Merge branch 'feature/scheduler' of github.com:taosdata/TDengine into feature/scheduler

include/libs/nodes/cmdnodes.h

@@ -199,6 +199,7 @@ typedef struct SIndexOptions {
 typedef struct SCreateIndexStmt {
   ENodeType type;
   EIndexType indexType;
+  bool ignoreExists;
   char indexName[TSDB_INDEX_NAME_LEN];
   char tableName[TSDB_TABLE_NAME_LEN];
   SNodeList* pCols;
@@ -207,6 +208,7 @@ typedef struct SCreateIndexStmt {
 
 typedef struct SDropIndexStmt {
   ENodeType type;
+  bool ignoreNotExists;
   char indexName[TSDB_INDEX_NAME_LEN];
   char tableName[TSDB_TABLE_NAME_LEN];
 } SDropIndexStmt;

source/common/src/tglobal.c

@@ -180,6 +180,10 @@ static int32_t taosSetTfsCfg(SConfig *pCfg) {
       memcpy(&tsDiskCfg[index], pCfg, sizeof(SDiskCfg));
       if (pCfg->level == 0 && pCfg->primary == 1) {
         tstrncpy(tsDataDir, pCfg->dir, PATH_MAX);
+        if (taosMkDir(tsDataDir) != 0) {
+          uError("failed to create dataDir:%s since %s", tsDataDir, terrstr());
+          return -1;
+        }
       }
       if (taosMkDir(pCfg->dir) != 0) {
         uError("failed to create tfsDir:%s since %s", tsDataDir, terrstr());

source/dnode/mgmt/bnode/src/bmWorker.c

@@ -77,7 +77,11 @@ int32_t bmStartWorker(SBnodeMgmt *pMgmt) {
     return -1;
   }
 
+  dDebug("bnode workers are initialized");
   return 0;
 }
 
-void bmStopWorker(SBnodeMgmt *pMgmt) { tMultiWorkerCleanup(&pMgmt->writeWorker); }
+void bmStopWorker(SBnodeMgmt *pMgmt) {
+  tMultiWorkerCleanup(&pMgmt->writeWorker);
+  dDebug("bnode workers are closed");
+}

source/dnode/mgmt/container/inc/dnd.h

@@ -19,7 +19,6 @@
 #include "os.h"
 
 #include "cJSON.h"
-#include "monitor.h"
 #include "tcache.h"
 #include "tcrc32c.h"
 #include "tdatablock.h"
@@ -36,8 +35,7 @@
 #include "tworker.h"
 
 #include "dnode.h"
-#include "tfs.h"
-#include "wal.h"
+#include "monitor.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -53,7 +51,6 @@ extern "C" {
 typedef enum { DNODE, VNODES, QNODE, SNODE, MNODE, BNODE, NODE_MAX } ENodeType;
 typedef enum { DND_STAT_INIT, DND_STAT_RUNNING, DND_STAT_STOPPED } EDndStatus;
 typedef enum { DND_ENV_INIT, DND_ENV_READY, DND_ENV_CLEANUP } EEnvStatus;
-typedef enum { DND_WORKER_SINGLE, DND_WORKER_MULTI } EWorkerType;
 typedef enum { PROC_SINGLE, PROC_CHILD, PROC_PARENT } EProcType;
 
 typedef struct SMgmtFp      SMgmtFp;
@@ -127,7 +124,6 @@ typedef struct SDnode {
   bool         dropped;
   EDndStatus   status;
   EDndEvent    event;
-  EProcType    procType;
   SStartupReq  startup;
   TdFilePtr    pLockFile;
   STransMgmt   trans;
@@ -136,9 +132,8 @@ typedef struct SDnode {
 
 EDndStatus dndGetStatus(SDnode *pDnode);
 void       dndSetStatus(SDnode *pDnode, EDndStatus stat);
-SMgmtWrapper *dndAcquireWrapper(SDnode *pDnode, ENodeType nodeType);
 void       dndSetMsgHandle(SMgmtWrapper *pWrapper, int32_t msgType, NodeMsgFp nodeMsgFp, int32_t vgId);
-void          dndReportStartup(SDnode *pDnode, char *pName, char *pDesc);
+void       dndReportStartup(SDnode *pDnode, const char *pName, const char *pDesc);
 void       dndSendMonitorReport(SDnode *pDnode);
 
 int32_t dndSendReqToMnode(SMgmtWrapper *pWrapper, SRpcMsg *pMsg);
@@ -146,10 +141,13 @@ int32_t dndSendReqToDnode(SMgmtWrapper *pWrapper, SEpSet *pEpSet, SRpcMsg *pMsg)
 void    dndSendRsp(SMgmtWrapper *pWrapper, SRpcMsg *pRsp);
 
 int32_t dndProcessNodeMsg(SDnode *pDnode, SNodeMsg *pMsg);
-
 int32_t dndReadFile(SMgmtWrapper *pWrapper, bool *pDeployed);
 int32_t dndWriteFile(SMgmtWrapper *pWrapper, bool deployed);
 
+SMgmtWrapper *dndAcquireWrapper(SDnode *pDnode, ENodeType nodeType);
+int32_t       dndMarkWrapper(SMgmtWrapper *pWrapper);
+void          dndReleaseWrapper(SMgmtWrapper *pWrapper);
+
 #ifdef __cplusplus
 }
 #endif

source/dnode/mgmt/container/inc/dndInt.h

@@ -34,7 +34,7 @@ int32_t     dndInit();
 void        dndCleanup();
 const char *dndStatStr(EDndStatus stat);
 void        dndGetStartup(SDnode *pDnode, SStartupReq *pStartup);
-TdFilePtr   dndCheckRunning(char *dataDir);
+TdFilePtr   dndCheckRunning(const char *dataDir);
 void        dndProcessStartupReq(SDnode *pDnode, SRpcMsg *pMsg);
 
 // dndMsg.c
@@ -50,10 +50,6 @@ SDnode *dndCreate(const SDnodeOpt *pOption);
 void    dndClose(SDnode *pDnode);
 void    dndHandleEvent(SDnode *pDnode, EDndEvent event);
 
-SMgmtWrapper *dndAcquireWrapper(SDnode *pDnode, ENodeType nodeType);
-int32_t       dndMarkWrapper(SMgmtWrapper *pWrapper);
-void          dndReleaseWrapper(SMgmtWrapper *pWrapper);
-
 // dndTransport.c
 int32_t dndInitServer(SDnode *pDnode);
 void    dndCleanupServer(SDnode *pDnode);

source/dnode/mgmt/container/src/dndExec.c

@@ -50,16 +50,23 @@ int32_t dndOpenNode(SMgmtWrapper *pWrapper) {
 }
 
 void dndCloseNode(SMgmtWrapper *pWrapper) {
+  dDebug("node:%s, start to close", pWrapper->name);
   taosWLockLatch(&pWrapper->latch);
   if (pWrapper->deployed) {
     (*pWrapper->fp.closeFp)(pWrapper);
     pWrapper->deployed = false;
   }
+  taosWUnLockLatch(&pWrapper->latch);
+
+  while (pWrapper->refCount > 0) {
+    taosMsleep(10);
+  }
+
   if (pWrapper->pProc) {
     taosProcCleanup(pWrapper->pProc);
     pWrapper->pProc = NULL;
   }
-  taosWUnLockLatch(&pWrapper->latch);
+  dDebug("node:%s, has been closed", pWrapper->name);
 }
 
 static int32_t dndRunInSingleProcess(SDnode *pDnode) {

source/dnode/mgmt/container/src/dndInt.c

@@ -15,11 +15,12 @@
 
 #define _DEFAULT_SOURCE
 #include "dndInt.h"
+#include "wal.h"
 
 static int8_t once = DND_ENV_INIT;
 
 int32_t dndInit() {
-  dDebug("start to init dnode env");
+  dInfo("start to init dnode env");
   if (atomic_val_compare_exchange_8(&once, DND_ENV_INIT, DND_ENV_READY) != DND_ENV_INIT) {
     terrno = TSDB_CODE_REPEAT_INIT;
     dError("failed to init dnode env since %s", terrstr());
@@ -52,7 +53,7 @@ int32_t dndInit() {
 }
 
 void dndCleanup() {
-  dDebug("start to cleanup dnode env");
+  dInfo("start to cleanup dnode env");
   if (atomic_val_compare_exchange_8(&once, DND_ENV_READY, DND_ENV_CLEANUP) != DND_ENV_READY) {
     dError("dnode env is already cleaned up");
     return;
@@ -92,7 +93,7 @@ const char *dndStatStr(EDndStatus status) {
   }
 }
 
-void dndReportStartup(SDnode *pDnode, char *pName, char *pDesc) {
+void dndReportStartup(SDnode *pDnode, const char *pName, const char *pDesc) {
   SStartupReq *pStartup = &pDnode->startup;
   tstrncpy(pStartup->name, pName, TSDB_STEP_NAME_LEN);
   tstrncpy(pStartup->desc, pDesc, TSDB_STEP_DESC_LEN);
@@ -104,21 +105,21 @@ void dndGetStartup(SDnode *pDnode, SStartupReq *pStartup) {
   pStartup->finished = (dndGetStatus(pDnode) == DND_STAT_RUNNING);
 }
 
-TdFilePtr dndCheckRunning(char *dataDir) {
+TdFilePtr dndCheckRunning(const char *dataDir) {
   char filepath[PATH_MAX] = {0};
   snprintf(filepath, sizeof(filepath), "%s/.running", dataDir);
 
   TdFilePtr pFile = taosOpenFile(filepath, TD_FILE_CTEATE | TD_FILE_WRITE | TD_FILE_TRUNC);
   if (pFile == NULL) {
     terrno = TAOS_SYSTEM_ERROR(errno);
-    dError("failed to lock file:%s since %s, quit", filepath, terrstr());
+    dError("failed to lock file:%s since %s", filepath, terrstr());
     return NULL;
   }
 
   int32_t ret = taosLockFile(pFile);
   if (ret != 0) {
     terrno = TAOS_SYSTEM_ERROR(errno);
-    dError("failed to lock file:%s since %s, quit", filepath, terrstr());
+    dError("failed to lock file:%s since %s", filepath, terrstr());
     taosCloseFile(&pFile);
     return NULL;
   }
@@ -129,12 +130,10 @@ TdFilePtr dndCheckRunning(char *dataDir) {
 
 void dndProcessStartupReq(SDnode *pDnode, SRpcMsg *pReq) {
   dDebug("startup req is received");
-
   SStartupReq *pStartup = rpcMallocCont(sizeof(SStartupReq));
   dndGetStartup(pDnode, pStartup);
 
   dDebug("startup req is sent, step:%s desc:%s finished:%d", pStartup->name, pStartup->desc, pStartup->finished);
-
   SRpcMsg rpcRsp = {
       .handle = pReq->handle, .pCont = pStartup, .contLen = sizeof(SStartupReq), .ahandle = pReq->ahandle};
   rpcSendResponse(&rpcRsp);

source/dnode/mgmt/container/src/dndMonitor.c

@@ -22,7 +22,12 @@ static int32_t dndGetMonitorDiskInfo(SDnode *pDnode, SMonDiskInfo *pInfo) {
   tstrncpy(pInfo->tempdir.name, tsTempDir, sizeof(pInfo->tempdir.name));
   pInfo->tempdir.size = tsTempSpace.size;
 
-  return vmMonitorTfsInfo(dndAcquireWrapper(pDnode, VNODES), pInfo);
+  SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, VNODES);
+  if (pWrapper != NULL) {
+    vmMonitorTfsInfo(pWrapper, pInfo);
+    dndReleaseWrapper(pWrapper);
+  }
+  return 0;
 }
 
 static void dndGetMonitorBasicInfo(SDnode *pDnode, SMonBasicInfo *pInfo) {
@@ -45,8 +50,17 @@ static void dndGetMonitorDnodeInfo(SDnode *pDnode, SMonDnodeInfo *pInfo) {
   taosGetCardInfo(&pInfo->net_in, &pInfo->net_out);
   taosGetProcIO(&pInfo->io_read, &pInfo->io_write, &pInfo->io_read_disk, &pInfo->io_write_disk);
 
-  vmMonitorVnodeReqs(dndAcquireWrapper(pDnode, VNODES), pInfo);
-  pInfo->has_mnode = (dndAcquireWrapper(pDnode, MNODE)->required);
+  SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, VNODES);
+  if (pWrapper != NULL) {
+    vmMonitorVnodeReqs(pWrapper, pInfo);
+    dndReleaseWrapper(pWrapper);
+  }
+
+  pWrapper = dndAcquireWrapper(pDnode, MNODE);
+  if (pWrapper != NULL) {
+    pInfo->has_mnode = pWrapper->required;
+    dndReleaseWrapper(pWrapper);
+  }
 }
 
 void dndSendMonitorReport(SDnode *pDnode) {
@@ -63,11 +77,16 @@ void dndSendMonitorReport(SDnode *pDnode) {
   SMonClusterInfo clusterInfo = {0};
   SMonVgroupInfo  vgroupInfo = {0};
   SMonGrantInfo   grantInfo = {0};
-  if (mmMonitorMnodeInfo(dndAcquireWrapper(pDnode, MNODE), &clusterInfo, &vgroupInfo, &grantInfo) == 0) {
+
+  SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, MNODE);
+  if (pWrapper != NULL) {
+    if (mmMonitorMnodeInfo(pWrapper, &clusterInfo, &vgroupInfo, &grantInfo) == 0) {
       monSetClusterInfo(pMonitor, &clusterInfo);
       monSetVgroupInfo(pMonitor, &vgroupInfo);
       monSetGrantInfo(pMonitor, &grantInfo);
     }
+    dndReleaseWrapper(pWrapper);
+  }
 
   SMonDnodeInfo dnodeInfo = {0};
   dndGetMonitorDnodeInfo(pDnode, &dnodeInfo);

source/dnode/mgmt/container/src/dndMsg.c

@@ -20,8 +20,8 @@ static void dndUpdateMnodeEpSet(SDnode *pDnode, SEpSet *pEpSet) {
   SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, DNODE);
   if (pWrapper != NULL) {
     dmUpdateMnodeEpSet(pWrapper->pMgmt, pEpSet);
-  }
     dndReleaseWrapper(pWrapper);
+  }
 }
 
 static inline NodeMsgFp dndGetMsgFp(SMgmtWrapper *pWrapper, SRpcMsg *pRpc) {

source/dnode/mgmt/container/src/dndObj.c

@@ -58,7 +58,7 @@ static void dndClearMemory(SDnode *pDnode) {
 SDnode *dndCreate(const SDnodeOpt *pOption) {
   dInfo("start to create dnode object");
   int32_t code = -1;
-  char    path[PATH_MAX];
+  char    path[PATH_MAX] = {0};
   SDnode *pDnode = NULL;
 
   pDnode = calloc(1, sizeof(SDnode));

source/dnode/mgmt/container/src/dndTransport.c

@@ -146,9 +146,14 @@ static void dndProcessRequest(void *param, SRpcMsg *pReq, SEpSet *pEpSet) {
 
 static void dndSendMsgToMnodeRecv(SDnode *pDnode, SRpcMsg *pRpcMsg, SRpcMsg *pRpcRsp) {
   STransMgmt *pMgmt = &pDnode->trans;
-
   SEpSet      epSet = {0};
-  dmGetMnodeEpSet(dndAcquireWrapper(pDnode, DNODE)->pMgmt, &epSet);
+
+  SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, DNODE);
+  if (pWrapper != NULL) {
+    dmGetMnodeEpSet(pWrapper->pMgmt, &epSet);
+    dndReleaseWrapper(pWrapper);
+  }
+
   rpcSendRecv(pMgmt->clientRpc, &epSet, pRpcMsg, pRpcRsp);
 }
 
@@ -182,10 +187,15 @@ static int32_t dndRetrieveUserAuthInfo(void *parent, char *user, char *spi, char
     return 0;
   }
 
-  if (mmGetUserAuth(dndAcquireWrapper(pDnode, MNODE), user, spi, encrypt, secret, ckey) == 0) {
+  SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, MNODE);
+  if (pWrapper != NULL) {
+    if (mmGetUserAuth(pWrapper, user, spi, encrypt, secret, ckey) == 0) {
+      dndReleaseWrapper(pWrapper);
       dTrace("user:%s, get auth from mnode, spi:%d encrypt:%d", user, *spi, *encrypt);
       return 0;
     }
+    dndReleaseWrapper(pWrapper);
+  }
 
   if (terrno != TSDB_CODE_APP_NOT_READY) {
     dTrace("failed to get user auth from mnode since %s", terrstr());
@@ -271,7 +281,7 @@ int32_t dndInitMsgHandle(SDnode *pDnode) {
       int32_t   vgId = pWrapper->msgVgIds[msgIndex];
       if (msgFp == NULL) continue;
 
-      dTrace("msg:%s will be processed by %s, vgId:%d", tMsgInfo[msgIndex], pWrapper->name, vgId);
+      // dTrace("msg:%s will be processed by %s, vgId:%d", tMsgInfo[msgIndex], pWrapper->name, vgId);
 
       SMsgHandle *pHandle = &pMgmt->msgHandles[msgIndex];
       if (vgId == QND_VGID) {
@@ -328,7 +338,12 @@ int32_t dndSendReqToMnode(SMgmtWrapper *pWrapper, SRpcMsg *pReq) {
     SDnode     *pDnode = pWrapper->pDnode;
     STransMgmt *pTrans = &pDnode->trans;
     SEpSet      epSet = {0};
-    dmGetMnodeEpSet(dndAcquireWrapper(pDnode, DNODE)->pMgmt, &epSet);
+
+    SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, DNODE);
+    if (pWrapper != NULL) {
+      dmGetMnodeEpSet(pWrapper->pMgmt, &epSet);
+      dndReleaseWrapper(pWrapper);
+    }
     return dndSendRpcReq(pTrans, &epSet, pReq);
   }
 }
@@ -336,7 +351,12 @@ int32_t dndSendReqToMnode(SMgmtWrapper *pWrapper, SRpcMsg *pReq) {
 void dndSendRpcRsp(SMgmtWrapper *pWrapper, SRpcMsg *pRsp) {
   if (pRsp->code == TSDB_CODE_APP_NOT_READY) {
     SMgmtWrapper *pDnodeWrapper = dndAcquireWrapper(pWrapper->pDnode, DNODE);
+    if (pDnodeWrapper != NULL) {
       dmSendRedirectRsp(pDnodeWrapper->pMgmt, pRsp);
+      dndReleaseWrapper(pDnodeWrapper);
+    } else {
+      rpcSendResponse(pRsp);
+    }
   } else {
     rpcSendResponse(pRsp);
   }

source/dnode/mgmt/dnode/src/dmFile.c

@@ -209,7 +209,7 @@ int32_t dmWriteFile(SDnodeMgmt *pMgmt) {
   }
 
   pMgmt->updateTime = taosGetTimestampMs();
-  dDebug("successed to write %s", file);
+  dDebug("successed to write %s", realfile);
   return 0;
 }
 

source/dnode/mgmt/dnode/src/dmInt.c

@@ -74,14 +74,14 @@ void dmSendRedirectRsp(SDnodeMgmt *pMgmt, SRpcMsg *pReq) {
 }
 
 static int32_t dmStart(SMgmtWrapper *pWrapper) {
-  dDebug("dnode mgmt start to run");
+  dDebug("dnode-mgmt start to run");
   return dmStartThread(pWrapper->pMgmt);
 }
 
 int32_t dmInit(SMgmtWrapper *pWrapper) {
   SDnode     *pDnode = pWrapper->pDnode;
   SDnodeMgmt *pMgmt = calloc(1, sizeof(SDnodeMgmt));
-  dInfo("dnode-mgmt is initialized");
+  dInfo("dnode-mgmt start to init");
 
   pDnode->dnodeId = 0;
   pDnode->dropped = 0;

source/dnode/mgmt/dnode/src/dmMsg.c

@@ -41,8 +41,12 @@ void dmSendStatusReq(SDnodeMgmt *pMgmt) {
   memcpy(req.clusterCfg.charset, tsCharset, TD_LOCALE_LEN);
   taosRUnLockLatch(&pMgmt->latch);
 
+  SMgmtWrapper *pWrapper = dndAcquireWrapper(pDnode, VNODES);
+  if (pWrapper != NULL) {
     req.pVloads = taosArrayInit(TSDB_MAX_VNODES, sizeof(SVnodeLoad));
-  vmMonitorVnodeLoads(dndAcquireWrapper(pDnode, VNODES), req.pVloads);
+    vmMonitorVnodeLoads(pWrapper, req.pVloads);
+    dndReleaseWrapper(pWrapper);
+  }
 
   int32_t contLen = tSerializeSStatusReq(NULL, 0, &req);
   void   *pHead = rpcMallocCont(contLen);

source/dnode/mgmt/dnode/src/dmWorker.c

@@ -114,6 +114,7 @@ int32_t dmStartWorker(SDnodeMgmt *pMgmt) {
     return -1;
   }
 
+  dDebug("dnode workers are initialized");
   return 0;
 }
 
@@ -136,6 +137,7 @@ void dmStopWorker(SDnodeMgmt *pMgmt) {
     taosDestoryThread(pMgmt->threadId);
     pMgmt->threadId = NULL;
   }
+  dDebug("dnode workers are closed");
 }
 
 int32_t dmProcessMgmtMsg(SDnodeMgmt *pMgmt, SNodeMsg *pMsg) {
@@ -144,6 +146,6 @@ int32_t dmProcessMgmtMsg(SDnodeMgmt *pMgmt, SNodeMsg *pMsg) {
     pWorker = &pMgmt->statusWorker;
   }
 
-  dTrace("msg:%p, will be written to worker %s", pMsg, pWorker->name);
+  dTrace("msg:%p, put into worker %s", pMsg, pWorker->name);
   return taosWriteQitem(pWorker->queue, pMsg);
 }

source/dnode/mgmt/mnode/src/mmInt.c

@@ -15,6 +15,7 @@
 
 #define _DEFAULT_SOURCE
 #include "mmInt.h"
+#include "wal.h"
 
 static bool mmDeployRequired(SDnode *pDnode) {
   if (pDnode->dnodeId > 0) return false;
@@ -226,7 +227,7 @@ static int32_t mmOpen(SMgmtWrapper *pWrapper) {
 }
 
 static int32_t mmStart(SMgmtWrapper *pWrapper) {
-  dDebug("mnode mgmt start to run");
+  dDebug("mnode-mgmt start to run");
   SMnodeMgmt *pMgmt = pWrapper->pMgmt;
   return mndStart(pMgmt->pMnode);
 }

source/dnode/mgmt/mnode/src/mmWorker.c

@@ -108,6 +108,7 @@ int32_t mmStartWorker(SMnodeMgmt *pMgmt) {
     return -1;
   }
 
+  dDebug("mnode workers are initialized");
   return 0;
 }
 
@@ -115,4 +116,5 @@ void mmStopWorker(SMnodeMgmt *pMgmt) {
   tSingleWorkerCleanup(&pMgmt->readWorker);
   tSingleWorkerCleanup(&pMgmt->writeWorker);
   tSingleWorkerCleanup(&pMgmt->syncWorker);
+  dDebug("mnode workers are closed");
 }

source/dnode/mgmt/qnode/src/qmWorker.c

@@ -132,10 +132,12 @@ int32_t qmStartWorker(SQnodeMgmt *pMgmt) {
     return -1;
   }
 
+  dDebug("qnode workers are initialized");
   return 0;
 }
 
 void qmStopWorker(SQnodeMgmt *pMgmt) {
   tSingleWorkerCleanup(&pMgmt->queryWorker);
   tSingleWorkerCleanup(&pMgmt->fetchWorker);
+  dDebug("qnode workers are closed");
 }

source/dnode/mgmt/snode/src/smWorker.c

@@ -80,6 +80,7 @@ int32_t smStartWorker(SSnodeMgmt *pMgmt) {
     return -1;
   }
 
+  dDebug("snode workers are initialized");
   return 0;
 }
 
@@ -90,6 +91,7 @@ void smStopWorker(SSnodeMgmt *pMgmt) {
   }
   taosArrayDestroy(pMgmt->uniqueWorkers);
   tSingleWorkerCleanup(&pMgmt->sharedWorker);
+  dDebug("snode workers are closed");
 }
 
 static FORCE_INLINE int32_t smGetSWIdFromMsg(SRpcMsg *pMsg) {

source/dnode/mgmt/vnode/src/vmInt.c

@@ -257,14 +257,14 @@ static void vmCleanup(SMgmtWrapper *pWrapper) {
   SVnodesMgmt *pMgmt = pWrapper->pMgmt;
   if (pMgmt == NULL) return;
 
-  dInfo("vnodes-mgmt start to cleanup");
+  dInfo("vnode-mgmt start to cleanup");
   vmCloseVnodes(pMgmt);
   vmStopWorker(pMgmt);
   vnodeCleanup();
   // walCleanUp();
   free(pMgmt);
   pWrapper->pMgmt = NULL;
-  dInfo("vnodes-mgmt is cleaned up");
+  dInfo("vnode-mgmt is cleaned up");
 }
 
 static int32_t vmInit(SMgmtWrapper *pWrapper) {
@@ -272,7 +272,7 @@ static int32_t vmInit(SMgmtWrapper *pWrapper) {
   SVnodesMgmt *pMgmt = calloc(1, sizeof(SVnodesMgmt));
   int32_t      code = -1;
 
-  dInfo("vnodes-mgmt start to init");
+  dInfo("vnode-mgmt start to init");
   if (pMgmt == NULL) goto _OVER;
 
   pMgmt->path = pWrapper->path;
@@ -312,7 +312,7 @@ static int32_t vmInit(SMgmtWrapper *pWrapper) {
   }
 
   if (vmOpenVnodes(pMgmt) != 0) {
-    dError("failed to open vnodes since %s", terrstr());
+    dError("failed to open vnode since %s", terrstr());
     return -1;
   }
 

source/dnode/mgmt/vnode/src/vmWorker.c

@@ -356,7 +356,7 @@ int32_t vmStartWorker(SVnodesMgmt *pMgmt) {
     return -1;
   }
 
-  dDebug("vnode workers is initialized");
+  dDebug("vnode workers are initialized");
   return 0;
 }
 
@@ -366,5 +366,5 @@ void vmStopWorker(SVnodesMgmt *pMgmt) {
   tQWorkerCleanup(&pMgmt->queryPool);
   tWWorkerCleanup(&pMgmt->writePool);
   tWWorkerCleanup(&pMgmt->syncPool);
-  dDebug("vnode workers is closed");
+  dDebug("vnode workers are closed");
 }

source/libs/function/CMakeLists.txt

 aux_source_directory(src FUNCTION_SRC)
+list(REMOVE_ITEM FUNCTION_SRC src/udfd.c)
 add_library(function STATIC ${FUNCTION_SRC})
 target_include_directories(
     function
-    PUBLIC "${CMAKE_SOURCE_DIR}/include/libs/function"
+    PUBLIC
+        "${CMAKE_SOURCE_DIR}/include/libs/function"
+        "${CMAKE_SOURCE_DIR}/contrib/libuv/include"
     PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
 )
 
 target_link_libraries(
     function
+    PUBLIC uv_a
     PRIVATE os util common nodes
 )
+
+add_executable(runUdf test/runUdf.c)
+target_include_directories(
+        runUdf
+        PUBLIC
+            "${CMAKE_SOURCE_DIR}/include/libs/function"
+            "${CMAKE_SOURCE_DIR}/contrib/libuv/include"
+        PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
+target_link_libraries(
+        runUdf
+        PUBLIC uv_a
+        PRIVATE os util common nodes function
+)
+
+add_library(udf1 MODULE test/udf1.c)
+target_include_directories(
+        udf1
+        PUBLIC
+            "${CMAKE_SOURCE_DIR}/include/libs/function"
+        PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
+
+#SET(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/build/bin)
+add_executable(udfd src/udfd.c)
+target_include_directories(
+        udfd
+        PUBLIC
+            "${CMAKE_SOURCE_DIR}/include/libs/function"
+            "${CMAKE_SOURCE_DIR}/contrib/libuv/include"
+        PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
+
+target_link_libraries(
+        udfd
+        PUBLIC uv_a
+        PRIVATE os util common nodes function
+)
+

source/libs/function/inc/tudf.h

@@ -20,68 +20,116 @@
 extern "C" {
 #endif
 
-#include "os.h"
-#include "taoserror.h"
+//======================================================================================
+//begin API to taosd and qworker
+/**
+ * start udf dameon service
+ * @return error code
+ */
+int32_t startUdfService();
+
+/**
+ * stop udf dameon service
+ * @return error code
+ */
+int32_t stopUdfService();
 
 enum {
-  TSDB_UDF_FUNC_NORMAL = 0,
-  TSDB_UDF_FUNC_INIT,
-  TSDB_UDF_FUNC_FINALIZE,
-  TSDB_UDF_FUNC_MERGE,
-  TSDB_UDF_FUNC_DESTROY,
-  TSDB_UDF_FUNC_MAX_NUM
+  TSDB_UDF_TYPE_SCALAR = 0,
+  TSDB_UDF_TYPE_AGGREGATE = 1
 };
 
-typedef struct SUdfInit {
-  int32_t  maybe_null; /* 1 if function can return NULL */
-  uint32_t decimals;   /* for real functions */
-  uint64_t length;     /* For string functions */
-  char*    ptr;        /* free pointer for function data */
-  int32_t  const_item; /* 0 if result is independent of arguments */
-
-  // script like lua/javascript
-  void* script_ctx;
-  void (*destroyCtxFunc)(void* script_ctx);
-} SUdfInit;
+enum {
+  TSDB_UDF_SCRIPT_BIN_LIB = 0,
+  TSDB_UDF_SCRIPT_LUA = 1,
+};
 
 typedef struct SUdfInfo {
-  int32_t functionId;                    // system assigned function id
-  int32_t funcType;                      // scalar function or aggregate function
+  char   *udfName;        // function name
+  int32_t udfType;    // scalar function or aggregate function
+  int8_t    scriptType;
+  char *path;
+
   int8_t  resType;     // result type
   int16_t resBytes;    // result byte
-  int32_t contLen;                       // content length
-  int32_t bufSize;                       // interbuf size
-  char*   name;                          // function name
-  void*   handle;                        // handle loaded in mem
-  void*   funcs[TSDB_UDF_FUNC_MAX_NUM];  // function ptr
-
-  // for script like lua/javascript only
-  int   isScript;
-  void* pScriptCtx;
-
-  SUdfInit init;
-  char*    content;
-  char*    path;
+  int32_t bufSize;     //interbuf size
+
 } SUdfInfo;
 
+typedef void *UdfHandle;
+
+/**
+ * setup udf
+ * @param udf, in
+ * @param handle, out
+ * @return error code
+ */
+int32_t setupUdf(SUdfInfo* udf, UdfHandle *handle);
+
+
+enum {
+  TSDB_UDF_STEP_NORMAL = 0,
+  TSDB_UDF_STEP_MERGE,
+  TSDb_UDF_STEP_FINALIZE,
+  TSDB_UDF_STEP_MAX_NUM
+};
+/**
+ * call udf
+ * @param handle udf handle
+ * @param step
+ * @param state
+ * @param stateSize
+ * @param input
+ * @param newstate
+ * @param newStateSize
+ * @param output
+ * @return error code
+ */
+
+//TODO: must change the following after metadata flow and data flow between qworker and udfd is well defined
+typedef struct SUdfDataBlock {
+  char* data;
+  int32_t size;
+} SUdfDataBlock;
+
+int32_t callUdf(UdfHandle handle, int8_t step, char *state, int32_t stateSize, SUdfDataBlock input, char **newstate,
+                int32_t *newStateSize, SUdfDataBlock *output);
+
+/**
+ * tearn down udf
+ * @param handle
+ * @return
+ */
+int32_t teardownUdf(UdfHandle handle);
+
+// end API to taosd and qworker
+//=============================================================================================================================
+// TODO: Must change
+// begin API to UDF writer.
+
 // script
 
-typedef int32_t (*scriptInitFunc)(void* pCtx);
-typedef void (*scriptNormalFunc)(void* pCtx, char* data, int16_t iType, int16_t iBytes, int32_t numOfRows,
-                                 int64_t* ptList, int64_t key, char* dataOutput, char* tsOutput, int32_t* numOfOutput,
-                                 int16_t oType, int16_t oBytes);
-typedef void (*scriptFinalizeFunc)(void* pCtx, int64_t key, char* dataOutput, int32_t* numOfOutput);
-typedef void (*scriptMergeFunc)(void* pCtx, char* data, int32_t numOfRows, char* dataOutput, int32_t* numOfOutput);
-typedef void (*scriptDestroyFunc)(void* pCtx);
+//typedef int32_t (*scriptInitFunc)(void* pCtx);
+//typedef void (*scriptNormalFunc)(void* pCtx, char* data, int16_t iType, int16_t iBytes, int32_t numOfRows,
+//                                 int64_t* ptList, int64_t key, char* dataOutput, char* tsOutput, int32_t* numOfOutput,
+//                                 int16_t oType, int16_t oBytes);
+//typedef void (*scriptFinalizeFunc)(void* pCtx, int64_t key, char* dataOutput, int32_t* numOfOutput);
+//typedef void (*scriptMergeFunc)(void* pCtx, char* data, int32_t numOfRows, char* dataOutput, int32_t* numOfOutput);
+//typedef void (*scriptDestroyFunc)(void* pCtx);
 
 // dynamic lib
-typedef void (*udfNormalFunc)(char* data, int16_t itype, int16_t iBytes, int32_t numOfRows, int64_t* ts,
-                              char* dataOutput, char* interBuf, char* tsOutput, int32_t* numOfOutput, int16_t oType,
-                              int16_t oBytes, SUdfInit* buf);
-typedef int32_t (*udfInitFunc)(SUdfInit* data);
-typedef void (*udfFinalizeFunc)(char* dataOutput, char* interBuf, int32_t* numOfOutput, SUdfInit* buf);
-typedef void (*udfMergeFunc)(char* data, int32_t numOfRows, char* dataOutput, int32_t* numOfOutput, SUdfInit* buf);
-typedef void (*udfDestroyFunc)(SUdfInit* buf);
+typedef int32_t (*TUdfInitFunc)();
+typedef void (*TUdfDestroyFunc)();
+
+typedef void (*TUdfFunc)(int8_t step,
+                         char *state, int32_t stateSize, SUdfDataBlock input,
+                         char **newstate, int32_t *newStateSize, SUdfDataBlock *output);
+
+//typedef void (*udfMergeFunc)(char *data, int32_t numOfRows, char *dataOutput, int32_t* numOfOutput);
+//typedef void (*udfFinalizeFunc)(char* state, int32_t stateSize, SUdfDataBlock *output);
+
+// end API to UDF writer
+//=======================================================================================================================
 
 #ifdef __cplusplus
 }

source/libs/function/inc/tudfInt.h

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TDENGINE_TUDF_INT_H
+#define TDENGINE_TUDF_INT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//TODO replaces them with fnDebug
+//#define debugPrint(...) taosPrintLog("Function", DEBUG_INFO,  135, __VA_ARGS__)
+#define debugPrint(...) {fprintf(stderr, __VA_ARGS__);fprintf(stderr, "\n");}
+enum {
+  UDF_TASK_SETUP = 0,
+  UDF_TASK_CALL = 1,
+  UDF_TASK_TEARDOWN = 2
+
+};
+
+typedef struct SUdfSetupRequest {
+  char udfName[16]; //
+  int8_t scriptType; // 0:c, 1: lua, 2:js
+  int8_t udfType; //udaf, udf
+  int16_t pathSize;
+  char *path;
+} SUdfSetupRequest;
+
+typedef struct SUdfSetupResponse {
+  int64_t udfHandle;
+} SUdfSetupResponse;
+
+
+typedef struct SUdfCallRequest {
+  int64_t udfHandle;
+  int8_t step;
+
+  int32_t inputBytes;
+  char *input;
+
+  int32_t stateBytes;
+  char *state;
+} SUdfCallRequest;
+
+
+typedef struct SUdfCallResponse {
+  int32_t outputBytes;
+  char *output;
+  int32_t newStateBytes;
+  char *newState;
+} SUdfCallResponse;
+
+
+typedef struct SUdfTeardownRequest {
+  int64_t udfHandle;
+} SUdfTeardownRequest;
+
+
+typedef struct SUdfTeardownResponse {
+} SUdfTeardownResponse;
+
+typedef struct SUdfRequest {
+  int32_t msgLen;
+  int64_t seqNum;
+
+  int8_t type;
+  void *subReq;
+} SUdfRequest;
+
+typedef struct SUdfResponse {
+  int32_t msgLen;
+  int64_t seqNum;
+
+  int8_t type;
+  int32_t code;
+  void *subRsp;
+} SUdfResponse;
+
+int32_t decodeRequest(char *buf, int32_t bufLen, SUdfRequest **pRequest);
+int32_t encodeResponse(char **buf, int32_t *bufLen, SUdfResponse *response);
+int32_t encodeRequest(char **buf, int32_t *bufLen, SUdfRequest *request);
+int32_t decodeResponse(char *buf, int32_t bufLen, SUdfResponse **pResponse);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // TDENGINE_TUDF_INT_H

source/libs/function/inc/udfc.h

+//
+// Created by shenglian on 28/02/22.
+//
+
+#ifndef UDF_UDF_H
+#define UDF_UDF_H
+
+#include <stdlib.h>
+#define DEBUG
+#ifdef DEBUG
+#define debugPrint(...) fprintf(__VA_ARGS__)
+#else
+#define debugPrint(...) /**/
+#endif
+
+enum {
+    UDF_TASK_SETUP = 0,
+    UDF_TASK_CALL = 1,
+    UDF_TASK_TEARDOWN = 2
+
+};
+
+typedef struct SSDataBlock{
+    char *data;
+    int32_t size;
+} SSDataBlock;
+
+typedef struct SUdfInfo {
+    char *udfName;
+    char *path;
+} SUdfInfo;
+
+typedef void *UdfHandle;
+
+int32_t startUdfService();
+
+int32_t stopUdfService();
+
+//int32_t setupUdf(SUdfInfo *udf, int32_t numOfUdfs, UdfHandle *handles);
+
+int32_t setupUdf(SUdfInfo* udf, UdfHandle* handle);
+
+int32_t callUdf(UdfHandle handle, int8_t step, char *state, int32_t stateSize, SSDataBlock input, char **newstate,
+                int32_t *newStateSize, SSDataBlock *output);
+
+int32_t teardownUdf(UdfHandle handle);
+
+typedef struct SUdfSetupRequest {
+    char udfName[16]; //
+    int8_t scriptType; // 0:c, 1: lua, 2:js
+    int8_t udfType; //udaf, udf, udtf
+    int16_t pathSize;
+    char *path;
+} SUdfSetupRequest;
+
+typedef struct SUdfSetupResponse {
+    int64_t udfHandle;
+} SUdfSetupResponse;
+
+
+typedef struct SUdfCallRequest {
+    int64_t udfHandle;
+    int8_t step;
+
+    int32_t inputBytes;
+    char *input;
+
+    int32_t stateBytes;
+    char *state;
+} SUdfCallRequest;
+
+
+typedef struct SUdfCallResponse {
+    int32_t outputBytes;
+    char *output;
+    int32_t newStateBytes;
+    char *newState;
+} SUdfCallResponse;
+
+
+typedef struct SUdfTeardownRequest {
+    int64_t udfHandle;
+} SUdfTeardownRequest;
+
+
+typedef struct SUdfTeardownResponse {
+} SUdfTeardownResponse;
+
+typedef struct SUdfRequest {
+    int32_t msgLen;
+    int64_t seqNum;
+
+    int8_t type;
+    void *subReq;
+} SUdfRequest;
+
+typedef struct SUdfResponse {
+    int32_t msgLen;
+    int64_t seqNum;
+
+    int8_t type;
+    int32_t code;
+    void *subRsp;
+} SUdfResponse;
+
+int32_t decodeRequest(char *buf, int32_t bufLen, SUdfRequest **pRequest);
+int32_t encodeResponse(char **buf, int32_t *bufLen, SUdfResponse *response);
+int32_t encodeRequest(char **buf, int32_t *bufLen, SUdfRequest *request);
+int32_t decodeResponse(char *buf, int32_t bufLen, SUdfResponse **pResponse);
+#endif //UDF_UDF_H

source/libs/function/src/tudf.c

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "uv.h"
+#include "os.h"
+#include "tlog.h"
 #include "tudf.h"
+#include "tudfInt.h"
 
-static char* getUdfFuncName(char* funcname, char* name, int type) {
-  switch (type) {
-    case TSDB_UDF_FUNC_NORMAL:
-      strcpy(funcname, name);
+//TODO: when startup, set thread poll size. add it to cfg 
+//TODO: udfd restart when exist or aborts
+//TODO: network error processing.
+//TODO: add unit test
+//TODO: add lua support
+void onUdfcRead(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf);
+
+enum {
+  UV_TASK_CONNECT = 0,
+  UV_TASK_REQ_RSP = 1,
+  UV_TASK_DISCONNECT = 2
+};
+
+typedef struct SUdfUvSession {
+  int64_t severHandle;
+  uv_pipe_t *udfSvcPipe;
+} SUdfUvSession;
+
+typedef struct SClientUvTaskNode {
+  int8_t type;
+  int errCode;
+
+  uv_pipe_t *pipe;
+
+  int64_t seqNum;
+  uv_buf_t reqBuf;
+
+  uv_sem_t taskSem;
+  uv_buf_t rspBuf;
+
+  struct SClientUvTaskNode *prev;
+  struct SClientUvTaskNode *next;
+} SClientUvTaskNode;
+
+typedef struct SClientUdfTask {
+  int8_t type;
+
+  SUdfUvSession *session;
+
+  int32_t errCode;
+
+  union {
+    struct {
+      SUdfSetupRequest req;
+      SUdfSetupResponse rsp;
+    } _setup;
+    struct {
+      SUdfCallRequest req;
+      SUdfCallResponse rsp;
+    } _call;
+    struct {
+      SUdfTeardownRequest req;
+      SUdfTeardownResponse rsp;
+    } _teardown;
+  };
+
+
+} SClientUdfTask;
+
+typedef struct SClientConnBuf {
+  char *buf;
+  int32_t len;
+  int32_t cap;
+  int32_t total;
+} SClientConnBuf;
+
+typedef struct SClientUvConn {
+  uv_pipe_t *pipe;
+  SClientUvTaskNode taskQueue;
+  SClientConnBuf readBuf;
+} SClientUvConn;
+
+uv_process_t gUdfdProcess;
+
+uv_barrier_t gUdfInitBarrier;
+
+uv_loop_t gUdfdLoop;
+uv_thread_t gUdfLoopThread;
+uv_async_t gUdfLoopTaskAync;
+
+uv_async_t gUdfLoopStopAsync;
+
+uv_mutex_t gUdfTaskQueueMutex;
+int64_t gUdfTaskSeqNum = 0;
+
+//double circular linked list
+typedef SClientUvTaskNode *SClientUvTaskQueue;
+SClientUvTaskNode gUdfQueueNode;
+SClientUvTaskQueue gUdfTaskQueue = &gUdfQueueNode;
+
+//add SClientUvTaskNode task that close conn
+
+
+
+void udfTaskQueueInit(SClientUvTaskQueue q) {
+  q->next = q;
+  q->prev = q;
+}
+
+bool udfTaskQueueIsEmpty(SClientUvTaskQueue q) {
+  return q == q->next;
+}
+
+void udfTaskQueueInsertTail(SClientUvTaskQueue q, SClientUvTaskNode *e) {
+  e->next = q;
+  e->prev = q->prev;
+  e->prev->next = e;
+  q->prev = e;
+}
+
+void udfTaskQueueInsertTaskAtHead(SClientUvTaskQueue q, SClientUvTaskNode *e) {
+  e->next = q->next;
+  e->prev = q;
+  q->next->prev = e;
+  q->next = e;
+}
+
+void udfTaskQueueRemoveTask(SClientUvTaskNode *e) {
+  e->prev->next = e->next;
+  e->next->prev = e->prev;
+}
+
+void udfTaskQueueSplit(SClientUvTaskQueue q, SClientUvTaskNode *from, SClientUvTaskQueue n) {
+  n->prev = q->prev;
+  n->prev->next = n;
+  n->next = from;
+  q->prev = from->prev;
+  q->prev->next = q;
+  from->prev = n;
+}
+
+SClientUvTaskNode *udfTaskQueueHeadTask(SClientUvTaskQueue q) {
+  return q->next;
+}
+
+SClientUvTaskNode *udfTaskQueueTailTask(SClientUvTaskQueue q) {
+  return q->prev;
+}
+
+SClientUvTaskNode *udfTaskQueueNext(SClientUvTaskNode *e) {
+  return e->next;
+}
+
+void udfTaskQueueMove(SClientUvTaskQueue q, SClientUvTaskQueue n) {
+  if (udfTaskQueueIsEmpty(q)) {
+    udfTaskQueueInit(n);
+  } else {
+    SClientUvTaskNode *h = udfTaskQueueHeadTask(q);
+    udfTaskQueueSplit(q, h, n);
+  }
+}
+
+
+int32_t encodeRequest(char **pBuf, int32_t *pBufLen, SUdfRequest *request) {
+  debugPrint("%s", "encoding request");
+
+  int len = sizeof(SUdfRequest) - sizeof(void *);
+  switch (request->type) {
+    case UDF_TASK_SETUP: {
+      SUdfSetupRequest *setup = (SUdfSetupRequest *) (request->subReq);
+      len += sizeof(SUdfSetupRequest) - 1 * sizeof(char *) + setup->pathSize;
       break;
-    case TSDB_UDF_FUNC_INIT:
-      sprintf(funcname, "%s_init", name);
+    }
+    case UDF_TASK_CALL: {
+      SUdfCallRequest *call = (SUdfCallRequest *) (request->subReq);
+      len += sizeof(SUdfCallRequest) - 2 * sizeof(char *) + call->inputBytes + call->stateBytes;
       break;
-    case TSDB_UDF_FUNC_FINALIZE:
-      sprintf(funcname, "%s_finalize", name);
+    }
+    case UDF_TASK_TEARDOWN: {
+      SUdfTeardownRequest *teardown = (SUdfTeardownRequest *) (request->subReq);
+      len += sizeof(SUdfTeardownRequest);
       break;
-    case TSDB_UDF_FUNC_MERGE:
-      sprintf(funcname, "%s_merge", name);
+    }
+    default:
       break;
-    case TSDB_UDF_FUNC_DESTROY:
-      sprintf(funcname, "%s_destroy", name);
+  }
+
+  char *bufBegin = malloc(len);
+  char *buf = bufBegin;
+
+  //skip msgLen first
+  buf += sizeof(int32_t);
+
+  *(int64_t *) buf = request->seqNum;
+  buf += sizeof(int64_t);
+  *(int8_t *) buf = request->type;
+  buf += sizeof(int8_t);
+
+  switch (request->type) {
+    case UDF_TASK_SETUP: {
+      SUdfSetupRequest *setup = (SUdfSetupRequest *) (request->subReq);
+      memcpy(buf, setup->udfName, 16);
+      buf += 16;
+      *(int8_t *) buf = setup->scriptType;
+      buf += sizeof(int8_t);
+      *(int8_t *) buf = setup->udfType;
+      buf += sizeof(int8_t);
+      *(int16_t *) buf = setup->pathSize;
+      buf += sizeof(int16_t);
+      memcpy(buf, setup->path, setup->pathSize);
+      buf += setup->pathSize;
       break;
+    }
+
+    case UDF_TASK_CALL: {
+      SUdfCallRequest *call = (SUdfCallRequest *) (request->subReq);
+      *(int64_t *) buf = call->udfHandle;
+      buf += sizeof(int64_t);
+      *(int8_t *) buf = call->step;
+      buf += sizeof(int8_t);
+      *(int32_t *) buf = call->inputBytes;
+      buf += sizeof(int32_t);
+      memcpy(buf, call->input, call->inputBytes);
+      buf += call->inputBytes;
+      *(int32_t *) buf = call->stateBytes;
+      buf += sizeof(int32_t);
+      memcpy(buf, call->state, call->stateBytes);
+      buf += call->stateBytes;
+      break;
+    }
+
+    case UDF_TASK_TEARDOWN: {
+      SUdfTeardownRequest *teardown = (SUdfTeardownRequest *) (request->subReq);
+      *(int64_t *) buf = teardown->udfHandle;
+      buf += sizeof(int64_t);
+      break;
+    }
     default:
-      assert(0);
       break;
   }
 
-  return funcname;
+  request->msgLen = buf - bufBegin;
+  *(int32_t *) bufBegin = request->msgLen;
+  *pBuf = bufBegin;
+  *pBufLen = request->msgLen;
+  return 0;
 }
 
-#if 0
-int32_t initUdfInfo(SUdfInfo* pUdfInfo) {
-  if (pUdfInfo == NULL) {
-    return TSDB_CODE_SUCCESS;
+int32_t decodeRequest(char *bufMsg, int32_t bufLen, SUdfRequest **pRequest) {
+  debugPrint("%s", "decoding request");
+  if (*(int32_t *) bufMsg != bufLen) {
+    debugPrint("%s", "decoding request error");
+    return -1;
   }
-  ////qError("script len: %d", pUdfInfo->contLen);
-  if (isValidScript(pUdfInfo->content, pUdfInfo->contLen)) {
-    pUdfInfo->isScript   = 1;
-    pUdfInfo->pScriptCtx = createScriptCtx(pUdfInfo->content, pUdfInfo->resType, pUdfInfo->resBytes);
-    if (pUdfInfo->pScriptCtx == NULL) {
-      return TSDB_CODE_QRY_SYS_ERROR;
+  char *buf = bufMsg;
+  SUdfRequest *request = malloc(sizeof(SUdfRequest));
+  request->subReq = NULL;
+  request->msgLen = *(int32_t *) (buf);
+  buf += sizeof(int32_t);
+  request->seqNum = *(int64_t *) (buf);
+  buf += sizeof(int64_t);
+  request->type = *(int8_t *) (buf);
+  buf += sizeof(int8_t);
+
+  switch (request->type) {
+    case UDF_TASK_SETUP: {
+      SUdfSetupRequest *setup = malloc(sizeof(SUdfSetupRequest));
+
+      memcpy(setup->udfName, buf, 16);
+      buf += 16;
+      setup->scriptType = *(int8_t *) buf;
+      buf += sizeof(int8_t);
+      setup->udfType = *(int8_t *) buf;
+      buf += sizeof(int8_t);
+      setup->pathSize = *(int16_t *) buf;
+      buf += sizeof(int16_t);
+      setup->path = buf;
+      buf += setup->pathSize;
+
+      request->subReq = setup;
+      break;
     }
-    tfree(pUdfInfo->content);
-
-    pUdfInfo->funcs[TSDB_UDF_FUNC_INIT] = taosLoadScriptInit;
-    if (pUdfInfo->funcs[TSDB_UDF_FUNC_INIT] == NULL
-        || (*(scriptInitFunc)pUdfInfo->funcs[TSDB_UDF_FUNC_INIT])(pUdfInfo->pScriptCtx) != TSDB_CODE_SUCCESS) {
-      return TSDB_CODE_QRY_SYS_ERROR;
+    case UDF_TASK_CALL: {
+      SUdfCallRequest *call = malloc(sizeof(SUdfCallRequest));
+
+      call->udfHandle = *(int64_t *) buf;
+      buf += sizeof(int64_t);
+      call->step = *(int8_t *) buf;
+      buf += sizeof(int8_t);
+      call->inputBytes = *(int32_t *) buf;
+      buf += sizeof(int32_t);
+      call->input = buf;
+      buf += call->inputBytes;
+      call->stateBytes = *(int32_t *) buf;
+      buf += sizeof(int32_t);
+      call->state = buf;
+      buf += call->stateBytes;
+
+      request->subReq = call;
+      break;
     }
 
-    pUdfInfo->funcs[TSDB_UDF_FUNC_NORMAL] = taosLoadScriptNormal;
+    case UDF_TASK_TEARDOWN: {
+      SUdfTeardownRequest *teardown = malloc(sizeof(SUdfTeardownRequest));
+
+      teardown->udfHandle = *(int64_t *) buf;
+      buf += sizeof(int64_t);
 
-    if (pUdfInfo->funcType == FUNCTION_TYPE_AGG) {
-      pUdfInfo->funcs[TSDB_UDF_FUNC_FINALIZE] =  taosLoadScriptFinalize;
-      pUdfInfo->funcs[TSDB_UDF_FUNC_MERGE]    =  taosLoadScriptMerge;
+      request->subReq = teardown;
     }
-    pUdfInfo->funcs[TSDB_UDF_FUNC_DESTROY] = taosLoadScriptDestroy;
 
-  } else {
-    char path[PATH_MAX] = {0};
-    taosGetTmpfilePath("script", path, tsTempDir);
+  }
+  if (buf - bufMsg != bufLen) {
+    debugPrint("%s", "decode request error");
+    free(request->subReq);
+    free(request);
+    return -1;
+  }
+  *pRequest = request;
+  return 0;
+}
 
-    FILE* file = fopen(path, "w+");
+int32_t encodeResponse(char **pBuf, int32_t *pBufLen, SUdfResponse *response) {
+  debugPrint("%s", "encoding response");
 
-    // TODO check for failure of flush to disk
-    /*size_t t = */ fwrite(pUdfInfo->content, pUdfInfo->contLen, 1, file);
-    fclose(file);
-    tfree(pUdfInfo->content);
+  int32_t len = sizeof(SUdfResponse) - sizeof(void *);
 
-    pUdfInfo->path = strdup(path);
+  switch (response->type) {
+    case UDF_TASK_SETUP: {
+      len += sizeof(SUdfSetupResponse);
+      break;
+    }
+    case UDF_TASK_CALL: {
+      SUdfCallResponse *callResp = (SUdfCallResponse *) (response->subRsp);
+      len += sizeof(SUdfCallResponse) - 2 * sizeof(char *) +
+             callResp->outputBytes + callResp->newStateBytes;
+      break;
+    }
+    case UDF_TASK_TEARDOWN: {
+      len += sizeof(SUdfTeardownResponse);
+      break;
+    }
+  }
 
-    pUdfInfo->handle = taosLoadDll(path);
+  char *bufBegin = malloc(len);
+  char *buf = bufBegin;
 
-    if (NULL == pUdfInfo->handle) {
-      return TSDB_CODE_QRY_SYS_ERROR;
-    }
+  //skip msgLen
+  buf += sizeof(int32_t);
 
-    char funcname[FUNCTIONS_NAME_MAX_LENGTH + 10] = {0};
-    pUdfInfo->funcs[TSDB_UDF_FUNC_NORMAL] = taosLoadSym(pUdfInfo->handle, getUdfFuncName(funcname, pUdfInfo->name, TSDB_UDF_FUNC_NORMAL));
-    if (NULL == pUdfInfo->funcs[TSDB_UDF_FUNC_NORMAL]) {
-      return TSDB_CODE_QRY_SYS_ERROR;
+  *(int64_t *) buf = response->seqNum;
+  buf += sizeof(int64_t);
+  *(int8_t *) buf = response->type;
+  buf += sizeof(int8_t);
+  *(int32_t *) buf = response->code;
+  buf += sizeof(int32_t);
+
+
+  switch (response->type) {
+    case UDF_TASK_SETUP: {
+      SUdfSetupResponse *setupResp = (SUdfSetupResponse *) (response->subRsp);
+      *(int64_t *) buf = setupResp->udfHandle;
+      buf += sizeof(int64_t);
+      break;
+    }
+    case UDF_TASK_CALL: {
+      SUdfCallResponse *callResp = (SUdfCallResponse *) (response->subRsp);
+      *(int32_t *) buf = callResp->outputBytes;
+      buf += sizeof(int32_t);
+      memcpy(buf, callResp->output, callResp->outputBytes);
+      buf += callResp->outputBytes;
+
+      *(int32_t *) buf = callResp->newStateBytes;
+      buf += sizeof(int32_t);
+      memcpy(buf, callResp->newState, callResp->newStateBytes);
+      buf += callResp->newStateBytes;
+      break;
+    }
+    case UDF_TASK_TEARDOWN: {
+      SUdfTeardownResponse *teardownResp = (SUdfTeardownResponse *) (response->subRsp);
+      break;
+    }
+    default:
+      break;
   }
+  response->msgLen = buf - bufBegin;
+  *(int32_t *) bufBegin = response->msgLen;
+  *pBuf = bufBegin;
+  *pBufLen = response->msgLen;
+  return 0;
+}
 
-    pUdfInfo->funcs[TSDB_UDF_FUNC_INIT] = taosLoadSym(pUdfInfo->handle, getUdfFuncName(funcname, pUdfInfo->name, TSDB_UDF_FUNC_INIT));
+int32_t decodeResponse(char *bufMsg, int32_t bufLen, SUdfResponse **pResponse) {
+  debugPrint("%s", "decoding response");
 
-    if (pUdfInfo->funcType == FUNCTION_TYPE_AGG) {
-      pUdfInfo->funcs[TSDB_UDF_FUNC_FINALIZE] = taosLoadSym(pUdfInfo->handle, getUdfFuncName(funcname, pUdfInfo->name, TSDB_UDF_FUNC_FINALIZE));
-      pUdfInfo->funcs[TSDB_UDF_FUNC_MERGE] = taosLoadSym(pUdfInfo->handle, getUdfFuncName(funcname, pUdfInfo->name, TSDB_UDF_FUNC_MERGE));
+  if (*(int32_t *) bufMsg != bufLen) {
+    debugPrint("%s", "can not decode response");
+    return -1;
+  }
+  char *buf = bufMsg;
+  SUdfResponse *rsp = malloc(sizeof(SUdfResponse));
+  rsp->msgLen = *(int32_t *) buf;
+  buf += sizeof(int32_t);
+  rsp->seqNum = *(int64_t *) buf;
+  buf += sizeof(int64_t);
+  rsp->type = *(int8_t *) buf;
+  buf += sizeof(int8_t);
+  rsp->code = *(int32_t *) buf;
+  buf += sizeof(int32_t);
+
+  switch (rsp->type) {
+    case UDF_TASK_SETUP: {
+      SUdfSetupResponse *setupRsp = (SUdfSetupResponse *) malloc(sizeof(SUdfSetupResponse));
+      setupRsp->udfHandle = *(int64_t *) buf;
+      buf += sizeof(int64_t);
+      rsp->subRsp = (char *) setupRsp;
+      break;
     }
+    case UDF_TASK_CALL: {
+      SUdfCallResponse *callRsp = (SUdfCallResponse *) malloc(sizeof(SUdfCallResponse));
+      callRsp->outputBytes = *(int32_t *) buf;
+      buf += sizeof(int32_t);
+
+      callRsp->output = buf;
+      buf += callRsp->outputBytes;
+
+      callRsp->newStateBytes = *(int32_t *) buf;
+      buf += sizeof(int32_t);
 
-    pUdfInfo->funcs[TSDB_UDF_FUNC_DESTROY] = taosLoadSym(pUdfInfo->handle, getUdfFuncName(funcname, pUdfInfo->name, TSDB_UDF_FUNC_DESTROY));
+      callRsp->newState = buf;
+      buf += callRsp->newStateBytes;
 
-    if (pUdfInfo->funcs[TSDB_UDF_FUNC_INIT]) {
-      return (*(udfInitFunc)pUdfInfo->funcs[TSDB_UDF_FUNC_INIT])(&pUdfInfo->init);
+      rsp->subRsp = callRsp;
+      break;
+    }
+    case UDF_TASK_TEARDOWN: {
+      SUdfTeardownResponse *teardownRsp = (SUdfTeardownResponse *) malloc(sizeof(SUdfTeardownResponse));
+      rsp->subRsp = teardownRsp;
+      break;
+    }
+    default:
+      break;
   }
+  if (buf - bufMsg != bufLen) {
+    debugPrint("%s", "can not decode response");
+    free(rsp->subRsp);
+    free(rsp);
+    return -1;
   }
+  *pResponse = rsp;
+  return 0;
+}
 
-  return TSDB_CODE_SUCCESS;
+void onUdfdExit(uv_process_t *req, int64_t exit_status, int term_signal) {
+  debugPrint("Process exited with status %" PRId64 ", signal %d", exit_status, term_signal);
+  uv_close((uv_handle_t *) req, NULL);
+  //TODO: restart the udfd process
 }
 
-void destroyUdfInfo(SUdfInfo* pUdfInfo) {
-  if (pUdfInfo == NULL) {
-    return;
+void onUdfcPipeClose(uv_handle_t *handle) {
+  SClientUvConn *conn = handle->data;
+  if (!udfTaskQueueIsEmpty(&conn->taskQueue)) {
+    SClientUvTaskNode *task = udfTaskQueueHeadTask(&conn->taskQueue);
+    task->errCode = 0;
+    uv_sem_post(&task->taskSem);
   }
 
-  if (pUdfInfo->funcs[TSDB_UDF_FUNC_DESTROY]) {
-    if (pUdfInfo->isScript) {
-      (*(scriptDestroyFunc)pUdfInfo->funcs[TSDB_UDF_FUNC_DESTROY])(pUdfInfo->pScriptCtx);
-      tfree(pUdfInfo->content);
-    }else{
-      (*(udfDestroyFunc)pUdfInfo->funcs[TSDB_UDF_FUNC_DESTROY])(&pUdfInfo->init);
+  free(conn->readBuf.buf);
+  free(conn);
+  free((uv_pipe_t *) handle);
+
+}
+
+int32_t udfcGetUvTaskResponseResult(SClientUdfTask *task, SClientUvTaskNode *uvTask) {
+  debugPrint("%s", "get uv task result");
+  if (uvTask->type == UV_TASK_REQ_RSP) {
+    if (uvTask->rspBuf.base != NULL) {
+      SUdfResponse *rsp;
+      decodeResponse(uvTask->rspBuf.base, uvTask->rspBuf.len, &rsp);
+      task->errCode = rsp->code;
+
+      switch (task->type) {
+        case UDF_TASK_SETUP: {
+          //TODO: copy or not
+          task->_setup.rsp = *(SUdfSetupResponse *) (rsp->subRsp);
+          break;
+        }
+        case UDF_TASK_CALL: {
+          task->_call.rsp = *(SUdfCallResponse *) (rsp->subRsp);
+          //TODO: copy or not
+          break;
+        }
+        case UDF_TASK_TEARDOWN: {
+          task->_teardown.rsp = *(SUdfTeardownResponse *) (rsp->subRsp);
+          //TODO: copy or not?
+          break;
+        }
+        default: {
+          break;
         }
       }
 
-  tfree(pUdfInfo->name);
+      // TODO: the call buffer is setup and freed by udf invocation
+      free(uvTask->rspBuf.base);
+      free(rsp->subRsp);
+      free(rsp);
+    } else {
+      task->errCode = uvTask->errCode;
+    }
+  } else if (uvTask->type == UV_TASK_CONNECT) {
+    task->errCode = uvTask->errCode;
+  } else if (uvTask->type == UV_TASK_DISCONNECT) {
+    task->errCode = uvTask->errCode;
+  }
+  return 0;
+}
 
-  if (pUdfInfo->path) {
-    unlink(pUdfInfo->path);
+void udfcAllocateBuffer(uv_handle_t *handle, size_t suggestedSize, uv_buf_t *buf) {
+  debugPrint("%s", "client allocate buffer to receive from pipe");
+  SClientUvConn *conn = handle->data;
+  SClientConnBuf *connBuf = &conn->readBuf;
+
+  int32_t msgHeadSize = sizeof(int32_t) + sizeof(int64_t);
+  if (connBuf->cap == 0) {
+    connBuf->buf = malloc(msgHeadSize);
+    if (connBuf->buf) {
+      connBuf->len = 0;
+      connBuf->cap = msgHeadSize;
+      connBuf->total = -1;
+
+      buf->base = connBuf->buf;
+      buf->len = connBuf->cap;
+    } else {
+      //TODO: log error
+      buf->base = NULL;
+      buf->len = 0;
+    }
+  } else {
+    connBuf->cap = connBuf->total > connBuf->cap ? connBuf->total : connBuf->cap;
+    void *resultBuf = realloc(connBuf->buf, connBuf->cap);
+    if (resultBuf) {
+      connBuf->buf = resultBuf;
+      buf->base = connBuf->buf + connBuf->len;
+      buf->len = connBuf->cap - connBuf->len;
+    } else {
+      //TODO: log error free connBuf->buf
+      buf->base = NULL;
+      buf->len = 0;
+    }
   }
 
-  tfree(pUdfInfo->path);
-  tfree(pUdfInfo->content);
-  taosCloseDll(pUdfInfo->handle);
-  tfree(pUdfInfo);
+  debugPrint("\tconn buf cap - len - total : %d - %d - %d", connBuf->cap, connBuf->len, connBuf->total);
+
+}
+
+bool isUdfcUvMsgComplete(SClientConnBuf *connBuf) {
+  if (connBuf->total == -1 && connBuf->len >= sizeof(int32_t)) {
+    connBuf->total = *(int32_t *) (connBuf->buf);
+  }
+  if (connBuf->len == connBuf->cap && connBuf->total == connBuf->cap) {
+    return true;
+  }
+  return false;
 }
 
-void doInvokeUdf(struct SUdfInfo* pUdfInfo, SqlFunctionCtx *pCtx, int32_t idx, int32_t type) {
-  int32_t output = 0;
+void udfcUvHandleRsp(SClientUvConn *conn) {
+  SClientConnBuf *connBuf = &conn->readBuf;
+  int64_t seqNum = *(int64_t *) (connBuf->buf + sizeof(int32_t)); // msglen int32_t then seqnum
 
-  if (pUdfInfo == NULL || pUdfInfo->funcs[type] == NULL) {
-    //qError("empty udf function, type:%d", type);
+  if (udfTaskQueueIsEmpty(&conn->taskQueue)) {
+    //LOG error
     return;
   }
+  bool found = false;
+  SClientUvTaskNode *taskFound = NULL;
+  SClientUvTaskNode *task = udfTaskQueueNext(&conn->taskQueue);
+  while (task != &conn->taskQueue) {
+    if (task->seqNum == seqNum) {
+      if (found == false) {
+        found = true;
+        taskFound = task;
+      } else {
+        //LOG error;
+        continue;
+      }
+    }
+    task = udfTaskQueueNext(task);
+  }
 
-//  //qDebug("invoke udf function:%s,%p", pUdfInfo->name, pUdfInfo->funcs[type]);
-
-  switch (type) {
-    case TSDB_UDF_FUNC_NORMAL:
-      if (pUdfInfo->isScript) {
-        (*(scriptNormalFunc)pUdfInfo->funcs[TSDB_UDF_FUNC_NORMAL])(pUdfInfo->pScriptCtx,
-                     (char *)pCtx->pInput + idx * pCtx->inputType, pCtx->inputType, pCtx->inputBytes, pCtx->size, pCtx->ptsList, pCtx->startTs, pCtx->pOutput,
-                    (char *)pCtx->ptsOutputBuf, &output, pCtx->resDataInfo.type, pCtx->resDataInfo.bytes);
+  if (taskFound) {
+    taskFound->rspBuf = uv_buf_init(connBuf->buf, connBuf->len);
+    udfTaskQueueRemoveTask(taskFound);
+    uv_sem_post(&taskFound->taskSem);
   } else {
-        SResultRowEntryInfo *pResInfo = GET_RES_INFO(pCtx);
+    //LOG error
+  }
+  connBuf->buf = NULL;
+  connBuf->total = -1;
+  connBuf->len = 0;
+  connBuf->cap = 0;
+}
 
-        void *interBuf = (void *)GET_ROWCELL_INTERBUF(pResInfo);
+void udfcUvHandleError(SClientUvConn *conn) {
+  uv_close((uv_handle_t *) conn->pipe, onUdfcPipeClose);
+}
 
-        (*(udfNormalFunc)pUdfInfo->funcs[TSDB_UDF_FUNC_NORMAL])((char *)pCtx->pInput + idx * pCtx->inputType, pCtx->inputType, pCtx->inputBytes, pCtx->size, pCtx->ptsList,
-          pCtx->pOutput, interBuf, (char *)pCtx->ptsOutputBuf, &output, pCtx->resDataInfo.type, pCtx->resDataInfo.bytes, &pUdfInfo->init);
-      }
+void onUdfcRead(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf) {
+  debugPrint("%s, nread: %zd", "client read from pipe", nread);
+  if (nread == 0) return;
 
-      if (pUdfInfo->funcType == TSDB_FUNC_TYPE_AGGREGATE) {
-        pCtx->resultInfo->numOfRes = output;
-      } else {
-        pCtx->resultInfo->numOfRes += output;
+  SClientUvConn *conn = client->data;
+  SClientConnBuf *connBuf = &conn->readBuf;
+  if (nread > 0) {
+    connBuf->len += nread;
+    if (isUdfcUvMsgComplete(connBuf)) {
+      udfcUvHandleRsp(conn);
     }
 
-      if (pCtx->resultInfo->numOfRes > 0) {
-        pCtx->resultInfo->hasResult = DATA_SET_FLAG;
+  }
+  if (nread < 0) {
+    debugPrint("\tclient read error: %s", uv_strerror(nread));
+    if (nread == UV_EOF) {
+      //TODO:
+    }
+    udfcUvHandleError(conn);
   }
 
-      break;
+}
 
-    case TSDB_UDF_FUNC_MERGE:
-      if (pUdfInfo->isScript) {
-        (*(scriptMergeFunc)pUdfInfo->funcs[TSDB_UDF_FUNC_MERGE])(pUdfInfo->pScriptCtx, pCtx->pInput, pCtx->size, pCtx->pOutput, &output);
+void onUdfClientWrite(uv_write_t *write, int status) {
+  debugPrint("%s", "after writing to pipe");
+  SClientUvTaskNode *uvTask = write->data;
+  if (status == 0) {
+    uv_pipe_t *pipe = uvTask->pipe;
+    SClientUvConn *conn = pipe->data;
+    udfTaskQueueInsertTail(&conn->taskQueue, uvTask);
   } else {
-        (*(udfMergeFunc)pUdfInfo->funcs[TSDB_UDF_FUNC_MERGE])(pCtx->pInput, pCtx->size, pCtx->pOutput, &output, &pUdfInfo->init);
+    //TODO Log error;
   }
+  debugPrint("\tlength:%zu", uvTask->reqBuf.len);
+  free(write);
+  free(uvTask->reqBuf.base);
+}
 
-      // set the output value exist
-      pCtx->resultInfo->numOfRes = output;
-      if (output > 0) {
-        pCtx->resultInfo->hasResult = DATA_SET_FLAG;
+void onUdfClientConnect(uv_connect_t *connect, int status) {
+  SClientUvTaskNode *uvTask = connect->data;
+  uvTask->errCode = status;
+  if (status != 0) {
+    //TODO: LOG error
   }
+  uv_read_start((uv_stream_t *) uvTask->pipe, udfcAllocateBuffer, onUdfcRead);
+  free(connect);
+  uv_sem_post(&uvTask->taskSem);
+}
 
-      break;
-
-    case TSDB_UDF_FUNC_FINALIZE: {
-      SResultRowEntryInfo *pResInfo = GET_RES_INFO(pCtx);
-      void *interBuf = (void *)GET_ROWCELL_INTERBUF(pResInfo);
-      if (pUdfInfo->isScript) {
-        (*(scriptFinalizeFunc)pUdfInfo->funcs[TSDB_UDF_FUNC_FINALIZE])(pUdfInfo->pScriptCtx, pCtx->startTs, pCtx->pOutput, &output);
+int32_t createUdfcUvTask(SClientUdfTask *task, int8_t uvTaskType, SClientUvTaskNode **pUvTask) {
+  SClientUvTaskNode *uvTask = calloc(1, sizeof(SClientUvTaskNode));
+  uvTask->type = uvTaskType;
+
+  if (uvTaskType == UV_TASK_CONNECT) {
+  } else if (uvTaskType == UV_TASK_REQ_RSP) {
+    uvTask->pipe = task->session->udfSvcPipe;
+    SUdfRequest request;
+    request.type = task->type;
+    request.seqNum = gUdfTaskSeqNum++;
+
+    if (task->type == UDF_TASK_SETUP) {
+      request.subReq = &task->_setup.req;
+      request.type = UDF_TASK_SETUP;
+    } else if (task->type == UDF_TASK_CALL) {
+      request.subReq = &task->_call.req;
+      request.type = UDF_TASK_CALL;
+    } else if (task->type == UDF_TASK_TEARDOWN) {
+      request.subReq = &task->_teardown.req;
+      request.type = UDF_TASK_TEARDOWN;
     } else {
-        (*(udfFinalizeFunc)pUdfInfo->funcs[TSDB_UDF_FUNC_FINALIZE])(pCtx->pOutput, interBuf, &output, &pUdfInfo->init);
+      //TODO log and return error
     }
-      // set the output value exist
-      pCtx->resultInfo->numOfRes = output;
-      if (output > 0) {
-        pCtx->resultInfo->hasResult = DATA_SET_FLAG;
+    char *buf = NULL;
+    int32_t bufLen = 0;
+    encodeRequest(&buf, &bufLen, &request);
+    uvTask->reqBuf = uv_buf_init(buf, bufLen);
+    uvTask->seqNum = request.seqNum;
+  } else if (uvTaskType == UV_TASK_DISCONNECT) {
+    uvTask->pipe = task->session->udfSvcPipe;
   }
+  uv_sem_init(&uvTask->taskSem, 0);
 
+  *pUvTask = uvTask;
+  return 0;
+}
+
+int32_t queueUvUdfTask(SClientUvTaskNode *uvTask) {
+  debugPrint("%s, %d", "queue uv task", uvTask->type);
+
+  uv_mutex_lock(&gUdfTaskQueueMutex);
+  udfTaskQueueInsertTail(gUdfTaskQueue, uvTask);
+  uv_mutex_unlock(&gUdfTaskQueueMutex);
+  uv_async_send(&gUdfLoopTaskAync);
+
+  uv_sem_wait(&uvTask->taskSem);
+  uv_sem_destroy(&uvTask->taskSem);
+
+  return 0;
+}
+
+int32_t startUvUdfTask(SClientUvTaskNode *uvTask) {
+  debugPrint("%s, type %d", "start uv task ", uvTask->type);
+  switch (uvTask->type) {
+    case UV_TASK_CONNECT: {
+      uv_pipe_t *pipe = malloc(sizeof(uv_pipe_t));
+      uv_pipe_init(&gUdfdLoop, pipe, 0);
+      uvTask->pipe = pipe;
+
+      SClientUvConn *conn = malloc(sizeof(SClientUvConn));
+      conn->pipe = pipe;
+      conn->readBuf.len = 0;
+      conn->readBuf.cap = 0;
+      conn->readBuf.buf = 0;
+      conn->readBuf.total = -1;
+      udfTaskQueueInit(&conn->taskQueue);
+
+      pipe->data = conn;
+
+      uv_connect_t *connReq = malloc(sizeof(uv_connect_t));
+      connReq->data = uvTask;
+
+      uv_pipe_connect(connReq, pipe, "udf.sock", onUdfClientConnect);
       break;
     }
+    case UV_TASK_REQ_RSP: {
+      uv_pipe_t *pipe = uvTask->pipe;
+      uv_write_t *write = malloc(sizeof(uv_write_t));
+      write->data = uvTask;
+      uv_write(write, (uv_stream_t *) pipe, &uvTask->reqBuf, 1, onUdfClientWrite);
+      break;
     }
+    case UV_TASK_DISCONNECT: {
+      SClientUvConn *conn = uvTask->pipe->data;
+      udfTaskQueueInsertTail(&conn->taskQueue, uvTask);
+      uv_close((uv_handle_t *) uvTask->pipe, onUdfcPipeClose);
+      break;
+    }
+    default: {
+      break;
+    }
+  }
+
+  return 0;
 }
 
-#endif
+void udfClientAsyncCb(uv_async_t *async) {
\ No newline at end of file
+  SClientUvTaskNode node;
+  SClientUvTaskQueue q = &node;
+  udfTaskQueueInit(q);
+
+  uv_mutex_lock(&gUdfTaskQueueMutex);
+  udfTaskQueueMove(gUdfTaskQueue, q);
+  uv_mutex_unlock(&gUdfTaskQueueMutex);
+
+  while (!udfTaskQueueIsEmpty(q)) {
+    SClientUvTaskNode *task = udfTaskQueueHeadTask(q);
+    udfTaskQueueRemoveTask(task);
+    startUvUdfTask(task);
+  }
+
+}
+
+void udfStopAsyncCb(uv_async_t *async) {
+  uv_stop(&gUdfdLoop);
+  uv_loop_close(&gUdfdLoop);
+}
+
+void startUdfd(void *argsThread) {
+  uv_loop_init(&gUdfdLoop);
+
+  //TODO: path
+    uv_process_options_t options;
+    static char path[256] = {0};
+    size_t cwdSize;
+    uv_cwd(path, &cwdSize);
+    strcat(path, "./udfd");
+    char* args[2] = {path, NULL};
+    options.args = args;
+    options.file = path;
+    options.exit_cb = onUdfdExit;
+
+    int err = uv_spawn(&gUdfdLoop, &gUdfdProcess, &options);
+    if (err != 0) {
+        debugPrint("can not spawn udfd. path: %s, error: %s", path, uv_strerror(err));
+    }
+
+  uv_async_init(&gUdfdLoop, &gUdfLoopTaskAync, udfClientAsyncCb);
+  uv_async_init(&gUdfdLoop, &gUdfLoopStopAsync, udfStopAsyncCb);
+  uv_mutex_init(&gUdfTaskQueueMutex);
+  udfTaskQueueInit(gUdfTaskQueue);
+  uv_barrier_wait(&gUdfInitBarrier);
+  uv_run(&gUdfdLoop, UV_RUN_DEFAULT);
+}
+
+int32_t startUdfService() {
+  uv_barrier_init(&gUdfInitBarrier, 2);
+  uv_thread_create(&gUdfLoopThread, startUdfd, 0);
+  uv_barrier_wait(&gUdfInitBarrier);
+  return 0;
+}
+
+int32_t stopUdfService() {
+  uv_barrier_destroy(&gUdfInitBarrier);
+  uv_process_kill(&gUdfdProcess, SIGINT);
+  uv_async_send(&gUdfLoopStopAsync);
+  uv_mutex_destroy(&gUdfTaskQueueMutex);
+  uv_thread_join(&gUdfLoopThread);
+  return 0;
+}
+
+int32_t udfcRunUvTask(SClientUdfTask *task, int8_t uvTaskType) {
+  SClientUvTaskNode *uvTask = NULL;
+
+  createUdfcUvTask(task, uvTaskType, &uvTask);
+  queueUvUdfTask(uvTask);
+  udfcGetUvTaskResponseResult(task, uvTask);
+  if (uvTaskType == UV_TASK_CONNECT) {
+    task->session->udfSvcPipe = uvTask->pipe;
+  }
+  free(uvTask);
+  uvTask = NULL;
+  return task->errCode;
+}
+
+int32_t setupUdf(SUdfInfo *udfInfo, UdfHandle *handle) {
+  debugPrint("%s", "client setup udf");
+  SClientUdfTask *task = malloc(sizeof(SClientUdfTask));
+  task->errCode = 0;
+  task->session = malloc(sizeof(SUdfUvSession));
+  task->type = UDF_TASK_SETUP;
+
+  SUdfSetupRequest *req = &task->_setup.req;
+  memcpy(req->udfName, udfInfo->udfName, 16);
+  req->path = udfInfo->path;
+  req->pathSize = strlen(req->path) + 1;
+  req->udfType = udfInfo->udfType;
+  req->scriptType = udfInfo->scriptType;
+
+  int32_t errCode = udfcRunUvTask(task, UV_TASK_CONNECT);
+  if (errCode != 0) {
+    //TODO: log error
+    return -1;
+  }
+
+  udfcRunUvTask(task, UV_TASK_REQ_RSP);
+
+  SUdfSetupResponse *rsp = &task->_setup.rsp;
+  task->session->severHandle = rsp->udfHandle;
+  *handle = task->session;
+  int32_t err = task->errCode;
+  free(task);
+  return err;
+}
+
+int32_t callUdf(UdfHandle handle, int8_t step, char *state, int32_t stateSize, SUdfDataBlock input, char **newState,
+                int32_t *newStateSize, SUdfDataBlock *output) {
+  debugPrint("%s", "client call udf");
+
+  SClientUdfTask *task = malloc(sizeof(SClientUdfTask));
+  task->errCode = 0;
+  task->session = (SUdfUvSession *) handle;
+  task->type = UDF_TASK_CALL;
+
+  SUdfCallRequest *req = &task->_call.req;
+
+  req->state = state;
+  req->stateBytes = stateSize;
+  req->inputBytes = input.size;
+  req->input = input.data;
+  req->udfHandle = task->session->severHandle;
+  req->step = step;
+
+  udfcRunUvTask(task, UV_TASK_REQ_RSP);
+
+  SUdfCallResponse *rsp = &task->_call.rsp;
+  *newState = rsp->newState;
+  *newStateSize = rsp->newStateBytes;
+  output->size = rsp->outputBytes;
+  output->data = rsp->output;
+  int32_t err = task->errCode;
+  free(task);
+  return err;
+}
+
+int32_t teardownUdf(UdfHandle handle) {
+  debugPrint("%s", "client teardown udf");
+
+  SClientUdfTask *task = malloc(sizeof(SClientUdfTask));
+  task->errCode = 0;
+  task->session = (SUdfUvSession *) handle;
+  task->type = UDF_TASK_TEARDOWN;
+
+  SUdfTeardownRequest *req = &task->_teardown.req;
+  req->udfHandle = task->session->severHandle;
+
+  udfcRunUvTask(task, UV_TASK_REQ_RSP);
+
+
+  SUdfTeardownResponse *rsp = &task->_teardown.rsp;
+
+  int32_t err = task->errCode;
+
+  udfcRunUvTask(task, UV_TASK_DISCONNECT);
+
+  free(task->session);
+  free(task);
+
+  return err;
+}

source/libs/function/src/udfd.c

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "uv.h"
+#include "os.h"
+#include "tlog.h"
+
+#include "tudf.h"
+#include "tudfInt.h"
+
+
+static uv_loop_t *loop;
+
+typedef struct SUdfdUvConn {
+    uv_stream_t *client;
+    char *inputBuf;
+    int32_t inputLen;
+    int32_t inputCap;
+    int32_t inputTotal;
+} SUdfdUvConn;
+
+typedef struct SUvUdfWork {
+    uv_stream_t *client;
+    uv_buf_t input;
+    uv_buf_t output;
+} SUvUdfWork;
+
+typedef struct SUdf {
+    int32_t refCount;
+
+    char name[16];
+    int8_t type;
+
+    uv_lib_t lib;
+    TUdfFunc normalFunc;
+} SUdf;
+
+//TODO: low priority: change name onxxx to xxxCb, and udfc or udfd as prefix
+//TODO: add private udf structure.
+typedef struct SUdfHandle {
+    SUdf *udf;
+} SUdfHandle;
+
+
+void udfdProcessRequest(uv_work_t *req) {
+    SUvUdfWork *uvUdf = (SUvUdfWork *) (req->data);
+    SUdfRequest *request = NULL;
+    decodeRequest(uvUdf->input.base, uvUdf->input.len, &request);
+
+    switch (request->type) {
+        case UDF_TASK_SETUP: {
+            debugPrint("%s", "process setup request");
+            SUdf *udf = malloc(sizeof(SUdf));
+            udf->refCount = 0;
+            SUdfSetupRequest *setup = request->subReq;
+            strcpy(udf->name, setup->udfName);
+            int err = uv_dlopen(setup->path, &udf->lib);
+            if (err != 0) {
+                debugPrint("can not load library %s. error: %s", setup->path, uv_strerror(err));
+                //TODO set error
+            }
+
+            char normalFuncName[32] = {0};
+            strcpy(normalFuncName, setup->udfName);
+	    //TODO error,
+	    //TODO find all functions normal, init, destroy, normal, merge, finalize
+            uv_dlsym(&udf->lib, normalFuncName, (void **) (&udf->normalFunc));
+
+            SUdfHandle *handle = malloc(sizeof(SUdfHandle));
+            handle->udf = udf;
+            udf->refCount++;
+            //TODO: allocate private structure and call init function and set it to handle
+            SUdfResponse *rsp = malloc(sizeof(SUdfResponse));
+            rsp->seqNum = request->seqNum;
+            rsp->type = request->type;
+            rsp->code = 0;
+            SUdfSetupResponse *subRsp = malloc(sizeof(SUdfSetupResponse));
+            subRsp->udfHandle = (int64_t) (handle);
+            rsp->subRsp = subRsp;
+            char *buf;
+            int32_t len;
+            encodeResponse(&buf, &len, rsp);
+
+            uvUdf->output = uv_buf_init(buf, len);
+
+            free(rsp->subRsp);
+            free(rsp);
+            free(request->subReq);
+            free(request);
+            free(uvUdf->input.base);
+            break;
+        }
+
+        case UDF_TASK_CALL: {
+            debugPrint("%s", "process call request");
+            SUdfCallRequest *call = request->subReq;
+            SUdfHandle *handle = (SUdfHandle *) (call->udfHandle);
+            SUdf *udf = handle->udf;
+            char *newState;
+            int32_t newStateSize;
+            SUdfDataBlock input = {.data = call->input, .size= call->inputBytes};
+            SUdfDataBlock output;
+	    //TODO: call different functions according to the step 
+            udf->normalFunc(call->step, call->state, call->stateBytes, input, &newState, &newStateSize, &output);
+
+            SUdfResponse *rsp = malloc(sizeof(SUdfResponse));
+            rsp->seqNum = request->seqNum;
+            rsp->type = request->type;
+            rsp->code = 0;
+            SUdfCallResponse *subRsp = malloc(sizeof(SUdfCallResponse));
+            subRsp->outputBytes = output.size;
+            subRsp->output = output.data;
+            subRsp->newStateBytes = newStateSize;
+            subRsp->newState = newState;
+            rsp->subRsp = subRsp;
+
+            char *buf;
+            int32_t len;
+            encodeResponse(&buf, &len, rsp);
+            uvUdf->output = uv_buf_init(buf, len);
+
+            free(rsp->subRsp);
+            free(rsp);
+            free(newState);
+            free(output.data);
+            free(request->subReq);
+            free(request);
+            free(uvUdf->input.base);
+            break;
+        }
+        case UDF_TASK_TEARDOWN: {
+            debugPrint("%s", "process teardown request");
+
+            SUdfTeardownRequest *teardown = request->subReq;
+            SUdfHandle *handle = (SUdfHandle *) (teardown->udfHandle);
+            SUdf *udf = handle->udf;
+            udf->refCount--;
+            if (udf->refCount == 0) {
+                uv_dlclose(&udf->lib);
+            }
+            free(udf);
+	    //TODO: call destroy and free udf private 
+            free(handle);
+
+            SUdfResponse *rsp = malloc(sizeof(SUdfResponse));
+            rsp->seqNum = request->seqNum;
+            rsp->type = request->type;
+            rsp->code = 0;
+            SUdfTeardownResponse *subRsp = malloc(sizeof(SUdfTeardownResponse));
+            rsp->subRsp = subRsp;
+            char *buf;
+            int32_t len;
+            encodeResponse(&buf, &len, rsp);
+            uvUdf->output = uv_buf_init(buf, len);
+
+            free(rsp->subRsp);
+            free(rsp);
+            free(request->subReq);
+            free(request);
+            free(uvUdf->input.base);
+            break;
+        }
+        default: {
+            break;
+        }
+
+    }
+
+}
+
+void udfdOnWrite(uv_write_t *req, int status) {
+    debugPrint("%s", "after writing to pipe");
+    if (status < 0) {
+        debugPrint("Write error %s", uv_err_name(status));
+    }
+    SUvUdfWork *work = (SUvUdfWork *) req->data;
+    debugPrint("\tlength: %zu", work->output.len);
+    free(work->output.base);
+    free(work);
+    free(req);
+}
+
+
+void udfdSendResponse(uv_work_t *work, int status) {
+    debugPrint("%s", "send response");
+    SUvUdfWork *udfWork = (SUvUdfWork *) (work->data);
+
+    uv_write_t *write_req = malloc(sizeof(uv_write_t));
+    write_req->data = udfWork;
+    uv_write(write_req, udfWork->client, &udfWork->output, 1, udfdOnWrite);
+
+    free(work);
+}
+
+void udfdAllocBuffer(uv_handle_t *handle, size_t suggestedSize, uv_buf_t *buf) {
+    debugPrint("%s", "allocate buffer for read");
+    SUdfdUvConn *ctx = handle->data;
+    int32_t msgHeadSize = sizeof(int32_t) + sizeof(int64_t);
+    if (ctx->inputCap == 0) {
+        ctx->inputBuf = malloc(msgHeadSize);
+        if (ctx->inputBuf) {
+            ctx->inputLen = 0;
+            ctx->inputCap = msgHeadSize;
+            ctx->inputTotal = -1;
+
+            buf->base = ctx->inputBuf;
+            buf->len = ctx->inputCap;
+        } else {
+            //TODO: log error
+            buf->base = NULL;
+            buf->len = 0;
+        }
+    } else {
+        ctx->inputCap = ctx->inputTotal > ctx->inputCap ? ctx->inputTotal : ctx->inputCap;
+        void *inputBuf = realloc(ctx->inputBuf, ctx->inputCap);
+        if (inputBuf) {
+            ctx->inputBuf = inputBuf;
+            buf->base = ctx->inputBuf + ctx->inputLen;
+            buf->len = ctx->inputCap - ctx->inputLen;
+        } else {
+            //TODO: log error
+            buf->base = NULL;
+            buf->len = 0;
+        }
+    }
+    debugPrint("\tinput buf cap - len - total : %d - %d - %d", ctx->inputCap, ctx->inputLen, ctx->inputTotal);
+
+}
+
+bool isUdfdUvMsgComplete(SUdfdUvConn *pipe) {
+    if (pipe->inputTotal == -1 && pipe->inputLen >= sizeof(int32_t)) {
+        pipe->inputTotal = *(int32_t *) (pipe->inputBuf);
+    }
+    if (pipe->inputLen == pipe->inputCap && pipe->inputTotal == pipe->inputCap) {
+        return true;
+    }
+    return false;
+}
+
+void udfdHandleRequest(SUdfdUvConn *conn) {
+    uv_work_t *work = malloc(sizeof(uv_work_t));
+    SUvUdfWork *udfWork = malloc(sizeof(SUvUdfWork));
+    udfWork->client = conn->client;
+    udfWork->input = uv_buf_init(conn->inputBuf, conn->inputLen);
+    conn->inputBuf = NULL;
+    conn->inputLen = 0;
+    conn->inputCap = 0;
+    conn->inputTotal = -1;
+    work->data = udfWork;
+    uv_queue_work(loop, work, udfdProcessRequest, udfdSendResponse);
+}
+
+void udfdPipeCloseCb(uv_handle_t *pipe) {
+    SUdfdUvConn *conn = pipe->data;
+    free(conn->client);
+    free(conn->inputBuf);
+    free(conn);
+}
+
+void udfdUvHandleError(SUdfdUvConn *conn) {
+    uv_close((uv_handle_t *) conn->client, udfdPipeCloseCb);
+}
+
+void udfdPipeRead(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf) {
+    debugPrint("%s, nread: %zd", "read from pipe", nread);
+
+    if (nread == 0) return;
+
+    SUdfdUvConn *conn = client->data;
+
+    if (nread > 0) {
+        conn->inputLen += nread;
+        if (isUdfdUvMsgComplete(conn)) {
+            udfdHandleRequest(conn);
+        } else {
+            //log error or continue;
+        }
+        return;
+    }
+
+    if (nread < 0) {
+        debugPrint("Read error %s", uv_err_name(nread));
+        if (nread == UV_EOF) {
+            //TODO check more when close
+        } else {
+        }
+        udfdUvHandleError(conn);
+    }
+}
+
+void udfdOnNewConnection(uv_stream_t *server, int status) {
+    debugPrint("%s", "on new connection");
+    if (status < 0) {
+        // TODO
+        return;
+    }
+
+    uv_pipe_t *client = (uv_pipe_t *) malloc(sizeof(uv_pipe_t));
+    uv_pipe_init(loop, client, 0);
+    if (uv_accept(server, (uv_stream_t *) client) == 0) {
+        SUdfdUvConn *ctx = malloc(sizeof(SUdfdUvConn));
+        ctx->client = (uv_stream_t *) client;
+        ctx->inputBuf = 0;
+        ctx->inputLen = 0;
+        ctx->inputCap = 0;
+        client->data = ctx;
+        ctx->client = (uv_stream_t *) client;
+        uv_read_start((uv_stream_t *) client, udfdAllocBuffer, udfdPipeRead);
+    } else {
+        uv_close((uv_handle_t *) client, NULL);
+    }
+}
+
+void removeListeningPipe(int sig) {
+    uv_fs_t req;
+    uv_fs_unlink(loop, &req, "udf.sock", NULL);
+    exit(0);
+}
+
+int main() {
+    debugPrint("libuv version: %x", UV_VERSION_HEX);
+
+    loop = uv_default_loop();
+    uv_fs_t req;
+    uv_fs_unlink(loop, &req, "udf.sock", NULL);
+
+    uv_pipe_t server;
+    uv_pipe_init(loop, &server, 0);
+
+    signal(SIGINT, removeListeningPipe);
+
+    int r;
+    if ((r = uv_pipe_bind(&server, "udf.sock"))) {
+        debugPrint("Bind error %s\n", uv_err_name(r));
+        removeListeningPipe(0);
+        return 1;
+    }
+    if ((r = uv_listen((uv_stream_t *) &server, 128, udfdOnNewConnection))) {
+        debugPrint("Listen error %s", uv_err_name(r));
+        return 2;
+    }
+    uv_run(loop, UV_RUN_DEFAULT);
+    uv_loop_close(loop);
+}

source/libs/function/test/runUdf.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "uv.h"
+#include "tudf.h"
+
+int main(int argc, char *argv[]) {
+    startUdfService();
+    uv_sleep(1000);
+    char path[256] = {0};
+    size_t cwdSize = 256;
+    int err = uv_cwd(path, &cwdSize);
+    if (err != 0) {
+        fprintf(stderr, "err cwd: %s\n", uv_strerror(err));
+	    return err;
+    }
+    fprintf(stdout, "current working directory:%s\n", path);
+    strcat(path, "/libudf1.so");
+    SUdfInfo udfInfo = {.udfName="udf1", .path=path};
+
+    UdfHandle handle;
+    setupUdf(&udfInfo, &handle);
+
+    //char state[5000000] = "state";
+    //char input[5000000] = "input";
+    int dataSize = 500;
+    int callCount = 2;
+    if (argc > 1) dataSize = atoi(argv[1]);
+    if (argc > 2) callCount = atoi(argv[2]);
+    char *state = malloc(dataSize);
+    char *input = malloc(dataSize);
+    SUdfDataBlock blockInput = {.data = input, .size = dataSize};
+    SUdfDataBlock blockOutput;
+    char* newState;
+    int32_t newStateSize;
+    for (int l = 0; l < callCount; ++l) {
+        callUdf(handle, 0, state, dataSize, blockInput, &newState, &newStateSize, &blockOutput);
+    }
+    free(state);
+    free(input);
+    teardownUdf(handle);
+
+    stopUdfService();
+}

source/libs/function/test/udf1.c

+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "tudf.h"
+
+void udf1(int8_t step, char *state, int32_t stateSize, SUdfDataBlock input,
+          char **newState, int32_t *newStateSize, SUdfDataBlock *output) {
+    fprintf(stdout, "%s, step:%d\n", "udf function called", step);
+    char *newStateBuf = malloc(stateSize);
+    memcpy(newStateBuf, state, stateSize);
+    *newState = newStateBuf;
+    *newStateSize = stateSize;
+
+    char *outputBuf = malloc(input.size);
+    memcpy(outputBuf, input.data, input.size);
+    output->data = outputBuf;
+    output->size = input.size;
+    return;
+}

source/libs/nodes/src/nodesCodeFuncs.c

@@ -1481,7 +1481,7 @@ static int32_t jsonToDatum(const SJson* pJson, void* pObj) {
     case TSDB_DATA_TYPE_NCHAR:
     case TSDB_DATA_TYPE_VARCHAR:
     case TSDB_DATA_TYPE_VARBINARY: {
-      pNode->datum.p = calloc(1, pNode->node.resType.bytes + VARSTR_HEADER_SIZE + 1 + 100);
+      pNode->datum.p = calloc(1, pNode->node.resType.bytes + VARSTR_HEADER_SIZE + 1);
       if (NULL == pNode->datum.p) {
         code = TSDB_CODE_OUT_OF_MEMORY;
         break;

source/libs/parser/inc/parAst.h

@@ -150,9 +150,9 @@ SNode* createDropUserStmt(SAstCreateContext* pCxt, SToken* pUserName);
 SNode* createCreateDnodeStmt(SAstCreateContext* pCxt, const SToken* pFqdn, const SToken* pPort);
 SNode* createDropDnodeStmt(SAstCreateContext* pCxt, const SToken* pDnode);
 SNode* createAlterDnodeStmt(SAstCreateContext* pCxt, const SToken* pDnode, const SToken* pConfig, const SToken* pValue);
-SNode* createCreateIndexStmt(SAstCreateContext* pCxt, EIndexType type, SToken* pIndexName, SToken* pTableName, SNodeList* pCols, SNode* pOptions);
+SNode* createCreateIndexStmt(SAstCreateContext* pCxt, EIndexType type, bool ignoreExists, SToken* pIndexName, SToken* pTableName, SNodeList* pCols, SNode* pOptions);
 SNode* createIndexOption(SAstCreateContext* pCxt, SNodeList* pFuncs, SNode* pInterval, SNode* pOffset, SNode* pSliding);
-SNode* createDropIndexStmt(SAstCreateContext* pCxt, SToken* pIndexName, SToken* pTableName);
+SNode* createDropIndexStmt(SAstCreateContext* pCxt, bool ignoreNotExists, SToken* pIndexName, SToken* pTableName);
 SNode* createCreateQnodeStmt(SAstCreateContext* pCxt, const SToken* pDnodeId);
 SNode* createDropQnodeStmt(SAstCreateContext* pCxt, const SToken* pDnodeId);
 SNode* createCreateTopicStmt(SAstCreateContext* pCxt, bool ignoreExists, const SToken* pTopicName, SNode* pQuery, const SToken* pSubscribeDbName);

source/libs/parser/inc/sql.y

@@ -313,10 +313,11 @@ func_name_list(A) ::= func_name_list(B) NK_COMMA col_name(C).
 func_name(A) ::= function_name(B).                                                { A = createFunctionNode(pCxt, &B, NULL); }
 
 /************************************************ create index ********************************************************/
-cmd ::= CREATE SMA INDEX index_name(A) ON table_name(B) index_options(C).         { pCxt->pRootNode = createCreateIndexStmt(pCxt, INDEX_TYPE_SMA, &A, &B, NULL, C); }
-cmd ::= CREATE FULLTEXT INDEX
-  index_name(A) ON table_name(B) NK_LP col_name_list(C) NK_RP.                    { pCxt->pRootNode = createCreateIndexStmt(pCxt, INDEX_TYPE_FULLTEXT, &A, &B, C, NULL); }
-cmd ::= DROP INDEX index_name(A) ON table_name(B).                                { pCxt->pRootNode = createDropIndexStmt(pCxt, &A, &B); }
+cmd ::= CREATE SMA INDEX not_exists_opt(D) 
+  index_name(A) ON table_name(B) index_options(C).                                { pCxt->pRootNode = createCreateIndexStmt(pCxt, INDEX_TYPE_SMA, D, &A, &B, NULL, C); }
+cmd ::= CREATE FULLTEXT INDEX not_exists_opt(D)
+  index_name(A) ON table_name(B) NK_LP col_name_list(C) NK_RP.                    { pCxt->pRootNode = createCreateIndexStmt(pCxt, INDEX_TYPE_FULLTEXT, D, &A, &B, C, NULL); }
+cmd ::= DROP INDEX exists_opt(C) index_name(A) ON table_name(B).                  { pCxt->pRootNode = createDropIndexStmt(pCxt, C, &A, &B); }
 
 index_options(A) ::= .                                                            { A = NULL; }
 index_options(A) ::= FUNCTION NK_LP func_list(B) NK_RP INTERVAL 

source/libs/parser/src/parAstCreater.c

@@ -1160,13 +1160,14 @@ SNode* createAlterDnodeStmt(SAstCreateContext* pCxt, const SToken* pDnode, const
   return (SNode*)pStmt;
 }
 
-SNode* createCreateIndexStmt(SAstCreateContext* pCxt, EIndexType type, SToken* pIndexName, SToken* pTableName, SNodeList* pCols, SNode* pOptions) {
+SNode* createCreateIndexStmt(SAstCreateContext* pCxt, EIndexType type, bool ignoreExists, SToken* pIndexName, SToken* pTableName, SNodeList* pCols, SNode* pOptions) {
   if (!checkIndexName(pCxt, pIndexName) || !checkTableName(pCxt, pTableName)) {
     return NULL;
   }
   SCreateIndexStmt* pStmt = nodesMakeNode(QUERY_NODE_CREATE_INDEX_STMT);
   CHECK_OUT_OF_MEM(pStmt);
   pStmt->indexType = type;
+  pStmt->ignoreExists = ignoreExists;
   strncpy(pStmt->indexName, pIndexName->z, pIndexName->n);
   strncpy(pStmt->tableName, pTableName->z, pTableName->n);
   pStmt->pCols = pCols;
@@ -1184,12 +1185,13 @@ SNode* createIndexOption(SAstCreateContext* pCxt, SNodeList* pFuncs, SNode* pInt
   return (SNode*)pOptions;
 }
 
-SNode* createDropIndexStmt(SAstCreateContext* pCxt, SToken* pIndexName, SToken* pTableName) {
+SNode* createDropIndexStmt(SAstCreateContext* pCxt, bool ignoreNotExists, SToken* pIndexName, SToken* pTableName) {
   if (!checkIndexName(pCxt, pIndexName) || !checkTableName(pCxt, pTableName)) {
     return NULL;
   }
   SDropIndexStmt* pStmt = nodesMakeNode(QUERY_NODE_DROP_INDEX_STMT);
   CHECK_OUT_OF_MEM(pStmt);
+  pStmt->ignoreNotExists = ignoreNotExists;
   strncpy(pStmt->indexName, pIndexName->z, pIndexName->n);
   strncpy(pStmt->tableName, pTableName->z, pTableName->n);
   return (SNode*)pStmt;

source/libs/parser/src/parTranslater.c

@@ -1422,34 +1422,110 @@ static int32_t translateShowTables(STranslateContext* pCxt) {
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t translateCreateSmaIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) {
-  SVCreateTSmaReq createSmaReq = {0};
+static int32_t getSmaIndexDstVgId(STranslateContext* pCxt, char* pTableName, int32_t* pVgId) {
+  SVgroupInfo vg = {0};
+  int32_t code = getTableHashVgroup(pCxt, pCxt->pParseCxt->db, pTableName, &vg);
+  if (TSDB_CODE_SUCCESS == code) {
+    *pVgId = vg.vgId;
+  }
+  return code;
+}
 
-  if (DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pInterval) ||
-      (NULL != pStmt->pOptions->pOffset && DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pOffset)) ||
-      (NULL != pStmt->pOptions->pSliding && DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pSliding))) {
-    return pCxt->errCode;
+static int32_t getSmaIndexSql(STranslateContext* pCxt, char** pSql, int32_t* pLen) {
+  *pSql = strdup(pCxt->pParseCxt->pSql);
+  if (NULL == *pSql) {
+    return TSDB_CODE_OUT_OF_MEMORY;
   }
+  *pLen = pCxt->pParseCxt->sqlLen + 1;
+  return TSDB_CODE_SUCCESS;
+}
 
-  createSmaReq.tSma.intervalUnit = ((SValueNode*)pStmt->pOptions->pInterval)->unit;
-  createSmaReq.tSma.slidingUnit = (NULL != pStmt->pOptions->pSliding ? ((SValueNode*)pStmt->pOptions->pSliding)->unit : 0);
-  strcpy(createSmaReq.tSma.indexName, pStmt->indexName);
+static int32_t getSmaIndexExpr(STranslateContext* pCxt, SCreateIndexStmt* pStmt, char** pExpr, int32_t* pLen) {
+  return nodesListToString(pStmt->pOptions->pFuncs, false, pExpr, pLen);
+}
 
-  SName name;
-  name.type = TSDB_TABLE_NAME_T;
-  name.acctId = pCxt->pParseCxt->acctId;
+static int32_t getSmaIndexBuildAst(STranslateContext* pCxt, SCreateIndexStmt* pStmt, char** pAst, int32_t* pLen) {
+  SSelectStmt* pSelect = nodesMakeNode(QUERY_NODE_SELECT_STMT);
+  if (NULL == pSelect) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  SRealTableNode* pTable = nodesMakeNode(QUERY_NODE_REAL_TABLE);
+  if (NULL == pTable) {
+    nodesDestroyNode(pSelect);
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  strcpy(pTable->table.dbName, pCxt->pParseCxt->db);
+  strcpy(pTable->table.tableName, pStmt->tableName);
+  pSelect->pFromTable = (SNode*)pTable;
+
+  pSelect->pProjectionList = nodesCloneList(pStmt->pOptions->pFuncs);
+  if (NULL == pTable) {
+    nodesDestroyNode(pSelect);
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  SIntervalWindowNode* pInterval = nodesMakeNode(QUERY_NODE_INTERVAL_WINDOW);
+  if (NULL == pInterval) {
+    nodesDestroyNode(pSelect);
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+  pSelect->pWindow = (SNode*)pInterval;
+  pInterval->pInterval = nodesCloneNode(pStmt->pOptions->pInterval);
+  pInterval->pOffset = nodesCloneNode(pStmt->pOptions->pOffset);
+  pInterval->pSliding = nodesCloneNode(pStmt->pOptions->pSliding);
+  if (NULL == pInterval->pInterval || (NULL != pStmt->pOptions->pOffset && NULL == pInterval->pOffset) ||
+      (NULL != pStmt->pOptions->pSliding && NULL == pInterval->pSliding)) {
+    nodesDestroyNode(pSelect);
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  int32_t code = translateQuery(pCxt, (SNode*)pSelect);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = nodesNodeToString(pSelect, false, pAst, pLen);
+  }
+  nodesDestroyNode(pSelect);
+  return code;
+}
+
+static int32_t buildCreateSmaReq(STranslateContext* pCxt, SCreateIndexStmt* pStmt, SMCreateSmaReq* pReq) {
+  SName name = { .type = TSDB_TABLE_NAME_T, .acctId = pCxt->pParseCxt->acctId };
   strcpy(name.dbname, pCxt->pParseCxt->db);
+  strcpy(name.tname, pStmt->indexName);
+  tNameExtractFullName(&name, pReq->name);
   strcpy(name.tname, pStmt->tableName);
-  STableMeta* pMeta = NULL;
-  int32_t code = catalogGetTableMeta(pCxt->pParseCxt->pCatalog, pCxt->pParseCxt->pTransporter, &pCxt->pParseCxt->mgmtEpSet, &name, &pMeta);
-  if (TSDB_CODE_SUCCESS != code) {
+  name.tname[strlen(pStmt->tableName)] = '\0';
+  tNameExtractFullName(&name, pReq->stb);
+  pReq->igExists = pStmt->ignoreExists;
+  pReq->interval = ((SValueNode*)pStmt->pOptions->pInterval)->datum.i;
+  pReq->intervalUnit = ((SValueNode*)pStmt->pOptions->pInterval)->unit;
+  pReq->offset = (NULL != pStmt->pOptions->pOffset ? ((SValueNode*)pStmt->pOptions->pOffset)->datum.i : 0);
+  pReq->sliding = (NULL != pStmt->pOptions->pSliding ? ((SValueNode*)pStmt->pOptions->pSliding)->datum.i : pReq->interval);
+  pReq->slidingUnit = (NULL != pStmt->pOptions->pSliding ? ((SValueNode*)pStmt->pOptions->pSliding)->unit : pReq->intervalUnit);
+
+  int32_t code = getSmaIndexDstVgId(pCxt, pStmt->tableName, &pReq->dstVgId);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = getSmaIndexSql(pCxt, &pReq->sql, &pReq->sqlLen);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = getSmaIndexExpr(pCxt, pStmt, &pReq->expr, &pReq->exprLen);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = getSmaIndexBuildAst(pCxt, pStmt, &pReq->ast, &pReq->astLen);
+  }
+
   return code;
+}
+
+static int32_t translateCreateSmaIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) {
+  if (DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pInterval) ||
+      (NULL != pStmt->pOptions->pOffset && DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pOffset)) ||
+      (NULL != pStmt->pOptions->pSliding && DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pSliding))) {
+    return pCxt->errCode;
   }
 
-  createSmaReq.tSma.tableUid = pMeta->uid;
-  createSmaReq.tSma.interval = ((SValueNode*)pStmt->pOptions->pInterval)->datum.i;
-  createSmaReq.tSma.sliding = (NULL != pStmt->pOptions->pSliding ? ((SValueNode*)pStmt->pOptions->pSliding)->datum.i : 0);
-  code = nodesListToString(pStmt->pOptions->pFuncs, false, &createSmaReq.tSma.expr, &createSmaReq.tSma.exprLen);
+  SMCreateSmaReq createSmaReq = {0};
+  int32_t code = buildCreateSmaReq(pCxt, pStmt, &createSmaReq);
   if (TSDB_CODE_SUCCESS != code) {
     return code;
   }
@@ -1460,14 +1536,13 @@ static int32_t translateCreateSmaIndex(STranslateContext* pCxt, SCreateIndexStmt
   }
   pCxt->pCmdMsg->epSet = pCxt->pParseCxt->mgmtEpSet;
   pCxt->pCmdMsg->msgType = TDMT_VND_CREATE_SMA;
-  pCxt->pCmdMsg->msgLen = tSerializeSVCreateTSmaReq(NULL, &createSmaReq);
+  pCxt->pCmdMsg->msgLen = tSerializeSMCreateSmaReq(NULL, 0, &createSmaReq);
   pCxt->pCmdMsg->pMsg = malloc(pCxt->pCmdMsg->msgLen);
   if (NULL == pCxt->pCmdMsg->pMsg) {
     return TSDB_CODE_OUT_OF_MEMORY;
   }
-  void* pBuf = pCxt->pCmdMsg->pMsg;
-  tSerializeSVCreateTSmaReq(&pBuf, &createSmaReq);
-  tdDestroyTSma(&createSmaReq.tSma);
+  tSerializeSMCreateSmaReq(pCxt->pCmdMsg->pMsg, pCxt->pCmdMsg->msgLen, &createSmaReq);
+  tFreeSMCreateSmaReq(&createSmaReq);
 
   return TSDB_CODE_SUCCESS;
 }

source/libs/parser/src/sql.c

@@ -131,17 +131,17 @@ typedef union {
 #define ParseCTX_PARAM
 #define ParseCTX_FETCH
 #define ParseCTX_STORE
-#define YYNSTATE             427
+#define YYNSTATE             430
 #define YYNRULE              337
 #define YYNTOKEN             163
-#define YY_MAX_SHIFT         426
-#define YY_MIN_SHIFTREDUCE   659
-#define YY_MAX_SHIFTREDUCE   995
-#define YY_ERROR_ACTION      996
-#define YY_ACCEPT_ACTION     997
-#define YY_NO_ACTION         998
-#define YY_MIN_REDUCE        999
-#define YY_MAX_REDUCE        1335
+#define YY_MAX_SHIFT         429
+#define YY_MIN_SHIFTREDUCE   662
+#define YY_MAX_SHIFTREDUCE   998
+#define YY_ERROR_ACTION      999
+#define YY_ACCEPT_ACTION     1000
+#define YY_NO_ACTION         1001
+#define YY_MIN_REDUCE        1002
+#define YY_MAX_REDUCE        1338
 /************* End control #defines *******************************************/
 #define YY_NLOOKAHEAD ((int)(sizeof(yy_lookahead)/sizeof(yy_lookahead[0])))
 
@@ -208,135 +208,135 @@ typedef union {
 **  yy_default[]       Default action for each state.
 **
 *********** Begin parsing tables **********************************************/
-#define YY_ACTTAB_COUNT (1266)
+#define YY_ACTTAB_COUNT (1263)
 static const YYACTIONTYPE yy_action[] = {
- /*     0 */  1042, 1201,  222,   43,   24,  168,  359, 1197, 1203, 1092,
- /*    10 */   247,  266,   89,   31,   29,   27,   26,   25,   20, 1201,
- /*    20 */  1098,   27,   26,   25, 1081, 1197, 1202, 1103,   31,   29,
- /*    30 */    27,   26,   25,  358,  997,   78,  206,  866,   77,   76,
- /*    40 */    75,   74,   73,   72,   71,   70,   69, 1088,  208,  411,
- /*    50 */   410,  409,  408,  407,  406,  405,  404,  403,  402,  401,
- /*    60 */   400,  399,  398,  397,  396,  395,  394,  393, 1000,  105,
- /*    70 */   267, 1011,  878,   31,   29,   27,   26,   25, 1228,  131,
- /*    80 */   901,  346,  111,  246,  234,  343, 1213, 1177,  272,   78,
- /*    90 */   130,   22,   77,   76,   75,   74,   73,   72,   71,   70,
- /*   100 */    69,   31,   29,   27,   26,   25, 1228, 1314,  208,  288,
- /*   110 */   317,  283,  267,  343,  287,   44,  902,  286,  128,  284,
- /*   120 */   117,  342,  285,  345, 1312,   23,  229, 1189,  896,  897,
- /*   130 */   898,  899,  900,  904,  905,  906, 1079,  201, 1214, 1217,
- /*   140 */   901,  769,  382,  381,  380,  773,  379,  775,  776,  378,
- /*   150 */   778,  375,  109,  784,  372,  786,  787,  369,  366, 1148,
- /*   160 */  1213,  846,  127, 1141,  302,  221,  125,   43,  323,  186,
- /*   170 */  1146,  358, 1133,   30,   28,  938,  902,  844,  255,  239,
- /*   180 */  1228,  231,  392,  846, 1099,   23,  229,  343,  896,  897,
- /*   190 */   898,  899,  900,  904,  905,  906, 1201,  345,  358,  844,
- /*   200 */   893, 1189, 1197, 1202,  303,  359,  331,  845,   12,  118,
- /*   210 */    66,   61, 1214, 1217, 1253, 1213,  962,  276,  207, 1249,
- /*   220 */  1165,   10,  122,  121,   30,   28, 1103,  120, 1314,  845,
- /*   230 */  1314,    1,  231,  423,  846, 1228,  313,  960,  961,  963,
- /*   240 */   964,  117,  330,  117, 1213, 1312,  242, 1312,   10,  321,
- /*   250 */   844,  334,  345, 1168, 1170,  423, 1189,  346,  696,   12,
- /*   260 */   695,  847,  850, 1178, 1228,  359,   62, 1214, 1217, 1253,
- /*   270 */    66,  330,  280,  224, 1249,  112,  279,  282,  697,  327,
- /*   280 */   845,  345,    1,  847,  850, 1189, 1103,  164,  118,    9,
- /*   290 */     8,   59, 1213,  309, 1280,   62, 1214, 1217, 1253,  281,
- /*   300 */    92,   93,  224, 1249,  112, 1314,  423,  327, 1095,  106,
- /*   310 */  1070,  903, 1228,   31,   29,   27,   26,   25, 1313,  343,
- /*   320 */    21, 1213, 1312, 1281,  392, 1267,   90,  868,   92,  345,
- /*   330 */   907,  419,  418, 1189,  847,  850,  114, 1260, 1261,  867,
- /*   340 */  1265, 1228, 1264,   62, 1214, 1217, 1253,  331,  343,  118,
- /*   350 */   224, 1249, 1326,  695,   90, 1094, 1213,  864,  345,  914,
- /*   360 */  1228, 1287, 1189,  865,  161, 1260,  326,  343,  325,  274,
- /*   370 */   235, 1314,   62, 1214, 1217, 1253, 1228,  359,  104,  224,
- /*   380 */  1249, 1326, 1100,  343,  117, 1213, 1105,  385, 1312, 1022,
- /*   390 */  1310, 1090,  320,  345,   30,   28, 1189, 1189, 1103, 1021,
- /*   400 */  1267,  333,  231,  104,  846, 1228, 1080,   62, 1214, 1217,
- /*   410 */  1253, 1106,  343, 1148,  224, 1249, 1326, 1263,  359,  236,
- /*   420 */   844, 1148,  345,  356, 1146, 1271, 1189,  243,  163,   12,
- /*   430 */  1189,  331, 1146,   30,   28, 1012,  196, 1214, 1217, 1103,
- /*   440 */  1189,  231, 1213,  846,  191, 1020, 1019, 1018,  136,  193,
- /*   450 */   845,  134,    1, 1038,  316, 1314,   30,   28,  344,  844,
- /*   460 */     6,  192, 1228,  389,  231, 1213,  846,  388,  117,  343,
- /*   470 */  1017,  123, 1312, 1148,  118,  289,  423,  322,  318,  345,
- /*   480 */  1016, 1015,  844, 1189, 1169, 1228, 1189, 1189, 1189,  845,
- /*   490 */   390,    7,  343,   63, 1214, 1217, 1253, 1148,  869, 1086,
- /*   500 */  1252, 1249,  345, 1045,  847,  850, 1189,  945, 1147,  387,
- /*   510 */   386, 1189,  845,  866,    7,  423,   63, 1214, 1217, 1253,
- /*   520 */   241, 1189, 1189,  341, 1249,   30,   28,  300,  104,   30,
- /*   530 */    28,   64,  384,  231,  338,  846, 1105,  231,  423,  846,
- /*   540 */   298, 1213, 1267,  847,  850,  999,   31,   29,   27,   26,
- /*   550 */    25,  844,  288,  933,  283,  844, 1014,  287,  118, 1262,
- /*   560 */   286, 1228,  284,  118, 1213,  285,  847,  850,  343,   87,
- /*   570 */    86,   85,   84,   83,   82,   81,   80,   79,  345,  864,
- /*   580 */  1033,  845, 1189,    7, 1228,  845,  248,    1, 1071,  260,
- /*   590 */  1013,  343,  107, 1214, 1217,  937,  426, 1189,  261,  149,
- /*   600 */  1213,  345,  291,  165,  359, 1189,  244,  423,  339,  357,
- /*   610 */   184,  423,  305,   88,  104,   63, 1214, 1217, 1253,  415,
- /*   620 */  1228,  183, 1105, 1250,   98, 1103, 1010,  343,  314,  332,
- /*   630 */  1327, 1189, 1031, 1009, 1008,  847,  850,  345,  359,  847,
- /*   640 */   850, 1189, 1142,  181,  230,  359,   60, 1007, 1006,  179,
- /*   650 */   245,  202, 1214, 1217,  294, 1005,  158, 1004, 1213, 1103,
- /*   660 */  1272,  933, 1229, 1213,  273,  259, 1103, 1189,  254,  253,
- /*   670 */   252,  251,  250,  335, 1189, 1189, 1003,  853, 1228,  138,
- /*   680 */   355, 1213,  137, 1228,  140,  343, 1213,  139, 1189, 1189,
- /*   690 */   343,  852,  991,  992,  308,  345, 1189,  146, 1189, 1189,
- /*   700 */   345, 1228,  310,  327, 1189,  328, 1228,  856,  343,  202,
- /*   710 */  1214, 1217, 1002,  343,  107, 1214, 1217, 1189,  345,    9,
- /*   720 */     8,  855, 1189,  345,   92,  228,  864, 1189, 1213,  936,
- /*   730 */   232, 1213,  202, 1214, 1217, 1283, 1213,  202, 1214, 1217,
- /*   740 */    31,   29,   27,   26,   25,  336,  327, 1167, 1228,   52,
- /*   750 */    90, 1228, 1328, 1189,  167,  343, 1228, 1078,  343,  329,
- /*   760 */   113, 1260, 1261,  343, 1265,  345, 1096,   92,  345, 1189,
- /*   770 */     2,  119, 1189,  345, 1213,  142,  257, 1189,  141,  200,
- /*   780 */  1214, 1217,  203, 1214, 1217,  959,  154,  194, 1214, 1217,
- /*   790 */   249,  256,  258,   90, 1228,  262, 1213,   41,  152,  878,
- /*   800 */   908,  343, 1213,  115, 1260, 1261,  872, 1265,  994,  995,
- /*   810 */   263,  345,   32,  264,  389, 1189, 1228,  124,  388,  871,
- /*   820 */   875,   58, 1228,  343,   42,  204, 1214, 1217, 1207,  343,
- /*   830 */  1213,   54,   32,  345,  839,  265, 1213, 1189,  268,  345,
- /*   840 */  1205,  390,  129, 1189,  275,  870,   32,  195, 1214, 1217,
- /*   850 */  1228,  277,   68,  205, 1214, 1217, 1228,  343,  173, 1093,
- /*   860 */   387,  386,  220,  343, 1213,  133,  351,  345,  178, 1089,
- /*   870 */   171, 1189,  135,  345,  762,  100,  101, 1189,   95, 1091,
- /*   880 */    96, 1225, 1214, 1217, 1228, 1087,   98, 1224, 1214, 1217,
- /*   890 */   757,  343, 1213,  102,  790,  794,  103,  800, 1213,  799,
- /*   900 */   307,  345,   41,  304,  145, 1189,  364,   96,   99,   97,
- /*   910 */   306,   98, 1228,  869,  315, 1223, 1214, 1217, 1228,  343,
- /*   920 */    96, 1284,  349, 1294,  150,  343,  312,  850, 1293,  345,
- /*   930 */   153,  223, 1213, 1189,  319,  345,    5,  110, 1274, 1189,
- /*   940 */  1213,  324,  157,  211, 1214, 1217,  238,  237,  311,  210,
- /*   950 */  1214, 1217, 1228,    4,  933,   91,  858,  868, 1268,  343,
- /*   960 */  1228,   33,  159,  160, 1311,  225, 1329,  343, 1213,  345,
- /*   970 */   337,  340,  851, 1189,  293,  215,  166,  345,   17, 1235,
- /*   980 */  1176, 1189,  347,  212, 1214, 1217,  348,  233, 1228,  301,
- /*   990 */  1175,  209, 1214, 1217,  352,  343,  353,  280,  354,  175,
- /*  1000 */    51,  279,  854,  144,  185,  345,  296,  187,   53, 1189,
- /*  1010 */  1104,  290,  182,  216,  143,  214,  213,  422,  278,  199,
- /*  1020 */  1214, 1217,  362,  197,  281,  198,  189,  190,  360, 1183,
- /*  1030 */   822, 1160, 1159,   94, 1158, 1157, 1156, 1155, 1154,   40,
- /*  1040 */  1153,  824,   39, 1152, 1151, 1150, 1149, 1044, 1182, 1173,
- /*  1050 */   126, 1082,  708, 1043, 1041,  269,  859,  850,  270,  271,
- /*  1060 */  1030, 1029, 1026, 1084,   67,  132,  805, 1083,  804, 1039,
- /*  1070 */  1034,  737,  803, 1032, 1025, 1024, 1181,  736,  217,  735,
- /*  1080 */   734,  218, 1180,   36, 1172,   45,  219,  148,  297,    3,
- /*  1090 */   733,   65,   32,  732,  299,   14,  292,  151,  958,   15,
- /*  1100 */  1205,  147,  162,  295,   37,   11,  156,   19,   34,   48,
- /*  1110 */     8,  350,  894, 1171,  177,  998,  998,  998,  998,  998,
- /*  1120 */   998,  783,  998,  998,  998,  998,  998,  998,  980,  979,
- /*  1130 */   226,  984,  983,  227,  860,  998,  998,  998,  108,  998,
- /*  1140 */   998,  176,  998,  998,  998,  998,  998,  155,  998,  952,
- /*  1150 */    46,  998,  951,   47,  998,  768,  930,  929,  998,  985,
- /*  1160 */   998,  998,   35,  998,  998,  998,  998,  998,  876,  116,
- /*  1170 */    13,   18,   16,  170,  956,  998,  172,  174,  169,   49,
- /*  1180 */    50, 1204,  998,  998,   54,   38,  363, 1040,  240,  367,
- /*  1190 */  1028,  370,  373,  180,  998,  361,  998,  796,  376,  998,
- /*  1200 */   791,  365,  728,  788,  368, 1027,  785,  998,  798,  371,
- /*  1210 */   420,  720,  797,  779,  998,  998,  998,  727,  782,  998,
- /*  1220 */   726,  998,  998,  725,  724,  706,  781,  374,  391,  777,
- /*  1230 */   723,  722,  721,  377,  719, 1023,  718,  717,  413,  716,
- /*  1240 */   383,   55,   56,   57,  425,  715,  729,  714,  713,  421,
- /*  1250 */   712,  711,  412,  848,  188,  424,  998,  416,  417,  998,
- /*  1260 */   998,  414,  998,  998,  998,  780,
+ /*     0 */  1045, 1204,  225,   43,   24,  170,  362, 1200, 1206, 1095,
+ /*    10 */   250,  269,   89,   31,   29,   27,   26,   25,   20, 1204,
+ /*    20 */  1101,   27,   26,   25, 1084, 1200, 1205, 1106,   31,   29,
+ /*    30 */    27,   26,   25,  361, 1000,   78,  209,  869,   77,   76,
+ /*    40 */    75,   74,   73,   72,   71,   70,   69, 1091,  211,  414,
+ /*    50 */   413,  412,  411,  410,  409,  408,  407,  406,  405,  404,
+ /*    60 */   403,  402,  401,  400,  399,  398,  397,  396, 1003,  105,
+ /*    70 */   270, 1014,  881,   31,   29,   27,   26,   25, 1231,  132,
+ /*    80 */   904,  349,  111,  249,  237,  346, 1216, 1180,  275,   78,
+ /*    90 */   131,   22,   77,   76,   75,   74,   73,   72,   71,   70,
+ /*   100 */    69,   31,   29,   27,   26,   25, 1231, 1317,  211,  291,
+ /*   110 */   320,  286,  270,  346,  290,   44,  905,  289,  129,  287,
+ /*   120 */   117,  345,  288,  348, 1315,   23,  232, 1192,  899,  900,
+ /*   130 */   901,  902,  903,  907,  908,  909, 1082,  204, 1217, 1220,
+ /*   140 */   904,  772,  385,  384,  383,  776,  382,  778,  779,  381,
+ /*   150 */   781,  378,  109,  787,  375,  789,  790,  372,  369, 1151,
+ /*   160 */  1216,  849,  128, 1144,  305,  224,  125,   43,  326,  189,
+ /*   170 */  1149,  361, 1136,   30,   28,  941,  905,  847,  258,  242,
+ /*   180 */  1231,  234,  395,  849, 1102,   23,  232,  346,  899,  900,
+ /*   190 */   901,  902,  903,  907,  908,  909, 1204,  348,  361,  847,
+ /*   200 */   896, 1192, 1200, 1205,  306,  362,  334,  848,   12,  118,
+ /*   210 */    66,   61, 1217, 1220, 1256, 1216,  965,  279,  210, 1252,
+ /*   220 */  1168,   10,  122,  121,   30,   28, 1106,  120, 1317,  848,
+ /*   230 */  1317,    1,  234,  426,  849, 1231,  316,  963,  964,  966,
+ /*   240 */   967,  117,  333,  117, 1216, 1315,  245, 1315,   10,  324,
+ /*   250 */   847,  337,  348, 1171, 1173,  426, 1192,  349,  699,   12,
+ /*   260 */   698,  850,  853, 1181, 1231,  362,   62, 1217, 1220, 1256,
+ /*   270 */    66,  333,  283,  227, 1252,  112,  282,  285,  700,  330,
+ /*   280 */   848,  348,    1,  850,  853, 1192, 1106,  166,  118,    9,
+ /*   290 */     8,   59, 1216,  312, 1283,   62, 1217, 1220, 1256,  284,
+ /*   300 */    92,   93,  227, 1252,  112, 1317,  426,  330, 1098,  106,
+ /*   310 */  1073,  906, 1231,   31,   29,   27,   26,   25, 1316,  346,
+ /*   320 */    21, 1216, 1315, 1284,  395, 1270,   90,  871,   92,  348,
+ /*   330 */   910,  422,  421, 1192,  850,  853,  114, 1263, 1264,  870,
+ /*   340 */  1268, 1231, 1267,   62, 1217, 1220, 1256,  334,  346,  118,
+ /*   350 */   227, 1252, 1329,  698,   90, 1097, 1216,  867,  348,  917,
+ /*   360 */  1231, 1290, 1192,  868,  163, 1263,  329,  346,  328,  277,
+ /*   370 */   238, 1317,   62, 1217, 1220, 1256, 1231,  362,  104,  227,
+ /*   380 */  1252, 1329, 1103,  346,  117, 1216, 1108,  388, 1315, 1025,
+ /*   390 */  1313, 1093,  323,  348,   30,   28, 1192, 1192, 1106, 1024,
+ /*   400 */  1270,  336,  234,  104,  849, 1231, 1083,   62, 1217, 1220,
+ /*   410 */  1256, 1109,  346, 1151,  227, 1252, 1329, 1266,  362,  239,
+ /*   420 */   847, 1151,  348,  359, 1149, 1274, 1192,  246,  165,   12,
+ /*   430 */  1192,  334, 1149,   30,   28, 1015,  199, 1217, 1220, 1106,
+ /*   440 */  1192,  234, 1216,  849,  194, 1023, 1022, 1021,  137,  196,
+ /*   450 */   848,  135,    1, 1041,  319, 1317,   30,   28,  347,  847,
+ /*   460 */     6,  195, 1231,  392,  234, 1216,  849,  391,  117,  346,
+ /*   470 */  1020,  123, 1315, 1151,  118,  292,  426,  325,  321,  348,
+ /*   480 */  1019, 1018,  847, 1192, 1172, 1231, 1192, 1192, 1192,  848,
+ /*   490 */   393,    7,  346,   63, 1217, 1220, 1256, 1151,  872, 1089,
+ /*   500 */  1255, 1252,  348, 1048,  850,  853, 1192,  948, 1150,  390,
+ /*   510 */   389, 1192,  848,  869,    7,  426,   63, 1217, 1220, 1256,
+ /*   520 */   244, 1192, 1192,  344, 1252,   30,   28,  303,  104,   30,
+ /*   530 */    28,   64,  387,  234,  341,  849, 1108,  234,  426,  849,
+ /*   540 */   301, 1216, 1270,  850,  853, 1002,   31,   29,   27,   26,
+ /*   550 */    25,  847,  291,  936,  286,  847, 1017,  290,  118, 1265,
+ /*   560 */   289, 1231,  287,  118, 1216,  288,  850,  853,  346,   87,
+ /*   570 */    86,   85,   84,   83,   82,   81,   80,   79,  348,  867,
+ /*   580 */  1036,  848, 1192,    7, 1231,  848,  251,    1, 1074,  263,
+ /*   590 */  1016,  346,  107, 1217, 1220,  940,  429, 1192,  264,  151,
+ /*   600 */  1216,  348,  294,  167,  362, 1192,  247,  426,  342,  360,
+ /*   610 */   187,  426,  308,   88,  104,   63, 1217, 1220, 1256,  418,
+ /*   620 */  1231,  186, 1108, 1253,   98, 1106, 1013,  346,  317,  335,
+ /*   630 */  1330, 1192, 1034, 1012, 1011,  850,  853,  348,  362,  850,
+ /*   640 */   853, 1192, 1145,  184,  233,  362,   60, 1010, 1009,  182,
+ /*   650 */   248,  205, 1217, 1220,  297, 1008,  160, 1007, 1216, 1106,
+ /*   660 */  1275,  936, 1232, 1216,  276,  262, 1106, 1192,  257,  256,
+ /*   670 */   255,  254,  253,  338, 1192, 1192, 1006,  856, 1231,  139,
+ /*   680 */   358, 1216,  138, 1231,  141,  346, 1216,  140, 1192, 1192,
+ /*   690 */   346,  855,  994,  995,  311,  348, 1192,  147, 1192, 1192,
+ /*   700 */   348, 1231,  313,  330, 1192,  331, 1231,  859,  346,  205,
+ /*   710 */  1217, 1220, 1005,  346,  107, 1217, 1220, 1192,  348,    9,
+ /*   720 */     8,  858, 1192,  348,   92,  231,  867, 1192, 1216,  939,
+ /*   730 */   235, 1216,  205, 1217, 1220, 1286, 1216,  205, 1217, 1220,
+ /*   740 */    31,   29,   27,   26,   25,  339,  330, 1170, 1231,   52,
+ /*   750 */    90, 1231, 1331, 1192,  169,  346, 1231, 1081,  346,  332,
+ /*   760 */   113, 1263, 1264,  346, 1268,  348, 1099,   92,  348, 1192,
+ /*   770 */     2,  119, 1192,  348, 1216,  143,  260, 1192,  142,  203,
+ /*   780 */  1217, 1220,  206, 1217, 1220,  962,  156,  197, 1217, 1220,
+ /*   790 */   252,  259,  261,   90, 1231,  265, 1216,   41,  154,  881,
+ /*   800 */   911,  346, 1216,  115, 1263, 1264,  875, 1268,  997,  998,
+ /*   810 */   266,  348,   32,  267,  392, 1192, 1231,  124,  391,  874,
+ /*   820 */   878,   58, 1231,  346,  127,  207, 1217, 1220, 1210,  346,
+ /*   830 */  1216,   54,   32,  348,  842,  268, 1216, 1192,  271,  348,
+ /*   840 */  1208,  393,   42, 1192,  278,  130,   32,  198, 1217, 1220,
+ /*   850 */  1231,  873,   68,  208, 1217, 1220, 1231,  346,  175,  280,
+ /*   860 */   390,  389,  223,  346, 1216, 1096,  354,  348,  181,  134,
+ /*   870 */   173, 1192, 1092,  348,  765,  136,  100, 1192,   95,  101,
+ /*   880 */    96, 1228, 1217, 1220, 1231, 1094,   98, 1227, 1217, 1220,
+ /*   890 */   760,  346, 1216, 1090,  793,  797,  102,  803, 1216,  802,
+ /*   900 */   310,  348,   41,  103,  146, 1192,  367,   96,   99,   97,
+ /*   910 */   149,   98, 1231,  307,  309, 1226, 1217, 1220, 1231,  346,
+ /*   920 */    96,  872,  318, 1297, 1287,  346,  352,  152,  853,  348,
+ /*   930 */   315, 1296, 1216, 1192,  226,  348,    5,  159,  155, 1192,
+ /*   940 */  1216,  322,  327,  214, 1217, 1220,  241,  240, 1277,  213,
+ /*   950 */  1217, 1220, 1231,  314,    4,  161,  861,  936,   91,  346,
+ /*   960 */  1231,  871,  110, 1271,   33,  162,  228,  346, 1216,  348,
+ /*   970 */  1332,  340,  854, 1192,  296,  218,  343,  348,   17, 1238,
+ /*   980 */  1179, 1192,  168,  215, 1217, 1220,  350, 1314, 1231,  304,
+ /*   990 */   351,  212, 1217, 1220,  355,  346, 1178,  283,  356,  236,
+ /*  1000 */   177,  282,  857,  145,  357,  348,  299,  179,   53, 1192,
+ /*  1010 */    51,  293,  188,  219,  144,  217,  216,  190,  281,  202,
+ /*  1020 */  1217, 1220, 1107,  365,  284,  185,  425,  200,  363,  201,
+ /*  1030 */   192,  193, 1186,  825, 1163, 1162,   94, 1161, 1160,   40,
+ /*  1040 */  1159, 1158,   39, 1157, 1156,  827, 1155, 1154, 1153, 1152,
+ /*  1050 */  1047, 1185, 1176,  126, 1085,  711,  862,  853, 1046, 1044,
+ /*  1060 */   272,  273,  274, 1033, 1032, 1029, 1087,   67,  133,  808,
+ /*  1070 */  1086,  807, 1042, 1037,  740,  806, 1035,  739, 1028,  220,
+ /*  1080 */   738, 1027,  221,  737,  222, 1184, 1183,   36, 1175,  150,
+ /*  1090 */   300,  302,    3,  736,  735,   65,   45,   32,   14,  153,
+ /*  1100 */   295,   37,   15,  158,   19,  298, 1208,   34,   11,  164,
+ /*  1110 */    48,    8,   35,   16,  148,  897,  353, 1174,  180, 1001,
+ /*  1120 */  1001, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1001,
+ /*  1130 */   983,  982,  229,  987,  986,  230,  863, 1001, 1001, 1001,
+ /*  1140 */  1001, 1001, 1001,  178, 1001,  961, 1001,  108, 1001,  157,
+ /*  1150 */  1001,  955,   46, 1001,  954,  933, 1001,   47, 1001, 1001,
+ /*  1160 */   932, 1001,  988, 1001, 1001, 1001, 1001, 1001, 1001,  366,
+ /*  1170 */   879,   13,  116,   18,  243,  172,  959,  174,  176, 1001,
+ /*  1180 */   171,   49,   50, 1001, 1207,   38,  370, 1001,  373,  794,
+ /*  1190 */    54,  376,  771, 1001,  379,  183, 1001,  364,  799, 1001,
+ /*  1200 */  1001, 1001,  368,  731,  791,  371, 1043, 1001,  788,  723,
+ /*  1210 */  1001,  428,  423,  801,  374,  786,  800,  782, 1001, 1001,
+ /*  1220 */  1001,  730,  377,  729,  728,  709,  780,  727,  380,  394,
+ /*  1230 */   785,  726, 1031,  725,  724,  417,  722,  721, 1030, 1026,
+ /*  1240 */   416,  720,   55,   56,   57,  415,  420,  732,  719,  424,
+ /*  1250 */  1001,  851,  718,  717,  716,  386,  715,  784,  191,  783,
+ /*  1260 */   714,  419,  427,
 };
 static const YYCODETYPE yy_lookahead[] = {
  /*     0 */     0,  207,  190,  174,  221,  222,  172,  213,  214,  187,
@@ -423,49 +423,49 @@ static const YYCODETYPE yy_lookahead[] = {
  /*   810 */   211,  203,   83,  193,   57,  207,  186,  174,   61,   20,
  /*   820 */    71,   70,  186,  193,  174,  217,  218,  219,   70,  193,
  /*   830 */   166,   80,   83,  203,   71,  204,  166,  207,  172,  203,
- /*   840 */    82,   84,  174,  207,  168,   20,   83,  217,  218,  219,
- /*   850 */   186,  186,  172,  217,  218,  219,  186,  193,   71,  186,
+ /*   840 */    82,   84,  174,  207,  168,  174,   83,  217,  218,  219,
+ /*   850 */   186,   20,  172,  217,  218,  219,  186,  193,   71,  186,
  /*   860 */   103,  104,  168,  193,  166,  186,   71,  203,   71,  186,
  /*   870 */    83,  207,  186,  203,   71,  186,  186,  207,   83,  186,
  /*   880 */    83,  217,  218,  219,  186,  186,   83,  217,  218,  219,
  /*   890 */    71,  193,  166,  186,   71,   71,  186,   71,  166,   71,
- /*   900 */   204,  203,   83,  211,  171,  207,   83,   83,   71,   83,
- /*   910 */   193,   83,  186,   20,  145,  217,  218,  219,  186,  193,
- /*   920 */    83,  216,  144,  246,  208,  193,  207,  123,  246,  203,
- /*   930 */   208,  207,  166,  207,  207,  203,  152,  240,  243,  207,
- /*   940 */   166,  151,  242,  217,  218,  219,   12,   13,  140,  217,
- /*   950 */   218,  219,  186,  139,  136,  193,   22,   20,  215,  193,
- /*   960 */   186,  114,  239,  227,  252,  160,  257,  193,  166,  203,
- /*   970 */   154,  156,   38,  207,    4,   35,  251,  203,   70,  223,
- /*   980 */   208,  207,  207,  217,  218,  219,  207,  207,  186,   19,
- /*   990 */   208,  217,  218,  219,  118,  193,  205,   57,  204,  193,
- /*  1000 */   171,   61,   68,   33,  182,  203,   36,  172,   70,  207,
- /*  1010 */   193,   41,  171,   73,   44,   75,   76,  168,   78,  217,
- /*  1020 */   218,  219,  189,  180,   84,  180,  173,  164,   94,    0,
- /*  1030 */    82,    0,    0,  114,    0,    0,    0,    0,    0,   69,
- /*  1040 */     0,   22,   72,    0,    0,    0,    0,    0,    0,    0,
- /*  1050 */    43,    0,   48,    0,    0,   38,  122,  123,   36,   43,
- /*  1060 */     0,    0,    0,    0,   79,   77,   38,    0,   38,    0,
- /*  1070 */     0,   38,   22,    0,    0,    0,    0,   38,   22,   38,
- /*  1080 */    38,   22,    0,  121,    0,   70,   22,  116,   22,   83,
- /*  1090 */    38,   20,   83,   38,   22,  141,   39,   71,   71,  141,
- /*  1100 */    82,   43,   82,   38,   83,  141,   83,   83,  135,    4,
- /*  1110 */     2,  119,  126,    0,  116,  258,  258,  258,  258,  258,
- /*  1120 */   258,   96,  258,  258,  258,  258,  258,  258,   38,   38,
- /*  1130 */    38,   38,   38,   38,   22,  258,  258,  258,   70,  258,
- /*  1140 */   258,   43,  258,  258,  258,  258,  258,   70,  258,   71,
- /*  1150 */    70,  258,   71,   70,  258,   22,   71,   71,  258,   71,
- /*  1160 */   258,  258,   83,  258,  258,  258,  258,  258,   71,   82,
- /*  1170 */    70,   70,   83,   71,   71,  258,   70,   70,   82,   70,
- /*  1180 */    70,   82,  258,  258,   80,   70,   38,    0,   38,   38,
- /*  1190 */     0,   38,   38,   82,  258,   81,  258,   22,   38,  258,
- /*  1200 */    71,   70,   22,   71,   70,    0,   71,  258,   38,   70,
- /*  1210 */    22,   22,   38,   71,  258,  258,  258,   38,   96,  258,
- /*  1220 */    38,  258,  258,   38,   38,   48,   96,   70,   47,   71,
- /*  1230 */    38,   38,   38,   70,   38,    0,   38,   38,   36,   38,
- /*  1240 */    84,   70,   70,   70,   20,   38,   68,   38,   38,   21,
- /*  1250 */    38,   38,   38,   22,   22,   21,  258,   38,   37,  258,
- /*  1260 */   258,   43,  258,  258,  258,   96,  258,  258,  258,  258,
+ /*   900 */   204,  203,   83,  186,  171,  207,   83,   83,   71,   83,
+ /*   910 */   171,   83,  186,  211,  193,  217,  218,  219,  186,  193,
+ /*   920 */    83,   20,  145,  246,  216,  193,  144,  208,  123,  203,
+ /*   930 */   207,  246,  166,  207,  207,  203,  152,  242,  208,  207,
+ /*   940 */   166,  207,  151,  217,  218,  219,   12,   13,  243,  217,
+ /*   950 */   218,  219,  186,  140,  139,  239,   22,  136,  193,  193,
+ /*   960 */   186,   20,  240,  215,  114,  227,  160,  193,  166,  203,
+ /*   970 */   257,  154,   38,  207,    4,   35,  156,  203,   70,  223,
+ /*   980 */   208,  207,  251,  217,  218,  219,  207,  252,  186,   19,
+ /*   990 */   207,  217,  218,  219,  118,  193,  208,   57,  205,  207,
+ /*  1000 */   193,   61,   68,   33,  204,  203,   36,  171,   70,  207,
+ /*  1010 */   171,   41,  182,   73,   44,   75,   76,  172,   78,  217,
+ /*  1020 */   218,  219,  193,  189,   84,  171,  168,  180,   94,  180,
+ /*  1030 */   173,  164,    0,   82,    0,    0,  114,    0,    0,   69,
+ /*  1040 */     0,    0,   72,    0,    0,   22,    0,    0,    0,    0,
+ /*  1050 */     0,    0,    0,   43,    0,   48,  122,  123,    0,    0,
+ /*  1060 */    38,   36,   43,    0,    0,    0,    0,   79,   77,   38,
+ /*  1070 */     0,   38,    0,    0,   38,   22,    0,   38,    0,   22,
+ /*  1080 */    38,    0,   22,   38,   22,    0,    0,  121,    0,  116,
+ /*  1090 */    22,   22,   83,   38,   38,   20,   70,   83,  141,   71,
+ /*  1100 */    39,   83,  141,   83,   83,   38,   82,  135,  141,   82,
+ /*  1110 */     4,    2,   83,   83,   43,  126,  119,    0,  116,  258,
+ /*  1120 */   258,  258,  258,  258,  258,  258,  258,  258,  258,  258,
+ /*  1130 */    38,   38,   38,   38,   38,   38,   22,  258,  258,  258,
+ /*  1140 */   258,  258,  258,   43,  258,   71,  258,   70,  258,   70,
+ /*  1150 */   258,   71,   70,  258,   71,   71,  258,   70,  258,  258,
+ /*  1160 */    71,  258,   71,  258,  258,  258,  258,  258,  258,   38,
+ /*  1170 */    71,   70,   82,   70,   38,   71,   71,   70,   70,  258,
+ /*  1180 */    82,   70,   70,  258,   82,   70,   38,  258,   38,   71,
+ /*  1190 */    80,   38,   22,  258,   38,   82,  258,   81,   22,  258,
+ /*  1200 */   258,  258,   70,   22,   71,   70,    0,  258,   71,   22,
+ /*  1210 */   258,   20,   22,   38,   70,   96,   38,   71,  258,  258,
+ /*  1220 */   258,   38,   70,   38,   38,   48,   71,   38,   70,   47,
+ /*  1230 */    96,   38,    0,   38,   38,   43,   38,   38,    0,    0,
+ /*  1240 */    36,   38,   70,   70,   70,   38,   37,   68,   38,   21,
+ /*  1250 */   258,   22,   38,   38,   38,   84,   38,   96,   22,   96,
+ /*  1260 */    38,   38,   21,  258,  258,  258,  258,  258,  258,  258,
  /*  1270 */   258,  258,  258,  258,  258,  258,  258,  258,  258,  258,
  /*  1280 */   258,  258,  258,  258,  258,  258,  258,  258,  258,  258,
  /*  1290 */   258,  258,  258,  258,  258,  258,  258,  258,  258,  258,
@@ -481,11 +481,11 @@ static const YYCODETYPE yy_lookahead[] = {
  /*  1390 */   258,  258,  258,  258,  258,  258,  258,  258,  258,  258,
  /*  1400 */   258,  258,  258,  258,  258,  258,  258,  258,  258,  258,
  /*  1410 */   258,  258,  258,  258,  258,  258,  258,  258,  258,  258,
- /*  1420 */   258,  258,  258,  258,  258,  258,  258,  258,  258,
+ /*  1420 */   258,  258,  258,  258,  258,  258,
 };
-#define YY_SHIFT_COUNT    (426)
+#define YY_SHIFT_COUNT    (429)
 #define YY_SHIFT_MIN      (0)
-#define YY_SHIFT_MAX      (1235)
+#define YY_SHIFT_MAX      (1241)
 static const unsigned short int yy_shift_ofst[] = {
  /*     0 */   426,  212,  161,  382,  382,  382,  382,  421,  382,  382,
  /*    10 */   151,  513,  517,  444,  513,  513,  513,  513,  513,  513,
@@ -499,41 +499,41 @@ static const unsigned short int yy_shift_ofst[] = {
  /*    90 */   307,  307,  307,  136,  343,  319,   17,   17,   17,  306,
  /*   100 */    56,   56,   56,   56,   56,   68,  503,  534,   90,  215,
  /*   110 */   335,  331,  478,  525,  417,  525,  493,  248,  591,  706,
- /*   120 */   657,  661,  661,  706,  786,   66,  343,  799,   66,  706,
- /*   130 */    66,  825,   17,   17,   17,   17,   17,   17,   17,   17,
- /*   140 */    17,   17,   17,  706,  825,  786,  278,  343,  799,  893,
- /*   150 */   769,  778,  804,  769,  778,  804,  804,  784,  790,  808,
- /*   160 */   814,  818,  343,  937,  847,  805,  815,  816,  908,   17,
- /*   170 */   778,  804,  804,  778,  804,  876,  343,  799,  306,  278,
- /*   180 */   343,  938,  706,  278,  825, 1266, 1266, 1266, 1266,    0,
- /*   190 */   545,  577,   46,  970,   16,   89,  728,  406,  757,  301,
- /*   200 */   301,  301,  301,  301,  301,  301,  115,  288,  196,    7,
- /*   210 */     7,    7,    7,  374,  605,  610,  701,  453,  580,  632,
- /*   220 */   506,  541,  714,  715,  718,  647,  590,  451,  729,   74,
- /*   230 */   749,  758,  763,  787,  795,  797,  803,  639,  653,  819,
- /*   240 */   823,  824,  826,  828,  837,  751, 1029,  948, 1031, 1032,
- /*   250 */   919, 1034, 1035, 1036, 1037, 1038, 1040, 1019, 1043, 1044,
- /*   260 */  1045, 1046, 1047, 1048, 1049, 1007, 1051, 1004, 1053, 1054,
- /*   270 */  1017, 1022, 1016, 1060, 1061, 1062, 1063,  985,  988, 1028,
- /*   280 */  1030, 1050, 1067, 1033, 1039, 1041, 1042, 1052, 1055, 1069,
- /*   290 */  1056, 1070, 1059, 1057, 1073, 1064, 1065, 1074, 1066, 1075,
- /*   300 */  1072, 1071, 1076, 1082,  962, 1084, 1015, 1058,  971, 1006,
- /*   310 */  1009,  954, 1026, 1021, 1027, 1068, 1077, 1078, 1080, 1081,
- /*   320 */  1023, 1018, 1083, 1024,  958, 1085, 1086, 1020,  973, 1079,
- /*   330 */  1087, 1088, 1089,  964, 1105, 1090, 1091, 1092, 1093, 1094,
- /*   340 */  1095, 1108,  986, 1096, 1097, 1100, 1101, 1102, 1103, 1106,
- /*   350 */  1107,  992, 1109, 1113, 1098,  998, 1110, 1104, 1099, 1111,
- /*   360 */  1112, 1115, 1114, 1129, 1148, 1150, 1131, 1132, 1151, 1134,
- /*   370 */  1135, 1153, 1139, 1142, 1154, 1157, 1158, 1160, 1163, 1025,
- /*   380 */  1122, 1130, 1169, 1133, 1156, 1171, 1172, 1173, 1170, 1174,
- /*   390 */  1175, 1177, 1181, 1178, 1180, 1179, 1182, 1185, 1186, 1192,
- /*   400 */  1193, 1194, 1189, 1196, 1198, 1199, 1201, 1207, 1209, 1210,
- /*   410 */  1212, 1213, 1187, 1214, 1202, 1218, 1190, 1219, 1221, 1205,
- /*   420 */  1235, 1188, 1228, 1231, 1232, 1234, 1224,
+ /*   120 */   657,  661,  661,  706,  786,   66,  343,  799,   66,   66,
+ /*   130 */   706,   66,  831,   17,   17,   17,   17,   17,   17,   17,
+ /*   140 */    17,   17,   17,   17,  706,  831,  786,  278,  343,  799,
+ /*   150 */   278,  901,  777,  782,  805,  777,  782,  805,  805,  784,
+ /*   160 */   791,  813,  815,  821,  343,  941,  850,  806,  820,  817,
+ /*   170 */   908,   17,  782,  805,  805,  782,  805,  876,  343,  799,
+ /*   180 */   278,  306,  278,  343,  938,  706,  278,  831, 1263, 1263,
+ /*   190 */  1263, 1263,    0,  545,  577,   46,  970,   16,   89,  728,
+ /*   200 */   406,  757,  301,  301,  301,  301,  301,  301,  301,  115,
+ /*   210 */   288,  196,    7,    7,    7,    7,  374,  605,  610,  701,
+ /*   220 */   453,  580,  632,  506,  541,  714,  715,  718,  647,  590,
+ /*   230 */   451,  729,   74,  749,  758,  763,  787,  795,  797,  803,
+ /*   240 */   639,  653,  819,  823,  824,  826,  828,  837,  751, 1032,
+ /*   250 */   951, 1034, 1035,  922, 1037, 1038, 1040, 1041, 1043, 1044,
+ /*   260 */  1023, 1046, 1047, 1048, 1049, 1050, 1051, 1052, 1010, 1054,
+ /*   270 */  1007, 1058, 1059, 1022, 1025, 1019, 1063, 1064, 1065, 1066,
+ /*   280 */   988,  991, 1031, 1033, 1053, 1070, 1036, 1039, 1042, 1045,
+ /*   290 */  1055, 1056, 1072, 1057, 1073, 1060, 1061, 1076, 1062, 1067,
+ /*   300 */  1078, 1068, 1081, 1069, 1075, 1085, 1086,  966, 1088, 1026,
+ /*   310 */  1071,  973, 1009, 1014,  957, 1028, 1018, 1074, 1077, 1079,
+ /*   320 */  1080, 1082, 1083, 1020, 1024, 1087, 1021,  961, 1084, 1089,
+ /*   330 */  1027,  972, 1029, 1090, 1091, 1030,  967, 1106, 1092, 1093,
+ /*   340 */  1094, 1095, 1096, 1097, 1109,  989, 1098, 1099, 1101, 1103,
+ /*   350 */  1104, 1105, 1107, 1108,  997, 1111, 1117, 1100, 1002, 1112,
+ /*   360 */  1110, 1102, 1113, 1114, 1115, 1116, 1118, 1131, 1136, 1132,
+ /*   370 */  1133, 1148, 1135, 1137, 1150, 1144, 1146, 1153, 1152, 1155,
+ /*   380 */  1156, 1158, 1119, 1134, 1161, 1163, 1170, 1171, 1172, 1173,
+ /*   390 */  1174, 1175, 1178, 1176, 1177, 1182, 1179, 1181, 1183, 1185,
+ /*   400 */  1186, 1189, 1193, 1195, 1196, 1187, 1198, 1199, 1203, 1210,
+ /*   410 */  1214, 1215, 1216, 1218, 1222, 1206, 1207, 1204, 1192, 1232,
+ /*   420 */  1223, 1209, 1238, 1239, 1190, 1228, 1229, 1236, 1241, 1191,
 };
-#define YY_REDUCE_COUNT (188)
+#define YY_REDUCE_COUNT (191)
 #define YY_REDUCE_MIN   (-217)
-#define YY_REDUCE_MAX   (863)
+#define YY_REDUCE_MAX   (867)
 static const short yy_reduce_ofst[] = {
  /*     0 */  -129,   -6,   49,   78,  126,  155,  190,  219,  276,  299,
  /*    10 */   135,  375,  398,  434,  492,  -80,  497,  515,  520,  562,
@@ -547,58 +547,59 @@ static const short yy_reduce_ofst[] = {
  /*    90 */   110,  185,  327,  578,   27,   54,  217,  287,  311,  -10,
  /*   100 */  -178, -140,  204,  312,  345,  268,  412,  347,  381,  446,
  /*   110 */   415,  495,  519,  471,  471,  471,  476,  504,  533,  575,
- /*   120 */   589,  592,  593,  623,  599,  643,  620,  631,  650,  666,
- /*   130 */   668,  676,  665,  673,  679,  683,  686,  689,  690,  693,
- /*   140 */   699,  707,  710,  680,  694,  692,  733,  717,  696,  705,
- /*   150 */   677,  716,  719,  682,  722,  724,  727,  695,  700,  697,
- /*   160 */   723,  471,  762,  743,  736,  709,  712,  725,  756,  476,
- /*   170 */   772,  775,  779,  782,  780,  791,  806,  794,  822,  829,
- /*   180 */   817,  833,  835,  841,  849,  843,  845,  853,  863,
+ /*   120 */   589,  592,  593,  623,  599,  643,  620,  631,  650,  668,
+ /*   130 */   666,  671,  676,  673,  679,  683,  686,  689,  690,  693,
+ /*   140 */   699,  707,  710,  717,  680,  694,  702,  733,  721,  696,
+ /*   150 */   739,  708,  677,  719,  723,  685,  730,  727,  734,  705,
+ /*   160 */   695,  722,  716,  471,  765,  748,  738,  713,  735,  731,
+ /*   170 */   756,  476,  772,  779,  783,  788,  792,  793,  807,  800,
+ /*   180 */   836,  830,  839,  829,  834,  845,  854,  858,  847,  849,
+ /*   190 */   857,  867,
 };
 static const YYACTIONTYPE yy_default[] = {
- /*     0 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*    10 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*    20 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*    30 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*    40 */   996,  996,  996,  996, 1049,  996,  996,  996,  996,  996,
- /*    50 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*    60 */  1047,  996, 1255,  996, 1161,  996,  996,  996,  996,  996,
- /*    70 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*    80 */   996,  996,  996,  996,  996,  996,  996,  996,  996, 1049,
- /*    90 */  1266, 1266, 1266, 1047,  996,  996,  996,  996,  996, 1132,
- /*   100 */   996,  996,  996,  996,  996,  996,  996, 1330,  996, 1085,
- /*   110 */  1290,  996, 1282, 1258, 1272, 1259,  996, 1315, 1275,  996,
- /*   120 */  1166, 1163, 1163,  996,  996, 1049,  996,  996, 1049,  996,
- /*   130 */  1049,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   140 */   996,  996,  996,  996,  996,  996, 1047,  996,  996,  996,
- /*   150 */  1297, 1295,  996, 1297, 1295,  996,  996, 1309, 1305, 1288,
- /*   160 */  1286, 1272,  996,  996,  996, 1333, 1321, 1317,  996,  996,
- /*   170 */  1295,  996,  996, 1295,  996, 1174,  996,  996,  996, 1047,
- /*   180 */   996, 1101,  996, 1047,  996, 1135, 1135, 1050, 1001,  996,
- /*   190 */   996,  996,  996,  996,  996,  996,  996,  996,  996, 1227,
- /*   200 */  1308, 1307, 1226, 1232, 1231, 1230,  996,  996,  996, 1221,
- /*   210 */  1222, 1220, 1219,  996,  996,  996,  996,  996,  996,  996,
- /*   220 */   996,  996,  996,  996, 1256,  996, 1318, 1322,  996,  996,
- /*   230 */   996, 1206,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   240 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   250 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   260 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   270 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   280 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   290 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   300 */   996,  996,  996,  996,  996,  996,  996,  996,  996, 1279,
- /*   310 */  1289,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   320 */   996, 1206,  996, 1306,  996, 1265, 1261,  996,  996, 1257,
- /*   330 */   996,  996, 1316,  996,  996,  996,  996,  996,  996,  996,
- /*   340 */   996, 1251,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   350 */   996,  996,  996,  996,  996,  996,  996,  996, 1205,  996,
- /*   360 */   996,  996,  996,  996,  996,  996, 1129,  996,  996,  996,
- /*   370 */   996,  996,  996,  996,  996,  996,  996,  996,  996, 1114,
- /*   380 */  1112, 1111, 1110,  996, 1107,  996,  996,  996,  996,  996,
- /*   390 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   400 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   410 */   996,  996,  996,  996,  996,  996,  996,  996,  996,  996,
- /*   420 */   996,  996,  996,  996,  996,  996,  996,
+ /*     0 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*    10 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*    20 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*    30 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*    40 */   999,  999,  999,  999, 1052,  999,  999,  999,  999,  999,
+ /*    50 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*    60 */  1050,  999, 1258,  999, 1164,  999,  999,  999,  999,  999,
+ /*    70 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*    80 */   999,  999,  999,  999,  999,  999,  999,  999,  999, 1052,
+ /*    90 */  1269, 1269, 1269, 1050,  999,  999,  999,  999,  999, 1135,
+ /*   100 */   999,  999,  999,  999,  999,  999,  999, 1333,  999, 1088,
+ /*   110 */  1293,  999, 1285, 1261, 1275, 1262,  999, 1318, 1278,  999,
+ /*   120 */  1169, 1166, 1166,  999,  999, 1052,  999,  999, 1052, 1052,
+ /*   130 */   999, 1052,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   140 */   999,  999,  999,  999,  999,  999,  999, 1050,  999,  999,
+ /*   150 */  1050,  999, 1300, 1298,  999, 1300, 1298,  999,  999, 1312,
+ /*   160 */  1308, 1291, 1289, 1275,  999,  999,  999, 1336, 1324, 1320,
+ /*   170 */   999,  999, 1298,  999,  999, 1298,  999, 1177,  999,  999,
+ /*   180 */  1050,  999, 1050,  999, 1104,  999, 1050,  999, 1138, 1138,
+ /*   190 */  1053, 1004,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   200 */   999,  999, 1230, 1311, 1310, 1229, 1235, 1234, 1233,  999,
+ /*   210 */   999,  999, 1224, 1225, 1223, 1222,  999,  999,  999,  999,
+ /*   220 */   999,  999,  999,  999,  999,  999,  999, 1259,  999, 1321,
+ /*   230 */  1325,  999,  999,  999, 1209,  999,  999,  999,  999,  999,
+ /*   240 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   250 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   260 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   270 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   280 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   290 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   300 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   310 */   999,  999, 1282, 1292,  999,  999,  999,  999,  999,  999,
+ /*   320 */   999,  999,  999,  999, 1209,  999, 1309,  999, 1268, 1264,
+ /*   330 */   999,  999, 1260,  999,  999, 1319,  999,  999,  999,  999,
+ /*   340 */   999,  999,  999,  999, 1254,  999,  999,  999,  999,  999,
+ /*   350 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   360 */   999, 1208,  999,  999,  999,  999,  999,  999,  999, 1132,
+ /*   370 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   380 */   999,  999, 1117, 1115, 1114, 1113,  999, 1110,  999,  999,
+ /*   390 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   400 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   410 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
+ /*   420 */   999,  999,  999,  999,  999,  999,  999,  999,  999,  999,
 };
 /********** End of lemon-generated parsing tables *****************************/
 
@@ -1142,9 +1143,9 @@ static const char *const yyRuleName[] = {
  /* 169 */ "func_name_list ::= func_name",
  /* 170 */ "func_name_list ::= func_name_list NK_COMMA col_name",
  /* 171 */ "func_name ::= function_name",
- /* 172 */ "cmd ::= CREATE SMA INDEX index_name ON table_name index_options",
- /* 173 */ "cmd ::= CREATE FULLTEXT INDEX index_name ON table_name NK_LP col_name_list NK_RP",
- /* 174 */ "cmd ::= DROP INDEX index_name ON table_name",
+ /* 172 */ "cmd ::= CREATE SMA INDEX not_exists_opt index_name ON table_name index_options",
+ /* 173 */ "cmd ::= CREATE FULLTEXT INDEX not_exists_opt index_name ON table_name NK_LP col_name_list NK_RP",
+ /* 174 */ "cmd ::= DROP INDEX exists_opt index_name ON table_name",
  /* 175 */ "index_options ::=",
  /* 176 */ "index_options ::= FUNCTION NK_LP func_list NK_RP INTERVAL NK_LP duration_literal NK_RP sliding_opt",
  /* 177 */ "index_options ::= FUNCTION NK_LP func_list NK_RP INTERVAL NK_LP duration_literal NK_COMMA duration_literal NK_RP sliding_opt",
@@ -2042,9 +2043,9 @@ static const struct {
   {  195,   -1 }, /* (169) func_name_list ::= func_name */
   {  195,   -3 }, /* (170) func_name_list ::= func_name_list NK_COMMA col_name */
   {  202,   -1 }, /* (171) func_name ::= function_name */
-  {  163,   -7 }, /* (172) cmd ::= CREATE SMA INDEX index_name ON table_name index_options */
-  {  163,   -9 }, /* (173) cmd ::= CREATE FULLTEXT INDEX index_name ON table_name NK_LP col_name_list NK_RP */
-  {  163,   -5 }, /* (174) cmd ::= DROP INDEX index_name ON table_name */
+  {  163,   -8 }, /* (172) cmd ::= CREATE SMA INDEX not_exists_opt index_name ON table_name index_options */
+  {  163,  -10 }, /* (173) cmd ::= CREATE FULLTEXT INDEX not_exists_opt index_name ON table_name NK_LP col_name_list NK_RP */
+  {  163,   -6 }, /* (174) cmd ::= DROP INDEX exists_opt index_name ON table_name */
   {  205,    0 }, /* (175) index_options ::= */
   {  205,   -9 }, /* (176) index_options ::= FUNCTION NK_LP func_list NK_RP INTERVAL NK_LP duration_literal NK_RP sliding_opt */
   {  205,  -11 }, /* (177) index_options ::= FUNCTION NK_LP func_list NK_RP INTERVAL NK_LP duration_literal NK_COMMA duration_literal NK_RP sliding_opt */
@@ -2840,14 +2841,14 @@ static YYACTIONTYPE yy_reduce(
 { yylhsminor.yy140 = createFunctionNode(pCxt, &yymsp[0].minor.yy149, NULL); }
   yymsp[0].minor.yy140 = yylhsminor.yy140;
         break;
-      case 172: /* cmd ::= CREATE SMA INDEX index_name ON table_name index_options */
-{ pCxt->pRootNode = createCreateIndexStmt(pCxt, INDEX_TYPE_SMA, &yymsp[-3].minor.yy149, &yymsp[-1].minor.yy149, NULL, yymsp[0].minor.yy140); }
+      case 172: /* cmd ::= CREATE SMA INDEX not_exists_opt index_name ON table_name index_options */
+{ pCxt->pRootNode = createCreateIndexStmt(pCxt, INDEX_TYPE_SMA, yymsp[-4].minor.yy497, &yymsp[-3].minor.yy149, &yymsp[-1].minor.yy149, NULL, yymsp[0].minor.yy140); }
         break;
-      case 173: /* cmd ::= CREATE FULLTEXT INDEX index_name ON table_name NK_LP col_name_list NK_RP */
-{ pCxt->pRootNode = createCreateIndexStmt(pCxt, INDEX_TYPE_FULLTEXT, &yymsp[-5].minor.yy149, &yymsp[-3].minor.yy149, yymsp[-1].minor.yy136, NULL); }
+      case 173: /* cmd ::= CREATE FULLTEXT INDEX not_exists_opt index_name ON table_name NK_LP col_name_list NK_RP */
+{ pCxt->pRootNode = createCreateIndexStmt(pCxt, INDEX_TYPE_FULLTEXT, yymsp[-6].minor.yy497, &yymsp[-5].minor.yy149, &yymsp[-3].minor.yy149, yymsp[-1].minor.yy136, NULL); }
         break;
-      case 174: /* cmd ::= DROP INDEX index_name ON table_name */
-{ pCxt->pRootNode = createDropIndexStmt(pCxt, &yymsp[-2].minor.yy149, &yymsp[0].minor.yy149); }
+      case 174: /* cmd ::= DROP INDEX exists_opt index_name ON table_name */
+{ pCxt->pRootNode = createDropIndexStmt(pCxt, yymsp[-3].minor.yy497, &yymsp[-2].minor.yy149, &yymsp[0].minor.yy149); }
         break;
       case 176: /* index_options ::= FUNCTION NK_LP func_list NK_RP INTERVAL NK_LP duration_literal NK_RP sliding_opt */
 { yymsp[-8].minor.yy140 = createIndexOption(pCxt, yymsp[-6].minor.yy136, releaseRawExprNode(pCxt, yymsp[-2].minor.yy140), NULL, yymsp[0].minor.yy140); }

source/libs/qworker/src/qworker.c

@@ -951,7 +951,6 @@ int32_t qwProcessQuery(QW_FPARAMS_DEF, SQWMsg *qwMsg, int8_t taskType) {
   atomic_store_ptr(&ctx->connInfo.ahandle, qwMsg->connInfo.ahandle);
 
   QW_TASK_DLOGL("subplan json string, len:%d, %s", qwMsg->msgLen, qwMsg->msg);
-  
   code = qStringToSubplan(qwMsg->msg, &plan);
   if (TSDB_CODE_SUCCESS != code) {
     QW_TASK_ELOG("task string to subplan failed, code:%x - %s", code, tstrerror(code));

source/libs/sync/inc/syncRaftEntry.h

@@ -27,6 +27,12 @@ extern "C" {
 #include "syncMessage.h"
 #include "taosdef.h"
 
+typedef enum EntryType {
+  SYNC_RAFT_ENTRY_NOOP = 0,
+  SYNC_RAFT_ENTRY_DATA = 1,
+  SYNC_RAFT_ENTRY_CONFIG = 2,
+} EntryType;
+
 typedef struct SSyncRaftEntry {
   uint32_t  bytes;
   uint32_t  msgType;
@@ -35,12 +41,15 @@ typedef struct SSyncRaftEntry {
   bool      isWeak;
   SyncTerm  term;
   SyncIndex index;
+  EntryType entryType;
   uint32_t  dataLen;
   char      data[];
 } SSyncRaftEntry;
 
 SSyncRaftEntry* syncEntryBuild(uint32_t dataLen);
 SSyncRaftEntry* syncEntryBuild2(SyncClientRequest* pMsg, SyncTerm term, SyncIndex index);  // step 4
+SSyncRaftEntry* syncEntryBuild3(SyncClientRequest* pMsg, SyncTerm term, SyncIndex index, EntryType entryType);
+SSyncRaftEntry* syncEntryBuildNoop(SyncTerm term, SyncIndex index);
 void            syncEntryDestory(SSyncRaftEntry* pEntry);
 char*           syncEntrySerialize(const SSyncRaftEntry* pEntry, uint32_t* len);  // step 5
 SSyncRaftEntry* syncEntryDeserialize(const char* buf, uint32_t len);              // step 6

source/libs/sync/src/syncAppendEntries.c

@@ -199,6 +199,9 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
             SSyncRaftEntry* pRollBackEntry = logStoreGetEntry(ths->pLogStore, index);
             assert(pRollBackEntry != NULL);
 
+            // maybe is a NOOP ENTRY
+            // assert(pRollBackEntry->entryType == SYNC_RAFT_ENTRY_DATA);
+
             SRpcMsg rpcMsg;
             syncEntry2OriginalRpc(pRollBackEntry, &rpcMsg);
             ths->pFsm->FpRollBackCb(ths->pFsm, &rpcMsg, pRollBackEntry->index, pRollBackEntry->isWeak, 0, ths->state);
@@ -217,7 +220,7 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
         SRpcMsg rpcMsg;
         syncEntry2OriginalRpc(pAppendEntry, &rpcMsg);
         if (ths->pFsm != NULL) {
-          if (ths->pFsm->FpPreCommitCb != NULL) {
+          if (ths->pFsm->FpPreCommitCb != NULL && pAppendEntry->entryType == SYNC_RAFT_ENTRY_DATA) {
             ths->pFsm->FpPreCommitCb(ths->pFsm, &rpcMsg, pAppendEntry->index, pAppendEntry->isWeak, 2, ths->state);
           }
         }
@@ -242,7 +245,7 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
       SRpcMsg rpcMsg;
       syncEntry2OriginalRpc(pAppendEntry, &rpcMsg);
       if (ths->pFsm != NULL) {
-        if (ths->pFsm->FpPreCommitCb != NULL) {
+        if (ths->pFsm->FpPreCommitCb != NULL && pAppendEntry->entryType == SYNC_RAFT_ENTRY_DATA) {
           ths->pFsm->FpPreCommitCb(ths->pFsm, &rpcMsg, pAppendEntry->index, pAppendEntry->isWeak, 3, ths->state);
         }
       }
@@ -298,7 +301,7 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
               SRpcMsg rpcMsg;
               syncEntry2OriginalRpc(pEntry, &rpcMsg);
 
-              if (ths->pFsm->FpCommitCb != NULL) {
+              if (ths->pFsm->FpCommitCb != NULL && pEntry->entryType == SYNC_RAFT_ENTRY_DATA) {
                 ths->pFsm->FpCommitCb(ths->pFsm, &rpcMsg, pEntry->index, pEntry->isWeak, 0, ths->state);
               }
 

source/libs/sync/src/syncCommit.c

@@ -97,7 +97,7 @@ void syncMaybeAdvanceCommitIndex(SSyncNode* pSyncNode) {
           SRpcMsg rpcMsg;
           syncEntry2OriginalRpc(pEntry, &rpcMsg);
 
-          if (pSyncNode->pFsm->FpCommitCb != NULL) {
+          if (pSyncNode->pFsm->FpCommitCb != NULL && pEntry->entryType == SYNC_RAFT_ENTRY_DATA) {
             pSyncNode->pFsm->FpCommitCb(pSyncNode->pFsm, &rpcMsg, pEntry->index, pEntry->isWeak, 0, pSyncNode->state);
           }
 

source/libs/sync/src/syncIO.c

@@ -29,7 +29,7 @@ static int32_t  syncIODestroy(SSyncIO *io);
 static int32_t  syncIOStartInternal(SSyncIO *io);
 static int32_t  syncIOStopInternal(SSyncIO *io);
 
-static void *  syncIOConsumerFunc(void *param);
+static void   *syncIOConsumerFunc(void *param);
 static void    syncIOProcessRequest(void *pParent, SRpcMsg *pMsg, SEpSet *pEpSet);
 static void    syncIOProcessReply(void *pParent, SRpcMsg *pMsg, SEpSet *pEpSet);
 static int32_t syncIOAuth(void *parent, char *meterId, char *spi, char *encrypt, char *secret, char *ckey);
@@ -75,6 +75,7 @@ int32_t syncIOSendMsg(void *clientRpc, const SEpSet *pEpSet, SRpcMsg *pMsg) {
   syncRpcMsgPrint2(logBuf, pMsg);
 
   pMsg->handle = NULL;
+  pMsg->noResp = 1;
   rpcSendRequest(clientRpc, pEpSet, pMsg, NULL);
   return ret;
 }
@@ -234,9 +235,9 @@ static int32_t syncIOStopInternal(SSyncIO *io) {
 }
 
 static void *syncIOConsumerFunc(void *param) {
-  SSyncIO *  io = param;
+  SSyncIO   *io = param;
   STaosQall *qall;
-  SRpcMsg *  pRpcMsg, rpcMsg;
+  SRpcMsg   *pRpcMsg, rpcMsg;
   qall = taosAllocateQall();
 
   while (1) {
@@ -324,6 +325,7 @@ static void *syncIOConsumerFunc(void *param) {
       taosGetQitem(qall, (void **)&pRpcMsg);
       rpcFreeCont(pRpcMsg->pCont);
 
+      /*
             if (pRpcMsg->handle != NULL) {
               int msgSize = 32;
               memset(&rpcMsg, 0, sizeof(rpcMsg));
@@ -337,6 +339,7 @@ static void *syncIOConsumerFunc(void *param) {
               syncRpcMsgPrint2((char *)"syncIOConsumerFunc rpcSendResponse --> ", &rpcMsg);
               rpcSendResponse(&rpcMsg);
             }
+      */
 
       taosFreeQitem(pRpcMsg);
     }

source/libs/sync/src/syncMain.c

@@ -40,8 +40,10 @@ static int32_t tsNodeRefId = -1;
 static void    syncNodeEqPingTimer(void* param, void* tmrId);
 static void    syncNodeEqElectTimer(void* param, void* tmrId);
 static void    syncNodeEqHeartbeatTimer(void* param, void* tmrId);
+static int32_t syncNodeEqNoop(SSyncNode* ths);
+static int32_t syncNodeAppendNoop(SSyncNode* ths);
 
-// on message ----
+// process message ----
 static int32_t syncNodeOnPingCb(SSyncNode* ths, SyncPing* pMsg);
 static int32_t syncNodeOnPingReplyCb(SSyncNode* ths, SyncPingReply* pMsg);
 static int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg);
@@ -669,6 +671,10 @@ void syncNodeCandidate2Leader(SSyncNode* pSyncNode) {
   assert(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
   assert(voteGrantedMajority(pSyncNode->pVotesGranted));
   syncNodeBecomeLeader(pSyncNode);
+
+  // Raft 3.6.2 Committing entries from previous terms
+  syncNodeAppendNoop(pSyncNode);
+  // syncNodeEqNoop(pSyncNode);
 }
 
 void syncNodeFollower2Candidate(SSyncNode* pSyncNode) {
@@ -803,6 +809,47 @@ static void syncNodeEqHeartbeatTimer(void* param, void* tmrId) {
   }
 }
 
+static int32_t syncNodeEqNoop(SSyncNode* ths) {
+  int32_t ret = 0;
+  assert(ths->state == TAOS_SYNC_STATE_LEADER);
+
+  SyncIndex       index = ths->pLogStore->getLastIndex(ths->pLogStore) + 1;
+  SyncTerm        term = ths->pRaftStore->currentTerm;
+  SSyncRaftEntry* pEntry = syncEntryBuildNoop(term, index);
+  assert(pEntry != NULL);
+
+  uint32_t           entryLen;
+  char*              serialized = syncEntrySerialize(pEntry, &entryLen);
+  SyncClientRequest* pSyncMsg = syncClientRequestBuild(entryLen);
+  assert(pSyncMsg->dataLen == entryLen);
+  memcpy(pSyncMsg->data, serialized, entryLen);
+
+  SRpcMsg rpcMsg;
+  syncClientRequest2RpcMsg(pSyncMsg, &rpcMsg);
+  ths->FpEqMsg(ths->queue, &rpcMsg);
+
+  free(serialized);
+  syncClientRequestDestroy(pSyncMsg);
+
+  return ret;
+}
+
+static int32_t syncNodeAppendNoop(SSyncNode* ths) {
+  int32_t ret = 0;
+
+  SyncIndex       index = ths->pLogStore->getLastIndex(ths->pLogStore) + 1;
+  SyncTerm        term = ths->pRaftStore->currentTerm;
+  SSyncRaftEntry* pEntry = syncEntryBuildNoop(term, index);
+  assert(pEntry != NULL);
+
+  if (ths->state == TAOS_SYNC_STATE_LEADER) {
+    ths->pLogStore->appendEntry(ths->pLogStore, pEntry);
+    syncNodeReplicate(ths);
+  }
+
+  return ret;
+}
+
 // on message ----
 static int32_t syncNodeOnPingCb(SSyncNode* ths, SyncPing* pMsg) {
   int32_t ret = 0;
@@ -851,7 +898,7 @@ static int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg
     syncEntry2OriginalRpc(pEntry, &rpcMsg);
 
     if (ths->pFsm != NULL) {
-      if (ths->pFsm->FpPreCommitCb != NULL) {
+      if (ths->pFsm->FpPreCommitCb != NULL && pEntry->entryType == SYNC_RAFT_ENTRY_DATA) {
         ths->pFsm->FpPreCommitCb(ths->pFsm, &rpcMsg, pEntry->index, pEntry->isWeak, 0, ths->state);
       }
     }
@@ -866,7 +913,7 @@ static int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg
     syncEntry2OriginalRpc(pEntry, &rpcMsg);
 
     if (ths->pFsm != NULL) {
-      if (ths->pFsm->FpPreCommitCb != NULL) {
+      if (ths->pFsm->FpPreCommitCb != NULL && pEntry->entryType == SYNC_RAFT_ENTRY_DATA) {
         ths->pFsm->FpPreCommitCb(ths->pFsm, &rpcMsg, pEntry->index, pEntry->isWeak, 1, ths->state);
       }
     }

source/libs/sync/src/syncRaftEntry.c

@@ -28,6 +28,13 @@ SSyncRaftEntry* syncEntryBuild(uint32_t dataLen) {
 
 // step 4. SyncClientRequest => SSyncRaftEntry, add term, index
 SSyncRaftEntry* syncEntryBuild2(SyncClientRequest* pMsg, SyncTerm term, SyncIndex index) {
+  SSyncRaftEntry* pEntry = syncEntryBuild3(pMsg, term, index, SYNC_RAFT_ENTRY_DATA);
+  assert(pEntry != NULL);
+
+  return pEntry;
+}
+
+SSyncRaftEntry* syncEntryBuild3(SyncClientRequest* pMsg, SyncTerm term, SyncIndex index, EntryType entryType) {
   SSyncRaftEntry* pEntry = syncEntryBuild(pMsg->dataLen);
   assert(pEntry != NULL);
 
@@ -37,12 +44,23 @@ SSyncRaftEntry* syncEntryBuild2(SyncClientRequest* pMsg, SyncTerm term, SyncInde
   pEntry->isWeak = pMsg->isWeak;
   pEntry->term = term;
   pEntry->index = index;
+  pEntry->entryType = entryType;
   pEntry->dataLen = pMsg->dataLen;
   memcpy(pEntry->data, pMsg->data, pMsg->dataLen);
 
   return pEntry;
 }
 
+SSyncRaftEntry* syncEntryBuildNoop(SyncTerm term, SyncIndex index) {
+  SSyncRaftEntry* pEntry = syncEntryBuild(0);
+  assert(pEntry != NULL);
+  pEntry->term = term;
+  pEntry->index = index;
+  pEntry->entryType = SYNC_RAFT_ENTRY_NOOP;
+
+  return pEntry;
+}
+
 void syncEntryDestory(SSyncRaftEntry* pEntry) {
   if (pEntry != NULL) {
     free(pEntry);
@@ -85,6 +103,7 @@ cJSON* syncEntry2Json(const SSyncRaftEntry* pEntry) {
     cJSON_AddStringToObject(pRoot, "term", u64buf);
     snprintf(u64buf, sizeof(u64buf), "%lu", pEntry->index);
     cJSON_AddStringToObject(pRoot, "index", u64buf);
+    cJSON_AddNumberToObject(pRoot, "entryType", pEntry->entryType);
     cJSON_AddNumberToObject(pRoot, "dataLen", pEntry->dataLen);
 
     char* s;

source/libs/sync/src/syncRaftLog.c

@@ -34,7 +34,7 @@ SSyncLogStore* logStoreCreate(SSyncNode* pSyncNode) {
   pLogStore->getLastTerm = logStoreLastTerm;
   pLogStore->updateCommitIndex = logStoreUpdateCommitIndex;
   pLogStore->getCommitIndex = logStoreGetCommitIndex;
-  return pLogStore;  // to avoid compiler error
+  return pLogStore;
 }
 
 void logStoreDestory(SSyncLogStore* pLogStore) {
@@ -48,18 +48,22 @@ int32_t logStoreAppendEntry(SSyncLogStore* pLogStore, SSyncRaftEntry* pEntry) {
   SSyncLogStoreData* pData = pLogStore->data;
   SWal*              pWal = pData->pWal;
 
-  assert(pEntry->index == logStoreLastIndex(pLogStore) + 1);
+  SyncIndex lastIndex = logStoreLastIndex(pLogStore);
+  assert(pEntry->index == lastIndex + 1);
   uint32_t len;
   char*    serialized = syncEntrySerialize(pEntry, &len);
   assert(serialized != NULL);
 
-  int code;
-  code = walWrite(pWal, pEntry->index, pEntry->msgType, serialized, len);
+  int code = 0;
+  /*
+    code = walWrite(pWal, pEntry->index, pEntry->entryType, serialized, len);
     assert(code == 0);
+  */
+  assert(walWrite(pWal, pEntry->index, pEntry->entryType, serialized, len) == 0);
 
   walFsync(pWal, true);
   free(serialized);
-  return code;  // to avoid compiler error
+  return code;
 }
 
 SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
@@ -69,7 +73,7 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
 
   if (index >= SYNC_INDEX_BEGIN && index <= logStoreLastIndex(pLogStore)) {
     SWalReadHandle* pWalHandle = walOpenReadHandle(pWal);
-    walReadWithHandle(pWalHandle, index);
+    assert(walReadWithHandle(pWalHandle, index) == 0);
     pEntry = syncEntryDeserialize(pWalHandle->pHead->head.body, pWalHandle->pHead->head.len);
     assert(pEntry != NULL);
 
@@ -83,7 +87,7 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
 int32_t logStoreTruncate(SSyncLogStore* pLogStore, SyncIndex fromIndex) {
   SSyncLogStoreData* pData = pLogStore->data;
   SWal*              pWal = pData->pWal;
-  walRollback(pWal, fromIndex);
+  assert(walRollback(pWal, fromIndex) == 0);
   return 0;  // to avoid compiler error
 }
 
@@ -107,7 +111,7 @@ SyncTerm logStoreLastTerm(SSyncLogStore* pLogStore) {
 int32_t logStoreUpdateCommitIndex(SSyncLogStore* pLogStore, SyncIndex index) {
   SSyncLogStoreData* pData = pLogStore->data;
   SWal*              pWal = pData->pWal;
-  walCommit(pWal, index);
+  assert(walCommit(pWal, index) == 0);
   return 0;  // to avoid compiler error
 }
 

source/libs/sync/test/CMakeLists.txt

@@ -34,6 +34,7 @@ add_executable(syncEncodeTest "")
 add_executable(syncWriteTest "")
 add_executable(syncReplicateTest "")
 add_executable(syncReplicateTest2 "")
+add_executable(syncReplicateTest3 "")
 add_executable(syncReplicateLoadTest "")
 add_executable(syncRefTest "")
 add_executable(syncLogStoreCheck "")
@@ -183,6 +184,10 @@ target_sources(syncReplicateTest2
     PRIVATE
     "syncReplicateTest2.cpp"
 )
+target_sources(syncReplicateTest3
+    PRIVATE
+    "syncReplicateTest3.cpp"
+)
 target_sources(syncReplicateLoadTest
     PRIVATE
     "syncReplicateLoadTest.cpp"
@@ -377,6 +382,11 @@ target_include_directories(syncReplicateTest2
     "${CMAKE_SOURCE_DIR}/include/libs/sync"
     "${CMAKE_CURRENT_SOURCE_DIR}/../inc"
 )
+target_include_directories(syncReplicateTest3
+    PUBLIC
+    "${CMAKE_SOURCE_DIR}/include/libs/sync"
+    "${CMAKE_CURRENT_SOURCE_DIR}/../inc"
+)
 target_include_directories(syncReplicateLoadTest
     PUBLIC
     "${CMAKE_SOURCE_DIR}/include/libs/sync"
@@ -538,6 +548,10 @@ target_link_libraries(syncReplicateTest2
     sync
     gtest_main
 )
+target_link_libraries(syncReplicateTest3
+    sync
+    gtest_main
+)
 target_link_libraries(syncReplicateLoadTest
     sync
     gtest_main

source/libs/sync/test/syncEntryTest.cpp

@@ -46,6 +46,20 @@ void test2() {
 }
 
 void test3() {
+  SyncClientRequest* pSyncMsg = syncClientRequestBuild(10);
+  pSyncMsg->originalRpcType = 33;
+  pSyncMsg->seqNum = 11;
+  pSyncMsg->isWeak = 1;
+  strcpy(pSyncMsg->data, "test3");
+
+  SSyncRaftEntry* pEntry = syncEntryBuild3(pSyncMsg, 100, 200, SYNC_RAFT_ENTRY_NOOP);
+  syncEntryPrint(pEntry);
+
+  syncClientRequestDestroy(pSyncMsg);
+  syncEntryDestory(pEntry);
+}
+
+void test4() {
   SSyncRaftEntry* pEntry = syncEntryBuild(10);
   assert(pEntry != NULL);
   pEntry->msgType = 11;
@@ -54,7 +68,8 @@ void test3() {
   pEntry->isWeak = true;
   pEntry->term = 44;
   pEntry->index = 55;
-  strcpy(pEntry->data, "test3");
+  pEntry->entryType = SYNC_RAFT_ENTRY_CONFIG;
+  strcpy(pEntry->data, "test4");
   syncEntryPrint(pEntry);
 
   uint32_t len;
@@ -76,6 +91,7 @@ int main(int argc, char** argv) {
   test1();
   test2();
   test3();
+  test4();
 
   return 0;
 }

source/libs/sync/test/syncReplicateLoadTest.cpp

@@ -178,9 +178,10 @@ int main(int argc, char **argv) {
   while (1) {
     sTrace(
         "replicate sleep, state: %d, %s, term:%lu electTimerLogicClock:%lu, electTimerLogicClockUser:%lu, "
-        "electTimerMS:%d",
+        "electTimerMS:%d, commitIndex:%ld",
         pSyncNode->state, syncUtilState2String(pSyncNode->state), pSyncNode->pRaftStore->currentTerm,
-        pSyncNode->electTimerLogicClock, pSyncNode->electTimerLogicClockUser, pSyncNode->electTimerMS);
+        pSyncNode->electTimerLogicClock, pSyncNode->electTimerLogicClockUser, pSyncNode->electTimerMS,
+        pSyncNode->commitIndex);
     taosMsleep(1000);
   }
 

source/libs/sync/test/syncReplicateTest.cpp

@@ -183,18 +183,20 @@ int main(int argc, char **argv) {
 
     taosMsleep(1000);
     sTrace(
-        "replicate sleep, state: %d, %s, term:%lu electTimerLogicClock:%lu, electTimerLogicClockUser:%lu, "
-        "electTimerMS:%d",
+        "syncPropose sleep, state: %d, %s, term:%lu electTimerLogicClock:%lu, electTimerLogicClockUser:%lu, "
+        "electTimerMS:%d, commitIndex:%ld",
         gSyncNode->state, syncUtilState2String(gSyncNode->state), gSyncNode->pRaftStore->currentTerm,
-        gSyncNode->electTimerLogicClock, gSyncNode->electTimerLogicClockUser, gSyncNode->electTimerMS);
+        gSyncNode->electTimerLogicClock, gSyncNode->electTimerLogicClockUser, gSyncNode->electTimerMS,
+        gSyncNode->commitIndex);
   }
 
   while (1) {
     sTrace(
         "replicate sleep, state: %d, %s, term:%lu electTimerLogicClock:%lu, electTimerLogicClockUser:%lu, "
-        "electTimerMS:%d",
+        "electTimerMS:%d, commitIndex:%ld",
         gSyncNode->state, syncUtilState2String(gSyncNode->state), gSyncNode->pRaftStore->currentTerm,
-        gSyncNode->electTimerLogicClock, gSyncNode->electTimerLogicClockUser, gSyncNode->electTimerMS);
+        gSyncNode->electTimerLogicClock, gSyncNode->electTimerLogicClockUser, gSyncNode->electTimerMS,
+        gSyncNode->commitIndex);
     taosMsleep(1000);
   }
 

source/libs/sync/test/syncReplicateTest2.cpp

@@ -185,17 +185,19 @@ int main(int argc, char **argv) {
 
     sTrace(
         "syncPropose sleep, state: %d, %s, term:%lu electTimerLogicClock:%lu, electTimerLogicClockUser:%lu, "
-        "electTimerMS:%d",
+        "electTimerMS:%d, commitIndex:%ld",
         pSyncNode->state, syncUtilState2String(pSyncNode->state), pSyncNode->pRaftStore->currentTerm,
-        pSyncNode->electTimerLogicClock, pSyncNode->electTimerLogicClockUser, pSyncNode->electTimerMS);
+        pSyncNode->electTimerLogicClock, pSyncNode->electTimerLogicClockUser, pSyncNode->electTimerMS,
+        pSyncNode->commitIndex);
   }
 
   while (1) {
     sTrace(
         "replicate sleep, state: %d, %s, term:%lu electTimerLogicClock:%lu, electTimerLogicClockUser:%lu, "
-        "electTimerMS:%d",
+        "electTimerMS:%d, commitIndex:%ld",
         pSyncNode->state, syncUtilState2String(pSyncNode->state), pSyncNode->pRaftStore->currentTerm,
-        pSyncNode->electTimerLogicClock, pSyncNode->electTimerLogicClockUser, pSyncNode->electTimerMS);
+        pSyncNode->electTimerLogicClock, pSyncNode->electTimerLogicClockUser, pSyncNode->electTimerMS,
+        pSyncNode->commitIndex);
     taosMsleep(1000);
   }
 

source/libs/sync/test/syncReplicateTest3.cpp

+#define ALLOW_FORBID_FUNC
+
+#include <gtest/gtest.h>
+#include <stdio.h>
+#include "syncEnv.h"
+#include "syncIO.h"
+#include "syncInt.h"
+#include "syncMessage.h"
+#include "syncRaftEntry.h"
+#include "syncRaftLog.h"
+#include "syncRaftStore.h"
+#include "syncUtil.h"
+
+void logTest() {
+  sTrace("--- sync log test: trace");
+  sDebug("--- sync log test: debug");
+  sInfo("--- sync log test: info");
+  sWarn("--- sync log test: warn");
+  sError("--- sync log test: error");
+  sFatal("--- sync log test: fatal");
+}
+
+uint16_t ports[] = {7010, 7110, 7210, 7310, 7410};
+int32_t  replicaNum = 3;
+int32_t  myIndex = 0;
+
+SRaftId   ids[TSDB_MAX_REPLICA];
+SSyncInfo syncInfo;
+SSyncFSM *pFsm;
+SWal *    pWal;
+
+void CommitCb(struct SSyncFSM *pFsm, const SRpcMsg *pMsg, SyncIndex index, bool isWeak, int32_t code,
+              ESyncState state) {
+  char logBuf[256];
+  snprintf(logBuf, sizeof(logBuf), "==callback== ==CommitCb== pFsm:%p, index:%ld, isWeak:%d, code:%d, state:%d %s \n",
+           pFsm, index, isWeak, code, state, syncUtilState2String(state));
+  syncRpcMsgPrint2(logBuf, (SRpcMsg *)pMsg);
+}
+
+void PreCommitCb(struct SSyncFSM *pFsm, const SRpcMsg *pMsg, SyncIndex index, bool isWeak, int32_t code,
+                 ESyncState state) {
+  char logBuf[256];
+  snprintf(logBuf, sizeof(logBuf),
+           "==callback== ==PreCommitCb== pFsm:%p, index:%ld, isWeak:%d, code:%d, state:%d %s \n", pFsm, index, isWeak,
+           code, state, syncUtilState2String(state));
+  syncRpcMsgPrint2(logBuf, (SRpcMsg *)pMsg);
+}
+
+void RollBackCb(struct SSyncFSM *pFsm, const SRpcMsg *pMsg, SyncIndex index, bool isWeak, int32_t code,
+                ESyncState state) {
+  char logBuf[256];
+  snprintf(logBuf, sizeof(logBuf), "==callback== ==RollBackCb== pFsm:%p, index:%ld, isWeak:%d, code:%d, state:%d %s \n",
+           pFsm, index, isWeak, code, state, syncUtilState2String(state));
+  syncRpcMsgPrint2(logBuf, (SRpcMsg *)pMsg);
+}
+
+void initFsm() {
+  pFsm = (SSyncFSM *)malloc(sizeof(SSyncFSM));
+  pFsm->FpCommitCb = CommitCb;
+  pFsm->FpPreCommitCb = PreCommitCb;
+  pFsm->FpRollBackCb = RollBackCb;
+}
+
+int64_t syncNodeInit() {
+  syncInfo.vgId = 1234;
+  syncInfo.rpcClient = gSyncIO->clientRpc;
+  syncInfo.FpSendMsg = syncIOSendMsg;
+  syncInfo.queue = gSyncIO->pMsgQ;
+  syncInfo.FpEqMsg = syncIOEqMsg;
+  syncInfo.pFsm = pFsm;
+  snprintf(syncInfo.path, sizeof(syncInfo.path), "./replicate2_test_%d", myIndex);
+
+  int code = walInit();
+  assert(code == 0);
+  SWalCfg walCfg;
+  memset(&walCfg, 0, sizeof(SWalCfg));
+  walCfg.vgId = syncInfo.vgId;
+  walCfg.fsyncPeriod = 1000;
+  walCfg.retentionPeriod = 1000;
+  walCfg.rollPeriod = 1000;
+  walCfg.retentionSize = 1000;
+  walCfg.segSize = 1000;
+  walCfg.level = TAOS_WAL_FSYNC;
+
+  char tmpdir[128];
+  snprintf(tmpdir, sizeof(tmpdir), "./replicate2_test_wal_%d", myIndex);
+  pWal = walOpen(tmpdir, &walCfg);
+  assert(pWal != NULL);
+
+  syncInfo.pWal = pWal;
+
+  SSyncCfg *pCfg = &syncInfo.syncCfg;
+  pCfg->myIndex = myIndex;
+  pCfg->replicaNum = replicaNum;
+
+  for (int i = 0; i < replicaNum; ++i) {
+    pCfg->nodeInfo[i].nodePort = ports[i];
+    snprintf(pCfg->nodeInfo[i].nodeFqdn, sizeof(pCfg->nodeInfo[i].nodeFqdn), "%s", "127.0.0.1");
+    // taosGetFqdn(pCfg->nodeInfo[0].nodeFqdn);
+  }
+
+  int64_t rid = syncStart(&syncInfo);
+  assert(rid > 0);
+
+  SSyncNode *pSyncNode = (SSyncNode *)syncNodeAcquire(rid);
+  assert(pSyncNode != NULL);
+
+  // pSyncNode->hbBaseLine = 500;
+  // pSyncNode->electBaseLine = 1500;
+
+  gSyncIO->FpOnSyncPing = pSyncNode->FpOnPing;
+  gSyncIO->FpOnSyncPingReply = pSyncNode->FpOnPingReply;
+  gSyncIO->FpOnSyncRequestVote = pSyncNode->FpOnRequestVote;
+  gSyncIO->FpOnSyncRequestVoteReply = pSyncNode->FpOnRequestVoteReply;
+  gSyncIO->FpOnSyncAppendEntries = pSyncNode->FpOnAppendEntries;
+  gSyncIO->FpOnSyncAppendEntriesReply = pSyncNode->FpOnAppendEntriesReply;
+  gSyncIO->FpOnSyncTimeout = pSyncNode->FpOnTimeout;
+  gSyncIO->FpOnSyncClientRequest = pSyncNode->FpOnClientRequest;
+  gSyncIO->pSyncNode = pSyncNode;
+
+  syncNodeRelease(pSyncNode);
+
+  return rid;
+}
+
+void initRaftId(SSyncNode *pSyncNode) {
+  for (int i = 0; i < replicaNum; ++i) {
+    ids[i] = pSyncNode->replicasId[i];
+    char *s = syncUtilRaftId2Str(&ids[i]);
+    printf("raftId[%d] : %s\n", i, s);
+    free(s);
+  }
+}
+
+SRpcMsg *step0(int i) {
+  SRpcMsg *pMsg = (SRpcMsg *)malloc(sizeof(SRpcMsg));
+  memset(pMsg, 0, sizeof(SRpcMsg));
+  pMsg->msgType = 9999;
+  pMsg->contLen = 128;
+  pMsg->pCont = malloc(pMsg->contLen);
+  snprintf((char *)(pMsg->pCont), pMsg->contLen, "value-%u-%d", ports[myIndex], i);
+  return pMsg;
+}
+
+SyncClientRequest *step1(const SRpcMsg *pMsg) {
+  SyncClientRequest *pRetMsg = syncClientRequestBuild2(pMsg, 123, true);
+  return pRetMsg;
+}
+
+int main(int argc, char **argv) {
+  // taosInitLog((char *)"syncTest.log", 100000, 10);
+  tsAsyncLog = 0;
+  sDebugFlag = 143 + 64;
+  void logTest();
+
+  myIndex = 0;
+  if (argc >= 2) {
+    myIndex = atoi(argv[1]);
+  }
+
+  int recordCount = 100;
+  if (argc >= 3) {
+    recordCount = atoi(argv[2]);
+  }
+
+  int sleepMS = 10;
+  if (argc >= 4) {
+    sleepMS = atoi(argv[3]);
+  }
+
+  int32_t ret = syncIOStart((char *)"127.0.0.1", ports[myIndex]);
+  assert(ret == 0);
+
+  initFsm();
+
+  ret = syncInit();
+  assert(ret == 0);
+
+  int64_t rid = syncNodeInit();
+  assert(rid > 0);
+
+  SSyncNode *pSyncNode = (SSyncNode *)syncNodeAcquire(rid);
+  assert(pSyncNode != NULL);
+
+  syncNodePrint2((char *)"", pSyncNode);
+  initRaftId(pSyncNode);
+
+  for (int i = 0; i < recordCount; ++i) {
+    // step0
+    SRpcMsg *pMsg0 = step0(i);
+    syncRpcMsgPrint2((char *)"==step0==", pMsg0);
+
+    syncPropose(rid, pMsg0, true);
+    taosMsleep(sleepMS);
+
+    free(pMsg0);
+
+    sTrace(
+        "syncPropose sleep, state: %d, %s, term:%lu electTimerLogicClock:%lu, electTimerLogicClockUser:%lu, "
+        "electTimerMS:%d, commitIndex:%ld",
+        pSyncNode->state, syncUtilState2String(pSyncNode->state), pSyncNode->pRaftStore->currentTerm,
+        pSyncNode->electTimerLogicClock, pSyncNode->electTimerLogicClockUser, pSyncNode->electTimerMS,
+        pSyncNode->commitIndex);
+  }
+
+  while (1) {
+    sTrace(
+        "replicate sleep, state: %d, %s, term:%lu electTimerLogicClock:%lu, electTimerLogicClockUser:%lu, "
+        "electTimerMS:%d, commitIndex:%ld",
+        pSyncNode->state, syncUtilState2String(pSyncNode->state), pSyncNode->pRaftStore->currentTerm,
+        pSyncNode->electTimerLogicClock, pSyncNode->electTimerLogicClockUser, pSyncNode->electTimerMS,
+        pSyncNode->commitIndex);
+    taosMsleep(1000);
+  }
+
+  return 0;
+}

tests/script/tsim/insert/backquote.sim

@@ -174,10 +174,6 @@ while $dbCnt < 2
     #if $rows != 4 then 
     #  return -1
     #endi
-    ##sql select * from st
-    ##if $rows != 4 then
-    ##  return -1
-    ##endi
 
 endw
 

tests/script/tsim/query/interval-offset.sim

@@ -24,9 +24,10 @@ endi
 sql create table ct1 using stb tags ( 1 )
 sql create table ct2 using stb tags ( 2 )
 sql create table ct3 using stb tags ( 3 )
+sql create table ct4 using stb tags ( 4 )
 sql show tables
 print $rows $data00 $data10 $data20
-if $rows != 3 then
+if $rows != 4 then
   return -1
 endi 
 
@@ -165,7 +166,7 @@ print ===> rows7: $data70 $data71 $data72 $data73 $data74 $data75
 #endi
 
 print =============== insert data into child table ct3 (n)
-sql insert into ct3 values ( '2021-12-21 01:01:01.000', 1 )
+sql insert into ct3 values ( '2021-12-21 01:01:01.000', NULL )
 sql insert into ct3 values ( '2021-12-31 01:01:01.000', 1 )
 sql insert into ct3 values ( '2022-01-01 01:01:06.000', 2 )
 sql insert into ct3 values ( '2022-01-07 01:01:10.000', 3 )
@@ -233,8 +234,73 @@ print ===> rows7: $data70 $data71 $data72 $data73 $data74
 #endi 
 
 
+print =============== insert data into child table ct4 (y)
+sql insert into ct4 values ( '2020-10-21 01:01:01.000', 1 )
+sql insert into ct4 values ( '2020-12-31 01:01:01.000', 2 )
+sql insert into ct4 values ( '2021-01-01 01:01:06.000', 3 )
+sql insert into ct4 values ( '2021-05-07 01:01:10.000', 4 )
+sql insert into ct4 values ( '2021-09-30 01:01:16.000', 5 )
+sql insert into ct4 values ( '2022-02-01 01:01:20.000', 6 )
+sql insert into ct4 values ( '2022-10-28 01:01:26.000', 7 )
+sql insert into ct4 values ( '2022-12-01 01:01:30.000', 8 )
+sql insert into ct4 values ( '2022-12-31 01:01:36.000', 9 )
 
+sql select count(tbcol), sum(tbcol), max(tbcol), min(tbcol), count(*) from ct4 interval(1y, 6n)
+print ===> select count(tbcol), sum(tbcol), max(tbcol), min(tbcol), count(*) from ct4 interval(1y, 6n)
+print ===> rows: $rows
+print ===> rows0: $data00 $data01 $data02 $data03 $data04
+print ===> rows1: $data10 $data11 $data12 $data13 $data14
+print ===> rows2: $data20 $data21 $data22 $data23 $data24
+print ===> rows3: $data30 $data31 $data32 $data33 $data34
+print ===> rows4: $data40 $data41 $data42 $data43 $data44
+#if $rows != 5 then
+#  return -1
+#endi 
+#if $data00 != 1 then
+#  return -1
+#endi 
+#if $data40 != 1 then
+#  return -1
+#endi 
+
+sql select count(tbcol), sum(tbcol), max(tbcol), min(tbcol), count(*) from ct4 interval(1y, 6n) sliding(6n)
+print ===> select count(tbcol), sum(tbcol), max(tbcol), min(tbcol), count(*) from ct4 interval(1y, 6n) sliding(6n)
+print ===> rows: $rows
+print ===> rows0: $data00 $data01 $data02 $data03 $data04
+print ===> rows1: $data10 $data11 $data12 $data13 $data14
+print ===> rows2: $data20 $data21 $data22 $data23 $data24
+print ===> rows3: $data30 $data31 $data32 $data33 $data34
+print ===> rows4: $data40 $data41 $data42 $data43 $data44
+#if $rows != 5 then
+#  return -1
+#endi 
+#if $data00 != 1 then
+#  return -1
+#endi 
+#if $data40 != 1 then
+#  return -1
+#endi 
 
+sql select count(tbcol), sum(tbcol), max(tbcol), min(tbcol), count(*) from ct4 interval(1y, 6n) sliding(12n)
+print ===> select count(tbcol), sum(tbcol), max(tbcol), min(tbcol), count(*) from ct4 interval(1y, 6n) sliding(12n)
+print ===> rows: $rows
+print ===> rows0: $data00 $data01 $data02 $data03 $data04
+print ===> rows1: $data10 $data11 $data12 $data13 $data14
+print ===> rows2: $data20 $data21 $data22 $data23 $data24
+print ===> rows3: $data30 $data31 $data32 $data33 $data34
+print ===> rows4: $data40 $data41 $data42 $data43 $data44
+print ===> rows5: $data50 $data51 $data52 $data53 $data54
+print ===> rows6: $data60 $data61 $data62 $data63 $data64
+print ===> rows7: $data70 $data71 $data72 $data73 $data74
+#if $rows != 8 then
+#  return -1
+#endi 
+#if $data00 != 2 then
+#  return -1
+#endi 
+#if $data70 != 1 then
+#  return -1
+#endi 
 
 
 

tests/script/tsim/table/basic1.sim

@@ -231,6 +231,10 @@ endi
 
 print =============== query data
 sql select * from c1
+print rows: $rows
+print $data00 $data01
+print $data10 $data11
+print $data20 $data21
 if $rows != 3 then 
   print $rows
   return -1