Merge remote-tracking branch 'origin/feature/qnode' into feature/3.0_wxy

include/common/tmsg.h

@@ -57,46 +57,6 @@ extern int   tMsgDict[];
 
 typedef uint16_t tmsg_t;
 
-/* ------------------------ ENCODE/DECODE FUNCTIONS AND MACROS ------------------------ */
-struct SMEListNode {
-  TD_SLIST_NODE(SMEListNode);
-  SEncoder coder;
-};
-
-typedef struct SMsgEncoder {
-  SEncoder coder;
-  TD_SLIST(SMEListNode) eStack;  // encode stack
-} SMsgEncoder;
-
-struct SMDFreeListNode {
-  TD_SLIST_NODE(SMDFreeListNode);
-  char payload[];
-};
-
-struct SMDListNode {
-  TD_SLIST_NODE(SMDListNode);
-  SDecoder coder;
-};
-
-typedef struct SMsgDecoder {
-  SDecoder coder;
-  TD_SLIST(SMDListNode) dStack;
-  TD_SLIST(SMDFreeListNode) freeList;
-} SMsgDecoder;
-
-#define TMSG_MALLOC(SIZE, DECODER)                                         \
-  ({                                                                       \
-    void* ptr = malloc((SIZE) + sizeof(struct SMDFreeListNode));           \
-    if (ptr) {                                                             \
-      TD_SLIST_PUSH(&((DECODER)->freeList), (struct SMDFreeListNode*)ptr); \
-      ptr = POINTER_SHIFT(ptr, sizeof(struct SMDFreeListNode*));           \
-    }                                                                      \
-    ptr;                                                                   \
-  })
-
-void tmsgInitMsgDecoder(SMsgDecoder* pMD, td_endian_t endian, uint8_t* data, int64_t size);
-void tmsgClearMsgDecoder(SMsgDecoder* pMD);
-
 /* ------------------------ OTHER DEFINITIONS ------------------------ */
 // IE type
 #define TSDB_IE_TYPE_SEC 1
@@ -1090,6 +1050,7 @@ typedef struct SResFetchMsg {
 } SResFetchMsg;
 
 typedef struct SSchTasksStatusMsg {
+  SMsgHead header;
   uint64_t sId;
 } SSchTasksStatusMsg;
 
@@ -1105,6 +1066,7 @@ typedef struct SSchedulerStatusRsp {
 } SSchedulerStatusRsp;
 
 typedef struct STaskCancelMsg {
+  SMsgHead header;
   uint64_t sId;
   uint64_t queryId;
   uint64_t taskId;
@@ -1115,6 +1077,7 @@ typedef struct STaskCancelRsp {
 } STaskCancelRsp;
 
 typedef struct STaskDropMsg {
+  SMsgHead header;
   uint64_t sId;
   uint64_t queryId;
   uint64_t taskId;
@@ -1283,8 +1246,6 @@ typedef struct {
   SArray*  pArray;
 } SVCreateTbBatchReq;
 
-int   tmsgSVCreateTbReqEncode(SMsgEncoder* pCoder, SVCreateTbReq* pReq);
-int   tmsgSVCreateTbReqDecode(SMsgDecoder* pCoder, SVCreateTbReq* pReq);
 int   tSerializeSVCreateTbReq(void** buf, SVCreateTbReq* pReq);
 void* tDeserializeSVCreateTbReq(void* buf, SVCreateTbReq* pReq);
 int   tSVCreateTbBatchReqSerialize(void** buf, SVCreateTbBatchReq* pReq);

include/libs/planner/planner.h

@@ -122,9 +122,10 @@ typedef struct SSubplanId {
 typedef struct SSubplan {
   SSubplanId id;           // unique id of the subplan
   int32_t    type;         // QUERY_TYPE_MERGE|QUERY_TYPE_PARTIAL|QUERY_TYPE_SCAN|QUERY_TYPE_MODIFY
-  int32_t    level;        // the execution level of current subplan, starting from 0.
+  int32_t    msgType;      // message type for subplan, used to denote the send message type to vnode.
+  int32_t    level;        // the execution level of current subplan, starting from 0 in a top-down manner.
   SQueryNodeAddr     execNode;    // for the scan/modify subplan, the optional execution node
-  SArray    *pChildern;    // the datasource subplan,from which to fetch the result
+  SArray    *pChildren;    // the datasource subplan,from which to fetch the result
   SArray    *pParents;     // the data destination subplan, get data from current subplan
   SPhyNode  *pNode;        // physical plan of current subplan
   SDataSink *pDataSink;    // data of the subplan flow into the datasink
@@ -147,7 +148,7 @@ int32_t qCreateQueryDag(const struct SQueryNode* pQueryInfo, struct SQueryDag**
 // @subplan subplan to be schedule
 // @templateId templateId of a group of datasource subplans of this @subplan
 // @ep one execution location of this group of datasource subplans 
-int32_t qSetSubplanExecutionNode(SSubplan* subplan, uint64_t templateId, SEpAddr* ep);
+int32_t qSetSubplanExecutionNode(SSubplan* subplan, uint64_t templateId, SQueryNodeAddr* ep);
 
 int32_t qExplainQuery(const struct SQueryNode* pQueryInfo, struct SEpSet* pQnode, char** str);
 

source/client/CMakeLists.txt

@@ -11,4 +11,6 @@ target_link_libraries(
     PRIVATE os util common transport parser planner catalog scheduler function qcom
 )
 
-ADD_SUBDIRECTORY(test)
\ No newline at end of file
+if(${BUILD_TEST})
+    ADD_SUBDIRECTORY(test)
+endif(${BUILD_TEST})
\ No newline at end of file

source/client/src/clientMain.c

@@ -29,7 +29,7 @@ int taos_options(TSDB_OPTION option, const void *arg, ...) {
 
 // this function may be called by user or system, or by both simultaneously.
 void taos_cleanup(void) {
-  tscDebug("start to cleanup client environment");
+  tscInfo("start to cleanup client environment");
 
   if (atomic_val_compare_exchange_32(&sentinel, TSC_VAR_NOT_RELEASE, TSC_VAR_RELEASED) != TSC_VAR_NOT_RELEASE) {
     return;
@@ -47,6 +47,8 @@ void taos_cleanup(void) {
 
   rpcCleanup();
   taosCloseLog();
+
+  tscInfo("all local resources released");
 }
 
 TAOS *taos_connect(const char *ip, const char *user, const char *pass, const char *db, uint16_t port) {
@@ -140,7 +142,9 @@ TAOS_ROW taos_fetch_row(TAOS_RES *pRes) {
 
   SRequestObj *pRequest = (SRequestObj *) pRes;
   if (pRequest->type == TSDB_SQL_RETRIEVE_EMPTY_RESULT ||
-      pRequest->type == TSDB_SQL_INSERT || pRequest->code != TSDB_CODE_SUCCESS) {
+      pRequest->type == TSDB_SQL_INSERT ||
+      pRequest->code != TSDB_CODE_SUCCESS ||
+      taos_num_fields(pRes) == 0) {
     return NULL;
   }
 

source/client/test/clientTests.cpp

@@ -279,7 +279,7 @@ TEST(testCase, connect_Test) {
 //  taos_free_result(pRes);
 //  taos_close(pConn);
 //}
-//
+
 //TEST(testCase, create_table_Test) {
 //  //  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
 //  //  assert(pConn != NULL);
@@ -470,9 +470,9 @@ TEST(testCase, create_multiple_tables) {
   TAOS_RES* pRes = taos_query(pConn, "use abc1");
   taos_free_result(pRes);
 
-  pRes = taos_query(pConn, "create table t_2 using st1 tags(1) t_3 using st1 tags(2)");
+  pRes = taos_query(pConn, "create table t_2 using st1 tags(1)");
   if (taos_errno(pRes) != 0) {
-    printf("failed to show vgroups, reason:%s\n", taos_errstr(pRes));
+    printf("failed to create multiple tables, reason:%s\n", taos_errstr(pRes));
     taos_free_result(pRes);
     ASSERT_TRUE(false);
   }

source/common/CMakeLists.txt

@@ -12,4 +12,6 @@ target_link_libraries(
     INTERFACE api
 )
 
-ADD_SUBDIRECTORY(test)
+if(${BUILD_TEST})
+    ADD_SUBDIRECTORY(test)
+endif(${BUILD_TEST})

source/common/src/tmsg.c

@@ -27,77 +27,6 @@
 #undef TD_MSG_SEG_CODE_
 #include "tmsgdef.h"
 
-static int  tmsgStartEncode(SMsgEncoder *pME);
-static void tmsgEndEncode(SMsgEncoder *pME);
-static int  tmsgStartDecode(SMsgDecoder *pMD);
-static void tmsgEndDecode(SMsgDecoder *pMD);
-
-/* ------------------------ ENCODE/DECODE FUNCTIONS ------------------------ */
-void tmsgInitMsgEncoder(SMsgEncoder *pME, td_endian_t endian, uint8_t *data, int64_t size) {
-  tInitEncoder(&(pME->coder), endian, data, size);
-  TD_SLIST_INIT(&(pME->eStack));
-}
-
-void tmsgClearMsgEncoder(SMsgEncoder *pME) {
-  struct SMEListNode *pNode;
-  for (;;) {
-    pNode = TD_SLIST_HEAD(&(pME->eStack));
-    if (TD_IS_NULL(pNode)) break;
-    TD_SLIST_POP(&(pME->eStack));
-    free(pNode);
-  }
-}
-
-void tmsgInitMsgDecoder(SMsgDecoder *pMD, td_endian_t endian, uint8_t *data, int64_t size) {
-  tInitDecoder(&pMD->coder, endian, data, size);
-  TD_SLIST_INIT(&(pMD->dStack));
-  TD_SLIST_INIT(&(pMD->freeList));
-}
-
-void tmsgClearMsgDecoder(SMsgDecoder *pMD) {
-  {
-    struct SMDFreeListNode *pNode;
-    for (;;) {
-      pNode = TD_SLIST_HEAD(&(pMD->freeList));
-      if (TD_IS_NULL(pNode)) break;
-      TD_SLIST_POP(&(pMD->freeList));
-      free(pNode);
-    }
-  }
-  {
-    struct SMDListNode *pNode;
-    for (;;) {
-      pNode = TD_SLIST_HEAD(&(pMD->dStack));
-      if (TD_IS_NULL(pNode)) break;
-      TD_SLIST_POP(&(pMD->dStack));
-      free(pNode);
-    }
-  }
-}
-
-/* ------------------------ MESSAGE ENCODE/DECODE ------------------------ */
-int tmsgSVCreateTbReqEncode(SMsgEncoder *pCoder, SVCreateTbReq *pReq) {
-  tmsgStartEncode(pCoder);
-  // TODO
-
-  tmsgEndEncode(pCoder);
-  return 0;
-}
-
-int tmsgSVCreateTbReqDecode(SMsgDecoder *pCoder, SVCreateTbReq *pReq) {
-  tmsgStartDecode(pCoder);
-
-  // TODO: decode
-
-  // Decode is not end
-  if (pCoder->coder.pos != pCoder->coder.size) {
-    // Continue decode
-  }
-
-  tmsgEndDecode(pCoder);
-  return 0;
-}
-
 int tSerializeSVCreateTbReq(void **buf, SVCreateTbReq *pReq) {
   int tlen = 0;
 
@@ -219,63 +148,3 @@ void *tSVCreateTbBatchReqDeserialize(void *buf, SVCreateTbBatchReq *pReq) {
 
   return buf;
 }
\ No newline at end of file
-
-/* ------------------------ STATIC METHODS ------------------------ */
-static int tmsgStartEncode(SMsgEncoder *pME) {
-  struct SMEListNode *pNode = (struct SMEListNode *)malloc(sizeof(*pNode));
-  if (TD_IS_NULL(pNode)) return -1;
-
-  pNode->coder = pME->coder;
-  TD_SLIST_PUSH(&(pME->eStack), pNode);
-  TD_CODER_MOVE_POS(&(pME->coder), sizeof(int32_t));
-
-  return 0;
-}
-
-static void tmsgEndEncode(SMsgEncoder *pME) {
-  int32_t             size;
-  struct SMEListNode *pNode;
-
-  pNode = TD_SLIST_HEAD(&(pME->eStack));
-  ASSERT(pNode);
-  TD_SLIST_POP(&(pME->eStack));
-
-  size = pME->coder.pos - pNode->coder.pos;
-  tEncodeI32(&(pNode->coder), size);
-
-  free(pNode);
-}
-
-static int tmsgStartDecode(SMsgDecoder *pMD) {
-  struct SMDListNode *pNode;
-  int32_t             size;
-
-  pNode = (struct SMDListNode *)malloc(sizeof(*pNode));
-  if (pNode == NULL) return -1;
-
-  tDecodeI32(&(pMD->coder), &size);
-
-  pNode->coder = pMD->coder;
-  TD_SLIST_PUSH(&(pMD->dStack), pNode);
-
-  pMD->coder.pos = 0;
-  pMD->coder.size = size - sizeof(int32_t);
-  pMD->coder.data = TD_CODER_CURRENT(&(pNode->coder));
-
-  return 0;
-}
-
-static void tmsgEndDecode(SMsgDecoder *pMD) {
-  ASSERT(pMD->coder.pos == pMD->coder.size);
-  struct SMDListNode *pNode;
-
-  pNode = TD_SLIST_HEAD(&(pMD->dStack));
-  ASSERT(pNode);
-  TD_SLIST_POP(&(pMD->dStack));
-
-  pNode->coder.pos += pMD->coder.size;
-
-  pMD->coder = pNode->coder;
-
-  free(pNode);
-}
\ No newline at end of file

source/libs/catalog/CMakeLists.txt

@@ -11,4 +11,6 @@ target_link_libraries(
    PRIVATE os util transport qcom
 )
 
-ADD_SUBDIRECTORY(test)
\ No newline at end of file
+if(${BUILD_TEST})
+    ADD_SUBDIRECTORY(test)
+endif(${BUILD_TEST})
\ No newline at end of file

source/libs/index/inc/index_fst_counting_writer.h

@@ -38,6 +38,7 @@ typedef struct WriterCtx {
       int  fd;
       bool readOnly;
       char buf[256];
+      int  size;
     } file;
     struct {
       int32_t capa;

source/libs/index/src/index.c

@@ -73,6 +73,7 @@ int indexOpen(SIndexOpts* opts, const char* path, SIndex** index) {
 #ifdef USE_INVERTED_INDEX
   // sIdx->cache = (void*)indexCacheCreate(sIdx);
   sIdx->tindex = indexTFileCreate(path);
+  if (sIdx->tindex == NULL) { goto END; }
   sIdx->colObj = taosHashInit(8, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
   sIdx->cVersion = 1;
   sIdx->path = calloc(1, strlen(path) + 1);
@@ -83,6 +84,8 @@ int indexOpen(SIndexOpts* opts, const char* path, SIndex** index) {
 
   return 0;
 #endif
+END:
+  if (sIdx != NULL) { indexClose(sIdx); }
 
   *index = NULL;
   return -1;
@@ -135,7 +138,7 @@ int indexPut(SIndex* index, SIndexMultiTerm* fVals, uint64_t uid) {
     SIndexTerm* p = taosArrayGetP(fVals, i);
 
     char      buf[128] = {0};
-    ICacheKey key = {.suid = p->suid, .colName = p->colName};
+    ICacheKey key = {.suid = p->suid, .colName = p->colName, .nColName = strlen(p->colName)};
     int32_t   sz = indexSerialCacheKey(&key, buf);
 
     IndexCache** cache = taosHashGet(index->colObj, buf, sz);
@@ -150,7 +153,7 @@ int indexPut(SIndex* index, SIndexMultiTerm* fVals, uint64_t uid) {
     SIndexTerm* p = taosArrayGetP(fVals, i);
 
     char      buf[128] = {0};
-    ICacheKey key = {.suid = p->suid, .colName = p->colName};
+    ICacheKey key = {.suid = p->suid, .colName = p->colName, .nColName = strlen(p->colName)};
     int32_t   sz = indexSerialCacheKey(&key, buf);
 
     IndexCache** cache = taosHashGet(index->colObj, buf, sz);
@@ -212,7 +215,7 @@ int indexSearch(SIndex* index, SIndexMultiTermQuery* multiQuerys, SArray* result
   indexInterResultsDestroy(interResults);
 
 #endif
-  return 1;
+  return 0;
 }
 
 int indexDelete(SIndex* index, SIndexMultiTermQuery* query) {
@@ -310,7 +313,7 @@ static int indexTermSearch(SIndex* sIdx, SIndexTermQuery* query, SArray** result
   pthread_mutex_lock(&sIdx->mtx);
 
   char      buf[128] = {0};
-  ICacheKey key = {.suid = term->suid, .colName = term->colName};
+  ICacheKey key = {.suid = term->suid, .colName = term->colName, .nColName = strlen(term->colName)};
   int32_t   sz = indexSerialCacheKey(&key, buf);
 
   IndexCache** pCache = taosHashGet(sIdx->colObj, buf, sz);

source/libs/index/src/index_cache.c

@@ -20,7 +20,7 @@
 
 #define MAX_INDEX_KEY_LEN 256  // test only, change later
 
-#define MEM_TERM_LIMIT 10 * 10000
+#define MEM_TERM_LIMIT 5 * 10000
 // ref index_cache.h:22
 //#define CACHE_KEY_LEN(p) \
 //  (sizeof(int32_t) + sizeof(uint16_t) + sizeof(p->colType) + sizeof(p->nColVal) + p->nColVal + sizeof(uint64_t) +

source/libs/index/src/index_fst_counting_writer.c

@@ -72,9 +72,17 @@ WriterCtx* writerCtxCreate(WriterType type, const char* path, bool readOnly, int
     if (readOnly == false) {
       // ctx->file.fd = open(path, O_WRONLY | O_CREAT | O_APPEND, S_IRWXU | S_IRWXG | S_IRWXO);
       ctx->file.fd = tfOpenCreateWriteAppend(path);
+
+      struct stat fstat;
+      stat(path, &fstat);
+      ctx->file.size = fstat.st_size;
     } else {
       // ctx->file.fd = open(path, O_RDONLY, S_IRWXU | S_IRWXG | S_IRWXO);
       ctx->file.fd = tfOpenRead(path);
+
+      struct stat fstat;
+      stat(path, &fstat);
+      ctx->file.size = fstat.st_size;
     }
     memcpy(ctx->file.buf, path, strlen(path));
     if (ctx->file.fd < 0) {
@@ -104,6 +112,7 @@ void writerCtxDestroy(WriterCtx* ctx, bool remove) {
     free(ctx->mem.buf);
   } else {
     tfClose(ctx->file.fd);
+    ctx->flush(ctx);
     if (remove) { unlink(ctx->file.buf); }
   }
   free(ctx);

source/libs/index/src/index_tfile.c

 /*
  * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
- *
+p *
  * 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.
@@ -45,12 +45,13 @@ static int tfileReaderLoadHeader(TFileReader* reader);
 static int tfileReaderLoadFst(TFileReader* reader);
 static int tfileReaderLoadTableIds(TFileReader* reader, int32_t offset, SArray* result);
 
-static int  tfileGetFileList(const char* path, SArray* result);
+static SArray* tfileGetFileList(const char* path);
 static int     tfileRmExpireFile(SArray* result);
 static void    tfileDestroyFileName(void* elem);
 static int     tfileCompare(const void* a, const void* b);
-static int  tfileParseFileName(const char* filename, uint64_t* suid, int* colId, int* version);
-static void tfileGenFileName(char* filename, uint64_t suid, int colId, int version);
+static int     tfileParseFileName(const char* filename, uint64_t* suid, char* col, int* version);
+static void    tfileGenFileName(char* filename, uint64_t suid, const char* col, int version);
+static void    tfileGenFileFullName(char* fullname, const char* path, uint64_t suid, const char* col, int32_t version);
 
 TFileCache* tfileCacheCreate(const char* path) {
   TFileCache* tcache = calloc(1, sizeof(TFileCache));
@@ -59,21 +60,24 @@ TFileCache* tfileCacheCreate(const char* path) {
   tcache->tableCache = taosHashInit(8, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
   tcache->capacity = 64;
 
-  SArray* files = taosArrayInit(4, sizeof(void*));
-  tfileGetFileList(path, files);
-  taosArraySort(files, tfileCompare);
-  tfileRmExpireFile(files);
+  SArray* files = tfileGetFileList(path);
 
   uint64_t suid;
   int32_t  colId, version;
   for (size_t i = 0; i < taosArrayGetSize(files); i++) {
     char* file = taosArrayGetP(files, i);
-    if (0 != tfileParseFileName(file, &suid, (int*)&colId, (int*)&version)) {
+
+    // refactor later, use colname and version info
+    char colName[256] = {0};
+    if (0 != tfileParseFileName(file, &suid, colName, (int*)&version)) {
       indexInfo("try parse invalid file:  %s, skip it", file);
       continue;
     }
 
-    WriterCtx* wc = writerCtxCreate(TFile, file, true, 1024 * 1024 * 64);
+    char fullName[256] = {0};
+    sprintf(fullName, "%s/%s", path, file);
+
+    WriterCtx* wc = writerCtxCreate(TFile, fullName, true, 1024 * 1024 * 64);
     if (wc == NULL) {
       indexError("failed to open index:%s", file);
       goto End;
@@ -200,12 +204,9 @@ int tfileReaderSearch(TFileReader* reader, SIndexTermQuery* query, SArray* resul
 }
 
 TFileWriter* tfileWriterOpen(char* path, uint64_t suid, int32_t version, const char* colName, uint8_t colType) {
-  char    filename[128] = {0};
-  int32_t coldId = 1;
-  tfileGenFileName(filename, suid, coldId, version);
-
   char fullname[256] = {0};
-  snprintf(fullname, sizeof(fullname), "%s/%s", path, filename);
+  tfileGenFileFullName(fullname, path, suid, colName, version);
+  // indexInfo("open write file name %s", fullname);
   WriterCtx* wcx = writerCtxCreate(TFile, fullname, false, 1024 * 1024 * 64);
   if (wcx == NULL) { return NULL; }
 
@@ -218,13 +219,11 @@ TFileWriter* tfileWriterOpen(char* path, uint64_t suid, int32_t version, const c
   return tfileWriterCreate(wcx, &tfh);
 }
 TFileReader* tfileReaderOpen(char* path, uint64_t suid, int32_t version, const char* colName) {
-  char    filename[128] = {0};
-  int32_t coldId = 1;
-  tfileGenFileName(filename, suid, coldId, version);
-
   char fullname[256] = {0};
-  snprintf(fullname, sizeof(fullname), "%s/%s", path, filename);
+  tfileGenFileFullName(fullname, path, suid, colName, version);
+
   WriterCtx* wc = writerCtxCreate(TFile, fullname, true, 1024 * 1024 * 1024);
+  // indexInfo("open read file name:%s, size: %d", wc->file.buf, wc->file.size);
   if (wc == NULL) { return NULL; }
 
   TFileReader* reader = tfileReaderCreate(wc);
@@ -324,7 +323,6 @@ int tfileWriterPut(TFileWriter* tw, void* data, bool order) {
   }
 
   // write data
-  indexError("--------Begin----------------");
   for (size_t i = 0; i < sz; i++) {
     // TODO, fst batch write later
     TFileValue* v = taosArrayGetP((SArray*)data, i);
@@ -332,11 +330,10 @@ int tfileWriterPut(TFileWriter* tw, void* data, bool order) {
       indexError("failed to write data: %s, offset: %d len: %d", v->colVal, v->offset,
                  (int)taosArrayGetSize(v->tableId));
     } else {
-      indexInfo("success to write data: %s, offset: %d len: %d", v->colVal, v->offset,
-                (int)taosArrayGetSize(v->tableId));
+      // indexInfo("success to write data: %s, offset: %d len: %d", v->colVal, v->offset,
+      //          (int)taosArrayGetSize(v->tableId));
     }
   }
-  indexError("--------End----------------");
   fstBuilderFinish(tw->fb);
   fstBuilderDestroy(tw->fb);
   tw->fb = NULL;
@@ -361,6 +358,7 @@ IndexTFile* indexTFileCreate(const char* path) {
   return tfile;
 }
 void indexTFileDestroy(IndexTFile* tfile) {
+  if (tfile == NULL) { return; }
   tfileCacheDestroy(tfile->cache);
   free(tfile);
 }
@@ -550,6 +548,9 @@ static int tfileReaderLoadHeader(TFileReader* reader) {
     //
     indexError("actual Read: %d, to read: %d, errno: %d, filefd: %d, filename: %s", (int)(nread), (int)sizeof(buf),
                errno, reader->ctx->file.fd, reader->ctx->file.buf);
+  } else {
+    indexError("actual Read: %d, to read: %d, errno: %d, filefd: %d, filename: %s", (int)(nread), (int)sizeof(buf),
+               errno, reader->ctx->file.fd, reader->ctx->file.buf);
   }
   // assert(nread == sizeof(buf));
   memcpy(&reader->header, buf, sizeof(buf));
@@ -558,13 +559,14 @@ static int tfileReaderLoadHeader(TFileReader* reader) {
 }
 static int tfileReaderLoadFst(TFileReader* reader) {
   // current load fst into memory, refactor it later
-  static int FST_MAX_SIZE = 64 * 1024;
+  static int FST_MAX_SIZE = 64 * 1024 * 1024;
 
   char* buf = calloc(1, sizeof(char) * FST_MAX_SIZE);
   if (buf == NULL) { return -1; }
 
   WriterCtx* ctx = reader->ctx;
   int32_t    nread = ctx->readFrom(ctx, buf, FST_MAX_SIZE, reader->header.fstOffset);
+  indexError("nread = %d, and fst offset=%d, filename: %s ", nread, reader->header.fstOffset, ctx->file.buf);
   // we assuse fst size less than FST_MAX_SIZE
   assert(nread > 0 && nread < FST_MAX_SIZE);
 
@@ -608,19 +610,26 @@ void tfileReaderUnRef(TFileReader* reader) {
   }
 }
 
-static int tfileGetFileList(const char* path, SArray* result) {
+static SArray* tfileGetFileList(const char* path) {
+  SArray* files = taosArrayInit(4, sizeof(void*));
+
   DIR* dir = opendir(path);
-  if (NULL == dir) { return -1; }
+  if (NULL == dir) { return NULL; }
 
   struct dirent* entry;
   while ((entry = readdir(dir)) != NULL) {
+    if (entry->d_type && DT_DIR) { continue; }
     size_t len = strlen(entry->d_name);
     char*  buf = calloc(1, len + 1);
     memcpy(buf, entry->d_name, len);
-    taosArrayPush(result, &buf);
+    taosArrayPush(files, &buf);
   }
   closedir(dir);
-  return 0;
+
+  taosArraySort(files, tfileCompare);
+  tfileRmExpireFile(files);
+
+  return files;
 }
 static int tfileRmExpireFile(SArray* result) {
   // TODO(yihao): remove expire tindex after restart
@@ -641,15 +650,21 @@ static int tfileCompare(const void* a, const void* b) {
   if (ret == 0) { return ret; }
   return ret < 0 ? -1 : 1;
 }
-// tfile name suid-colId-version.tindex
-static void tfileGenFileName(char* filename, uint64_t suid, int colId, int version) {
-  sprintf(filename, "%" PRIu64 "-%d-%d.tindex", suid, colId, version);
-  return;
-}
-static int tfileParseFileName(const char* filename, uint64_t* suid, int* colId, int* version) {
-  if (3 == sscanf(filename, "%" PRIu64 "-%d-%d.tindex", suid, colId, version)) {
+
+static int tfileParseFileName(const char* filename, uint64_t* suid, char* col, int* version) {
+  if (3 == sscanf(filename, "%" PRIu64 "-%[^-]-%d.tindex", suid, col, version)) {
     // read suid & colid & version  success
     return 0;
   }
   return -1;
 }
+// tfile name suid-colId-version.tindex
+static void tfileGenFileName(char* filename, uint64_t suid, const char* col, int version) {
+  sprintf(filename, "%" PRIu64 "-%s-%d.tindex", suid, col, version);
+  return;
+}
+static void tfileGenFileFullName(char* fullname, const char* path, uint64_t suid, const char* col, int32_t version) {
+  char filename[128] = {0};
+  tfileGenFileName(filename, suid, col, version);
+  sprintf(fullname, "%s/%s", path, filename);
+}

source/libs/index/test/indexTests.cc

@@ -13,6 +13,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 #include <gtest/gtest.h>
+#include <algorithm>
 #include <iostream>
 #include <string>
 #include <thread>
@@ -638,7 +639,7 @@ class IndexObj {
     indexInit();
   }
   int Init(const std::string& dir) {
-    taosRemoveDir(dir.c_str());
+    // taosRemoveDir(dir.c_str());
     taosMkDir(dir.c_str());
     int ret = indexOpen(&opts, dir.c_str(), &idx);
     if (ret != 0) {
@@ -663,10 +664,11 @@ class IndexObj {
   int WriteMultiMillonData(const std::string& colName, const std::string& colVal = "Hello world",
                            size_t numOfTable = 100 * 10000) {
     std::string tColVal = colVal;
+    size_t      colValSize = tColVal.size();
     for (int i = 0; i < numOfTable; i++) {
-      tColVal[tColVal.size() - 1] = 'a' + i % 26;
+      tColVal[i % colValSize] = 'a' + i % 26;
       SIndexTerm*      term = indexTermCreate(0, ADD_VALUE, TSDB_DATA_TYPE_BINARY, colName.c_str(), colName.size(),
-                                         colVal.c_str(), colVal.size());
+                                         tColVal.c_str(), tColVal.size());
       SIndexMultiTerm* terms = indexMultiTermCreate();
       indexMultiTermAdd(terms, term);
       for (size_t i = 0; i < 10; i++) {
@@ -695,7 +697,13 @@ class IndexObj {
     indexMultiTermQueryAdd(mq, term, QUERY_TERM);
 
     SArray* result = (SArray*)taosArrayInit(1, sizeof(uint64_t));
-    if (Search(mq, result) == 0) { std::cout << "search one successfully" << std::endl; }
+
+    int64_t s = taosGetTimestampUs();
+    if (Search(mq, result) == 0) {
+      int64_t e = taosGetTimestampUs();
+      std::cout << "search one successfully and time cost:" << e - s << std::endl;
+    } else {
+    }
     int sz = taosArrayGetSize(result);
     indexMultiTermQueryDestroy(mq);
     taosArrayDestroy(result);
@@ -810,7 +818,7 @@ TEST_F(IndexEnv2, testIndexOpen) {
 }
 
 TEST_F(IndexEnv2, testIndex_TrigeFlush) {
-  std::string path = "/tmp/test1";
+  std::string path = "/tmp/testxxx";
   if (index->Init(path) != 0) {
     // r
     std::cout << "failed to init" << std::endl;
@@ -826,6 +834,10 @@ static void write_and_search(IndexObj* idx) {
   std::string colName("tag1"), colVal("Hello");
 
   int target = idx->SearchOne("tag1", "Hello");
+  std::cout << "search: " << target << std::endl;
+  target = idx->SearchOne("tag2", "Test");
+  std::cout << "search: " << target << std::endl;
+
   idx->PutOne(colName, colVal);
 }
 TEST_F(IndexEnv2, testIndex_serarch_cache_and_tfile) {
@@ -833,7 +845,10 @@ TEST_F(IndexEnv2, testIndex_serarch_cache_and_tfile) {
   if (index->Init(path) != 0) {
     // opt
   }
-  index->WriteMultiMillonData("tag1", "Hello", 200000);
+  index->PutOne("tag1", "Hello");
+  index->PutOne("tag2", "Test");
+  index->WriteMultiMillonData("tag1", "Hello", 50 * 10000);
+  index->WriteMultiMillonData("tag2", "Test", 50 * 10000);
   std::thread threads[NUM_OF_THREAD];
 
   for (int i = 0; i < NUM_OF_THREAD; i++) {
@@ -847,15 +862,15 @@ TEST_F(IndexEnv2, testIndex_serarch_cache_and_tfile) {
 }
 
 TEST_F(IndexEnv2, testIndex_restart) {
-  std::string path = "/tmp";
+  std::string path = "/tmp/test1";
   if (index->Init(path) != 0) {}
 }
 
 TEST_F(IndexEnv2, testIndex_performance) {
-  std::string path = "/tmp";
+  std::string path = "/tmp/test2";
   if (index->Init(path) != 0) {}
 }
 TEST_F(IndexEnv2, testIndexMultiTag) {
-  std::string path = "/tmp";
+  std::string path = "/tmp/test3";
   if (index->Init(path) != 0) {}
 }

source/libs/parser/CMakeLists.txt

@@ -11,4 +11,6 @@ target_link_libraries(
         PRIVATE os util catalog function transport qcom
 )
 
-ADD_SUBDIRECTORY(test)
+if(${BUILD_TEST})
+    ADD_SUBDIRECTORY(test)
+endif(${BUILD_TEST})

source/libs/parser/inc/sql.y

@@ -392,7 +392,7 @@ create_table_args(A) ::= ifnotexists(U) ids(V) cpxName(Z) LP columnlist(X) RP. {
 %type create_stable_args{SCreateTableSql*}
 create_stable_args(A) ::= ifnotexists(U) ids(V) cpxName(Z) LP columnlist(X) RP TAGS LP columnlist(Y) RP. {
   A = tSetCreateTableInfo(X, Y, NULL, TSQL_CREATE_STABLE);
-  setSqlInfo(pInfo, A, NULL, TSDB_SQL_CREATE_TABLE);
+  setSqlInfo(pInfo, A, NULL, TSDB_SQL_CREATE_STABLE);
 
   V.n += Z.n;
   setCreatedTableName(pInfo, &V, &U);

source/libs/parser/src/astGenerator.c

@@ -785,7 +785,7 @@ void destroySqlInfo(SSqlInfo *pInfo) {
   taosArrayDestroy(pInfo->funcs);
   if (pInfo->type == TSDB_SQL_SELECT) {
     destroyAllSqlNode(&pInfo->sub);
-  } else if (pInfo->type == TSDB_SQL_CREATE_TABLE) {
+  } else if (pInfo->type == TSDB_SQL_CREATE_STABLE) {
     pInfo->pCreateTableInfo = destroyCreateTableSql(pInfo->pCreateTableInfo);
   } else if (pInfo->type == TSDB_SQL_ALTER_TABLE) {
     taosArrayDestroyEx(pInfo->pAlterInfo->varList, freeItem);

source/libs/parser/src/dCDAstProcess.c

@@ -761,8 +761,9 @@ SDclStmtInfo* qParserValidateDclSqlNode(SSqlInfo* pInfo, SParseBasicCtx* pCtx, c
       break;
     }
 
-    case TSDB_SQL_CREATE_TABLE: {
+    case TSDB_SQL_CREATE_STABLE: {
       SCreateTableSql* pCreateTable = pInfo->pCreateTableInfo;
+      assert(pCreateTable->type != TSQL_CREATE_CTABLE);
 
       if (pCreateTable->type == TSQL_CREATE_TABLE || pCreateTable->type == TSQL_CREATE_STABLE) {
         if ((code = doCheckForCreateTable(pInfo, pMsgBuf)) != TSDB_CODE_SUCCESS) {
@@ -772,13 +773,6 @@ SDclStmtInfo* qParserValidateDclSqlNode(SSqlInfo* pInfo, SParseBasicCtx* pCtx, c
 
         pDcl->pMsg = (char*)buildCreateTableMsg(pCreateTable, &pDcl->msgLen, pCtx, pMsgBuf);
         pDcl->msgType = (pCreateTable->type == TSQL_CREATE_TABLE) ? TDMT_VND_CREATE_TABLE : TDMT_MND_CREATE_STB;
-      } else if (pCreateTable->type == TSQL_CREATE_CTABLE) {
-        if ((code = doCheckForCreateCTable(pInfo, pCtx, pMsgBuf, &pDcl->pMsg, &pDcl->msgLen)) !=
-            TSDB_CODE_SUCCESS) {
-          goto _error;
-        }
-
-        pDcl->msgType = TDMT_VND_CREATE_TABLE;
       } else if (pCreateTable->type == TSQL_CREATE_STREAM) {
         //        if ((code = doCheckForStream(pSql, pInfo)) != TSDB_CODE_SUCCESS) {
         //          return code;

source/libs/planner/CMakeLists.txt

@@ -11,4 +11,6 @@ target_link_libraries(
     PRIVATE os util catalog cjson parser transport function qcom
 )
 
-ADD_SUBDIRECTORY(test)
+if(${BUILD_TEST})
+    ADD_SUBDIRECTORY(test)
+endif(${BUILD_TEST})

source/libs/planner/inc/plannerInt.h

@@ -70,6 +70,11 @@ typedef struct SQueryPlanNode {
   struct SQueryPlanNode  *pParent;
 } SQueryPlanNode;
 
+typedef struct SDataPayloadInfo {
+  int32_t msgType;
+  SArray *payload;
+} SDataPayloadInfo;
+
 /**
  * Optimize the query execution plan, currently not implement yet.
  * @param pQueryNode
@@ -101,7 +106,7 @@ int32_t queryPlanToString(struct SQueryPlanNode* pQueryNode, char** str);
 int32_t queryPlanToSql(struct SQueryPlanNode* pQueryNode, char** sql);
 
 int32_t createDag(SQueryPlanNode* pQueryNode, struct SCatalog* pCatalog, SQueryDag** pDag);
-int32_t setSubplanExecutionNode(SSubplan* subplan, uint64_t templateId, SEpAddr* ep);
+int32_t setSubplanExecutionNode(SSubplan* subplan, uint64_t templateId, SQueryNodeAddr* ep);
 int32_t subPlanToString(const SSubplan *pPhyNode, char** str, int32_t* len);
 int32_t stringToSubplan(const char* str, SSubplan** subplan);
 

source/libs/planner/src/logicPlan.c

@@ -37,18 +37,28 @@ int32_t optimizeQueryPlan(struct SQueryPlanNode* pQueryNode) {
   return 0;
 }
 
-static int32_t createInsertPlan(const SQueryNode* pNode, SQueryPlanNode** pQueryPlan) {
+static int32_t createModificationOpPlan(const SQueryNode* pNode, SQueryPlanNode** pQueryPlan) {
   SInsertStmtInfo* pInsert = (SInsertStmtInfo*)pNode;
 
   *pQueryPlan = calloc(1, sizeof(SQueryPlanNode));
   SArray* blocks = taosArrayInit(taosArrayGetSize(pInsert->pDataBlocks), POINTER_BYTES);
-  if (NULL == *pQueryPlan || NULL == blocks) {
+
+  SDataPayloadInfo* pPayload = calloc(1, sizeof(SDataPayloadInfo));
+  if (NULL == *pQueryPlan || NULL == blocks || NULL == pPayload) {
     return TSDB_CODE_TSC_OUT_OF_MEMORY;
   }
 
   (*pQueryPlan)->info.type = QNODE_MODIFY;
   taosArrayAddAll(blocks, pInsert->pDataBlocks);
-  (*pQueryPlan)->pExtInfo = blocks;
+
+  if (pNode->type == TSDB_SQL_INSERT) {
+    pPayload->msgType = TDMT_VND_SUBMIT;
+  } else if (pNode->type == TSDB_SQL_CREATE_TABLE) {
+    pPayload->msgType = TDMT_VND_CREATE_TABLE;
+  }
+
+  pPayload->payload = blocks;
+  (*pQueryPlan)->pExtInfo = pPayload;
 
   return TSDB_CODE_SUCCESS;
 }
@@ -69,7 +79,7 @@ int32_t createQueryPlan(const SQueryNode* pNode, SQueryPlanNode** pQueryPlan) {
 
     case TSDB_SQL_INSERT:
     case TSDB_SQL_CREATE_TABLE:
-      return createInsertPlan(pNode, pQueryPlan);
+      return createModificationOpPlan(pNode, pQueryPlan);
 
     default:
       return TSDB_CODE_FAILED;

source/libs/planner/src/physicalPlan.c

@@ -191,13 +191,15 @@ static SSubplan* initSubplan(SPlanContext* pCxt, int32_t type) {
   subplan->level = 0;
   if (NULL != pCxt->pCurrentSubplan) {
     subplan->level = pCxt->pCurrentSubplan->level + 1;
-    if (NULL == pCxt->pCurrentSubplan->pChildern) {
-      pCxt->pCurrentSubplan->pChildern = validPointer(taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES));
+    if (NULL == pCxt->pCurrentSubplan->pChildren) {
+      pCxt->pCurrentSubplan->pChildren = validPointer(taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES));
     }
-    taosArrayPush(pCxt->pCurrentSubplan->pChildern, &subplan);
+
+    taosArrayPush(pCxt->pCurrentSubplan->pChildren, &subplan);
     subplan->pParents = validPointer(taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES));
     taosArrayPush(subplan->pParents, &pCxt->pCurrentSubplan);
   }
+
   SArray* currentLevel;
   if (subplan->level >= taosArrayGetSize(pCxt->pDag->pSubplans)) {
     currentLevel = validPointer(taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES));
@@ -205,6 +207,7 @@ static SSubplan* initSubplan(SPlanContext* pCxt, int32_t type) {
   } else {
     currentLevel = taosArrayGetP(pCxt->pDag->pSubplans, subplan->level);
   }
+
   taosArrayPush(currentLevel, &subplan);
   pCxt->pCurrentSubplan = subplan;
   ++(pCxt->pDag->numOfSubplans);
@@ -278,6 +281,7 @@ static SPhyNode* createPhyNode(SPlanContext* pCxt, SQueryPlanNode* pPlanNode) {
     default:
       assert(false);
   }
+
   if (pPlanNode->pChildren != NULL && taosArrayGetSize(pPlanNode->pChildren) > 0) {
     node->pChildren = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES);
     size_t size = taosArrayGetSize(pPlanNode->pChildren);
@@ -287,30 +291,37 @@ static SPhyNode* createPhyNode(SPlanContext* pCxt, SQueryPlanNode* pPlanNode) {
       taosArrayPush(node->pChildren, &child);
     }
   }
+
   return node;
 }
 
-static void splitInsertSubplan(SPlanContext* pCxt, SQueryPlanNode* pPlanNode) {
-  SArray* vgs = (SArray*)pPlanNode->pExtInfo;
-  size_t numOfVg = taosArrayGetSize(vgs);
-  for (int32_t i = 0; i < numOfVg; ++i) {
+static void splitModificationOpSubPlan(SPlanContext* pCxt, SQueryPlanNode* pPlanNode) {
+  SDataPayloadInfo* pPayload = (SDataPayloadInfo*) pPlanNode->pExtInfo;
+
+  size_t numOfVgroups = taosArrayGetSize(pPayload->payload);
+  for (int32_t i = 0; i < numOfVgroups; ++i) {
     STORE_CURRENT_SUBPLAN(pCxt);
     SSubplan* subplan = initSubplan(pCxt, QUERY_TYPE_MODIFY);
-    SVgDataBlocks* blocks = (SVgDataBlocks*)taosArrayGetP(vgs, i);
+    SVgDataBlocks* blocks = (SVgDataBlocks*)taosArrayGetP(pPayload->payload, i);
+
     vgroupInfoToEpSet(&blocks->vg, &subplan->execNode);
-    subplan->pNode = NULL;
     subplan->pDataSink = createDataInserter(pCxt, blocks);
+    subplan->pNode   = NULL;
     subplan->type    = QUERY_TYPE_MODIFY;
+    subplan->msgType = pPayload->msgType;
+
     RECOVERY_CURRENT_SUBPLAN(pCxt);
   }
 }
 
 static void createSubplanByLevel(SPlanContext* pCxt, SQueryPlanNode* pRoot) {
   if (QNODE_MODIFY == pRoot->info.type) {
-    splitInsertSubplan(pCxt, pRoot);
+    splitModificationOpSubPlan(pCxt, pRoot);
   } else {
     SSubplan* subplan  = initSubplan(pCxt, QUERY_TYPE_MERGE);
     ++(pCxt->nextId.templateId);
+
+    subplan->msgType   = TDMT_VND_QUERY;
     subplan->pNode     = createPhyNode(pCxt, pRoot);
     subplan->pDataSink = createDataDispatcher(pCxt, pRoot);
   }
@@ -325,6 +336,7 @@ int32_t createDag(SQueryPlanNode* pQueryNode, struct SCatalog* pCatalog, SQueryD
       .pCurrentSubplan = NULL,
       .nextId = {0} // todo queryid
     };
+
     *pDag = context.pDag;
     context.pDag->pSubplans = validPointer(taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES));
     createSubplanByLevel(&context, pQueryNode);
@@ -336,6 +348,6 @@ int32_t createDag(SQueryPlanNode* pQueryNode, struct SCatalog* pCatalog, SQueryD
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t setSubplanExecutionNode(SSubplan* subplan, uint64_t templateId, SEpAddr* ep) {
+int32_t setSubplanExecutionNode(SSubplan* subplan, uint64_t templateId, SQueryNodeAddr* ep) {
   //todo
 }

source/libs/planner/src/physicalPlanJson.c

@@ -793,7 +793,7 @@ static cJSON* subplanToJson(const SSubplan* subplan) {
     return NULL;
   }
 
-  // The 'type', 'level', 'execEpSet', 'pChildern' and 'pParents' fields do not need to be serialized.
+  // The 'type', 'level', 'execEpSet', 'pChildren' and 'pParents' fields do not need to be serialized.
 
   bool res = addObject(jSubplan, jkSubplanId, subplanIdToJson, &subplan->id);
   if (res) {
@@ -835,7 +835,7 @@ int32_t subPlanToString(const SSubplan* subplan, char** str, int32_t* len) {
     SDataInserter* insert = (SDataInserter*)(subplan->pDataSink);
     *len = insert->size;
     *str = insert->pData;
-    insert->pData == NULL;
+    insert->pData = NULL;
     return TSDB_CODE_SUCCESS;
   }
 
@@ -844,6 +844,7 @@ int32_t subPlanToString(const SSubplan* subplan, char** str, int32_t* len) {
     terrno = TSDB_CODE_TSC_OUT_OF_MEMORY;
     return TSDB_CODE_FAILED;
   }
+
   *str = cJSON_Print(json);
   *len = strlen(*str) + 1;
   return TSDB_CODE_SUCCESS;

source/libs/planner/src/planner.c

@@ -31,22 +31,25 @@ int32_t qCreateQueryDag(const struct SQueryNode* pNode, struct SQueryDag** pDag)
     destroyQueryPlan(logicPlan);
     return code;
   }
+
   code = optimizeQueryPlan(logicPlan);
   if (TSDB_CODE_SUCCESS != code) {
     destroyQueryPlan(logicPlan);
     return code;
   }
+
   code = createDag(logicPlan, NULL, pDag);
   if (TSDB_CODE_SUCCESS != code) {
     destroyQueryPlan(logicPlan);
     qDestroyQueryDag(*pDag);
     return code;
   }
+
   destroyQueryPlan(logicPlan);
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t qSetSubplanExecutionNode(SSubplan* subplan, uint64_t templateId, SEpAddr* ep) {
+int32_t qSetSubplanExecutionNode(SSubplan* subplan, uint64_t templateId, SQueryNodeAddr* ep) {
   return setSubplanExecutionNode(subplan, templateId, ep);
 }
 

source/libs/qcom/CMakeLists.txt

@@ -11,4 +11,6 @@ target_link_libraries(
     PRIVATE os util transport
 )
 
-ADD_SUBDIRECTORY(test)
+if(${BUILD_TEST})
+    ADD_SUBDIRECTORY(test)
+endif(${BUILD_TEST})

source/libs/qworker/CMakeLists.txt

@@ -11,4 +11,6 @@ target_link_libraries(
    PRIVATE os util transport planner qcom
 )
 
-ADD_SUBDIRECTORY(test)
\ No newline at end of file
+if(${BUILD_TEST})
+    ADD_SUBDIRECTORY(test)
+endif(${BUILD_TEST})
\ No newline at end of file

source/libs/scheduler/CMakeLists.txt

@@ -12,4 +12,6 @@ target_link_libraries(
         PRIVATE os util planner qcom common catalog transport
 )
 
-ADD_SUBDIRECTORY(test)
\ No newline at end of file
+if(${BUILD_TEST})
+    ADD_SUBDIRECTORY(test)
+endif(${BUILD_TEST})
\ No newline at end of file

source/libs/scheduler/inc/schedulerInt.h

@@ -66,7 +66,9 @@ typedef struct SSchTask {
   char                *msg;            // operator tree
   int32_t              msgLen;         // msg length
   int8_t               status;         // task status
-  SEpAddr              execAddr;   // task actual executed node address
+  SQueryNodeAddr       execAddr;       // task actual executed node address
+  int8_t               condidateIdx;   // current try condidation index
+  SArray              *condidateAddrs; // condidate node addresses, element is SQueryNodeAddr
   SQueryProfileSummary summary;        // task execution summary
   int32_t              childReady;     // child task ready number
   SArray              *children;       // the datasource tasks,from which to fetch the result, element is SQueryTask*

source/libs/scheduler/src/scheduler.c

@@ -28,7 +28,7 @@ int32_t schBuildTaskRalation(SSchJob *job, SHashObj *planToTask) {
     for (int32_t m = 0; m < level->taskNum; ++m) {
       SSchTask *task = taosArrayGet(level->subTasks, m);
       SSubplan *plan = task->plan;
-      int32_t childNum = plan->pChildern ? (int32_t)taosArrayGetSize(plan->pChildern) : 0;
+      int32_t childNum = plan->pChildren ? (int32_t)taosArrayGetSize(plan->pChildren) : 0;
       int32_t parentNum = plan->pParents ? (int32_t)taosArrayGetSize(plan->pParents) : 0;
 
       if (childNum > 0) {
@@ -40,7 +40,7 @@ int32_t schBuildTaskRalation(SSchJob *job, SHashObj *planToTask) {
       }
 
       for (int32_t n = 0; n < childNum; ++n) {
-        SSubplan **child = taosArrayGet(plan->pChildern, n);
+        SSubplan **child = taosArrayGet(plan->pChildren, n);
         SSchTask **childTask = taosHashGet(planToTask, child, POINTER_BYTES);
         if (NULL == childTask || NULL == *childTask) {
           qError("subplan relationship error, level:%d, taskIdx:%d, childIdx:%d", i, m, n);
@@ -122,6 +122,7 @@ int32_t schValidateAndBuildJob(SQueryDag *dag, SSchJob *job) {
     SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
 
+  //??
   job->attr.needFetch = true;
   
   job->levelNum = levelNum;
@@ -215,28 +216,49 @@ _return:
   SCH_RET(code);
 }
 
-int32_t schSetTaskExecEpSet(SSchJob *job, SEpSet *epSet) {  
-  if (epSet->numOfEps >= SCH_MAX_CONDIDATE_EP_NUM) {
+int32_t schSetTaskCondidateAddrs(SSchJob *job, SSchTask *task) {
+  if (task->condidateAddrs) {
     return TSDB_CODE_SUCCESS;
   }
 
+  task->condidateIdx = 0;
+  task->condidateAddrs = taosArrayInit(SCH_MAX_CONDIDATE_EP_NUM, sizeof(SQueryNodeAddr));
+  if (NULL == task->condidateAddrs) {
+    qError("taosArrayInit failed");
+    SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
+  }
+
+  if (task->plan->execNode.numOfEps > 0) {
+    if (NULL == taosArrayPush(task->condidateAddrs, &task->plan->execNode)) {
+      qError("taosArrayPush failed");
+      SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
+    }
+
+    return TSDB_CODE_SUCCESS;
+  }
+
+  int32_t addNum = 0;
   int32_t nodeNum = taosArrayGetSize(job->nodeList);
   
-  for (int32_t i = 0; i < nodeNum && epSet->numOfEps < tListLen(epSet->port); ++i) {
-    SEpAddr *addr = taosArrayGet(job->nodeList, i);
+  for (int32_t i = 0; i < nodeNum && addNum < SCH_MAX_CONDIDATE_EP_NUM; ++i) {
+    SQueryNodeAddr *naddr = taosArrayGet(job->nodeList, i);
     
-    strncpy(epSet->fqdn[epSet->numOfEps], addr->fqdn, sizeof(addr->fqdn));
-    epSet->port[epSet->numOfEps] = addr->port;
+    if (NULL == taosArrayPush(task->condidateAddrs, &task->plan->execNode)) {
+      qError("taosArrayPush failed");
+      SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
+    }
     
-    ++epSet->numOfEps;
+    ++addNum;
   }
 
-  for (int32_t i = 0; i < job->dataSrcEps.numOfEps && epSet->numOfEps < tListLen(epSet->port); ++i) {
+/*
+  for (int32_t i = 0; i < job->dataSrcEps.numOfEps && addNum < SCH_MAX_CONDIDATE_EP_NUM; ++i) {
     strncpy(epSet->fqdn[epSet->numOfEps], job->dataSrcEps.fqdn[i], sizeof(job->dataSrcEps.fqdn[i]));
     epSet->port[epSet->numOfEps] = job->dataSrcEps.port[i];
     
     ++epSet->numOfEps;
   }
+*/
 
   return TSDB_CODE_SUCCESS;
 }
@@ -383,8 +405,8 @@ int32_t schProcessOnTaskSuccess(SSchJob *job, SSchTask *task) {
         return TSDB_CODE_SUCCESS;
       }
     } else {
-      strncpy(job->resEp.fqdn, task->execAddr.fqdn, sizeof(job->resEp.fqdn));
-      job->resEp.port = task->execAddr.port;
+      strncpy(job->resEp.fqdn, task->execAddr.epAddr[task->execAddr.inUse].fqdn, sizeof(job->resEp.fqdn));
+      job->resEp.port = task->execAddr.epAddr[task->execAddr.inUse].port;
     }
 
     job->fetchTask = task;
@@ -394,12 +416,14 @@ int32_t schProcessOnTaskSuccess(SSchJob *job, SSchTask *task) {
     return TSDB_CODE_SUCCESS;
   }
 
+/*
   if (SCH_IS_DATA_SRC_TASK(task) && job->dataSrcEps.numOfEps < SCH_MAX_CONDIDATE_EP_NUM) {
     strncpy(job->dataSrcEps.fqdn[job->dataSrcEps.numOfEps], task->execAddr.fqdn, sizeof(task->execAddr.fqdn));
     job->dataSrcEps.port[job->dataSrcEps.numOfEps] = task->execAddr.port;
 
     ++job->dataSrcEps.numOfEps;
   }
+*/
 
   for (int32_t i = 0; i < parentNum; ++i) {
     SSchTask *par = *(SSchTask **)taosArrayGet(task->parents, i);
@@ -456,12 +480,24 @@ int32_t schProcessOnTaskFailure(SSchJob *job, SSchTask *task, int32_t errCode) {
 int32_t schProcessRspMsg(SSchJob *job, SSchTask *task, int32_t msgType, char *msg, int32_t msgSize, int32_t rspCode) {
   int32_t code = 0;
 
+
   switch (msgType) {
+    case TDMT_VND_CREATE_TABLE_RSP: {
+      if (rspCode != TSDB_CODE_SUCCESS) {
+        SCH_ERR_JRET(schProcessOnTaskFailure(job, task, rspCode));
+      } else {
+//        job->resNumOfRows += rsp->affectedRows;
+        code = schProcessOnTaskSuccess(job, task);
+        if (code) {
+          goto _task_error;
+        }
+      }
+    }
     case TDMT_VND_SUBMIT_RSP: {
-        SShellSubmitRspMsg *rsp = (SShellSubmitRspMsg *)msg;
-        if (rsp->code != TSDB_CODE_SUCCESS) {
-          SCH_ERR_JRET(schProcessOnTaskFailure(job, task, rsp->code));
+        if (rspCode != TSDB_CODE_SUCCESS) {
+          SCH_ERR_JRET(schProcessOnTaskFailure(job, task, rspCode));
         } else {
+          SShellSubmitRspMsg *rsp = (SShellSubmitRspMsg *)msg;
           job->resNumOfRows += rsp->affectedRows;
 
           code = schProcessOnTaskSuccess(job, task);
@@ -547,22 +583,29 @@ int32_t schHandleCallback(void* param, const SDataBuf* pMsg, int32_t msgType, in
 
 _return:  
   tfree(param);
-
   SCH_RET(code);
 }
 
 int32_t schHandleSubmitCallback(void* param, const SDataBuf* pMsg, int32_t code) {
   return schHandleCallback(param, pMsg, TDMT_VND_SUBMIT_RSP, code);
 }
+
+int32_t schHandleCreateTableCallback(void* param, const SDataBuf* pMsg, int32_t code) {
+  return schHandleCallback(param, pMsg, TDMT_VND_CREATE_TABLE_RSP, code);
+}
+
 int32_t schHandleQueryCallback(void* param, const SDataBuf* pMsg, int32_t code) {
   return schHandleCallback(param, pMsg, TDMT_VND_QUERY_RSP, code);
 }
+
 int32_t schHandleFetchCallback(void* param, const SDataBuf* pMsg, int32_t code) {
   return schHandleCallback(param, pMsg, TDMT_VND_FETCH_RSP, code);
 }
+
 int32_t schHandleReadyCallback(void* param, const SDataBuf* pMsg, int32_t code) {
   return schHandleCallback(param, pMsg, TDMT_VND_RES_READY_RSP, code);
 }
+
 int32_t schHandleDropCallback(void* param, const SDataBuf* pMsg, int32_t code) {  
   SSchCallbackParam *pParam = (SSchCallbackParam *)param;
   qDebug("drop task rsp received, queryId:%"PRIx64 ",taksId:%"PRIx64 ",code:%d", pParam->queryId, pParam->taskId, code);
@@ -570,6 +613,9 @@ int32_t schHandleDropCallback(void* param, const SDataBuf* pMsg, int32_t code) {
 
 int32_t schGetCallbackFp(int32_t msgType, __async_send_cb_fn_t *fp) {
   switch (msgType) {
+    case TDMT_VND_CREATE_TABLE:
+      *fp = schHandleCreateTableCallback;
+      break;
     case TDMT_VND_SUBMIT: 
       *fp = schHandleSubmitCallback;
       break;
@@ -633,6 +679,16 @@ _return:
   SCH_RET(code);
 }
 
+void schConvertAddrToEpSet(SQueryNodeAddr *addr, SEpSet *epSet) {
+  epSet->inUse = addr->inUse;
+  epSet->numOfEps = addr->numOfEps;
+  
+  for (int8_t i = 0; i < epSet->numOfEps; ++i) {
+    strncpy(epSet->fqdn[i], addr->epAddr[i].fqdn, sizeof(addr->epAddr[i].fqdn));
+    epSet->port[i] = addr->epAddr[i].port;
+  }
+}
+
 
 int32_t schBuildAndSendMsg(SSchJob *job, SSchTask *task, int32_t msgType) {
   uint32_t msgSize = 0;
@@ -640,6 +696,7 @@ int32_t schBuildAndSendMsg(SSchJob *job, SSchTask *task, int32_t msgType) {
   int32_t code = 0;
   
   switch (msgType) {
+    case TDMT_VND_CREATE_TABLE:
     case TDMT_VND_SUBMIT: {
       if (NULL == task->msg || task->msgLen <= 0) {
         qError("submit msg is NULL");
@@ -665,6 +722,7 @@ int32_t schBuildAndSendMsg(SSchJob *job, SSchTask *task, int32_t msgType) {
 
       SSubQueryMsg *pMsg = msg;
 
+      pMsg->header.vgId = htonl(task->plan->execNode.nodeId);
       pMsg->sId = htobe64(schMgmt.sId);
       pMsg->queryId = htobe64(job->queryId);
       pMsg->taskId = htobe64(task->taskId);
@@ -681,6 +739,8 @@ int32_t schBuildAndSendMsg(SSchJob *job, SSchTask *task, int32_t msgType) {
       }
 
       SResReadyMsg *pMsg = msg;
+      
+      pMsg->header.vgId = htonl(task->plan->execNode.nodeId);      
       pMsg->sId = htobe64(schMgmt.sId);      
       pMsg->queryId = htobe64(job->queryId);
       pMsg->taskId = htobe64(task->taskId);      
@@ -698,6 +758,8 @@ int32_t schBuildAndSendMsg(SSchJob *job, SSchTask *task, int32_t msgType) {
       }
     
       SResFetchMsg *pMsg = msg;
+      
+      pMsg->header.vgId = htonl(task->plan->execNode.nodeId);            
       pMsg->sId = htobe64(schMgmt.sId);      
       pMsg->queryId = htobe64(job->queryId);
       pMsg->taskId = htobe64(task->taskId);      
@@ -712,6 +774,8 @@ int32_t schBuildAndSendMsg(SSchJob *job, SSchTask *task, int32_t msgType) {
       }
     
       STaskDropMsg *pMsg = msg;
+      
+      pMsg->header.vgId = htonl(task->plan->execNode.nodeId);            
       pMsg->sId = htobe64(schMgmt.sId);      
       pMsg->queryId = htobe64(job->queryId);
       pMsg->taskId = htobe64(task->taskId);      
@@ -723,7 +787,12 @@ int32_t schBuildAndSendMsg(SSchJob *job, SSchTask *task, int32_t msgType) {
       break;
   }
 
-  SCH_ERR_JRET(schAsyncSendMsg(job->transport, &task->plan->execEpSet, job->queryId, task->taskId, msgType, msg, msgSize));
+  SEpSet epSet;
+  SQueryNodeAddr *addr = taosArrayGet(task->condidateAddrs, task->condidateIdx);
+  
+  schConvertAddrToEpSet(addr, &epSet);
+
+  SCH_ERR_JRET(schAsyncSendMsg(job->transport, &epSet, job->queryId, task->taskId, msgType, msg, msgSize));
 
   return TSDB_CODE_SUCCESS;
 
@@ -737,28 +806,22 @@ _return:
 int32_t schLaunchTask(SSchJob *job, SSchTask *task) {
   SSubplan *plan = task->plan;
   SCH_ERR_RET(qSubPlanToString(plan, &task->msg, &task->msgLen));
-  if (plan->execEpSet.numOfEps <= 0) {
-    SCH_ERR_RET(schSetTaskExecEpSet(job, &plan->execEpSet));
-  }
+  SCH_ERR_RET(schSetTaskCondidateAddrs(job, task));
 
-  if (plan->execEpSet.numOfEps <= 0) {
-    SCH_TASK_ERR_LOG("invalid execEpSet num:%d", plan->execEpSet.numOfEps);
+  if (NULL == task->condidateAddrs || taosArrayGetSize(task->condidateAddrs) <= 0) {
+    SCH_TASK_ERR_LOG("no valid condidate node for task:%"PRIx64, task->taskId);
     SCH_ERR_RET(TSDB_CODE_SCH_INTERNAL_ERROR);
   }
 
-  int32_t msgType = (plan->type == QUERY_TYPE_MODIFY) ? TDMT_VND_SUBMIT : TDMT_VND_QUERY;
-  
-  SCH_ERR_RET(schBuildAndSendMsg(job, task, msgType));
+//  int32_t msgType = (plan->type == QUERY_TYPE_MODIFY)? TDMT_VND_SUBMIT : TDMT_VND_QUERY;
   
+  SCH_ERR_RET(schBuildAndSendMsg(job, task, plan->msgType));
   SCH_ERR_RET(schPushTaskToExecList(job, task));
 
   task->status = JOB_TASK_STATUS_EXECUTING;
-
   return TSDB_CODE_SUCCESS;
 }
 
-
-
 int32_t schLaunchJob(SSchJob *job) {
   SSchLevel *level = taosArrayGet(job->levels, job->levelIdx);
   for (int32_t i = 0; i < level->taskNum; ++i) {

source/libs/scheduler/test/schedulerTests.cpp

@@ -54,11 +54,13 @@ void schtBuildQueryDag(SQueryDag *dag) {
   scanPlan.id.templateId = 0x0000000000000002;
   scanPlan.id.subplanId = 0x0000000000000003;
   scanPlan.type = QUERY_TYPE_SCAN;
+  scanPlan.execNode.numOfEps = 1;
+  scanPlan.execNode.nodeId = 1;
+  scanPlan.execNode.inUse = 0;
+  scanPlan.execNode.epAddr[0].port = 6030;
+  strcpy(scanPlan.execNode.epAddr[0].fqdn, "ep0");
+  scanPlan.pChildren = NULL;
   scanPlan.level = 1;
-  scanPlan.execEpSet.numOfEps = 1;
-  scanPlan.execEpSet.port[0] = 6030;
-  strcpy(scanPlan.execEpSet.fqdn[0], "ep0");
-  scanPlan.pChildern = NULL;
   scanPlan.pParents = taosArrayInit(1, POINTER_BYTES);
   scanPlan.pNode = (SPhyNode*)calloc(1, sizeof(SPhyNode));
 
@@ -67,15 +69,15 @@ void schtBuildQueryDag(SQueryDag *dag) {
   mergePlan.id.subplanId = 0x5555555555;
   mergePlan.type = QUERY_TYPE_MERGE;
   mergePlan.level = 0;
-  mergePlan.execEpSet.numOfEps = 0;
-  mergePlan.pChildern = taosArrayInit(1, POINTER_BYTES);
+  mergePlan.execNode.numOfEps = 0;
+  mergePlan.pChildren = taosArrayInit(1, POINTER_BYTES);
   mergePlan.pParents = NULL;
   mergePlan.pNode = (SPhyNode*)calloc(1, sizeof(SPhyNode));
 
   SSubplan *mergePointer = (SSubplan *)taosArrayPush(merge, &mergePlan);
   SSubplan *scanPointer = (SSubplan *)taosArrayPush(scan, &scanPlan);
 
-  taosArrayPush(mergePointer->pChildern, &scanPointer);
+  taosArrayPush(mergePointer->pChildren, &scanPointer);
   taosArrayPush(scanPointer->pParents, &mergePointer);
 
   taosArrayPush(dag->pSubplans, &merge);  
@@ -97,10 +99,12 @@ void schtBuildInsertDag(SQueryDag *dag) {
   insertPlan[0].id.subplanId = 0x0000000000000004;
   insertPlan[0].type = QUERY_TYPE_MODIFY;
   insertPlan[0].level = 0;
-  insertPlan[0].execEpSet.numOfEps = 1;
-  insertPlan[0].execEpSet.port[0] = 6030;
-  strcpy(insertPlan[0].execEpSet.fqdn[0], "ep0");
-  insertPlan[0].pChildern = NULL;
+  insertPlan[0].execNode.numOfEps = 1;
+  insertPlan[0].execNode.nodeId = 1;
+  insertPlan[0].execNode.inUse = 0;
+  insertPlan[0].execNode.epAddr[0].port = 6030;
+  strcpy(insertPlan[0].execNode.epAddr[0].fqdn, "ep0");
+  insertPlan[0].pChildren = NULL;
   insertPlan[0].pParents = NULL;
   insertPlan[0].pNode = NULL;
   insertPlan[0].pDataSink = (SDataSink*)calloc(1, sizeof(SDataSink));
@@ -110,10 +114,12 @@ void schtBuildInsertDag(SQueryDag *dag) {
   insertPlan[1].id.subplanId = 0x0000000000000005;
   insertPlan[1].type = QUERY_TYPE_MODIFY;
   insertPlan[1].level = 0;
-  insertPlan[1].execEpSet.numOfEps = 1;
-  insertPlan[1].execEpSet.port[0] = 6030;
-  strcpy(insertPlan[1].execEpSet.fqdn[0], "ep1");
-  insertPlan[1].pChildern = NULL;
+  insertPlan[1].execNode.numOfEps = 1;
+  insertPlan[1].execNode.nodeId = 1;
+  insertPlan[1].execNode.inUse = 1;
+  insertPlan[1].execNode.epAddr[0].port = 6030;
+  strcpy(insertPlan[1].execNode.epAddr[0].fqdn, "ep1");
+  insertPlan[1].pChildren = NULL;
   insertPlan[1].pParents = NULL;
   insertPlan[1].pNode = NULL;
   insertPlan[1].pDataSink = (SDataSink*)calloc(1, sizeof(SDataSink));
@@ -132,7 +138,7 @@ int32_t schtPlanToString(const SSubplan *subplan, char** str, int32_t* len) {
   return 0;
 }
 
-int32_t schtExecNode(SSubplan* subplan, uint64_t templateId, SEpAddr* ep) {
+int32_t schtExecNode(SSubplan* subplan, uint64_t templateId, SQueryNodeAddr* ep) {
   return 0;
 }
 

source/util/CMakeLists.txt

@@ -14,4 +14,7 @@ target_link_libraries(
     PUBLIC api
 )
 
-ADD_SUBDIRECTORY(test)
+if(${BUILD_TEST})
+    ADD_SUBDIRECTORY(test)
+endif(${BUILD_TEST})
+

source/util/src/encode.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 "encode.h"
+
+#if __STDC_VERSION__ >= 201112L
+static_assert(sizeof(float) == sizeof(uint32_t), "sizeof(float) must equal to sizeof(uint32_t)");
+static_assert(sizeof(double) == sizeof(uint64_t), "sizeof(double) must equal to sizeof(uint64_t)");
+#endif
+
+void tCoderInit(SCoder* pCoder, td_endian_t endian, uint8_t* data, int32_t size, td_coder_t type) {
+  if (type == TD_ENCODER) {
+    if (data == NULL) size = 0;
+  } else {
+    ASSERT(data && size > 0);
+  }
+
+  pCoder->type = type;
+  pCoder->endian = endian;
+  pCoder->data = data;
+  pCoder->size = size;
+  pCoder->pos = 0;
+  tFreeListInit(&(pCoder->fl));
+  TD_SLIST_INIT(&(pCoder->stack));
+}
+
+void tCoderClear(SCoder* pCoder) {
+  tFreeListClear(&(pCoder->fl));
+  struct SCoderNode* pNode;
+  for (;;) {
+    pNode = TD_SLIST_HEAD(&(pCoder->stack));
+    if (pNode == NULL) break;
+    TD_SLIST_POP(&(pCoder->stack));
+    free(pNode);
+  }
+}
+
+int tStartEncode(SCoder* pCoder) {
+  struct SCoderNode* pNode;
+
+  ASSERT(pCoder->type == TD_ENCODER);
+  if (pCoder->data) {
+    if (pCoder->size - pCoder->pos < sizeof(int32_t)) return -1;
+
+    pNode = malloc(sizeof(*pNode));
+    if (pNode == NULL) return -1;
+
+    pNode->data = pCoder->data;
+    pNode->pos = pCoder->pos;
+    pNode->size = pCoder->size;
+
+    pCoder->data = pNode->data + pNode->pos + sizeof(int32_t);
+    pCoder->pos = 0;
+    pCoder->size = pNode->size - pNode->pos - sizeof(int32_t);
+
+    TD_SLIST_PUSH(&(pCoder->stack), pNode);
+  } else {
+    pCoder->pos += sizeof(int32_t);
+  }
+  return 0;
+}
+
+void tEndEncode(SCoder* pCoder) {
+  struct SCoderNode* pNode;
+  int32_t            len;
+
+  ASSERT(pCoder->type == TD_ENCODER);
+  if (pCoder->data) {
+    pNode = TD_SLIST_HEAD(&(pCoder->stack));
+    ASSERT(pNode);
+    TD_SLIST_POP(&(pCoder->stack));
+
+    len = pCoder->pos;
+
+    pCoder->data = pNode->data;
+    pCoder->size = pNode->size;
+    pCoder->pos = pNode->pos;
+
+    if (TD_RT_ENDIAN() == pCoder->endian) {
+      tPut(int32_t, pCoder->data + pCoder->pos, len);
+    } else {
+      tRPut32(pCoder->data + pCoder->pos, len);
+    }
+
+    TD_CODER_MOVE_POS(pCoder, len + sizeof(int32_t));
+
+    free(pNode);
+  }
+}
+
+int tStartDecode(SCoder* pCoder) {
+  int32_t            len;
+  struct SCoderNode* pNode;
+
+  ASSERT(pCoder->type == TD_DECODER);
+  if (tDecodeI32(pCoder, &len) < 0) return -1;
+
+  pNode = malloc(sizeof(*pNode));
+  if (pNode == NULL) return -1;
+
+  pNode->data = pCoder->data;
+  pNode->pos = pCoder->pos;
+  pNode->size = pCoder->size;
+
+  pCoder->data = pNode->data + pNode->pos;
+  pCoder->size = len;
+  pCoder->pos = 0;
+
+  TD_SLIST_PUSH(&(pCoder->stack), pNode);
+
+  return 0;
+}
+
+void tEndDecode(SCoder* pCoder) {
+  struct SCoderNode* pNode;
+
+  ASSERT(pCoder->type == TD_DECODER);
+  ASSERT(tDecodeIsEnd(pCoder));
+
+  pNode = TD_SLIST_HEAD(&(pCoder->stack));
+  ASSERT(pNode);
+  TD_SLIST_POP(&(pCoder->stack));
+
+  pCoder->data = pNode->data;
+  pCoder->size = pNode->size;
+  pCoder->pos = pCoder->pos + pNode->pos;
+
+  free(pNode);
+}

source/util/test/CMakeLists.txt

@@ -41,4 +41,8 @@ target_sources(freelistTest
 )
 target_link_libraries(freelistTest os util gtest gtest_main)
 
+# encodeTest
+add_executable(encodeTest "encodeTest.cpp")
+target_link_libraries(encodeTest os util gtest gtest_main)
+