enh(tq): update tb uid when droping table

source/client/src/tmq.c

@@ -1435,7 +1435,7 @@ TAOS_RES* tmq_consumer_poll(tmq_t* tmq, int64_t wait_time) {
 
   while (1) {
     tmqHandleAllDelayedTask(tmq);
-    tmqPollImpl(tmq, wait_time);
+    if (tmqPollImpl(tmq, wait_time) < 0) return NULL;
 
     rspObj = tmqHandleAllRsp(tmq, wait_time, false);
     if (rspObj) {

source/dnode/vnode/inc/vnode.h

@@ -128,6 +128,7 @@ int     tqReadHandleSetTbUidList(STqReadHandle *pHandle, const SArray *tbUidList
 int     tqReadHandleAddTbUidList(STqReadHandle *pHandle, const SArray *tbUidList);
 int32_t tqReadHandleSetMsg(STqReadHandle *pHandle, SSubmitReq *pMsg, int64_t ver);
 bool    tqNextDataBlock(STqReadHandle *pHandle);
+bool    tqNextDataBlockFilterOut(STqReadHandle *pHandle, SHashObj *filterOutUids);
 int32_t tqRetrieveDataBlock(SArray **ppCols, STqReadHandle *pHandle, uint64_t *pGroupId, uint64_t *pUid,
                             int32_t *pNumOfRows, int16_t *pNumOfCols);
 

source/dnode/vnode/src/inc/tq.h

@@ -163,6 +163,7 @@ typedef struct {
   int8_t        withSchema;
   int8_t        withTag;
   char*         qmsg;
+  SHashObj*     pDropTbUid;
   STqPushHandle pushHandle;
   // SRWLatch        lock;
   SWalReadHandle* pWalReader;

source/dnode/vnode/src/inc/vnodeInt.h

@@ -82,7 +82,7 @@ int             metaCreateSTable(SMeta* pMeta, int64_t version, SVCreateStbReq*
 int             metaAlterSTable(SMeta* pMeta, int64_t version, SVCreateStbReq* pReq);
 int             metaDropSTable(SMeta* pMeta, int64_t verison, SVDropStbReq* pReq);
 int             metaCreateTable(SMeta* pMeta, int64_t version, SVCreateTbReq* pReq);
-int             metaDropTable(SMeta* pMeta, int64_t version, SVDropTbReq* pReq);
+int             metaDropTable(SMeta* pMeta, int64_t version, SVDropTbReq* pReq, SArray* tbUids);
 int             metaAlterTable(SMeta* pMeta, int64_t version, SVAlterTbReq* pReq);
 SSchemaWrapper* metaGetTableSchema(SMeta* pMeta, tb_uid_t uid, int32_t sver, bool isinline);
 STSchema*       metaGetTbTSchema(SMeta* pMeta, tb_uid_t uid, int32_t sver);

source/dnode/vnode/src/meta/metaTable.c

@@ -255,7 +255,7 @@ _err:
   return -1;
 }
 
-int metaDropTable(SMeta *pMeta, int64_t version, SVDropTbReq *pReq) {
+int metaDropTable(SMeta *pMeta, int64_t version, SVDropTbReq *pReq, SArray *tbUids) {
   TBC        *pTbDbc = NULL;
   TBC        *pUidIdxc = NULL;
   TBC        *pNameIdxc = NULL;
@@ -336,6 +336,7 @@ int metaDropTable(SMeta *pMeta, int64_t version, SVDropTbReq *pReq) {
   if (type == TSDB_CHILD_TABLE) {
     ctime = me.ctbEntry.ctime;
     suid = me.ctbEntry.suid;
+    taosArrayPush(tbUids, &me.uid);
   } else if (type == TSDB_NORMAL_TABLE) {
     ctime = me.ntbEntry.ctime;
     suid = 0;

source/dnode/vnode/src/tq/tq.c

@@ -111,7 +111,17 @@ int32_t tqUpdateTbUidList(STQ* pTq, const SArray* tbUidList, bool isAdd) {
     pIter = taosHashIterate(pTq->execs, pIter);
     if (pIter == NULL) break;
     pExec = (STqExec*)pIter;
-    if (pExec->subType == TOPIC_SUB_TYPE__DB) continue;
+    if (pExec->subType == TOPIC_SUB_TYPE__DB) {
+      if (isAdd) {
+        continue;
+      } else {
+        int32_t sz = taosArrayGetSize(tbUidList);
+        for (int32_t i = 0; i < sz; i++) {
+          int64_t tbUid = *(int64_t*)taosArrayGet(tbUidList, i);
+          taosHashPut(pExec->pDropTbUid, &tbUid, sizeof(int64_t), NULL, 0);
+        }
+      }
+    }
     for (int32_t i = 0; i < 5; i++) {
       int32_t code = qUpdateQualifiedTableId(pExec->task[i], tbUidList, isAdd);
       ASSERT(code == 0);
@@ -582,7 +592,7 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId) {
         rsp.withSchema = 1;
         STqReadHandle* pReader = pExec->pExecReader[workerId];
         tqReadHandleSetMsg(pReader, pCont, 0);
-        while (tqNextDataBlock(pReader)) {
+        while (tqNextDataBlockFilterOut(pReader, pExec->pDropTbUid)) {
           SSDataBlock block = {0};
           if (tqRetrieveDataBlock(&block.pDataBlock, pReader, &block.info.groupId, &block.info.uid, &block.info.rows,
                                   &block.info.numOfCols) < 0) {
@@ -915,9 +925,10 @@ int32_t tqProcessVgChangeReq(STQ* pTq, char* msg, int32_t msgLen) {
     req.qmsg = NULL;
 
     pExec->pWalReader = walOpenReadHandle(pTq->pVnode->pWal);
+    if (pExec->subType == TOPIC_SUB_TYPE__TABLE) {
       for (int32_t i = 0; i < 5; i++) {
         pExec->pExecReader[i] = tqInitSubmitMsgScanner(pTq->pVnode->pMeta);
-      if (pExec->subType == TOPIC_SUB_TYPE__TABLE) {
+
         SReadHandle handle = {
             .reader = pExec->pExecReader[i],
             .meta = pTq->pVnode->pMeta,
@@ -925,9 +936,12 @@ int32_t tqProcessVgChangeReq(STQ* pTq, char* msg, int32_t msgLen) {
         };
         pExec->task[i] = qCreateStreamExecTaskInfo(pExec->qmsg, &handle);
         ASSERT(pExec->task[i]);
+      }
     } else {
-        pExec->task[i] = NULL;
+      for (int32_t i = 0; i < 5; i++) {
+        pExec->pExecReader[i] = tqInitSubmitMsgScanner(pTq->pVnode->pMeta);
       }
+      pExec->pDropTbUid = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false, HASH_NO_LOCK);
     }
     taosHashPut(pTq->execs, req.subKey, strlen(req.subKey), pExec, sizeof(STqExec));
     return 0;

source/dnode/vnode/src/tq/tqRead.c

@@ -64,22 +64,28 @@ bool tqNextDataBlock(STqReadHandle* pHandle) {
     }
     if (pHandle->pBlock == NULL) return false;
 
-    /*pHandle->pBlock->uid = htobe64(pHandle->pBlock->uid);*/
-    /*if (pHandle->tbUid == pHandle->pBlock->uid) {*/
     if (pHandle->tbIdHash == NULL) {
       return true;
     }
     void* ret = taosHashGet(pHandle->tbIdHash, &pHandle->msgIter.uid, sizeof(int64_t));
     if (ret != NULL) {
-      /*printf("retrieve one tb %ld\n", pHandle->pBlock->uid);*/
-      /*pHandle->pBlock->tid = htonl(pHandle->pBlock->tid);*/
-      /*pHandle->pBlock->sversion = htonl(pHandle->pBlock->sversion);*/
-      /*pHandle->pBlock->dataLen = htonl(pHandle->pBlock->dataLen);*/
-      /*pHandle->pBlock->schemaLen = htonl(pHandle->pBlock->schemaLen);*/
-      /*pHandle->pBlock->numOfRows = htons(pHandle->pBlock->numOfRows);*/
       return true;
-      /*} else {*/
-      /*printf("skip one tb %ld\n", pHandle->pBlock->uid);*/
+    }
+  }
+  return false;
+}
+
+bool tqNextDataBlockFilterOut(STqReadHandle* pHandle, SHashObj* filterOutUids) {
+  while (1) {
+    if (tGetSubmitMsgNext(&pHandle->msgIter, &pHandle->pBlock) < 0) {
+      return false;
+    }
+    if (pHandle->pBlock == NULL) return false;
+
+    ASSERT(pHandle->tbIdHash == NULL);
+    void* ret = taosHashGet(filterOutUids, &pHandle->msgIter.uid, sizeof(int64_t));
+    if (ret == NULL) {
+      return true;
     }
   }
   return false;

source/dnode/vnode/src/vnd/vnodeSvr.c

@@ -62,11 +62,6 @@ int vnodeProcessWriteReq(SVnode *pVnode, SRpcMsg *pMsg, int64_t version, SRpcMsg
   pReq = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
   len = pMsg->contLen - sizeof(SMsgHead);
 
-  if (tqPushMsg(pVnode->pTq, pMsg->pCont, pMsg->contLen, pMsg->msgType, version) < 0) {
-    vError("vgId:%d failed to push msg to TQ since %s", TD_VID(pVnode), tstrerror(terrno));
-    return -1;
-  }
-
   switch (pMsg->msgType) {
     /* META */
     case TDMT_VND_CREATE_STB:
@@ -125,6 +120,11 @@ int vnodeProcessWriteReq(SVnode *pVnode, SRpcMsg *pMsg, int64_t version, SRpcMsg
 
   vDebug("vgId:%d process %s request success, version: %" PRId64, TD_VID(pVnode), TMSG_INFO(pMsg->msgType), version);
 
+  if (tqPushMsg(pVnode->pTq, pMsg->pCont, pMsg->contLen, pMsg->msgType, version) < 0) {
+    vError("vgId:%d failed to push msg to TQ since %s", TD_VID(pVnode), tstrerror(terrno));
+    return -1;
+  }
+
   // commit if need
   if (vnodeShouldCommit(pVnode)) {
     vInfo("vgId:%d commit at version %" PRId64, TD_VID(pVnode), version);
@@ -517,7 +517,7 @@ static int vnodeProcessDropTbReq(SVnode *pVnode, int64_t version, void *pReq, in
   SDecoder         decoder = {0};
   SEncoder         encoder = {0};
   int              ret;
-  SArray          *tbUids;
+  SArray          *tbUids = NULL;
 
   pRsp->msgType = TDMT_VND_DROP_TABLE_RSP;
   pRsp->pCont = NULL;
@@ -543,7 +543,7 @@ static int vnodeProcessDropTbReq(SVnode *pVnode, int64_t version, void *pReq, in
     SVDropTbRsp  dropTbRsp = {0};
 
     /* code */
-    ret = metaDropTable(pVnode->pMeta, version, pDropTbReq);
+    ret = metaDropTable(pVnode->pMeta, version, pDropTbReq, tbUids);
     if (ret < 0) {
       if (pDropTbReq->igNotExists && terrno == TSDB_CODE_VND_TABLE_NOT_EXIST) {
         dropTbRsp.code = TSDB_CODE_SUCCESS;