feature/qnode

include/client/taos.h

@@ -146,6 +146,7 @@ DLL_EXPORT TAOS_RES   *taos_stmt_use_result(TAOS_STMT *stmt);
 DLL_EXPORT int         taos_stmt_close(TAOS_STMT *stmt);
 DLL_EXPORT char       *taos_stmt_errstr(TAOS_STMT *stmt);
 DLL_EXPORT int         taos_stmt_affected_rows(TAOS_STMT *stmt);
+DLL_EXPORT int         taos_stmt_affected_rows_once(TAOS_STMT *stmt);
 
 DLL_EXPORT TAOS_RES   *taos_query(TAOS *taos, const char *sql);
 DLL_EXPORT TAOS_RES   *taos_query_l(TAOS *taos, const char *sql, int sqlLen);

include/common/tmsg.h

@@ -680,6 +680,7 @@ int32_t tDeserializeSDropFuncReq(void* buf, int32_t bufLen, SDropFuncReq* pReq);
 
 typedef struct {
   int32_t numOfFuncs;
+  bool    ignoreCodeComment;
   SArray* pFuncNames;
 } SRetrieveFuncReq;
 
@@ -708,6 +709,7 @@ typedef struct {
 
 int32_t tSerializeSRetrieveFuncRsp(void* buf, int32_t bufLen, SRetrieveFuncRsp* pRsp);
 int32_t tDeserializeSRetrieveFuncRsp(void* buf, int32_t bufLen, SRetrieveFuncRsp* pRsp);
+void tFreeSFuncInfo(SFuncInfo *pInfo);
 void    tFreeSRetrieveFuncRsp(SRetrieveFuncRsp* pRsp);
 
 typedef struct {

include/libs/catalog/catalog.h

@@ -224,7 +224,7 @@ int32_t catalogGetDBCfg(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, cons
 
 int32_t catalogGetIndexInfo(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char* indexName, SIndexInfo* pInfo);
 
-int32_t catalogGetUdfInfo(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char* funcName, SFuncInfo* pInfo);
+int32_t catalogGetUdfInfo(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char* funcName, SFuncInfo** pInfo);
 
 
 /**

include/libs/function/functionMgt.h

@@ -119,9 +119,10 @@ typedef enum EFunctionType {
 struct SqlFunctionCtx;
 struct SResultRowEntryInfo;
 struct STimeWindow;
+struct SCatalog;
 
 typedef struct SFmGetFuncInfoParam {
-  SCatalog* pCtg;
+  struct SCatalog* pCtg;
   void *pRpc;
   const SEpSet* pMgmtEps;
 } SFmGetFuncInfoParam;

source/client/inc/clientStmt.h

@@ -60,6 +60,7 @@ typedef struct SStmtBindInfo {
 } SStmtBindInfo;
 
 typedef struct SStmtExecInfo {
+  int32_t      affectedRows;
   SRequestObj* pRequest;
   SHashObj*    pVgHash;
   SHashObj*    pBlockHash;

source/client/src/clientMain.c

@@ -622,6 +622,10 @@ int taos_stmt_set_tbname(TAOS_STMT *stmt, const char *name) {
   return stmtSetTbName(stmt, name);
 }
 
+int taos_stmt_set_sub_tbname(TAOS_STMT *stmt, const char *name) {
+  return taos_stmt_set_tbname(stmt, name);
+}
+
 int taos_stmt_bind_param(TAOS_STMT *stmt, TAOS_BIND_v2 *bind) {
   if (stmt == NULL || bind == NULL) {
     tscError("NULL parameter for %s", __FUNCTION__);

source/client/src/clientStmt.c

@@ -486,7 +486,8 @@ int stmtExec(TAOS_STMT *stmt) {
 
   STMT_ERR_JRET(pStmt->exec.pRequest->code);
 
-  pStmt->affectedRows += taos_affected_rows(pStmt->exec.pRequest);
+  pStmt->exec.affectedRows = taos_affected_rows(pStmt->exec.pRequest);
+  pStmt->affectedRows += pStmt->exec.affectedRows;
 
 _return:
 

source/common/src/tmsg.c

@@ -1624,6 +1624,7 @@ int32_t tSerializeSRetrieveFuncReq(void *buf, int32_t bufLen, SRetrieveFuncReq *
 
   if (tStartEncode(&encoder) < 0) return -1;
   if (tEncodeI32(&encoder, pReq->numOfFuncs) < 0) return -1;
+  if (tEncodeI8(&encoder, pReq->ignoreCodeComment) < 0) return -1;
 
   if (pReq->numOfFuncs != (int32_t)taosArrayGetSize(pReq->pFuncNames)) return -1;
   for (int32_t i = 0; i < pReq->numOfFuncs; ++i) {
@@ -1644,6 +1645,7 @@ int32_t tDeserializeSRetrieveFuncReq(void *buf, int32_t bufLen, SRetrieveFuncReq
 
   if (tStartDecode(&decoder) < 0) return -1;
   if (tDecodeI32(&decoder, &pReq->numOfFuncs) < 0) return -1;
+  if (tDecodeI8(&decoder, (int8_t *)&pReq->ignoreCodeComment) < 0) return -1;
 
   pReq->pFuncNames = taosArrayInit(pReq->numOfFuncs, TSDB_FUNC_NAME_LEN);
   if (pReq->pFuncNames == NULL) return -1;
@@ -1681,9 +1683,13 @@ int32_t tSerializeSRetrieveFuncRsp(void *buf, int32_t bufLen, SRetrieveFuncRsp *
     if (tEncodeI64(&encoder, pInfo->signature) < 0) return -1;
     if (tEncodeI32(&encoder, pInfo->codeSize) < 0) return -1;
     if (tEncodeI32(&encoder, pInfo->commentSize) < 0) return -1;
+    if (pInfo->codeSize) {
       if (tEncodeCStr(&encoder, pInfo->pCode) < 0) return -1;
+    }
+    if (pInfo->commentSize) {
       if (tEncodeCStr(&encoder, pInfo->pComment) < 0) return -1;
     }
+  }
 
   tEndEncode(&encoder);
 
@@ -1713,15 +1719,23 @@ int32_t tDeserializeSRetrieveFuncRsp(void *buf, int32_t bufLen, SRetrieveFuncRsp
     if (tDecodeI64(&decoder, &fInfo.signature) < 0) return -1;
     if (tDecodeI32(&decoder, &fInfo.codeSize) < 0) return -1;
     if (tDecodeI32(&decoder, &fInfo.commentSize) < 0) return -1;
+    if (fInfo.codeSize) {
       fInfo.pCode = taosMemoryCalloc(1, fInfo.codeSize);
-    fInfo.pComment = taosMemoryCalloc(1, fInfo.commentSize);
+      if (fInfo.pCode == NULL) {
-    if (fInfo.pCode == NULL || fInfo.pComment == NULL) {
         terrno = TSDB_CODE_OUT_OF_MEMORY;
         return -1;
       }
-
       if (tDecodeCStrTo(&decoder, fInfo.pCode) < 0) return -1;
+    }
+    if (fInfo.commentSize) {
+      fInfo.pComment = taosMemoryCalloc(1, fInfo.commentSize);
+      if (fInfo.pComment == NULL) {
+        terrno = TSDB_CODE_OUT_OF_MEMORY;
+        return -1;
+      }
       if (tDecodeCStrTo(&decoder, fInfo.pComment) < 0) return -1;
+    }
+
     taosArrayPush(pRsp->pFuncInfos, &fInfo);
   }
   tEndDecode(&decoder);
@@ -1730,12 +1744,20 @@ int32_t tDeserializeSRetrieveFuncRsp(void *buf, int32_t bufLen, SRetrieveFuncRsp
   return 0;
 }
 
+void tFreeSFuncInfo(SFuncInfo *pInfo) {
+  if (NULL == pInfo) {
+    return;
+  }
+
+  taosMemoryFree(pInfo->pCode);
+  taosMemoryFree(pInfo->pComment);
+}
+
 void tFreeSRetrieveFuncRsp(SRetrieveFuncRsp *pRsp) {
   int32_t size = taosArrayGetSize(pRsp->pFuncInfos);
   for (int32_t i = 0; i < size; ++i) {
     SFuncInfo *pInfo = taosArrayGet(pRsp->pFuncInfos, i);
-    taosMemoryFree(pInfo->pCode);
+    tFreeSFuncInfo(pInfo);
-    taosMemoryFree(pInfo->pComment);
   }
   taosArrayDestroy(pRsp->pFuncInfos);
 }

source/dnode/mnode/impl/src/mndFunc.c

@@ -427,7 +427,6 @@ static int32_t mndProcessRetrieveFuncReq(SNodeMsg *pReq) {
 
     SFuncObj *pFunc = mndAcquireFunc(pMnode, funcName);
     if (pFunc == NULL) {
-      terrno = TSDB_CODE_MND_INVALID_FUNC;
       goto RETRIEVE_FUNC_OVER;
     }
 
@@ -439,6 +438,10 @@ static int32_t mndProcessRetrieveFuncReq(SNodeMsg *pReq) {
     funcInfo.outputLen = pFunc->outputLen;
     funcInfo.bufSize = pFunc->bufSize;
     funcInfo.signature = pFunc->signature;
+    if (retrieveReq.ignoreCodeComment) {
+      funcInfo.commentSize = 0;
+      funcInfo.codeSize = 0;
+    } else {
       funcInfo.commentSize = pFunc->commentSize;
       funcInfo.codeSize = pFunc->codeSize;
       funcInfo.pCode = taosMemoryCalloc(1, funcInfo.codeSize);
@@ -455,6 +458,7 @@ static int32_t mndProcessRetrieveFuncReq(SNodeMsg *pReq) {
         }
         memcpy(funcInfo.pComment, pFunc->pComment, pFunc->commentSize);
       }
+    }
     taosArrayPush(retrieveRsp.pFuncInfos, &funcInfo);
     mndReleaseFunc(pMnode, pFunc);
   }
@@ -518,11 +522,16 @@ static int32_t mndRetrieveFuncs(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pB
     SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, numOfRows, (const char *)b1, false);
 
+    if (pFunc->pComment) {
       char *b2 = taosMemoryCalloc(1, pShow->bytes[cols]);
       STR_WITH_MAXSIZE_TO_VARSTR(b2, pFunc->pComment, pShow->bytes[cols]);
 
       pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
       colDataAppend(pColInfo, numOfRows, (const char *)b2, false);
+    } else {
+      pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+      colDataAppend(pColInfo, numOfRows, NULL, true);
+    }
 
     int32_t isAgg = (pFunc->funcType == TSDB_FUNC_TYPE_AGGREGATE) ? 1 : 0;
 

source/dnode/mnode/impl/src/mndInfoSchema.c

@@ -98,7 +98,7 @@ static const SInfosTableSchema userFuncSchema[] = {
     {.name = "name", .bytes = TSDB_FUNC_NAME_LEN - 1 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
     {.name = "comment", .bytes = PATH_MAX - 1 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
     {.name = "aggregate", .bytes = 4, .type = TSDB_DATA_TYPE_INT},
-    {.name = "comment", .bytes = TSDB_TYPE_STR_MAX_LEN - 1 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
+    {.name = "output_type", .bytes = TSDB_TYPE_STR_MAX_LEN - 1 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR},
     {.name = "create_time", .bytes = 8, .type = TSDB_DATA_TYPE_TIMESTAMP},
     {.name = "code_len", .bytes = 4, .type = TSDB_DATA_TYPE_INT},
     {.name = "bufsize", .bytes = 4, .type = TSDB_DATA_TYPE_INT},

source/libs/catalog/src/catalog.c

@@ -643,7 +643,7 @@ int32_t ctgGetIndexInfoFromMnode(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmt
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t ctgGetUdfInfoFromMnode(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char *funcName, SFuncInfo *out) {
+int32_t ctgGetUdfInfoFromMnode(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char *funcName, SFuncInfo **out) {
   char *msg = NULL;
   int32_t msgLen = 0;
 
@@ -665,11 +665,17 @@ int32_t ctgGetUdfInfoFromMnode(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEp
 
   rpcSendRecv(pRpc, (SEpSet*)pMgmtEps, &rpcMsg, &rpcRsp);
   if (TSDB_CODE_SUCCESS != rpcRsp.code) {
+    if (TSDB_CODE_MND_FUNC_NOT_EXIST == rpcRsp.code) {
+      ctgDebug("funcName %s not exist in mnode", funcName);
+      taosMemoryFreeClear(*out);
+      CTG_RET(TSDB_CODE_SUCCESS);
+    }
+    
     ctgError("error rsp for get udf, error:%s, funcName:%s", tstrerror(rpcRsp.code), funcName);
     CTG_ERR_RET(rpcRsp.code);
   }
 
-  code = queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_RETRIEVE_FUNC)](out, rpcRsp.pCont, rpcRsp.contLen);
+  code = queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_RETRIEVE_FUNC)](*out, rpcRsp.pCont, rpcRsp.contLen);
   if (code) {
     ctgError("Process get udf rsp failed, code:%x, funcName:%s", code, funcName);
     CTG_ERR_RET(code);
@@ -2848,14 +2854,28 @@ int32_t catalogGetIndexInfo(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps,
   CTG_API_LEAVE(ctgGetIndexInfoFromMnode(pCtg, pRpc, pMgmtEps, indexName, pInfo));
 }
 
-int32_t catalogGetUdfInfo(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char* funcName, SFuncInfo* pInfo) {
+int32_t catalogGetUdfInfo(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const char* funcName, SFuncInfo** pInfo) {
   CTG_API_ENTER();
   
   if (NULL == pCtg || NULL == pRpc || NULL == pMgmtEps || NULL == funcName || NULL == pInfo) {
     CTG_API_LEAVE(TSDB_CODE_CTG_INVALID_INPUT);
   }
 
-  CTG_API_LEAVE(ctgGetUdfInfoFromMnode(pCtg, pRpc, pMgmtEps, funcName, pInfo));
+  int32_t code = 0;
+  *pInfo = taosMemoryMalloc(sizeof(SFuncInfo));
+  if (NULL == *pInfo) {
+    CTG_API_LEAVE(TSDB_CODE_OUT_OF_MEMORY);
+  }
+
+  CTG_ERR_JRET(ctgGetUdfInfoFromMnode(pCtg, pRpc, pMgmtEps, funcName, pInfo));
+  
+_return:
+
+  if (code) {
+    taosMemoryFreeClear(*pInfo);    
+  }
+  
+  CTG_API_LEAVE(code);
 }
 
 

source/libs/function/src/functionMgt.c

@@ -77,8 +77,10 @@ static int32_t getUdfId(SFmGetFuncInfoParam* pParam, const char* pFuncName) {
   if (NULL == gFunMgtService.pUdfTable) {
     gFunMgtService.pUdfTable = taosArrayInit(TARRAY_MIN_SIZE, sizeof(SUdfInfo));
   }
-  SUdfInfo info = { .outputDt.type = pInfo->outputType, .outputDt.byts = pInfo->outputLen, .funcType = pInfo->funcType };
+  SUdfInfo info = { .outputDt.type = pInfo->outputType, .outputDt.bytes = pInfo->outputLen, .funcType = pInfo->funcType };
   taosArrayPush(gFunMgtService.pUdfTable, &info);
+  tFreeSFuncInfo(pInfo);
+  taosMemoryFree(pInfo);
   return taosArrayGetSize(gFunMgtService.pUdfTable) + FUNC_UDF_ID_START_OFFSET_VAL;
 }
 

source/libs/parser/src/parTranslater.c

@@ -1838,7 +1838,8 @@ static int32_t checkTableRollupOption(STranslateContext* pCxt, SNodeList* pFuncs
     return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_ROLLUP_OPTION);
   }
   SFunctionNode* pFunc = nodesListGetNode(pFuncs, 0);
-  if (TSDB_CODE_SUCCESS != fmGetFuncInfo(pFunc->functionName, &pFunc->funcId, &pFunc->funcType)) {
+  SFmGetFuncInfoParam param = { .pCtg = pCxt->pParseCxt->pCatalog, .pRpc = pCxt->pParseCxt->pTransporter, .pMgmtEps = &pCxt->pParseCxt->mgmtEpSet};  
+  if (TSDB_CODE_SUCCESS != fmGetFuncInfo(&param, pFunc->functionName, &pFunc->funcId, &pFunc->funcType)) {
     return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_FUNTION, pFunc->functionName);
   }
   return TSDB_CODE_SUCCESS;

source/libs/qcom/src/querymsg.c

@@ -164,6 +164,7 @@ int32_t queryBuildRetrieveFuncMsg(void *input, char **msg, int32_t msgSize, int3
 
   SRetrieveFuncReq funcReq = {0};
   funcReq.numOfFuncs = 1;
+  funcReq.ignoreCodeComment = true;
   funcReq.pFuncNames = taosArrayInit(1, strlen(input) + 1);
   taosArrayPush(funcReq.pFuncNames, input);