This commit is contained in:
Hongze Cheng 2022-04-19 02:18:11 +00:00
parent 763a5550d0
commit 3a50257aa3
6 changed files with 138 additions and 144 deletions

View File

@ -1432,7 +1432,6 @@ typedef struct {
typedef struct SVCreateTbReq {
int64_t ver; // use a general definition
char* dbFName;
char* name;
uint32_t ttl;
uint32_t keep;

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@ -398,7 +398,6 @@ int32_t tSerializeSVCreateTbReq(void **buf, SVCreateTbReq *pReq) {
int32_t tlen = 0;
tlen += taosEncodeFixedI64(buf, pReq->ver);
tlen += taosEncodeString(buf, pReq->dbFName);
tlen += taosEncodeString(buf, pReq->name);
tlen += taosEncodeFixedU32(buf, pReq->ttl);
tlen += taosEncodeFixedU32(buf, pReq->keep);
@ -467,7 +466,6 @@ int32_t tSerializeSVCreateTbReq(void **buf, SVCreateTbReq *pReq) {
void *tDeserializeSVCreateTbReq(void *buf, SVCreateTbReq *pReq) {
buf = taosDecodeFixedI64(buf, &(pReq->ver));
buf = taosDecodeString(buf, &(pReq->dbFName));
buf = taosDecodeString(buf, &(pReq->name));
buf = taosDecodeFixedU32(buf, &(pReq->ttl));
buf = taosDecodeFixedU32(buf, &(pReq->keep));

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@ -349,7 +349,6 @@ static void *mndBuildVCreateStbReq(SMnode *pMnode, SVgObj *pVgroup, SStbObj *pSt
SVCreateTbReq req = {0};
req.ver = 0;
req.dbFName = dbFName;
req.name = (char *)tNameGetTableName(&name);
req.ttl = 0;
req.keep = 0;

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@ -217,7 +217,6 @@ static int vnodeProcessCreateStbReq(SVnode *pVnode, void *pReq) {
taosMemoryFree(vCreateTbReq.stbCfg.pRSmaParam->pFuncIds);
taosMemoryFree(vCreateTbReq.stbCfg.pRSmaParam);
}
taosMemoryFree(vCreateTbReq.dbFName);
taosMemoryFree(vCreateTbReq.name);
return 0;
@ -233,7 +232,7 @@ static int vnodeProcessCreateTbReq(SVnode *pVnode, SRpcMsg *pMsg, void *pReq, SR
char tableFName[TSDB_TABLE_FNAME_LEN];
SMsgHead *pHead = (SMsgHead *)pMsg->pCont;
sprintf(tableFName, "%s.%s", pCreateTbReq->dbFName, pCreateTbReq->name);
sprintf(tableFName, "%s.%s", pVnode->config.dbname, pCreateTbReq->name);
int32_t code = vnodeValidateTableHash(&pVnode->config, tableFName);
if (code) {
@ -249,7 +248,6 @@ static int vnodeProcessCreateTbReq(SVnode *pVnode, SRpcMsg *pMsg, void *pReq, SR
}
// TODO: to encapsule a free API
taosMemoryFree(pCreateTbReq->name);
taosMemoryFree(pCreateTbReq->dbFName);
if (pCreateTbReq->type == TD_SUPER_TABLE) {
taosMemoryFree(pCreateTbReq->stbCfg.pSchema);
taosMemoryFree(pCreateTbReq->stbCfg.pTagSchema);
@ -298,7 +296,6 @@ static int vnodeProcessAlterStbReq(SVnode *pVnode, void *pReq) {
taosMemoryFree(vAlterTbReq.stbCfg.pRSmaParam->pFuncIds);
taosMemoryFree(vAlterTbReq.stbCfg.pRSmaParam);
}
taosMemoryFree(vAlterTbReq.dbFName);
taosMemoryFree(vAlterTbReq.name);
return 0;
}

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@ -15,8 +15,8 @@
#include "parInsertData.h"
#include "parInt.h"
#include "parUtil.h"
#include "parToken.h"
#include "parUtil.h"
#include "tglobal.h"
#include "ttime.h"
#include "ttypes.h"
@ -50,7 +50,7 @@
typedef struct SInsertParseContext {
SParseContext* pComCxt; // input
char *pSql; // input
char* pSql; // input
SMsgBuf msg; // input
STableMeta* pTableMeta; // each table
SParsedDataColInfo tags; // each table
@ -65,7 +65,7 @@ typedef struct SInsertParseContext {
SVnodeModifOpStmt* pOutput;
} SInsertParseContext;
typedef int32_t (*_row_append_fn_t)(SMsgBuf* pMsgBuf, const void *value, int32_t len, void *param);
typedef int32_t (*_row_append_fn_t)(SMsgBuf* pMsgBuf, const void* value, int32_t len, void* param);
static uint8_t TRUE_VALUE = (uint8_t)TSDB_TRUE;
static uint8_t FALSE_VALUE = (uint8_t)TSDB_FALSE;
@ -187,7 +187,7 @@ static int32_t createSName(SName* pName, SToken* pTableName, SParseContext* pPar
int32_t tbLen = pTableName->n - dbLen - 1;
char tbname[TSDB_TABLE_FNAME_LEN] = {0};
strncpy(tbname, p + 1, tbLen);
/*tbLen = */strdequote(tbname);
/*tbLen = */ strdequote(tbname);
code = tNameFromString(pName, tbname, T_NAME_TABLE);
if (code != 0) {
@ -228,25 +228,23 @@ static int32_t getTableMetaImpl(SInsertParseContext* pCxt, SToken* pTname, bool
SName name = {0};
createSName(&name, pTname, pBasicCtx, &pCxt->msg);
if (isStb) {
CHECK_CODE(catalogGetSTableMeta(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, &name, &pCxt->pTableMeta));
CHECK_CODE(catalogGetSTableMeta(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, &name,
&pCxt->pTableMeta));
} else {
CHECK_CODE(catalogGetTableMeta(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, &name, &pCxt->pTableMeta));
CHECK_CODE(catalogGetTableMeta(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, &name,
&pCxt->pTableMeta));
}
SVgroupInfo vg;
CHECK_CODE(catalogGetTableHashVgroup(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, &name, &vg));
CHECK_CODE(
catalogGetTableHashVgroup(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, &name, &vg));
CHECK_CODE(taosHashPut(pCxt->pVgroupsHashObj, (const char*)&vg.vgId, sizeof(vg.vgId), (char*)&vg, sizeof(vg)));
return TSDB_CODE_SUCCESS;
}
static int32_t getTableMeta(SInsertParseContext* pCxt, SToken* pTname) {
return getTableMetaImpl(pCxt, pTname, false);
}
static int32_t getSTableMeta(SInsertParseContext* pCxt, SToken* pTname) {
return getTableMetaImpl(pCxt, pTname, true);
}
static int32_t getTableMeta(SInsertParseContext* pCxt, SToken* pTname) { return getTableMetaImpl(pCxt, pTname, false); }
static int32_t getSTableMeta(SInsertParseContext* pCxt, SToken* pTname) { return getTableMetaImpl(pCxt, pTname, true); }
static int32_t findCol(SToken* pColname, int32_t start, int32_t end, SSchema* pSchema) {
while (start < end) {
@ -301,13 +299,13 @@ static int32_t buildOutput(SInsertParseContext* pCxt) {
return TSDB_CODE_SUCCESS;
}
static int32_t checkTimestamp(STableDataBlocks *pDataBlocks, const char *start) {
static int32_t checkTimestamp(STableDataBlocks* pDataBlocks, const char* start) {
// once the data block is disordered, we do NOT keep previous timestamp any more
if (!pDataBlocks->ordered) {
return TSDB_CODE_SUCCESS;
}
TSKEY k = *(TSKEY *)start;
TSKEY k = *(TSKEY*)start;
if (k <= pDataBlocks->prevTS) {
pDataBlocks->ordered = false;
}
@ -316,7 +314,7 @@ static int32_t checkTimestamp(STableDataBlocks *pDataBlocks, const char *start)
return TSDB_CODE_SUCCESS;
}
static int parseTime(char **end, SToken *pToken, int16_t timePrec, int64_t *time, SMsgBuf* pMsgBuf) {
static int parseTime(char** end, SToken* pToken, int16_t timePrec, int64_t* time, SMsgBuf* pMsgBuf) {
int32_t index = 0;
SToken sToken;
int64_t interval;
@ -340,7 +338,7 @@ static int parseTime(char **end, SToken *pToken, int16_t timePrec, int64_t *time
for (int k = pToken->n; pToken->z[k] != '\0'; k++) {
if (pToken->z[k] == ' ' || pToken->z[k] == '\t') continue;
if (pToken->z[k] == '(' && pToken->z[k + 1] == ')') { //for insert NOW()/TODAY()
if (pToken->z[k] == '(' && pToken->z[k + 1] == ')') { // for insert NOW()/TODAY()
*end = pTokenEnd = &pToken->z[k + 2];
k++;
continue;
@ -391,8 +389,10 @@ static int parseTime(char **end, SToken *pToken, int16_t timePrec, int64_t *time
}
static FORCE_INLINE int32_t checkAndTrimValue(SToken* pToken, uint32_t type, char* tmpTokenBuf, SMsgBuf* pMsgBuf) {
if ((pToken->type != TK_NOW && pToken->type != TK_TODAY && pToken->type != TK_NK_INTEGER && pToken->type != TK_NK_STRING && pToken->type != TK_NK_FLOAT &&
pToken->type != TK_NK_BOOL && pToken->type != TK_NULL && pToken->type != TK_NK_HEX && pToken->type != TK_NK_OCT && pToken->type != TK_NK_BIN) ||
if ((pToken->type != TK_NOW && pToken->type != TK_TODAY && pToken->type != TK_NK_INTEGER &&
pToken->type != TK_NK_STRING && pToken->type != TK_NK_FLOAT && pToken->type != TK_NK_BOOL &&
pToken->type != TK_NULL && pToken->type != TK_NK_HEX && pToken->type != TK_NK_OCT &&
pToken->type != TK_NK_BIN) ||
(pToken->n == 0) || (pToken->type == TK_NK_RP)) {
return buildSyntaxErrMsg(pMsgBuf, "invalid data or symbol", pToken->z);
}
@ -431,12 +431,12 @@ static FORCE_INLINE int32_t checkAndTrimValue(SToken* pToken, uint32_t type, cha
return TSDB_CODE_SUCCESS;
}
static bool isNullStr(SToken *pToken) {
static bool isNullStr(SToken* pToken) {
return (pToken->type == TK_NULL) || ((pToken->type == TK_NK_STRING) && (pToken->n != 0) &&
(strncasecmp(TSDB_DATA_NULL_STR_L, pToken->z, pToken->n) == 0));
}
static FORCE_INLINE int32_t toDouble(SToken *pToken, double *value, char **endPtr) {
static FORCE_INLINE int32_t toDouble(SToken* pToken, double* value, char** endPtr) {
errno = 0;
*value = strtold(pToken->z, endPtr);
@ -448,9 +448,10 @@ static FORCE_INLINE int32_t toDouble(SToken *pToken, double *value, char **endPt
return pToken->type;
}
static int32_t parseValueToken(char** end, SToken* pToken, SSchema* pSchema, int16_t timePrec, char* tmpTokenBuf, _row_append_fn_t func, void* param, SMsgBuf* pMsgBuf) {
static int32_t parseValueToken(char** end, SToken* pToken, SSchema* pSchema, int16_t timePrec, char* tmpTokenBuf,
_row_append_fn_t func, void* param, SMsgBuf* pMsgBuf) {
int64_t iv;
char *endptr = NULL;
char* endptr = NULL;
bool isSigned = false;
int32_t code = checkAndTrimValue(pToken, pSchema->type, tmpTokenBuf, pMsgBuf);
@ -497,7 +498,7 @@ static int32_t parseValueToken(char** end, SToken* pToken, SSchema* pSchema, int
return func(pMsgBuf, &tmpVal, pSchema->bytes, param);
}
case TSDB_DATA_TYPE_UTINYINT:{
case TSDB_DATA_TYPE_UTINYINT: {
if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv, &isSigned)) {
return buildSyntaxErrMsg(pMsgBuf, "invalid unsigned tinyint data", pToken->z);
} else if (!IS_VALID_UTINYINT(iv)) {
@ -571,7 +572,8 @@ static int32_t parseValueToken(char** end, SToken* pToken, SSchema* pSchema, int
if (TK_NK_ILLEGAL == toDouble(pToken, &dv, &endptr)) {
return buildSyntaxErrMsg(pMsgBuf, "illegal float data", pToken->z);
}
if (((dv == HUGE_VAL || dv == -HUGE_VAL) && errno == ERANGE) || dv > FLT_MAX || dv < -FLT_MAX || isinf(dv) || isnan(dv)) {
if (((dv == HUGE_VAL || dv == -HUGE_VAL) && errno == ERANGE) || dv > FLT_MAX || dv < -FLT_MAX || isinf(dv) ||
isnan(dv)) {
return buildSyntaxErrMsg(pMsgBuf, "illegal float data", pToken->z);
}
float tmpVal = (float)dv;
@ -729,13 +731,13 @@ static int32_t parseBoundColumns(SInsertParseContext* pCxt, SParsedDataColInfo*
}
typedef struct SKvParam {
SKVRowBuilder *builder;
SSchema *schema;
SKVRowBuilder* builder;
SSchema* schema;
char buf[TSDB_MAX_TAGS_LEN];
} SKvParam;
static int32_t KvRowAppend(SMsgBuf* pMsgBuf, const void *value, int32_t len, void *param) {
SKvParam* pa = (SKvParam*) param;
static int32_t KvRowAppend(SMsgBuf* pMsgBuf, const void* value, int32_t len, void* param) {
SKvParam* pa = (SKvParam*)param;
int8_t type = pa->schema->type;
int16_t colId = pa->schema->colId;
@ -749,7 +751,8 @@ static int32_t KvRowAppend(SMsgBuf* pMsgBuf, const void *value, int32_t len, voi
if (!taosMbsToUcs4(value, len, (TdUcs4*)varDataVal(pa->buf), pa->schema->bytes - VARSTR_HEADER_SIZE, &output)) {
char buf[512] = {0};
snprintf(buf, tListLen(buf), "%s", strerror(errno));
return buildSyntaxErrMsg(pMsgBuf, buf, value);;
return buildSyntaxErrMsg(pMsgBuf, buf, value);
;
}
varDataSetLen(pa->buf, output);
@ -765,7 +768,6 @@ static int32_t buildCreateTbReq(SInsertParseContext* pCxt, const SName* pName, S
char dbFName[TSDB_DB_FNAME_LEN] = {0};
tNameGetFullDbName(pName, dbFName);
pCxt->createTblReq.type = TD_CHILD_TABLE;
pCxt->createTblReq.dbFName = strdup(dbFName);
pCxt->createTblReq.name = strdup(pName->tname);
pCxt->createTblReq.ctbCfg.suid = pCxt->pTableMeta->suid;
pCxt->createTblReq.ctbCfg.pTag = row;
@ -786,7 +788,8 @@ static int32_t parseTagsClause(SInsertParseContext* pCxt, SSchema* pSchema, uint
NEXT_TOKEN_WITH_PREV(pCxt->pSql, sToken);
SSchema* pTagSchema = &pSchema[pCxt->tags.boundColumns[i] - 1]; // colId starts with 1
param.schema = pTagSchema;
CHECK_CODE(parseValueToken(&pCxt->pSql, &sToken, pTagSchema, precision, tmpTokenBuf, KvRowAppend, &param, &pCxt->msg));
CHECK_CODE(
parseValueToken(&pCxt->pSql, &sToken, pTagSchema, precision, tmpTokenBuf, KvRowAppend, &param, &pCxt->msg));
}
SKVRow row = tdGetKVRowFromBuilder(&pCxt->tagsBuilder);
@ -864,7 +867,8 @@ static int32_t parseUsingClause(SInsertParseContext* pCxt, SToken* pTbnameToken)
return TSDB_CODE_SUCCESS;
}
static int parseOneRow(SInsertParseContext* pCxt, STableDataBlocks* pDataBlocks, int16_t timePrec, int32_t* len, char* tmpTokenBuf) {
static int parseOneRow(SInsertParseContext* pCxt, STableDataBlocks* pDataBlocks, int16_t timePrec, int32_t* len,
char* tmpTokenBuf) {
SParsedDataColInfo* spd = &pDataBlocks->boundColumnInfo;
SRowBuilder* pBuilder = &pDataBlocks->rowBuilder;
STSRow* row = (STSRow*)(pDataBlocks->pData + pDataBlocks->size); // skip the SSubmitBlk header
@ -885,7 +889,7 @@ static int parseOneRow(SInsertParseContext* pCxt, STableDataBlocks* pDataBlocks,
if (PRIMARYKEY_TIMESTAMP_COL_ID == pSchema->colId) {
TSKEY tsKey = TD_ROW_KEY(row);
if (checkTimestamp(pDataBlocks, (const char *)&tsKey) != TSDB_CODE_SUCCESS) {
if (checkTimestamp(pDataBlocks, (const char*)&tsKey) != TSDB_CODE_SUCCESS) {
buildSyntaxErrMsg(&pCxt->msg, "client time/server time can not be mixed up", sToken.z);
return TSDB_CODE_TSC_INVALID_TIME_STAMP;
}
@ -934,7 +938,7 @@ static int32_t parseValues(SInsertParseContext* pCxt, STableDataBlocks* pDataBlo
int32_t len = 0;
CHECK_CODE(parseOneRow(pCxt, pDataBlock, tinfo.precision, &len, tmpTokenBuf));
pDataBlock->size += extendedRowSize; //len;
pDataBlock->size += extendedRowSize; // len;
NEXT_TOKEN(pCxt->pSql, sToken);
if (TK_NK_RP != sToken.type) {
@ -957,7 +961,7 @@ static int32_t parseValuesClause(SInsertParseContext* pCxt, STableDataBlocks* da
int32_t numOfRows = 0;
CHECK_CODE(parseValues(pCxt, dataBuf, maxNumOfRows, &numOfRows));
SSubmitBlk *pBlocks = (SSubmitBlk *)(dataBuf->pData);
SSubmitBlk* pBlocks = (SSubmitBlk*)(dataBuf->pData);
if (TSDB_CODE_SUCCESS != setBlockInfo(pBlocks, dataBuf, numOfRows)) {
return buildInvalidOperationMsg(&pCxt->msg, "too many rows in sql, total number of rows should be less than 32767");
}
@ -968,7 +972,6 @@ static int32_t parseValuesClause(SInsertParseContext* pCxt, STableDataBlocks* da
}
static void destroyCreateSubTbReq(SVCreateTbReq* pReq) {
taosMemoryFreeClear(pReq->dbFName);
taosMemoryFreeClear(pReq->name);
taosMemoryFreeClear(pReq->ctbCfg.pTag);
}
@ -1023,7 +1026,8 @@ static int32_t parseInsertBody(SInsertParseContext* pCxt) {
// no data in the sql string anymore.
if (sToken.n == 0) {
if (0 == pCxt->totalNum) {
return buildInvalidOperationMsg(&pCxt->msg, "no data in sql");;
return buildInvalidOperationMsg(&pCxt->msg, "no data in sql");
;
}
break;
}
@ -1039,9 +1043,10 @@ static int32_t parseInsertBody(SInsertParseContext* pCxt) {
CHECK_CODE(getTableMeta(pCxt, &tbnameToken));
}
STableDataBlocks *dataBuf = NULL;
STableDataBlocks* dataBuf = NULL;
CHECK_CODE(getDataBlockFromList(pCxt->pTableBlockHashObj, pCxt->pTableMeta->uid, TSDB_DEFAULT_PAYLOAD_SIZE,
sizeof(SSubmitBlk), getTableInfo(pCxt->pTableMeta).rowSize, pCxt->pTableMeta, &dataBuf, NULL, &pCxt->createTblReq));
sizeof(SSubmitBlk), getTableInfo(pCxt->pTableMeta).rowSize, pCxt->pTableMeta,
&dataBuf, NULL, &pCxt->createTblReq));
if (TK_NK_LP == sToken.type) {
// pSql -> field1_name, ...)
@ -1071,7 +1076,8 @@ static int32_t parseInsertBody(SInsertParseContext* pCxt) {
return buildSyntaxErrMsg(&pCxt->msg, "keyword VALUES or FILE is expected", sToken.z);
}
// merge according to vgId
if (!TSDB_QUERY_HAS_TYPE(pCxt->pOutput->insertType, TSDB_QUERY_TYPE_STMT_INSERT) && taosHashGetSize(pCxt->pTableBlockHashObj) > 0) {
if (!TSDB_QUERY_HAS_TYPE(pCxt->pOutput->insertType, TSDB_QUERY_TYPE_STMT_INSERT) &&
taosHashGetSize(pCxt->pTableBlockHashObj) > 0) {
CHECK_CODE(mergeTableDataBlocks(pCxt->pTableBlockHashObj, pCxt->pOutput->payloadType, &pCxt->pVgDataBlocks));
}
return buildOutput(pCxt);
@ -1086,18 +1092,17 @@ static int32_t parseInsertBody(SInsertParseContext* pCxt) {
int32_t parseInsertSql(SParseContext* pContext, SQuery** pQuery) {
SInsertParseContext context = {
.pComCxt = pContext,
.pSql = (char*) pContext->pSql,
.pSql = (char*)pContext->pSql,
.msg = {.buf = pContext->pMsg, .len = pContext->msgLen},
.pTableMeta = NULL,
.pVgroupsHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), true, false),
.pTableBlockHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, false),
.pSubTableHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_VARCHAR), true, false),
.totalNum = 0,
.pOutput = (SVnodeModifOpStmt*)nodesMakeNode(QUERY_NODE_VNODE_MODIF_STMT)
};
.pOutput = (SVnodeModifOpStmt*)nodesMakeNode(QUERY_NODE_VNODE_MODIF_STMT)};
if (NULL == context.pVgroupsHashObj || NULL == context.pTableBlockHashObj ||
NULL == context.pSubTableHashObj || NULL == context.pOutput) {
if (NULL == context.pVgroupsHashObj || NULL == context.pTableBlockHashObj || NULL == context.pSubTableHashObj ||
NULL == context.pOutput) {
return TSDB_CODE_TSC_OUT_OF_MEMORY;
}

View File

@ -2747,7 +2747,6 @@ static void toSchemaEx(const SColumnDefNode* pCol, col_id_t colId, SSchema* pSch
}
static void destroyCreateTbReq(SVCreateTbReq* pReq) {
taosMemoryFreeClear(pReq->dbFName);
taosMemoryFreeClear(pReq->name);
taosMemoryFreeClear(pReq->ntbCfg.pSchema);
}
@ -2784,7 +2783,6 @@ static int32_t buildNormalTableBatchReq(int32_t acctId, const SCreateTableStmt*
SVCreateTbReq req = {0};
req.type = TD_NORMAL_TABLE;
req.dbFName = strdup(dbFName);
req.name = strdup(pStmt->tableName);
req.ntbCfg.nCols = LIST_LENGTH(pStmt->pCols);
req.ntbCfg.pSchema = taosMemoryCalloc(req.ntbCfg.nCols, sizeof(SSchema));
@ -2843,7 +2841,6 @@ static void destroyCreateTbReqBatch(SVgroupTablesBatch* pTbBatch) {
size_t size = taosArrayGetSize(pTbBatch->req.pArray);
for (int32_t i = 0; i < size; ++i) {
SVCreateTbReq* pTableReq = taosArrayGet(pTbBatch->req.pArray, i);
taosMemoryFreeClear(pTableReq->dbFName);
taosMemoryFreeClear(pTableReq->name);
if (pTableReq->type == TSDB_NORMAL_TABLE) {
@ -2929,7 +2926,6 @@ static void addCreateTbReqIntoVgroup(int32_t acctId, SHashObj* pVgroupHashmap, c
struct SVCreateTbReq req = {0};
req.type = TD_CHILD_TABLE;
req.dbFName = strdup(dbFName);
req.name = strdup(pTableName);
req.ctbCfg.suid = suid;
req.ctbCfg.pTag = row;