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performance issue

This commit is contained in:
dapan1121 2021-05-08 11:52:24 +08:00
parent 49948f2683
commit 020fa3dd06
2 changed files with 17 additions and 3 deletions
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16
src/client/src/tscPrepare.c
View File

@ -49,7 +49,8 @@ typedef struct SMultiTbStmt {
uint64_t currentUid;
uint32_t tbNum;
SStrToken tbname;
SHashObj *pTableHash;
SHashObj *pTableHash;
SHashObj *pTableBlockHashList; // data block for each table
} SMultiTbStmt;
typedef struct STscStmt {
@ -975,6 +976,7 @@ static void insertBatchClean(STscStmt* pStmt) {
tfree(pCmd->pTableNameList);
/*
STableDataBlocks** p = taosHashIterate(pCmd->pTableBlockHashList, NULL);
STableDataBlocks* pOneTableBlock = *p;
@ -993,10 +995,12 @@ static void insertBatchClean(STscStmt* pStmt) {
pOneTableBlock = *p;
}
*/
pCmd->pDataBlocks = tscDestroyBlockArrayList(pCmd->pDataBlocks);
pCmd->numOfTables = 0;
taosHashEmpty(pCmd->pTableBlockHashList);
tscFreeSqlResult(pSql);
tscFreeSubobj(pSql);
tfree(pSql->pSubs);
@ -1136,6 +1140,10 @@ int taos_stmt_prepare(TAOS_STMT* stmt, const char* sql, unsigned long length) {
if (pStmt->mtb.pTableHash == NULL) {
pStmt->mtb.pTableHash = taosHashInit(16, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, false);
}
if (pStmt->mtb.pTableBlockHashList == NULL) {
pStmt->mtb.pTableBlockHashList = taosHashInit(16, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, false);
}
return TSDB_CODE_SUCCESS;
}
@ -1183,7 +1191,7 @@ int taos_stmt_set_tbname(TAOS_STMT* stmt, const char* name) {
if (uid != NULL) {
pStmt->mtb.currentUid = *uid;
STableDataBlocks** t1 = (STableDataBlocks**)taosHashGet(pCmd->pTableBlockHashList, (const char*)&pStmt->mtb.currentUid, sizeof(pStmt->mtb.currentUid));
STableDataBlocks** t1 = (STableDataBlocks**)taosHashGet(pStmt->mtb.pTableBlockHashList, (const char*)&pStmt->mtb.currentUid, sizeof(pStmt->mtb.currentUid));
if (t1 == NULL) {
tscError("no table data block in hash list, uid:%" PRId64 , pStmt->mtb.currentUid);
return TSDB_CODE_TSC_APP_ERROR;
@ -1191,6 +1199,8 @@ int taos_stmt_set_tbname(TAOS_STMT* stmt, const char* name) {
SSubmitBlk* pBlk = (SSubmitBlk*) (*t1)->pData;
pCmd->batchSize = pBlk->numOfRows;
taosHashPut(pCmd->pTableBlockHashList, (void *)&pStmt->mtb.currentUid, sizeof(pStmt->mtb.currentUid), (void*)t1, POINTER_BYTES);
tscDebug("table:%s is already prepared, uid:%" PRIu64, name, pStmt->mtb.currentUid);
return TSDB_CODE_SUCCESS;
@ -1236,6 +1246,8 @@ int taos_stmt_set_tbname(TAOS_STMT* stmt, const char* name) {
pStmt->mtb.currentUid = pTableMeta->id.uid;
pStmt->mtb.tbNum++;
taosHashPut(pStmt->mtb.pTableBlockHashList, (void *)&pStmt->mtb.currentUid, sizeof(pStmt->mtb.currentUid), (void*)&pBlock, POINTER_BYTES);
taosHashPut(pStmt->mtb.pTableHash, name, strlen(name), (char*) &pTableMeta->id.uid, sizeof(pTableMeta->id.uid));

4
src/client/src/tscUtil.c
View File

@ -1316,8 +1316,10 @@ int32_t tscMergeTableDataBlocks(SSqlObj* pSql, bool freeBlockMap) {
// the length does not include the SSubmitBlk structure
pBlocks->dataLen = htonl(finalLen);
dataBuf->numOfTables += 1;
pBlocks->numOfRows = 0;
}else {
tscWarn("table %s data block is empty", pOneTableBlock->tableName.tname);
tscDebug("table %s data block is empty", pOneTableBlock->tableName.tname);
}
p = taosHashIterate(pCmd->pTableBlockHashList, p);