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T
TDengine
提交 2d85d019 编写于 作者: dengyihao's avatar dengyihao
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fix: add vgroup count

上级 c90e2aa7
隐藏空白更改
内联 并排
Showing with 75 addition and 67 deletion
include/common/tcommon.h
浏览文件 @ 2d85d019
......@@ -195,7 +195,7 @@ typedef struct SDataBlockInfo {
uint32_t capacity;
SBlockID id;
int16_t hasVarCol;
int16_t dataLoad; // denote if the data is loaded or not
int16_t dataLoad; // denote if the data is loaded or not
// TODO: optimize and remove following
int64_t version; // used for stream, and need serialization
......@@ -204,8 +204,8 @@ typedef struct SDataBlockInfo {
STimeWindow calWin; // used for stream, do not serialize
TSKEY watermark; // used for stream
char parTbName[TSDB_TABLE_NAME_LEN]; // used for stream partition
STag* pTag; // used for stream partition
char parTbName[TSDB_TABLE_NAME_LEN]; // used for stream partition
STag* pTag; // used for stream partition
} SDataBlockInfo;
typedef struct SSDataBlock {
......@@ -239,22 +239,22 @@ typedef struct SVarColAttr {
// pBlockAgg->numOfNull == info.rows, all data are null
// pBlockAgg->numOfNull == 0, no data are null.
typedef struct SColumnInfoData {
char* pData; // the corresponding block data in memory
char* pData; // the corresponding block data in memory
union {
char* nullbitmap; // bitmap, one bit for each item in the list
SVarColAttr varmeta;
};
SColumnInfo info; // column info
bool hasNull; // if current column data has null value.
SColumnInfo info; // column info
bool hasNull; // if current column data has null value.
} SColumnInfoData;
typedef struct SQueryTableDataCond {
uint64_t suid;
int32_t order; // desc|asc order to iterate the data block
int32_t order; // desc|asc order to iterate the data block
int32_t numOfCols;
SColumnInfo* colList;
int32_t* pSlotList; // the column output destation slot, and it may be null
int32_t type; // data block load type:
int32_t* pSlotList; // the column output destation slot, and it may be null
int32_t type; // data block load type:
STimeWindow twindows;
int64_t startVersion;
int64_t endVersion;
......@@ -300,6 +300,7 @@ typedef struct STableBlockDistInfo {
int32_t firstSeekTimeUs;
uint32_t numOfInmemRows;
uint32_t numOfSmallBlocks;
uint32_t numOfVgroups;
int32_t blockRowsHisto[20];
} STableBlockDistInfo;
......
source/libs/executor/src/sysscanoperator.c
浏览文件 @ 2d85d019
......@@ -81,10 +81,10 @@ typedef struct MergeIndex {
} MergeIndex;
typedef struct SBlockDistInfo {
SSDataBlock* pResBlock;
STsdbReader* pHandle;
SReadHandle readHandle;
uint64_t uid; // table uid
SSDataBlock* pResBlock;
STsdbReader* pHandle;
SReadHandle readHandle;
uint64_t uid; // table uid
} SBlockDistInfo;
static int32_t sysChkFilter__Comm(SNode* pNode);
......@@ -129,10 +129,10 @@ static char* SYSTABLE_IDX_COLUMN[] = {"table_name", "db_name", "create_time"
static char* SYSTABLE_SPECIAL_COL[] = {"db_name", "vgroup_id"};
static int32_t buildSysDbTableInfo(const SSysTableScanInfo* pInfo, int32_t capacity);
static SSDataBlock* buildInfoSchemaTableMetaBlock(char* tableName);
static void destroySysScanOperator(void* param);
static int32_t loadSysTableCallback(void* param, SDataBuf* pMsg, int32_t code);
static int32_t buildSysDbTableInfo(const SSysTableScanInfo* pInfo, int32_t capacity);
static SSDataBlock* buildInfoSchemaTableMetaBlock(char* tableName);
static void destroySysScanOperator(void* param);
static int32_t loadSysTableCallback(void* param, SDataBuf* pMsg, int32_t code);
static __optSysFilter optSysGetFilterFunc(int32_t ctype, bool* reverse);
static int32_t sysTableUserTagsFillOneTableTags(const SSysTableScanInfo* pInfo, SMetaReader* smrSuperTable,
......@@ -199,11 +199,11 @@ int32_t sysFilte__TableName(void* arg, SNode* pNode, SArray* result) {
if (func == NULL) return -1;
SMetaFltParam param = {.suid = 0,
.cid = 0,
.type = TSDB_DATA_TYPE_VARCHAR,
.val = pVal->datum.p,
.reverse = reverse,
.filterFunc = func};
.cid = 0,
.type = TSDB_DATA_TYPE_VARCHAR,
.val = pVal->datum.p,
.reverse = reverse,
.filterFunc = func};
return -1;
}
......@@ -218,11 +218,11 @@ int32_t sysFilte__CreateTime(void* arg, SNode* pNode, SArray* result) {
if (func == NULL) return -1;
SMetaFltParam param = {.suid = 0,
.cid = 0,
.type = TSDB_DATA_TYPE_BIGINT,
.val = &pVal->datum.i,
.reverse = reverse,
.filterFunc = func};
.cid = 0,
.type = TSDB_DATA_TYPE_BIGINT,
.val = &pVal->datum.i,
.reverse = reverse,
.filterFunc = func};
int32_t ret = metaFilterCreateTime(pMeta, &param, result);
return ret;
......@@ -350,9 +350,9 @@ static int32_t optSysMergeRslt(SArray* mRslt, SArray* rslt);
static SSDataBlock* sysTableScanFromMNode(SOperatorInfo* pOperator, SSysTableScanInfo* pInfo, const char* name,
SExecTaskInfo* pTaskInfo);
void extractTbnameSlotId(SSysTableScanInfo* pInfo, const SScanPhysiNode* pScanNode);
static void sysTableScanFillTbName(SOperatorInfo* pOperator, const SSysTableScanInfo* pInfo,
const char* name, SSDataBlock* pBlock);
__optSysFilter optSysGetFilterFunc(int32_t ctype, bool* reverse) {
static void sysTableScanFillTbName(SOperatorInfo* pOperator, const SSysTableScanInfo* pInfo, const char* name,
SSDataBlock* pBlock);
__optSysFilter optSysGetFilterFunc(int32_t ctype, bool* reverse) {
if (ctype == OP_TYPE_LOWER_EQUAL || ctype == OP_TYPE_LOWER_THAN) {
*reverse = true;
}
......@@ -516,9 +516,10 @@ static SSDataBlock* sysTableScanUserTags(SOperatorInfo* pOperator) {
metaTbCursorPrev(pInfo->pCur);
blockFull = true;
} else {
sysTableUserTagsFillOneTableTags(pInfo, &smrSuperTable, &pInfo->pCur->mr, dbname, tableName, &numOfRows, dataBlock);
sysTableUserTagsFillOneTableTags(pInfo, &smrSuperTable, &pInfo->pCur->mr, dbname, tableName, &numOfRows,
dataBlock);
}
metaReaderClear(&smrSuperTable);
if (blockFull || numOfRows >= pOperator->resultInfo.capacity) {
......@@ -1343,7 +1344,7 @@ static SSDataBlock* doSysTableScan(SOperatorInfo* pOperator) {
setOperatorCompleted(pOperator);
}
return pBlock->info.rows > 0? pBlock:NULL;
return pBlock->info.rows > 0 ? pBlock : NULL;
} else {
return NULL;
}
......@@ -1357,7 +1358,7 @@ static void sysTableScanFillTbName(SOperatorInfo* pOperator, const SSysTableScan
if (pInfo->tbnameSlotId != -1) {
SColumnInfoData* pColumnInfoData = (SColumnInfoData*)taosArrayGet(pBlock->pDataBlock, pInfo->tbnameSlotId);
char varTbName[TSDB_TABLE_FNAME_LEN - 1 + VARSTR_HEADER_SIZE] = {0};
char varTbName[TSDB_TABLE_FNAME_LEN - 1 + VARSTR_HEADER_SIZE] = {0};
memcpy(varDataVal(varTbName), name, strlen(name));
varDataSetLen(varTbName, strlen(name));
......@@ -1489,10 +1490,11 @@ SOperatorInfo* createSysTableScanOperatorInfo(void* readHandle, SSystemTableScan
setOperatorInfo(pOperator, "SysTableScanOperator", QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN, false, OP_NOT_OPENED,
pInfo, pTaskInfo);
pOperator->exprSupp.numOfExprs = taosArrayGetSize(pInfo->pRes->pDataBlock);
pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doSysTableScan, NULL, destroySysScanOperator, optrDefaultBufFn, NULL);
pOperator->fpSet =
createOperatorFpSet(optrDummyOpenFn, doSysTableScan, NULL, destroySysScanOperator, optrDefaultBufFn, NULL);
return pOperator;
_error:
_error:
if (pInfo != NULL) {
destroySysScanOperator(pInfo);
}
......@@ -1927,7 +1929,7 @@ static SSDataBlock* doBlockInfoScan(SOperatorInfo* pOperator) {
// make the valgrind happy that all memory buffer has been initialized already.
if (slotId != 0) {
SColumnInfoData* p1 = taosArrayGet(pBlock->pDataBlock, 0);
int64_t v = 0;
int64_t v = 0;
colDataAppendInt64(p1, 0, &v);
}
......@@ -1937,10 +1939,10 @@ static SSDataBlock* doBlockInfoScan(SOperatorInfo* pOperator) {
}
static void destroyBlockDistScanOperatorInfo(void* param) {
SBlockDistInfo* pDistInfo = (SBlockDistInfo*)param;
blockDataDestroy(pDistInfo->pResBlock);
tsdbReaderClose(pDistInfo->pHandle);
taosMemoryFreeClear(param);
SBlockDistInfo* pDistInfo = (SBlockDistInfo*)param;
blockDataDestroy(pDistInfo->pResBlock);
tsdbReaderClose(pDistInfo->pHandle);
taosMemoryFreeClear(param);
}
static int32_t initTableblockDistQueryCond(uint64_t uid, SQueryTableDataCond* pCond) {
......@@ -2001,7 +2003,7 @@ SOperatorInfo* createDataBlockInfoScanOperator(SReadHandle* readHandle, SBlockDi
}
pInfo->readHandle = *readHandle;
pInfo->uid = (pBlockScanNode->suid != 0)? pBlockScanNode->suid:pBlockScanNode->uid;
pInfo->uid = (pBlockScanNode->suid != 0) ? pBlockScanNode->suid : pBlockScanNode->uid;
int32_t numOfCols = 0;
SExprInfo* pExprInfo = createExprInfo(pBlockScanNode->pScanPseudoCols, NULL, &numOfCols);
......@@ -2012,8 +2014,8 @@ SOperatorInfo* createDataBlockInfoScanOperator(SReadHandle* readHandle, SBlockDi
setOperatorInfo(pOperator, "DataBlockDistScanOperator", QUERY_NODE_PHYSICAL_PLAN_BLOCK_DIST_SCAN, false,
OP_NOT_OPENED, pInfo, pTaskInfo);
pOperator->fpSet =
createOperatorFpSet(optrDummyOpenFn, doBlockInfoScan, NULL, destroyBlockDistScanOperatorInfo, optrDefaultBufFn, NULL);
pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doBlockInfoScan, NULL, destroyBlockDistScanOperatorInfo,
optrDefaultBufFn, NULL);
return pOperator;
_error:
......
source/libs/function/src/builtinsimpl.c
浏览文件 @ 2d85d019
......@@ -775,13 +775,13 @@ int32_t maxFunction(SqlFunctionCtx* pCtx) {
static int32_t setNullSelectivityValue(SqlFunctionCtx* pCtx, SSDataBlock* pBlock, int32_t rowIndex);
static int32_t setSelectivityValue(SqlFunctionCtx* pCtx, SSDataBlock* pBlock, const STuplePos* pTuplePos,
int32_t rowIndex);
int32_t rowIndex);
int32_t minmaxFunctionFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
int32_t code = TSDB_CODE_SUCCESS;
SResultRowEntryInfo* pEntryInfo = GET_RES_INFO(pCtx);
SMinmaxResInfo* pRes = GET_ROWCELL_INTERBUF(pEntryInfo);
SMinmaxResInfo* pRes = GET_ROWCELL_INTERBUF(pEntryInfo);
int32_t slotId = pCtx->pExpr->base.resSchema.slotId;
int32_t currentRow = pBlock->info.rows;
......@@ -795,7 +795,7 @@ int32_t minmaxFunctionFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
case TSDB_DATA_TYPE_UBIGINT:
case TSDB_DATA_TYPE_BIGINT:
((int64_t*)pCol->pData)[currentRow] = pRes->v;
// colDataAppendInt64(pCol, currentRow, &pRes->v);
// colDataAppendInt64(pCol, currentRow, &pRes->v);
break;
case TSDB_DATA_TYPE_UINT:
case TSDB_DATA_TYPE_INT:
......@@ -1691,7 +1691,7 @@ int32_t percentileFunction(SqlFunctionCtx* pCtx) {
int32_t percentileFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
SVariant* pVal = &pCtx->param[1].param;
int32_t code = 0;
int32_t code = 0;
double v = 0;
GET_TYPED_DATA(v, double, pVal->nType, &pVal->i);
......@@ -2070,7 +2070,7 @@ static void prepareBuf(SqlFunctionCtx* pCtx) {
}
static int32_t firstlastSaveTupleData(const SSDataBlock* pSrcBlock, int32_t rowIndex, SqlFunctionCtx* pCtx,
SFirstLastRes* pInfo) {
SFirstLastRes* pInfo) {
int32_t code = TSDB_CODE_SUCCESS;
if (pCtx->subsidiaries.num <= 0) {
......@@ -2123,7 +2123,8 @@ int32_t firstFunction(SqlFunctionCtx* pCtx) {
}
// All null data column, return directly.
if (pInput->colDataSMAIsSet && (pInput->pColumnDataAgg[0]->numOfNull == pInput->totalRows) && pInputCol->hasNull == true) {
if (pInput->colDataSMAIsSet && (pInput->pColumnDataAgg[0]->numOfNull == pInput->totalRows) &&
pInputCol->hasNull == true) {
// save selectivity value for column consisted of all null values
int32_t code = firstlastSaveTupleData(pCtx->pSrcBlock, pInput->startRowIndex, pCtx, pInfo);
if (code != TSDB_CODE_SUCCESS) {
......@@ -2239,7 +2240,8 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
}
// All null data column, return directly.
if (pInput->colDataSMAIsSet && (pInput->pColumnDataAgg[0]->numOfNull == pInput->totalRows) && pInputCol->hasNull == true) {
if (pInput->colDataSMAIsSet && (pInput->pColumnDataAgg[0]->numOfNull == pInput->totalRows) &&
pInputCol->hasNull == true) {
// save selectivity value for column consisted of all null values
int32_t code = firstlastSaveTupleData(pCtx->pSrcBlock, pInput->startRowIndex, pCtx, pInfo);
if (code != TSDB_CODE_SUCCESS) {
......@@ -2333,7 +2335,7 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
}
if (pResInfo->numOfRes == 0 || pInfo->ts < cts) {
char* data = colDataGetData(pInputCol, chosen);
char* data = colDataGetData(pInputCol, chosen);
int32_t code = doSaveCurrentVal(pCtx, i, cts, type, data);
if (code != TSDB_CODE_SUCCESS) {
return code;
......@@ -2344,7 +2346,7 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
for (int32_t i = pInput->startRowIndex + round * 4; i < pInput->startRowIndex + pInput->numOfRows; ++i) {
if (pResInfo->numOfRes == 0 || pInfo->ts < pts[i]) {
char* data = colDataGetData(pInputCol, i);
char* data = colDataGetData(pInputCol, i);
int32_t code = doSaveCurrentVal(pCtx, i, pts[i], type, data);
if (code != TSDB_CODE_SUCCESS) {
return code;
......@@ -2361,7 +2363,7 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
numOfElems++;
if (pResInfo->numOfRes == 0 || pInfo->ts < pts[i]) {
char* data = colDataGetData(pInputCol, i);
char* data = colDataGetData(pInputCol, i);
int32_t code = doSaveCurrentVal(pCtx, i, pts[i], type, data);
if (code != TSDB_CODE_SUCCESS) {
return code;
......@@ -2408,7 +2410,7 @@ static int32_t firstLastTransferInfoImpl(SFirstLastRes* pInput, SFirstLastRes* p
}
static int32_t firstLastTransferInfo(SqlFunctionCtx* pCtx, SFirstLastRes* pInput, SFirstLastRes* pOutput, bool isFirst,
int32_t rowIndex) {
int32_t rowIndex) {
if (TSDB_CODE_SUCCESS == firstLastTransferInfoImpl(pInput, pOutput, isFirst)) {
int32_t code = firstlastSaveTupleData(pCtx->pSrcBlock, rowIndex, pCtx, pOutput);
if (code != TSDB_CODE_SUCCESS) {
......@@ -2435,7 +2437,7 @@ static int32_t firstLastFunctionMergeImpl(SqlFunctionCtx* pCtx, bool isFirstQuer
for (int32_t i = start; i < start + pInput->numOfRows; ++i) {
char* data = colDataGetData(pCol, i);
SFirstLastRes* pInputInfo = (SFirstLastRes*)varDataVal(data);
int32_t code = firstLastTransferInfo(pCtx, pInputInfo, pInfo, isFirstQuery, i);
int32_t code = firstLastTransferInfo(pCtx, pInputInfo, pInfo, isFirstQuery, i);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
......@@ -2667,7 +2669,7 @@ static int32_t doSetPrevVal(SDiffInfo* pDiffInfo, int32_t type, const char* pv,
}
static int32_t doHandleDiff(SDiffInfo* pDiffInfo, int32_t type, const char* pv, SColumnInfoData* pOutput, int32_t pos,
int32_t order, int64_t ts) {
int32_t order, int64_t ts) {
int32_t factor = (order == TSDB_ORDER_ASC) ? 1 : -1;
pDiffInfo->prevTs = ts;
switch (type) {
......@@ -2875,8 +2877,8 @@ static STopBotRes* getTopBotOutputInfo(SqlFunctionCtx* pCtx) {
return pRes;
}
static int32_t doAddIntoResult(SqlFunctionCtx* pCtx, void* pData, int32_t rowIndex, SSDataBlock* pSrcBlock, uint16_t type,
uint64_t uid, SResultRowEntryInfo* pEntryInfo, bool isTopQuery);
static int32_t doAddIntoResult(SqlFunctionCtx* pCtx, void* pData, int32_t rowIndex, SSDataBlock* pSrcBlock,
uint16_t type, uint64_t uid, SResultRowEntryInfo* pEntryInfo, bool isTopQuery);
static void addResult(SqlFunctionCtx* pCtx, STopBotResItem* pSourceItem, int16_t type, bool isTopQuery);
......@@ -2897,7 +2899,7 @@ int32_t topFunction(SqlFunctionCtx* pCtx) {
}
numOfElems++;
char* data = colDataGetData(pCol, i);
char* data = colDataGetData(pCol, i);
int32_t code = doAddIntoResult(pCtx, data, i, pCtx->pSrcBlock, pRes->type, pInput->uid, pResInfo, true);
if (code != TSDB_CODE_SUCCESS) {
return code;
......@@ -2931,7 +2933,7 @@ int32_t bottomFunction(SqlFunctionCtx* pCtx) {
}
numOfElems++;
char* data = colDataGetData(pCol, i);
char* data = colDataGetData(pCol, i);
int32_t code = doAddIntoResult(pCtx, data, i, pCtx->pSrcBlock, pRes->type, pInput->uid, pResInfo, false);
if (code != TSDB_CODE_SUCCESS) {
return code;
......@@ -2983,7 +2985,7 @@ static int32_t topBotResComparFn(const void* p1, const void* p2, const void* par
}
int32_t doAddIntoResult(SqlFunctionCtx* pCtx, void* pData, int32_t rowIndex, SSDataBlock* pSrcBlock, uint16_t type,
uint64_t uid, SResultRowEntryInfo* pEntryInfo, bool isTopQuery) {
uint64_t uid, SResultRowEntryInfo* pEntryInfo, bool isTopQuery) {
STopBotRes* pRes = getTopBotOutputInfo(pCtx);
SVariant val = {0};
......@@ -3174,7 +3176,7 @@ static char* doLoadTupleData(SSerializeDataHandle* pHandle, const STuplePos* pPo
if (pPage == NULL) {
return NULL;
}
char* p = pPage->data + pPos->offset;
char* p = pPage->data + pPos->offset;
releaseBufPage(pHandle->pBuf, pPage);
return p;
} else {
......@@ -4635,7 +4637,7 @@ int32_t sampleFunction(SqlFunctionCtx* pCtx) {
continue;
}
char* data = colDataGetData(pInputCol, i);
char* data = colDataGetData(pInputCol, i);
int32_t code = doReservoirSample(pCtx, pInfo, data, i);
if (code != TSDB_CODE_SUCCESS) {
return code;
......@@ -4655,7 +4657,7 @@ int32_t sampleFunction(SqlFunctionCtx* pCtx) {
}
int32_t sampleFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
int32_t code = TSDB_CODE_SUCCESS;
int32_t code = TSDB_CODE_SUCCESS;
SResultRowEntryInfo* pEntryInfo = GET_RES_INFO(pCtx);
SSampleInfo* pInfo = getSampleOutputInfo(pCtx);
......@@ -4989,7 +4991,7 @@ int32_t modeFunction(SqlFunctionCtx* pCtx) {
}
numOfElems++;
char* data = colDataGetData(pInputCol, i);
char* data = colDataGetData(pInputCol, i);
int32_t code = doModeAdd(pInfo, i, pCtx, data);
if (code != TSDB_CODE_SUCCESS) {
return code;
......@@ -5410,6 +5412,7 @@ int32_t blockDistFunction(SqlFunctionCtx* pCtx) {
if (pDistInfo->maxRows < p1.maxRows) {
pDistInfo->maxRows = p1.maxRows;
}
pDistInfo->numOfVgroups += (p1.numOfTables != 0 ? 1 : 0);
for (int32_t i = 0; i < tListLen(pDistInfo->blockRowsHisto); ++i) {
pDistInfo->blockRowsHisto[i] += p1.blockRowsHisto[i];
......@@ -5438,6 +5441,7 @@ int32_t tSerializeBlockDistInfo(void* buf, int32_t bufLen, const STableBlockDist
if (tEncodeI32(&encoder, pInfo->defMinRows) < 0) return -1;
if (tEncodeU32(&encoder, pInfo->numOfInmemRows) < 0) return -1;
if (tEncodeU32(&encoder, pInfo->numOfSmallBlocks) < 0) return -1;
if (tEncodeU32(&encoder, pInfo->numOfVgroups) < 0) return -1;
for (int32_t i = 0; i < tListLen(pInfo->blockRowsHisto); ++i) {
if (tEncodeI32(&encoder, pInfo->blockRowsHisto[i]) < 0) return -1;
......@@ -5469,6 +5473,7 @@ int32_t tDeserializeBlockDistInfo(void* buf, int32_t bufLen, STableBlockDistInfo
if (tDecodeI32(&decoder, &pInfo->defMinRows) < 0) return -1;
if (tDecodeU32(&decoder, &pInfo->numOfInmemRows) < 0) return -1;
if (tDecodeU32(&decoder, &pInfo->numOfSmallBlocks) < 0) return -1;
if (tDecodeU32(&decoder, &pInfo->numOfVgroups) < 0) return -1;
for (int32_t i = 0; i < tListLen(pInfo->blockRowsHisto); ++i) {
if (tDecodeI32(&decoder, &pInfo->blockRowsHisto[i]) < 0) return -1;
......@@ -5520,7 +5525,7 @@ int32_t blockDistFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
colDataAppend(pColInfo, row++, st, false);
len = sprintf(st + VARSTR_HEADER_SIZE, "Total_Tables=[%d] Total_Files=[%d] Total_Vgroups=[%d]", pData->numOfTables,
pData->numOfFiles, 0);
pData->numOfFiles, pData->numOfVgroups);
varDataSetLen(st, len);
colDataAppend(pColInfo, row++, st, false);
......
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