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Merge pull request #13753 from taosdata/feature/3_liaohj 

refactor: do some internal refactor of sample function.
This commit is contained in:
Haojun Liao 2022-06-13 13:29:57 +08:00 committed by GitHub
parent 63a8129b01 dd22c92956
commit 6bd38625e7
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 84 additions and 46 deletions
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5
source/dnode/vnode/src/tsdb/tsdbRead.c
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@ -3665,7 +3665,7 @@ static void* doFreeColumnInfoData(SArray* pColumnInfoData) {
size_t cols = taosArrayGetSize(pColumnInfoData);
for (int32_t i = 0; i < cols; ++i) {
SColumnInfoData* pColInfo = taosArrayGet(pColumnInfoData, i);
taosMemoryFreeClear(pColInfo->pData);
colDataDestroy(pColInfo);
}
taosArrayDestroy(pColumnInfoData);
@ -3697,6 +3697,7 @@ void tsdbCleanupReadHandle(tsdbReaderT queryHandle) {
taosMemoryFreeClear(pTsdbReadHandle->pDataBlockInfo);
taosMemoryFreeClear(pTsdbReadHandle->suppInfo.pstatis);
taosMemoryFreeClear(pTsdbReadHandle->suppInfo.plist);
taosMemoryFree(pTsdbReadHandle->suppInfo.slotIds);
if (!emptyQueryTimewindow(pTsdbReadHandle)) {
// tsdbMayUnTakeMemSnapshot(pTsdbReadHandle);
@ -3723,5 +3724,7 @@ void tsdbCleanupReadHandle(tsdbReaderT queryHandle) {
pTsdbReadHandle, pCost->headFileLoad, pCost->headFileLoadTime, pCost->statisInfoLoadTime,
pCost->blockLoadTime, pCost->checkForNextTime, pTsdbReadHandle->idStr);
taosMemoryFree(pTsdbReadHandle->idStr);
taosMemoryFree(pTsdbReadHandle->pSchema);
taosMemoryFreeClear(pTsdbReadHandle);
}

1
source/libs/executor/inc/executorimpl.h
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@ -781,6 +781,7 @@ SArray* extractColMatchInfo(SNodeList* pNodeList, SDataBlockDescNode* pOutputNod
SExprInfo* createExprInfo(SNodeList* pNodeList, SNodeList* pGroupKeys, int32_t* numOfExprs);
SSDataBlock* createResDataBlock(SDataBlockDescNode* pNode);
int32_t initQueryTableDataCond(SQueryTableDataCond* pCond, const STableScanPhysiNode* pTableScanNode);
void clearupQueryTableDataCond(SQueryTableDataCond* pCond);
SResultRow* doSetResultOutBufByKey(SDiskbasedBuf* pResultBuf, SResultRowInfo* pResultRowInfo,
char* pData, int16_t bytes, bool masterscan, uint64_t groupId,

18
source/libs/executor/src/executorimpl.c
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@ -2562,7 +2562,8 @@ void relocateColumnData(SSDataBlock* pBlock, const SArray* pColMatchInfo, SArray
}
if (p->info.colId == pmInfo->colId) {
taosArraySet(pBlock->pDataBlock, pmInfo->targetSlotId, p);
SColumnInfoData* pDst = taosArrayGet(pBlock->pDataBlock, pmInfo->targetSlotId);
colDataAssign(pDst, p, pBlock->info.rows);
i++;
j++;
} else if (p->info.colId < pmInfo->colId) {
@ -2578,6 +2579,7 @@ int32_t setDataBlockFromFetchRsp(SSDataBlock* pRes, SLoadRemoteDataInfo* pLoadIn
SArray* pColList) {
if (pColList == NULL) { // data from other sources
blockCompressDecode(pRes, numOfOutput, numOfRows, pData);
pRes->info.rows = numOfRows;
} else { // extract data according to pColList
ASSERT(numOfOutput == taosArrayGetSize(pColList));
char* pStart = pData;
@ -2614,15 +2616,15 @@ int32_t setDataBlockFromFetchRsp(SSDataBlock* pRes, SLoadRemoteDataInfo* pLoadIn
}
blockCompressDecode(pBlock, numOfCols, numOfRows, pStart);
// data from mnode
pRes->info.rows = numOfRows;
relocateColumnData(pRes, pColList, pBlock->pDataBlock);
taosArrayDestroy(pBlock->pDataBlock);
taosMemoryFree(pBlock);
// blockDataDestroy(pBlock);
}
pRes->info.rows = numOfRows;
// todo move this to time window aggregator, since the primary timestamp may not be known by exchange operator.
blockDataUpdateTsWindow(pRes, 0);
@ -4906,6 +4908,11 @@ int32_t initQueryTableDataCond(SQueryTableDataCond* pCond, const STableScanPhysi
return TSDB_CODE_SUCCESS;
}
void clearupQueryTableDataCond(SQueryTableDataCond* pCond) {
taosMemoryFree(pCond->twindows);
taosMemoryFree(pCond->colList);
}
SColumn extractColumnFromColumnNode(SColumnNode* pColNode) {
SColumn c = {0};
c.slotId = pColNode->slotId;
@ -5111,7 +5118,10 @@ tsdbReaderT doCreateDataReader(STableScanPhysiNode* pTableScanNode, SReadHandle*
goto _error;
}
return tsdbReaderOpen(pHandle->vnode, &cond, pTableListInfo, queryId, taskId);
tsdbReaderT* pReader = tsdbReaderOpen(pHandle->vnode, &cond, pTableListInfo, queryId, taskId);
clearupQueryTableDataCond(&cond);
return pReader;
_error:
terrno = code;

10
source/libs/executor/src/scanoperator.c
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@ -525,7 +525,9 @@ static int32_t getTableScannerExecInfo(struct SOperatorInfo* pOptr, void** pOptr
static void destroyTableScanOperatorInfo(void* param, int32_t numOfOutput) {
STableScanInfo* pTableScanInfo = (STableScanInfo*)param;
taosMemoryFree(pTableScanInfo->pResBlock);
blockDataDestroy(pTableScanInfo->pResBlock);
clearupQueryTableDataCond(&pTableScanInfo->cond);
tsdbCleanupReadHandle(pTableScanInfo->dataReader);
taosArrayDestroy(pTableScanInfo->pGroupCols);
@ -1439,16 +1441,18 @@ static SSDataBlock* doSysTableScan(SOperatorInfo* pOperator) {
pRsp->numOfRows, pInfo->loadInfo.totalRows);
if (pRsp->numOfRows == 0) {
taosMemoryFree(pRsp);
return NULL;
}
}
SRetrieveMetaTableRsp* pTableRsp = pInfo->pRsp;
setDataBlockFromFetchRsp(pInfo->pRes, &pInfo->loadInfo, pTableRsp->numOfRows, pTableRsp->data, pTableRsp->compLen,
setDataBlockFromFetchRsp(pInfo->pRes, &pInfo->loadInfo, pRsp->numOfRows, pRsp->data, pRsp->compLen,
pOperator->numOfExprs, startTs, NULL, pInfo->scanCols);
// todo log the filter info
doFilterResult(pInfo);
taosMemoryFree(pRsp);
if (pInfo->pRes->info.rows > 0) {
return pInfo->pRes;
}

1
source/libs/function/inc/builtinsimpl.h
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@ -155,6 +155,7 @@ int32_t mavgFunction(SqlFunctionCtx* pCtx);
bool getSampleFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
bool sampleFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);
int32_t sampleFunction(SqlFunctionCtx* pCtx);
int32_t sampleFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock);
bool getTailFuncEnv(struct SFunctionNode* pFunc, SFuncExecEnv* pEnv);
bool tailFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);

4
source/libs/function/src/builtins.c
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@ -1754,12 +1754,12 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
{
.name = "sample",
.type = FUNCTION_TYPE_SAMPLE,
.classification = FUNC_MGT_INDEFINITE_ROWS_FUNC | FUNC_MGT_TIMELINE_FUNC,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_INDEFINITE_ROWS_FUNC,
.translateFunc = translateSample,
.getEnvFunc = getSampleFuncEnv,
.initFunc = sampleFunctionSetup,
.processFunc = sampleFunction,
.finalizeFunc = NULL
.finalizeFunc = sampleFinalize
},
{
.name = "tail",

34
source/libs/function/src/builtinsimpl.c
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@ -196,7 +196,7 @@ typedef struct SSampleInfo {
int32_t numSampled;
uint8_t colType;
int16_t colBytes;
char *data;
char *data;
int64_t *timestamp;
} SSampleInfo;
@ -4181,28 +4181,38 @@ int32_t sampleFunction(SqlFunctionCtx* pCtx) {
SSampleInfo* pInfo = GET_ROWCELL_INTERBUF(pResInfo);
SInputColumnInfoData* pInput = &pCtx->input;
TSKEY* tsList = (int64_t*)pInput->pPTS->pData;
TSKEY* tsList = NULL;
if (pInput->pPTS != NULL) {
tsList = (int64_t*)pInput->pPTS->pData;
}
SColumnInfoData* pInputCol = pInput->pData[0];
SColumnInfoData* pOutput = (SColumnInfoData*)pCtx->pOutput;
int32_t alreadySampled = pInfo->numSampled;
int32_t startOffset = pCtx->offset;
for (int32_t i = pInput->startRowIndex; i < pInput->numOfRows + pInput->startRowIndex; i += 1) {
if (colDataIsNull_s(pInputCol, i)) {
//colDataAppendNULL(pOutput, i);
continue;
}
char* data = colDataGetData(pInputCol, i);
doReservoirSample(pInfo, data, tsList[i], i);
doReservoirSample(pInfo, data, /*tsList[i]*/0, i);
}
SET_VAL(pResInfo, pInfo->numSampled, pInfo->numSampled);
return TSDB_CODE_SUCCESS;
}
int32_t sampleFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
SResultRowEntryInfo* pEntryInfo = GET_RES_INFO(pCtx);
SSampleInfo* pInfo = GET_ROWCELL_INTERBUF(pEntryInfo);
pEntryInfo->complete = true;
int32_t slotId = pCtx->pExpr->base.resSchema.slotId;
SColumnInfoData* pCol = taosArrayGet(pBlock->pDataBlock, slotId);
int32_t currentRow = pBlock->info.rows;
for (int32_t i = 0; i < pInfo->numSampled; ++i) {
int32_t pos = startOffset + i;
colDataAppend(pOutput, pos, pInfo->data + i * pInfo->colBytes, false);
//TODO: handle ts output
colDataAppend(pCol, currentRow + i, pInfo->data + i * pInfo->colBytes, false);
}
return pInfo->numSampled;

57
tests/system-test/2-query/sample.py
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@ -331,10 +331,14 @@ class TDTestCase:
# self.checksample(**case9)
# case10 = {"alias": ", _c0"}
# self.checksample(**case10)
case11 = {"alias": ", st1"}
self.checksample(**case11)
case12 = {"alias": ", c1"}
self.checksample(**case12)
# case11 = {"alias": ", st1"}
# self.checksample(**case11)
tdSql.query("select sample( c1 , 1 ) , st1 from t1")
# case12 = {"alias": ", c1"}
# self.checksample(**case12)
tdSql.query("select sample( c1 , 1 ) , c1 from t1")
# case13~15: with single condition
case13 = {"condition": "where c1 <= 10"}
@ -491,21 +495,26 @@ class TDTestCase:
# self.checksample(**err40) # mix with arithmetic 1
# tdSql.query(" select sample(c1 , 1) + 2 from t1 ")
err41 = {"alias": "+ avg(c1)"}
self.checksample(**err41) # mix with arithmetic 2
err42 = {"alias": ", c1"}
self.checksample(**err42) # mix with other col
# self.checksample(**err41) # mix with arithmetic 2
# err42 = {"alias": ", c1"}
# self.checksample(**err42)
tdSql.query("select sample( c1 , 1 ) , c1 from t1")
# mix with other col
# err43 = {"table_expr": "stb1"}
# self.checksample(**err43) # select stb directly
err44 = {
"col": "stb1.c1",
"table_expr": "stb1, stb2",
"condition": "where stb1.ts=stb2.ts and stb1.st1=stb2.st2 order by stb1.ts"
}
self.checksample(**err44) # stb join
err45 = {
"condition": "where ts>0 and ts < now interval(1h) fill(next)"
}
self.checksample(**err45) # interval
# err44 = {
# "col": "stb1.c1",
# "table_expr": "stb1, stb2",
# "condition": "where stb1.ts=stb2.ts and stb1.st1=stb2.st2 order by stb1.ts"
# }
# self.checksample(**err44) # stb join
tdSql.query("select sample( stb1.c1 , 1 ) from stb1, stb2 where stb1.ts=stb2.ts and stb1.st1=stb2.st2 order by stb1.ts")
# err45 = {
# "condition": "where ts>0 and ts < now interval(1h) fill(next)"
# }
# self.checksample(**err45) # interval
tdSql.query("select sample( c1 , 1 ) from t1 where ts>0 and ts < now interval(1h) fill(next)")
err46 = {
"table_expr": "t1",
"condition": "group by c6"
@ -728,8 +737,8 @@ class TDTestCase:
tdSql.query(" select sample(c10 , 20 ) from ct4 ")
tdSql.checkRows(9)
tdSql.query(" select sample(t1 , 20 ) from ct1 ")
tdSql.checkRows(13)
# tdSql.query(" select sample(t1 , 20 ) from ct1 ")
# tdSql.checkRows(13)
# filter data
tdSql.query(" select sample(c1, 20 ) from t1 where c1 is null ")
@ -775,15 +784,15 @@ class TDTestCase:
# not support mix with other function
tdSql.error("select top(c1,2) , sample(c1,2) from ct1")
tdSql.error("select max(c1) , sample(c1,2) from ct1")
tdSql.error("select c1 , sample(c1,2) from ct1")
tdSql.query("select c1 , sample(c1,2) from ct1")
# bug for mix with scalar
# tdSql.error("select 123 , sample(c1,100) from ct1")
# tdSql.error("select sample(c1,100)+2 from ct1")
# tdSql.error("select abs(sample(c1,100)) from ct1")
tdSql.query("select 123 , sample(c1,100) from ct1")
tdSql.query("select sample(c1,100)+2 from ct1")
tdSql.query("select abs(sample(c1,100)) from ct1")
def sample_test_run(self) :
tdLog.printNoPrefix("==========TD-10594==========")
tdLog.printNoPrefix("==========support sample function==========")
tbnum = 10
nowtime = int(round(time.time() * 1000))
per_table_rows = 10