homework-jianmu/source/libs/executor/src/dynqueryctrloperator.c

886 lines
29 KiB
C
Executable File

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "executorInt.h"
#include "filter.h"
#include "function.h"
#include "operator.h"
#include "os.h"
#include "querynodes.h"
#include "querytask.h"
#include "tcompare.h"
#include "tdatablock.h"
#include "thash.h"
#include "tmsg.h"
#include "ttypes.h"
#include "dynqueryctrl.h"
int64_t gSessionId = 0;
void freeVgTableList(void* ptr) {
taosArrayDestroy(*(SArray**)ptr);
}
static void destroyStbJoinTableList(SStbJoinTableList* pListHead) {
SStbJoinTableList* pNext = NULL;
while (pListHead) {
taosMemoryFree(pListHead->pLeftVg);
taosMemoryFree(pListHead->pLeftUid);
taosMemoryFree(pListHead->pRightVg);
taosMemoryFree(pListHead->pRightUid);
pNext = pListHead->pNext;
taosMemoryFree(pListHead);
pListHead = pNext;
}
}
static void destroyStbJoinDynCtrlInfo(SStbJoinDynCtrlInfo* pStbJoin) {
qError("dynQueryCtrl exec info, prevBlk:%" PRId64 ", prevRows:%" PRId64 ", postBlk:%" PRId64 ", postRows:%" PRId64 ", leftCacheNum:%" PRId64 ", rightCacheNum:%" PRId64,
pStbJoin->execInfo.prevBlkNum, pStbJoin->execInfo.prevBlkRows, pStbJoin->execInfo.postBlkNum,
pStbJoin->execInfo.postBlkRows, pStbJoin->execInfo.leftCacheNum, pStbJoin->execInfo.rightCacheNum);
if (pStbJoin->basic.batchFetch) {
if (pStbJoin->ctx.prev.leftHash) {
tSimpleHashSetFreeFp(pStbJoin->ctx.prev.leftHash, freeVgTableList);
tSimpleHashCleanup(pStbJoin->ctx.prev.leftHash);
}
if (pStbJoin->ctx.prev.rightHash) {
tSimpleHashSetFreeFp(pStbJoin->ctx.prev.rightHash, freeVgTableList);
tSimpleHashCleanup(pStbJoin->ctx.prev.rightHash);
}
} else {
if (pStbJoin->ctx.prev.leftCache) {
tSimpleHashCleanup(pStbJoin->ctx.prev.leftCache);
}
if (pStbJoin->ctx.prev.rightCache) {
tSimpleHashCleanup(pStbJoin->ctx.prev.rightCache);
}
if (pStbJoin->ctx.prev.onceTable) {
tSimpleHashCleanup(pStbJoin->ctx.prev.onceTable);
}
}
destroyStbJoinTableList(pStbJoin->ctx.prev.pListHead);
}
static void destroyDynQueryCtrlOperator(void* param) {
SDynQueryCtrlOperatorInfo* pDyn = (SDynQueryCtrlOperatorInfo*)param;
switch (pDyn->qType) {
case DYN_QTYPE_STB_HASH:
destroyStbJoinDynCtrlInfo(&pDyn->stbJoin);
break;
default:
qError("unsupported dynamic query ctrl type: %d", pDyn->qType);
break;
}
taosMemoryFreeClear(param);
}
static FORCE_INLINE bool tableNeedCache(int64_t uid, SStbJoinPrevJoinCtx* pPrev, SStbJoinPostJoinCtx* pPost, bool rightTable, bool batchFetch) {
if (batchFetch) {
return true;
}
if (rightTable) {
return pPost->rightCurrUid == pPost->rightNextUid;
}
uint32_t* num = tSimpleHashGet(pPrev->leftCache, &uid, sizeof(uid));
return (NULL == num) ? false : true;
}
static void updatePostJoinCurrTableInfo(SStbJoinDynCtrlInfo* pStbJoin) {
SStbJoinPrevJoinCtx* pPrev = &pStbJoin->ctx.prev;
SStbJoinPostJoinCtx* pPost = &pStbJoin->ctx.post;
SStbJoinTableList* pNode = pPrev->pListHead;
int32_t* leftVgId = pNode->pLeftVg + pNode->readIdx;
int32_t* rightVgId = pNode->pRightVg + pNode->readIdx;
int64_t* leftUid = pNode->pLeftUid + pNode->readIdx;
int64_t* rightUid = pNode->pRightUid + pNode->readIdx;
int64_t readIdx = pNode->readIdx + 1;
int64_t rightPrevUid = pPost->rightCurrUid;
pPost->leftCurrUid = *leftUid;
pPost->rightCurrUid = *rightUid;
pPost->leftVgId = *leftVgId;
pPost->rightVgId = *rightVgId;
while (true) {
if (readIdx < pNode->uidNum) {
pPost->rightNextUid = *(pNode->pRightUid + readIdx);
break;
}
pNode = pNode->pNext;
if (NULL == pNode) {
pPost->rightNextUid = 0;
break;
}
rightUid = pNode->pRightUid;
readIdx = 0;
}
pPost->leftNeedCache = tableNeedCache(*leftUid, pPrev, pPost, false, pStbJoin->basic.batchFetch);
pPost->rightNeedCache = tableNeedCache(*rightUid, pPrev, pPost, true, pStbJoin->basic.batchFetch);
if (pPost->rightNeedCache && rightPrevUid != pPost->rightCurrUid) {
tSimpleHashPut(pPrev->rightCache, &pPost->rightCurrUid, sizeof(pPost->rightCurrUid), NULL, 0);
pStbJoin->execInfo.rightCacheNum++;
}
}
static int32_t buildGroupCacheOperatorParam(SOperatorParam** ppRes, int32_t downstreamIdx, int32_t vgId, int64_t tbUid, bool needCache, SOperatorParam* pChild) {
*ppRes = taosMemoryMalloc(sizeof(SOperatorParam));
if (NULL == *ppRes) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (pChild) {
(*ppRes)->pChildren = taosArrayInit(1, POINTER_BYTES);
if (NULL == *ppRes) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (NULL == taosArrayPush((*ppRes)->pChildren, &pChild)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
} else {
(*ppRes)->pChildren = NULL;
}
SGcOperatorParam* pGc = taosMemoryMalloc(sizeof(SGcOperatorParam));
if (NULL == pGc) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pGc->sessionId = atomic_add_fetch_64(&gSessionId, 1);
pGc->downstreamIdx = downstreamIdx;
pGc->vgId = vgId;
pGc->tbUid = tbUid;
pGc->needCache = needCache;
(*ppRes)->opType = QUERY_NODE_PHYSICAL_PLAN_GROUP_CACHE;
(*ppRes)->downstreamIdx = downstreamIdx;
(*ppRes)->value = pGc;
return TSDB_CODE_SUCCESS;
}
static int32_t buildGroupCacheNotifyOperatorParam(SOperatorParam** ppRes, int32_t downstreamIdx, int32_t vgId, int64_t tbUid) {
*ppRes = taosMemoryMalloc(sizeof(SOperatorParam));
if (NULL == *ppRes) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(*ppRes)->pChildren = NULL;
SGcNotifyOperatorParam* pGc = taosMemoryMalloc(sizeof(SGcNotifyOperatorParam));
if (NULL == pGc) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pGc->downstreamIdx = downstreamIdx;
pGc->vgId = vgId;
pGc->tbUid = tbUid;
(*ppRes)->opType = QUERY_NODE_PHYSICAL_PLAN_GROUP_CACHE;
(*ppRes)->downstreamIdx = downstreamIdx;
(*ppRes)->value = pGc;
return TSDB_CODE_SUCCESS;
}
static int32_t buildExchangeOperatorParam(SOperatorParam** ppRes, int32_t downstreamIdx, int32_t* pVgId, int64_t* pUid) {
*ppRes = taosMemoryMalloc(sizeof(SOperatorParam));
if (NULL == *ppRes) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(*ppRes)->pChildren = NULL;
SExchangeOperatorParam* pExc = taosMemoryMalloc(sizeof(SExchangeOperatorParam));
if (NULL == pExc) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pExc->multiParams = false;
pExc->basic.vgId = *pVgId;
pExc->basic.tableSeq = true;
pExc->basic.srcOpType = QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN;
pExc->basic.uidList = taosArrayInit(1, sizeof(int64_t));
if (NULL == pExc->basic.uidList) {
taosMemoryFree(pExc);
return TSDB_CODE_OUT_OF_MEMORY;
}
taosArrayPush(pExc->basic.uidList, pUid);
(*ppRes)->opType = QUERY_NODE_PHYSICAL_PLAN_EXCHANGE;
(*ppRes)->downstreamIdx = downstreamIdx;
(*ppRes)->value = pExc;
return TSDB_CODE_SUCCESS;
}
static int32_t buildBatchExchangeOperatorParam(SOperatorParam** ppRes, int32_t downstreamIdx, SSHashObj* pVg) {
*ppRes = taosMemoryMalloc(sizeof(SOperatorParam));
if (NULL == *ppRes) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(*ppRes)->pChildren = NULL;
SExchangeOperatorBatchParam* pExc = taosMemoryMalloc(sizeof(SExchangeOperatorBatchParam));
if (NULL == pExc) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pExc->multiParams = true;
pExc->pBatchs = tSimpleHashInit(tSimpleHashGetSize(pVg), taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT));
if (NULL == pExc->pBatchs) {
taosMemoryFree(pExc);
return TSDB_CODE_OUT_OF_MEMORY;
}
tSimpleHashSetFreeFp(pExc->pBatchs, freeExchangeGetBasicOperatorParam);
SExchangeOperatorBasicParam basic;
basic.srcOpType = QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN;
int32_t iter = 0;
void* p = NULL;
while (NULL != (p = tSimpleHashIterate(pVg, p, &iter))) {
int32_t* pVgId = tSimpleHashGetKey(p, NULL);
SArray* pUidList = *(SArray**)p;
basic.vgId = *pVgId;
basic.uidList = pUidList;
basic.tableSeq = false;
tSimpleHashPut(pExc->pBatchs, pVgId, sizeof(*pVgId), &basic, sizeof(basic));
qTrace("build downstreamIdx %d batch scan, vgId:%d, uidNum:%" PRId64, downstreamIdx, *pVgId, (int64_t)taosArrayGetSize(pUidList));
*(SArray**)p = NULL;
}
(*ppRes)->opType = QUERY_NODE_PHYSICAL_PLAN_EXCHANGE;
(*ppRes)->downstreamIdx = downstreamIdx;
(*ppRes)->value = pExc;
return TSDB_CODE_SUCCESS;
}
static int32_t buildMergeJoinOperatorParam(SOperatorParam** ppRes, bool initParam, SOperatorParam* pChild0, SOperatorParam* pChild1) {
*ppRes = taosMemoryMalloc(sizeof(SOperatorParam));
if (NULL == *ppRes) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(*ppRes)->pChildren = taosArrayInit(2, POINTER_BYTES);
if (NULL == *ppRes) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (NULL == taosArrayPush((*ppRes)->pChildren, &pChild0)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (NULL == taosArrayPush((*ppRes)->pChildren, &pChild1)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
SSortMergeJoinOperatorParam* pJoin = taosMemoryMalloc(sizeof(SSortMergeJoinOperatorParam));
if (NULL == pJoin) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pJoin->initDownstream = initParam;
(*ppRes)->opType = QUERY_NODE_PHYSICAL_PLAN_MERGE_JOIN;
(*ppRes)->value = pJoin;
return TSDB_CODE_SUCCESS;
}
static int32_t buildMergeJoinNotifyOperatorParam(SOperatorParam** ppRes, SOperatorParam* pChild0, SOperatorParam* pChild1) {
*ppRes = taosMemoryMalloc(sizeof(SOperatorParam));
if (NULL == *ppRes) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(*ppRes)->pChildren = taosArrayInit(2, POINTER_BYTES);
if (NULL == *ppRes) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (pChild0 && NULL == taosArrayPush((*ppRes)->pChildren, &pChild0)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (pChild1 && NULL == taosArrayPush((*ppRes)->pChildren, &pChild1)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(*ppRes)->opType = QUERY_NODE_PHYSICAL_PLAN_MERGE_JOIN;
(*ppRes)->value = NULL;
return TSDB_CODE_SUCCESS;
}
static int32_t buildBatchTableScanOperatorParam(SOperatorParam** ppRes, int32_t downstreamIdx, SSHashObj* pVg) {
int32_t code = TSDB_CODE_SUCCESS;
int32_t vgNum = tSimpleHashGetSize(pVg);
if (vgNum <= 0 || vgNum > 1) {
qError("Invalid vgroup num %d to build table scan operator param", vgNum);
return TSDB_CODE_QRY_EXECUTOR_INTERNAL_ERROR;
}
int32_t iter = 0;
void* p = NULL;
while (NULL != (p = tSimpleHashIterate(pVg, p, &iter))) {
int32_t* pVgId = tSimpleHashGetKey(p, NULL);
SArray* pUidList = *(SArray**)p;
code = buildTableScanOperatorParam(ppRes, pUidList, QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN, false);
if (code) {
return code;
}
taosArrayDestroy(pUidList);
*(SArray**)p = NULL;
}
return TSDB_CODE_SUCCESS;
}
static int32_t buildSingleTableScanOperatorParam(SOperatorParam** ppRes, int32_t downstreamIdx, int32_t* pVgId, int64_t* pUid) {
SArray* pUidList = taosArrayInit(1, sizeof(int64_t));
if (NULL == pUidList) {
return TSDB_CODE_OUT_OF_MEMORY;
}
taosArrayPush(pUidList, pUid);
int32_t code = buildTableScanOperatorParam(ppRes, pUidList, QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN, true);
taosArrayDestroy(pUidList);
if (code) {
return code;
}
return TSDB_CODE_SUCCESS;
}
static int32_t buildSeqStbJoinOperatorParam(SDynQueryCtrlOperatorInfo* pInfo, SStbJoinPrevJoinCtx* pPrev, SStbJoinPostJoinCtx* pPost, SOperatorParam** ppParam) {
int64_t rowIdx = pPrev->pListHead->readIdx;
SOperatorParam* pSrcParam0 = NULL;
SOperatorParam* pSrcParam1 = NULL;
SOperatorParam* pGcParam0 = NULL;
SOperatorParam* pGcParam1 = NULL;
int32_t* leftVg = pPrev->pListHead->pLeftVg + rowIdx;
int64_t* leftUid = pPrev->pListHead->pLeftUid + rowIdx;
int32_t* rightVg = pPrev->pListHead->pRightVg + rowIdx;
int64_t* rightUid = pPrev->pListHead->pRightUid + rowIdx;
int32_t code = TSDB_CODE_SUCCESS;
qError("start %" PRId64 ":%" PRId64 "th stbJoin, left:%d,%" PRIu64 " - right:%d,%" PRIu64,
rowIdx, pPrev->tableNum, *leftVg, *leftUid, *rightVg, *rightUid);
updatePostJoinCurrTableInfo(&pInfo->stbJoin);
if (pInfo->stbJoin.basic.batchFetch) {
if (pPrev->leftHash) {
code = pInfo->stbJoin.basic.srcScan[0] ? buildBatchTableScanOperatorParam(&pSrcParam0, 0, pPrev->leftHash) : buildBatchExchangeOperatorParam(&pSrcParam0, 0, pPrev->leftHash);
if (TSDB_CODE_SUCCESS == code) {
code = pInfo->stbJoin.basic.srcScan[1] ? buildBatchTableScanOperatorParam(&pSrcParam1, 1, pPrev->rightHash) : buildBatchExchangeOperatorParam(&pSrcParam1, 1, pPrev->rightHash);
}
if (TSDB_CODE_SUCCESS == code) {
tSimpleHashCleanup(pPrev->leftHash);
tSimpleHashCleanup(pPrev->rightHash);
pPrev->leftHash = NULL;
pPrev->rightHash = NULL;
}
}
} else {
code = pInfo->stbJoin.basic.srcScan[0] ? buildSingleTableScanOperatorParam(&pSrcParam0, 0, leftVg, leftUid) : buildExchangeOperatorParam(&pSrcParam0, 0, leftVg, leftUid);
if (TSDB_CODE_SUCCESS == code) {
code = pInfo->stbJoin.basic.srcScan[1] ? buildSingleTableScanOperatorParam(&pSrcParam1, 1, rightVg, rightUid) : buildExchangeOperatorParam(&pSrcParam1, 1, rightVg, rightUid);
}
}
if (TSDB_CODE_SUCCESS == code) {
code = buildGroupCacheOperatorParam(&pGcParam0, 0, *leftVg, *leftUid, pPost->leftNeedCache, pSrcParam0);
}
if (TSDB_CODE_SUCCESS == code) {
code = buildGroupCacheOperatorParam(&pGcParam1, 1, *rightVg, *rightUid, pPost->rightNeedCache, pSrcParam1);
}
if (TSDB_CODE_SUCCESS == code) {
code = buildMergeJoinOperatorParam(ppParam, pSrcParam0 ? true : false, pGcParam0, pGcParam1);
}
return code;
}
static void seqJoinLaunchNewRetrieveImpl(SOperatorInfo* pOperator, SSDataBlock** ppRes) {
SDynQueryCtrlOperatorInfo* pInfo = pOperator->info;
SStbJoinDynCtrlInfo* pStbJoin = (SStbJoinDynCtrlInfo*)&pInfo->stbJoin;
SStbJoinPrevJoinCtx* pPrev = &pStbJoin->ctx.prev;
SStbJoinPostJoinCtx* pPost = &pStbJoin->ctx.post;
SOperatorParam* pParam = NULL;
int32_t code = buildSeqStbJoinOperatorParam(pInfo, pPrev, pPost, &pParam);
if (TSDB_CODE_SUCCESS != code) {
pOperator->pTaskInfo->code = code;
T_LONG_JMP(pOperator->pTaskInfo->env, pOperator->pTaskInfo->code);
}
qError("dynamic post task begin");
*ppRes = pOperator->pDownstream[1]->fpSet.getNextExtFn(pOperator->pDownstream[1], pParam);
if (*ppRes) {
pPost->isStarted = true;
pStbJoin->execInfo.postBlkNum++;
pStbJoin->execInfo.postBlkRows += (*ppRes)->info.rows;
qError("join res block retrieved");
} else {
qError("Empty join res block retrieved");
}
}
static int32_t notifySeqJoinTableCacheEnd(SOperatorInfo* pOperator, SStbJoinPostJoinCtx* pPost, bool leftTable) {
SOperatorParam* pGcParam = NULL;
SOperatorParam* pMergeJoinParam = NULL;
int32_t downstreamId = leftTable ? 0 : 1;
int32_t vgId = leftTable ? pPost->leftVgId : pPost->rightVgId;
int64_t uid = leftTable ? pPost->leftCurrUid : pPost->rightCurrUid;
qError("notify table %" PRIu64 " in vgId %d downstreamId %d cache end", uid, vgId, downstreamId);
int32_t code = buildGroupCacheNotifyOperatorParam(&pGcParam, downstreamId, vgId, uid);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
code = buildMergeJoinNotifyOperatorParam(&pMergeJoinParam, pGcParam, NULL);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
return optrDefaultNotifyFn(pOperator->pDownstream[1], pMergeJoinParam);
}
static void handleSeqJoinCurrRetrieveEnd(SOperatorInfo* pOperator, SStbJoinDynCtrlInfo* pStbJoin) {
SStbJoinPostJoinCtx* pPost = &pStbJoin->ctx.post;
pPost->isStarted = false;
if (pStbJoin->basic.batchFetch) {
return;
}
if (pPost->leftNeedCache) {
uint32_t* num = tSimpleHashGet(pStbJoin->ctx.prev.leftCache, &pPost->leftCurrUid, sizeof(pPost->leftCurrUid));
if (--(*num) <= 0) {
tSimpleHashRemove(pStbJoin->ctx.prev.leftCache, &pPost->leftCurrUid, sizeof(pPost->leftCurrUid));
notifySeqJoinTableCacheEnd(pOperator, pPost, true);
}
}
if (!pPost->rightNeedCache) {
void* v = tSimpleHashGet(pStbJoin->ctx.prev.rightCache, &pPost->rightCurrUid, sizeof(pPost->rightCurrUid));
if (NULL != v) {
tSimpleHashRemove(pStbJoin->ctx.prev.rightCache, &pPost->rightCurrUid, sizeof(pPost->rightCurrUid));
notifySeqJoinTableCacheEnd(pOperator, pPost, false);
}
}
}
static FORCE_INLINE void seqJoinContinueCurrRetrieve(SOperatorInfo* pOperator, SSDataBlock** ppRes) {
SDynQueryCtrlOperatorInfo* pInfo = pOperator->info;
SStbJoinPostJoinCtx* pPost = &pInfo->stbJoin.ctx.post;
SStbJoinPrevJoinCtx* pPrev = &pInfo->stbJoin.ctx.prev;
if (!pPost->isStarted) {
return;
}
qDebug("%s dynQueryCtrl continue to retrieve block from post op", GET_TASKID(pOperator->pTaskInfo));
*ppRes = getNextBlockFromDownstream(pOperator, 1);
if (NULL == *ppRes) {
handleSeqJoinCurrRetrieveEnd(pOperator, &pInfo->stbJoin);
pPrev->pListHead->readIdx++;
} else {
pInfo->stbJoin.execInfo.postBlkNum++;
pInfo->stbJoin.execInfo.postBlkRows += (*ppRes)->info.rows;
return;
}
}
static FORCE_INLINE int32_t addToJoinVgroupHash(SSHashObj* pHash, void* pKey, int32_t keySize, void* pVal, int32_t valSize) {
SArray** ppArray = tSimpleHashGet(pHash, pKey, keySize);
if (NULL == ppArray) {
SArray* pArray = taosArrayInit(10, valSize);
if (NULL == pArray) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (NULL == taosArrayPush(pArray, pVal)) {
taosArrayDestroy(pArray);
return TSDB_CODE_OUT_OF_MEMORY;
}
if (tSimpleHashPut(pHash, pKey, keySize, &pArray, POINTER_BYTES)) {
taosArrayDestroy(pArray);
return TSDB_CODE_OUT_OF_MEMORY;
}
return TSDB_CODE_SUCCESS;
}
if (NULL == taosArrayPush(*ppArray, pVal)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
return TSDB_CODE_SUCCESS;
}
static FORCE_INLINE int32_t addToJoinTableHash(SSHashObj* pHash, SSHashObj* pOnceHash, void* pKey, int32_t keySize) {
uint32_t* pNum = tSimpleHashGet(pHash, pKey, keySize);
if (NULL == pNum) {
uint32_t n = 1;
if (tSimpleHashPut(pHash, pKey, keySize, &n, sizeof(n))) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (tSimpleHashPut(pOnceHash, pKey, keySize, NULL, 0)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
return TSDB_CODE_SUCCESS;
}
switch (*pNum) {
case 0:
break;
case UINT32_MAX:
*pNum = 0;
break;
default:
if (1 == (*pNum)) {
tSimpleHashRemove(pOnceHash, pKey, keySize);
}
(*pNum)++;
break;
}
return TSDB_CODE_SUCCESS;
}
static void freeStbJoinTableList(SStbJoinTableList* pList) {
if (NULL == pList) {
return;
}
taosMemoryFree(pList->pLeftVg);
taosMemoryFree(pList->pLeftUid);
taosMemoryFree(pList->pRightVg);
taosMemoryFree(pList->pRightUid);
taosMemoryFree(pList);
}
static int32_t appendStbJoinTableList(SStbJoinPrevJoinCtx* pCtx, int64_t rows, int32_t* pLeftVg, int64_t* pLeftUid, int32_t* pRightVg, int64_t* pRightUid) {
SStbJoinTableList* pNew = taosMemoryMalloc(sizeof(SStbJoinTableList));
if (NULL == pNew) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pNew->pLeftVg = taosMemoryMalloc(rows * sizeof(*pLeftVg));
pNew->pLeftUid = taosMemoryMalloc(rows * sizeof(*pLeftUid));
pNew->pRightVg = taosMemoryMalloc(rows * sizeof(*pRightVg));
pNew->pRightUid = taosMemoryMalloc(rows * sizeof(*pRightUid));
if (NULL == pNew->pLeftVg || NULL == pNew->pLeftUid || NULL == pNew->pRightVg || NULL == pNew->pRightUid) {
freeStbJoinTableList(pNew);
return TSDB_CODE_OUT_OF_MEMORY;
}
memcpy(pNew->pLeftVg, pLeftVg, rows * sizeof(*pLeftVg));
memcpy(pNew->pLeftUid, pLeftUid, rows * sizeof(*pLeftUid));
memcpy(pNew->pRightVg, pRightVg, rows * sizeof(*pRightVg));
memcpy(pNew->pRightUid, pRightUid, rows * sizeof(*pRightUid));
pNew->readIdx = 0;
pNew->uidNum = rows;
pNew->pNext = NULL;
if (pCtx->pListTail) {
pCtx->pListTail->pNext = pNew;
pCtx->pListTail = pNew;
} else {
pCtx->pListHead = pNew;
pCtx->pListTail= pNew;
}
return TSDB_CODE_SUCCESS;
}
static void doBuildStbJoinTableHash(SOperatorInfo* pOperator, SSDataBlock* pBlock) {
int32_t code = TSDB_CODE_SUCCESS;
SDynQueryCtrlOperatorInfo* pInfo = pOperator->info;
SStbJoinDynCtrlInfo* pStbJoin = (SStbJoinDynCtrlInfo*)&pInfo->stbJoin;
SColumnInfoData* pVg0 = taosArrayGet(pBlock->pDataBlock, pStbJoin->basic.vgSlot[0]);
SColumnInfoData* pVg1 = taosArrayGet(pBlock->pDataBlock, pStbJoin->basic.vgSlot[1]);
SColumnInfoData* pUid0 = taosArrayGet(pBlock->pDataBlock, pStbJoin->basic.uidSlot[0]);
SColumnInfoData* pUid1 = taosArrayGet(pBlock->pDataBlock, pStbJoin->basic.uidSlot[1]);
if (pStbJoin->basic.batchFetch) {
for (int32_t i = 0; i < pBlock->info.rows; ++i) {
int32_t* leftVg = (int32_t*)(pVg0->pData + pVg0->info.bytes * i);
int64_t* leftUid = (int64_t*)(pUid0->pData + pUid0->info.bytes * i);
int32_t* rightVg = (int32_t*)(pVg1->pData + pVg1->info.bytes * i);
int64_t* rightUid = (int64_t*)(pUid1->pData + pUid1->info.bytes * i);
code = addToJoinVgroupHash(pStbJoin->ctx.prev.leftHash, leftVg, sizeof(*leftVg), leftUid, sizeof(*leftUid));
if (TSDB_CODE_SUCCESS != code) {
break;
}
code = addToJoinVgroupHash(pStbJoin->ctx.prev.rightHash, rightVg, sizeof(*rightVg), rightUid, sizeof(*rightUid));
if (TSDB_CODE_SUCCESS != code) {
break;
}
}
} else {
for (int32_t i = 0; i < pBlock->info.rows; ++i) {
int64_t* leftUid = (int64_t*)(pUid0->pData + pUid0->info.bytes * i);
code = addToJoinTableHash(pStbJoin->ctx.prev.leftCache, pStbJoin->ctx.prev.onceTable, leftUid, sizeof(*leftUid));
if (TSDB_CODE_SUCCESS != code) {
break;
}
}
}
if (TSDB_CODE_SUCCESS == code) {
code = appendStbJoinTableList(&pStbJoin->ctx.prev, pBlock->info.rows, (int32_t*)pVg0->pData, (int64_t*)pUid0->pData, (int32_t*)pVg1->pData, (int64_t*)pUid1->pData);
if (TSDB_CODE_SUCCESS == code) {
pStbJoin->ctx.prev.tableNum += pBlock->info.rows;
}
}
if (TSDB_CODE_SUCCESS != code) {
pOperator->pTaskInfo->code = code;
T_LONG_JMP(pOperator->pTaskInfo->env, pOperator->pTaskInfo->code);
}
}
static void postProcessStbJoinTableHash(SOperatorInfo* pOperator) {
SDynQueryCtrlOperatorInfo* pInfo = pOperator->info;
SStbJoinDynCtrlInfo* pStbJoin = (SStbJoinDynCtrlInfo*)&pInfo->stbJoin;
if (pStbJoin->basic.batchFetch) {
return;
}
if (tSimpleHashGetSize(pStbJoin->ctx.prev.leftCache) == tSimpleHashGetSize(pStbJoin->ctx.prev.onceTable)) {
tSimpleHashClear(pStbJoin->ctx.prev.leftCache);
return;
}
uint64_t* pUid = NULL;
int32_t iter = 0;
while (NULL != (pUid = tSimpleHashIterate(pStbJoin->ctx.prev.onceTable, pUid, &iter))) {
tSimpleHashRemove(pStbJoin->ctx.prev.leftCache, pUid, sizeof(*pUid));
}
pStbJoin->execInfo.leftCacheNum = tSimpleHashGetSize(pStbJoin->ctx.prev.leftCache);
qError("more than 1 ref build table num %" PRId64, (int64_t)tSimpleHashGetSize(pStbJoin->ctx.prev.leftCache));
// debug only
iter = 0;
uint32_t* num = NULL;
while (NULL != (num = tSimpleHashIterate(pStbJoin->ctx.prev.leftCache, num, &iter))) {
ASSERT(*num > 1);
}
}
static void buildStbJoinTableList(SOperatorInfo* pOperator) {
SDynQueryCtrlOperatorInfo* pInfo = pOperator->info;
SStbJoinDynCtrlInfo* pStbJoin = (SStbJoinDynCtrlInfo*)&pInfo->stbJoin;
while (true) {
SSDataBlock* pBlock = getNextBlockFromDownstream(pOperator, 0);
if (NULL == pBlock) {
break;
}
pStbJoin->execInfo.prevBlkNum++;
pStbJoin->execInfo.prevBlkRows += pBlock->info.rows;
doBuildStbJoinTableHash(pOperator, pBlock);
}
postProcessStbJoinTableHash(pOperator);
pStbJoin->ctx.prev.joinBuild = true;
}
static void seqJoinLaunchNewRetrieve(SOperatorInfo* pOperator, SSDataBlock** ppRes) {
SDynQueryCtrlOperatorInfo* pInfo = pOperator->info;
SStbJoinDynCtrlInfo* pStbJoin = (SStbJoinDynCtrlInfo*)&pInfo->stbJoin;
SStbJoinPrevJoinCtx* pPrev = &pStbJoin->ctx.prev;
SStbJoinTableList* pNode = pPrev->pListHead;
while (pNode) {
if (pNode->readIdx >= pNode->uidNum) {
pPrev->pListHead = pNode->pNext;
freeStbJoinTableList(pNode);
pNode = pPrev->pListHead;
continue;
}
seqJoinLaunchNewRetrieveImpl(pOperator, ppRes);
if (*ppRes) {
return;
}
handleSeqJoinCurrRetrieveEnd(pOperator, pStbJoin);
pPrev->pListHead->readIdx++;
}
*ppRes = NULL;
setOperatorCompleted(pOperator);
return;
}
static FORCE_INLINE SSDataBlock* seqStableJoinComposeRes(SStbJoinDynCtrlInfo* pStbJoin, SSDataBlock* pBlock) {
pBlock->info.id.blockId = pStbJoin->outputBlkId;
return pBlock;
}
SSDataBlock* seqStableJoin(SOperatorInfo* pOperator) {
SDynQueryCtrlOperatorInfo* pInfo = pOperator->info;
SStbJoinDynCtrlInfo* pStbJoin = (SStbJoinDynCtrlInfo*)&pInfo->stbJoin;
SSDataBlock* pRes = NULL;
if (pOperator->status == OP_EXEC_DONE) {
return pRes;
}
int64_t st = 0;
if (pOperator->cost.openCost == 0) {
st = taosGetTimestampUs();
}
if (!pStbJoin->ctx.prev.joinBuild) {
buildStbJoinTableList(pOperator);
if (pStbJoin->execInfo.prevBlkRows <= 0) {
setOperatorCompleted(pOperator);
goto _return;
}
}
seqJoinContinueCurrRetrieve(pOperator, &pRes);
if (pRes) {
goto _return;
}
seqJoinLaunchNewRetrieve(pOperator, &pRes);
_return:
if (pOperator->cost.openCost == 0) {
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
}
return pRes ? seqStableJoinComposeRes(pStbJoin, pRes) : NULL;
}
int32_t initSeqStbJoinTableHash(SStbJoinPrevJoinCtx* pPrev, bool batchFetch) {
if (batchFetch) {
pPrev->leftHash = tSimpleHashInit(20, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT));
if (NULL == pPrev->leftHash) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pPrev->rightHash = tSimpleHashInit(20, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT));
if (NULL == pPrev->rightHash) {
return TSDB_CODE_OUT_OF_MEMORY;
}
} else {
pPrev->leftCache = tSimpleHashInit(20, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT));
if (NULL == pPrev->leftCache) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pPrev->rightCache = tSimpleHashInit(20, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT));
if (NULL == pPrev->rightCache) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pPrev->onceTable = tSimpleHashInit(20, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT));
if (NULL == pPrev->onceTable) {
return TSDB_CODE_OUT_OF_MEMORY;
}
}
return TSDB_CODE_SUCCESS;
}
SOperatorInfo* createDynQueryCtrlOperatorInfo(SOperatorInfo** pDownstream, int32_t numOfDownstream,
SDynQueryCtrlPhysiNode* pPhyciNode, SExecTaskInfo* pTaskInfo) {
SDynQueryCtrlOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SDynQueryCtrlOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
__optr_fn_t nextFp = NULL;
int32_t code = TSDB_CODE_SUCCESS;
if (pOperator == NULL || pInfo == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _error;
}
pTaskInfo->dynamicTask = pPhyciNode->node.dynamicOp;
code = appendDownstream(pOperator, pDownstream, numOfDownstream);
if (TSDB_CODE_SUCCESS != code) {
goto _error;
}
pInfo->qType = pPhyciNode->qType;
switch (pInfo->qType) {
case DYN_QTYPE_STB_HASH:
memcpy(&pInfo->stbJoin.basic, &pPhyciNode->stbJoin, sizeof(pPhyciNode->stbJoin));
pInfo->stbJoin.outputBlkId = pPhyciNode->node.pOutputDataBlockDesc->dataBlockId;
code = initSeqStbJoinTableHash(&pInfo->stbJoin.ctx.prev, pInfo->stbJoin.basic.batchFetch);
if (TSDB_CODE_SUCCESS != code) {
goto _error;
}
nextFp = seqStableJoin;
break;
default:
qError("unsupported dynamic query ctrl type: %d", pInfo->qType);
code = TSDB_CODE_INVALID_PARA;
goto _error;
}
setOperatorInfo(pOperator, "DynQueryCtrlOperator", QUERY_NODE_PHYSICAL_PLAN_DYN_QUERY_CTRL, false, OP_NOT_OPENED, pInfo, pTaskInfo);
pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, nextFp, NULL, destroyDynQueryCtrlOperator, optrDefaultBufFn, NULL, optrDefaultGetNextExtFn, NULL);
return pOperator;
_error:
if (pInfo != NULL) {
destroyDynQueryCtrlOperator(pInfo);
}
taosMemoryFree(pOperator);
pTaskInfo->code = code;
return NULL;
}