enh: merge join
This commit is contained in:
dapan1121
parent
3b4a8f6ead
commit
f5aaa92a7e
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@ -468,26 +468,37 @@ typedef struct SInterpFuncPhysiNode {
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} SInterpFuncPhysiNode;
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typedef struct SSortMergeJoinPhysiNode {
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SPhysiNode node;
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EJoinType joinType;
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SNode* pPrimKeyCond;
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SNode* pColEqCond;
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SNode* pFullOnCond;
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SNodeList* pTargets;
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SPhysiNode node;
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EJoinType joinType;
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EJoinSubType subType;
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SNode* pWindowOffset;
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SNode* pJLimit;
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int32_t leftPrimSlotId;
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int32_t rightPrimSlotId;
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SNodeList* pEqLeft;
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SNodeList* pEqRight;
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SNode* pPrimKeyCond; //remove
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SNode* pColEqCond; //remove
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SNode* pColOnCond;
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SNode* pFullOnCond;
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SNodeList* pTargets;
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} SSortMergeJoinPhysiNode;
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typedef struct SHashJoinPhysiNode {
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SPhysiNode node;
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EJoinType joinType;
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SNodeList* pOnLeft;
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SNodeList* pOnRight;
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SNode* pFilterConditions;
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SNodeList* pTargets;
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SQueryStat inputStat[2];
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SPhysiNode node;
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EJoinType joinType;
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EJoinSubType subType;
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SNode* pWindowOffset;
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SNode* pJLimit;
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SNodeList* pOnLeft;
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SNodeList* pOnRight;
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SNode* pFilterConditions;
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SNodeList* pTargets;
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SQueryStat inputStat[2];
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SNode* pPrimKeyCond;
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SNode* pColEqCond;
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SNode* pTagEqCond;
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SNode* pPrimKeyCond;
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SNode* pColEqCond;
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SNode* pTagEqCond;
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} SHashJoinPhysiNode;
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typedef struct SGroupCachePhysiNode {
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@ -23,6 +23,7 @@ extern "C" {
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#include "nodes.h"
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#include "tmsg.h"
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#include "tvariant.h"
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#include "tsimplehash.h"
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#define TABLE_TOTAL_COL_NUM(pMeta) ((pMeta)->tableInfo.numOfColumns + (pMeta)->tableInfo.numOfTags)
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#define TABLE_META_SIZE(pMeta) \
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@ -552,15 +553,15 @@ typedef struct SQuery {
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bool stableQuery;
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} SQuery;
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void nodesWalkSelectStmtImpl(SSelectStmt* pSelect, ESqlClause clause, FNodeWalker walker, void* pContext, bool ignoreFrom);
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void nodesWalkSelectStmtImpl(SSelectStmt* pSelect, ESqlClause clause, FNodeWalker walker, void* pContext);
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void nodesWalkSelectStmt(SSelectStmt* pSelect, ESqlClause clause, FNodeWalker walker, void* pContext);
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void nodesRewriteSelectStmt(SSelectStmt* pSelect, ESqlClause clause, FNodeRewriter rewriter, void* pContext);
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typedef enum ECollectColType { COLLECT_COL_TYPE_COL = 1, COLLECT_COL_TYPE_TAG, COLLECT_COL_TYPE_ALL } ECollectColType;
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int32_t nodesCollectColumns(SSelectStmt* pSelect, ESqlClause clause, const char* pTableAlias, ECollectColType type,
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SNodeList** pCols);
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int32_t nodesCollectColumnsExt(SSelectStmt* pSelect, ESqlClause clause, const char* pTableAlias, ECollectColType type,
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SNodeList** pCols, bool ignoreFrom);
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int32_t nodesCollectColumnsExt(SSelectStmt* pSelect, ESqlClause clause, SSHashObj* pMultiTableAlias, ECollectColType type,
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SNodeList** pCols);
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int32_t nodesCollectColumnsFromNode(SNode* node, const char* pTableAlias, ECollectColType type, SNodeList** pCols);
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typedef bool (*FFuncClassifier)(int32_t funcId);
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@ -36,11 +36,6 @@ typedef struct SHJoinCtx {
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int32_t probeIdx;
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} SHJoinCtx;
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typedef struct SRowLocation {
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SSDataBlock* pDataBlock;
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int32_t pos;
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} SRowLocation;
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typedef struct SHJoinColInfo {
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int32_t srcSlot;
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int32_t dstSlot;
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@ -0,0 +1,82 @@
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/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TDENGINE_MERGEJOIN_H
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#define TDENGINE_MERGEJOIN_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef SSDataBlock* (*joinImplFp)(SOperatorInfo*);
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typedef struct SMJoinColInfo {
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int32_t srcSlot;
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int32_t dstSlot;
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bool keyCol;
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bool vardata;
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int32_t* offset;
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int32_t bytes;
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char* data;
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char* bitMap;
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} SMJoinColInfo;
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typedef struct SMJoinTableInfo {
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int32_t downStreamIdx;
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SOperatorInfo* downStream;
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int32_t blkId;
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SQueryStat inputStat;
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SMJoinColInfo* primCol;
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char* primData;
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int32_t keyNum;
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SMJoinColInfo* keyCols;
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char* keyBuf;
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char* keyData;
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int32_t valNum;
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SMJoinColInfo* valCols;
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char* valData;
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int32_t valBitMapSize;
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int32_t valBufSize;
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SArray* valVarCols;
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bool valColExist;
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} SMJoinTableInfo;
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typedef struct SMJoinOperatorInfo {
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int32_t joinType;
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int32_t inputTsOrder;
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SMJoinTableInfo tbs[2];
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SMJoinTableInfo* pBuild;
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SMJoinTableInfo* pProbe;
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SSDataBlock* pRes;
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int32_t pResColNum;
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int8_t* pResColMap;
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SArray* pRowBufs;
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SFilterInfo* pPreFilter;
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SFilterInfo* pFinFilter;
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SSHashObj* pKeyHash;
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bool keyHashBuilt;
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joinImplFp joinFp;
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SHJoinCtx ctx;
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SHJoinExecInfo execInfo;
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} SMJoinOperatorInfo;
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#ifdef __cplusplus
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}
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#endif
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#endif // TDENGINE_MERGEJOIN_H
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@ -106,7 +106,7 @@ static bool valColInKeyCols(int16_t slotId, int32_t keyNum, SHJoinColInfo* pKeys
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return false;
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}
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static int32_t initJoinValColsInfo(SHJoinTableInfo* pTable, SNodeList* pList) {
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static int32_t initHJoinValColsInfo(SHJoinTableInfo* pTable, SNodeList* pList) {
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getHJoinValColNum(pList, pTable->blkId, &pTable->valNum);
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if (pTable->valNum == 0) {
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return TSDB_CODE_SUCCESS;
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@ -173,7 +173,7 @@ static int32_t initHJoinTableInfo(SHJoinOperatorInfo* pJoin, SHashJoinPhysiNode*
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if (code) {
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return code;
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}
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code = initJoinValColsInfo(pTable, pJoinNode->pTargets);
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code = initHJoinValColsInfo(pTable, pJoinNode->pTargets);
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if (code) {
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return code;
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}
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,848 @@
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/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "executorInt.h"
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#include "filter.h"
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#include "function.h"
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#include "operator.h"
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#include "os.h"
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#include "querynodes.h"
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#include "querytask.h"
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#include "tcompare.h"
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#include "tdatablock.h"
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#include "thash.h"
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#include "tmsg.h"
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#include "ttypes.h"
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typedef struct SMJoinRowCtx {
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bool rowRemains;
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int64_t ts;
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SArray* leftRowLocations;
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SArray* leftCreatedBlocks;
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SArray* rightCreatedBlocks;
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int32_t leftRowIdx;
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int32_t rightRowIdx;
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bool rightUseBuildTable;
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SArray* rightRowLocations;
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} SMJoinRowCtx;
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typedef struct SMJoinOperatorInfo {
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SSDataBlock* pRes;
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int32_t joinType;
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int32_t inputOrder;
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bool downstreamInitDone[2];
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bool downstreamFetchDone[2];
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int16_t downstreamResBlkId[2];
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SSDataBlock* pLeft;
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int32_t leftPos;
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SColumnInfo leftCol;
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SSDataBlock* pRight;
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int32_t rightPos;
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SColumnInfo rightCol;
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SNode* pCondAfterMerge;
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SNode* pColEqualOnConditions;
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SArray* leftEqOnCondCols;
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char* leftEqOnCondKeyBuf;
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int32_t leftEqOnCondKeyLen;
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SArray* rightEqOnCondCols;
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char* rightEqOnCondKeyBuf;
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int32_t rightEqOnCondKeyLen;
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SSHashObj* rightBuildTable;
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SMJoinRowCtx rowCtx;
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int64_t resRows;
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} SMJoinOperatorInfo;
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static void setJoinColumnInfo(SColumnInfo* pColumn, const SColumnNode* pColumnNode);
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static SSDataBlock* doMergeJoin(struct SOperatorInfo* pOperator);
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static void destroyMergeJoinOperator(void* param);
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static void extractTimeCondition(SMJoinOperatorInfo* pInfo, SSortMergeJoinPhysiNode* pJoinNode, const char* idStr);
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static void extractTimeCondition(SMJoinOperatorInfo* pInfo, SSortMergeJoinPhysiNode* pJoinNode, const char* idStr) {
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SNode* pPrimKeyCond = pJoinNode->pPrimKeyCond;
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if (nodeType(pPrimKeyCond) != QUERY_NODE_OPERATOR) {
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qError("not support this in join operator, %s", idStr);
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return; // do not handle this
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}
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SOperatorNode* pNode = (SOperatorNode*)pPrimKeyCond;
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SColumnNode* col1 = (SColumnNode*)pNode->pLeft;
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SColumnNode* col2 = (SColumnNode*)pNode->pRight;
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SColumnNode* leftTsCol = NULL;
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SColumnNode* rightTsCol = NULL;
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if (col1->dataBlockId == col2->dataBlockId) {
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leftTsCol = col1;
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rightTsCol = col2;
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} else {
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if (col1->dataBlockId == pInfo->downstreamResBlkId[0]) {
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ASSERT(col2->dataBlockId == pInfo->downstreamResBlkId[1]);
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leftTsCol = col1;
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rightTsCol = col2;
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} else {
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ASSERT(col1->dataBlockId == pInfo->downstreamResBlkId[1]);
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ASSERT(col2->dataBlockId == pInfo->downstreamResBlkId[0]);
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leftTsCol = col2;
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rightTsCol = col1;
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}
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}
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setJoinColumnInfo(&pInfo->leftCol, leftTsCol);
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setJoinColumnInfo(&pInfo->rightCol, rightTsCol);
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}
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static void extractEqualOnCondColsFromOper(SMJoinOperatorInfo* pInfo, SOperatorNode* pOperNode,
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SColumn* pLeft, SColumn* pRight) {
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SColumnNode* pLeftNode = (SColumnNode*)pOperNode->pLeft;
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SColumnNode* pRightNode = (SColumnNode*)pOperNode->pRight;
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if (pLeftNode->dataBlockId == pRightNode->dataBlockId || pLeftNode->dataBlockId == pInfo->downstreamResBlkId[0]) {
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*pLeft = extractColumnFromColumnNode((SColumnNode*)pOperNode->pLeft);
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*pRight = extractColumnFromColumnNode((SColumnNode*)pOperNode->pRight);
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} else {
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*pLeft = extractColumnFromColumnNode((SColumnNode*)pOperNode->pRight);
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*pRight = extractColumnFromColumnNode((SColumnNode*)pOperNode->pLeft);
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}
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}
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static void extractEqualOnCondCols(SMJoinOperatorInfo* pInfo, SNode* pEqualOnCondNode,
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SArray* leftTagEqCols, SArray* rightTagEqCols) {
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SColumn left = {0};
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SColumn right = {0};
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if (nodeType(pEqualOnCondNode) == QUERY_NODE_LOGIC_CONDITION && ((SLogicConditionNode*)pEqualOnCondNode)->condType == LOGIC_COND_TYPE_AND) {
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SNode* pNode = NULL;
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FOREACH(pNode, ((SLogicConditionNode*)pEqualOnCondNode)->pParameterList) {
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SOperatorNode* pOperNode = (SOperatorNode*)pNode;
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extractEqualOnCondColsFromOper(pInfo, pOperNode, &left, &right);
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taosArrayPush(leftTagEqCols, &left);
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taosArrayPush(rightTagEqCols, &right);
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}
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return;
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}
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if (nodeType(pEqualOnCondNode) == QUERY_NODE_OPERATOR) {
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SOperatorNode* pOperNode = (SOperatorNode*)pEqualOnCondNode;
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extractEqualOnCondColsFromOper(pInfo, pOperNode, &left, &right);
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taosArrayPush(leftTagEqCols, &left);
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taosArrayPush(rightTagEqCols, &right);
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}
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}
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static int32_t initTagColskeyBuf(int32_t* keyLen, char** keyBuf, const SArray* pGroupColList) {
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int32_t numOfGroupCols = taosArrayGetSize(pGroupColList);
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for (int32_t i = 0; i < numOfGroupCols; ++i) {
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SColumn* pCol = (SColumn*)taosArrayGet(pGroupColList, i);
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(*keyLen) += pCol->bytes; // actual data + null_flag
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}
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int32_t nullFlagSize = sizeof(int8_t) * numOfGroupCols;
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(*keyLen) += nullFlagSize;
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if (*keyLen >= 0) {
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(*keyBuf) = taosMemoryCalloc(1, (*keyLen));
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if ((*keyBuf) == NULL) {
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return TSDB_CODE_OUT_OF_MEMORY;
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}
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}
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return TSDB_CODE_SUCCESS;
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}
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static int32_t fillKeyBufFromTagCols(SArray* pCols, SSDataBlock* pBlock, int32_t rowIndex, void* pKey) {
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SColumnDataAgg* pColAgg = NULL;
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size_t numOfGroupCols = taosArrayGetSize(pCols);
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char* isNull = (char*)pKey;
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char* pStart = (char*)pKey + sizeof(int8_t) * numOfGroupCols;
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for (int32_t i = 0; i < numOfGroupCols; ++i) {
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SColumn* pCol = (SColumn*) taosArrayGet(pCols, i);
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SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, pCol->slotId);
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// valid range check. todo: return error code.
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if (pCol->slotId > taosArrayGetSize(pBlock->pDataBlock)) {
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continue;
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}
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if (pBlock->pBlockAgg != NULL) {
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pColAgg = pBlock->pBlockAgg[pCol->slotId]; // TODO is agg data matched?
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}
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if (colDataIsNull(pColInfoData, pBlock->info.rows, rowIndex, pColAgg)) {
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isNull[i] = 1;
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} else {
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isNull[i] = 0;
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char* val = colDataGetData(pColInfoData, rowIndex);
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if (pCol->type == TSDB_DATA_TYPE_JSON) {
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int32_t dataLen = getJsonValueLen(val);
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memcpy(pStart, val, dataLen);
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pStart += dataLen;
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} else if (IS_VAR_DATA_TYPE(pCol->type)) {
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varDataCopy(pStart, val);
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pStart += varDataTLen(val);
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} else {
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memcpy(pStart, val, pCol->bytes);
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pStart += pCol->bytes;
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}
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}
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}
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return (int32_t)(pStart - (char*)pKey);
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}
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SOperatorInfo** buildMergeJoinDownstreams(SMJoinOperatorInfo* pInfo, SOperatorInfo** pDownstream) {
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SOperatorInfo** p = taosMemoryMalloc(2 * POINTER_BYTES);
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if (p) {
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p[0] = pDownstream[0];
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p[1] = pDownstream[0];
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pInfo->downstreamResBlkId[0] = getOperatorResultBlockId(p[0], 0);
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pInfo->downstreamResBlkId[1] = getOperatorResultBlockId(p[1], 1);
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}
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return p;
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}
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SOperatorInfo* createMergeJoinOperatorInfo(SOperatorInfo** pDownstream, int32_t numOfDownstream,
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SSortMergeJoinPhysiNode* pJoinNode, SExecTaskInfo* pTaskInfo) {
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SMJoinOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SMJoinOperatorInfo));
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SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
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bool newDownstreams = false;
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int32_t code = TSDB_CODE_SUCCESS;
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if (pOperator == NULL || pInfo == NULL) {
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code = TSDB_CODE_OUT_OF_MEMORY;
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goto _error;
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}
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if (1 == numOfDownstream) {
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newDownstreams = true;
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pDownstream = buildMergeJoinDownstreams(pInfo, pDownstream);
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if (NULL == pDownstream) {
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code = TSDB_CODE_OUT_OF_MEMORY;
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goto _error;
|
||||
}
|
||||
numOfDownstream = 2;
|
||||
} else {
|
||||
pInfo->downstreamResBlkId[0] = getOperatorResultBlockId(pDownstream[0], 0);
|
||||
pInfo->downstreamResBlkId[1] = getOperatorResultBlockId(pDownstream[1], 0);
|
||||
}
|
||||
|
||||
int32_t numOfCols = 0;
|
||||
pInfo->pRes = createDataBlockFromDescNode(pJoinNode->node.pOutputDataBlockDesc);
|
||||
|
||||
SExprInfo* pExprInfo = createExprInfo(pJoinNode->pTargets, NULL, &numOfCols);
|
||||
initResultSizeInfo(&pOperator->resultInfo, 4096);
|
||||
blockDataEnsureCapacity(pInfo->pRes, pOperator->resultInfo.capacity);
|
||||
|
||||
setOperatorInfo(pOperator, "MergeJoinOperator", QUERY_NODE_PHYSICAL_PLAN_MERGE_JOIN, false, OP_NOT_OPENED, pInfo, pTaskInfo);
|
||||
pOperator->exprSupp.pExprInfo = pExprInfo;
|
||||
pOperator->exprSupp.numOfExprs = numOfCols;
|
||||
|
||||
extractTimeCondition(pInfo, pJoinNode, GET_TASKID(pTaskInfo));
|
||||
|
||||
if (pJoinNode->pFullOnCond != NULL && pJoinNode->node.pConditions != NULL) {
|
||||
pInfo->pCondAfterMerge = nodesMakeNode(QUERY_NODE_LOGIC_CONDITION);
|
||||
if (pInfo->pCondAfterMerge == NULL) {
|
||||
code = TSDB_CODE_OUT_OF_MEMORY;
|
||||
goto _error;
|
||||
}
|
||||
|
||||
SLogicConditionNode* pLogicCond = (SLogicConditionNode*)(pInfo->pCondAfterMerge);
|
||||
pLogicCond->pParameterList = nodesMakeList();
|
||||
if (pLogicCond->pParameterList == NULL) {
|
||||
code = TSDB_CODE_OUT_OF_MEMORY;
|
||||
goto _error;
|
||||
}
|
||||
|
||||
nodesListMakeAppend(&pLogicCond->pParameterList, nodesCloneNode(pJoinNode->pFullOnCond));
|
||||
nodesListMakeAppend(&pLogicCond->pParameterList, nodesCloneNode(pJoinNode->node.pConditions));
|
||||
pLogicCond->condType = LOGIC_COND_TYPE_AND;
|
||||
} else if (pJoinNode->pFullOnCond != NULL) {
|
||||
pInfo->pCondAfterMerge = nodesCloneNode(pJoinNode->pFullOnCond);
|
||||
} else if (pJoinNode->pColEqCond != NULL) {
|
||||
pInfo->pCondAfterMerge = nodesCloneNode(pJoinNode->pColEqCond);
|
||||
} else if (pJoinNode->node.pConditions != NULL) {
|
||||
pInfo->pCondAfterMerge = nodesCloneNode(pJoinNode->node.pConditions);
|
||||
} else {
|
||||
pInfo->pCondAfterMerge = NULL;
|
||||
}
|
||||
|
||||
code = filterInitFromNode(pInfo->pCondAfterMerge, &pOperator->exprSupp.pFilterInfo, 0);
|
||||
if (code != TSDB_CODE_SUCCESS) {
|
||||
goto _error;
|
||||
}
|
||||
|
||||
pInfo->inputOrder = TSDB_ORDER_ASC;
|
||||
if (pJoinNode->node.inputTsOrder == ORDER_ASC) {
|
||||
pInfo->inputOrder = TSDB_ORDER_ASC;
|
||||
} else if (pJoinNode->node.inputTsOrder == ORDER_DESC) {
|
||||
pInfo->inputOrder = TSDB_ORDER_DESC;
|
||||
}
|
||||
|
||||
pInfo->pColEqualOnConditions = pJoinNode->pColEqCond;
|
||||
if (pInfo->pColEqualOnConditions != NULL) {
|
||||
pInfo->leftEqOnCondCols = taosArrayInit(4, sizeof(SColumn));
|
||||
pInfo->rightEqOnCondCols = taosArrayInit(4, sizeof(SColumn));
|
||||
extractEqualOnCondCols(pInfo, pInfo->pColEqualOnConditions, pInfo->leftEqOnCondCols, pInfo->rightEqOnCondCols);
|
||||
initTagColskeyBuf(&pInfo->leftEqOnCondKeyLen, &pInfo->leftEqOnCondKeyBuf, pInfo->leftEqOnCondCols);
|
||||
initTagColskeyBuf(&pInfo->rightEqOnCondKeyLen, &pInfo->rightEqOnCondKeyBuf, pInfo->rightEqOnCondCols);
|
||||
_hash_fn_t hashFn = taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY);
|
||||
pInfo->rightBuildTable = tSimpleHashInit(256, hashFn);
|
||||
}
|
||||
pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doMergeJoin, NULL, destroyMergeJoinOperator, optrDefaultBufFn, NULL, optrDefaultGetNextExtFn, NULL);
|
||||
|
||||
code = appendDownstream(pOperator, pDownstream, numOfDownstream);
|
||||
if (code != TSDB_CODE_SUCCESS) {
|
||||
goto _error;
|
||||
}
|
||||
if (newDownstreams) {
|
||||
taosMemoryFree(pDownstream);
|
||||
}
|
||||
|
||||
pOperator->numOfRealDownstream = newDownstreams ? 1 : 2;
|
||||
|
||||
return pOperator;
|
||||
|
||||
_error:
|
||||
if (pInfo != NULL) {
|
||||
destroyMergeJoinOperator(pInfo);
|
||||
}
|
||||
if (newDownstreams) {
|
||||
taosMemoryFree(pDownstream);
|
||||
}
|
||||
|
||||
taosMemoryFree(pOperator);
|
||||
pTaskInfo->code = code;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void setJoinColumnInfo(SColumnInfo* pColumn, const SColumnNode* pColumnNode) {
|
||||
pColumn->slotId = pColumnNode->slotId;
|
||||
pColumn->type = pColumnNode->node.resType.type;
|
||||
pColumn->bytes = pColumnNode->node.resType.bytes;
|
||||
pColumn->precision = pColumnNode->node.resType.precision;
|
||||
pColumn->scale = pColumnNode->node.resType.scale;
|
||||
}
|
||||
|
||||
static void mergeJoinDestoryBuildTable(SSHashObj* pBuildTable) {
|
||||
void* p = NULL;
|
||||
int32_t iter = 0;
|
||||
|
||||
while ((p = tSimpleHashIterate(pBuildTable, p, &iter)) != NULL) {
|
||||
SArray* rows = (*(SArray**)p);
|
||||
taosArrayDestroy(rows);
|
||||
}
|
||||
|
||||
tSimpleHashCleanup(pBuildTable);
|
||||
}
|
||||
|
||||
void destroyMergeJoinOperator(void* param) {
|
||||
SMJoinOperatorInfo* pJoinOperator = (SMJoinOperatorInfo*)param;
|
||||
if (pJoinOperator->pColEqualOnConditions != NULL) {
|
||||
mergeJoinDestoryBuildTable(pJoinOperator->rightBuildTable);
|
||||
taosMemoryFreeClear(pJoinOperator->rightEqOnCondKeyBuf);
|
||||
taosArrayDestroy(pJoinOperator->rightEqOnCondCols);
|
||||
|
||||
taosMemoryFreeClear(pJoinOperator->leftEqOnCondKeyBuf);
|
||||
taosArrayDestroy(pJoinOperator->leftEqOnCondCols);
|
||||
}
|
||||
nodesDestroyNode(pJoinOperator->pCondAfterMerge);
|
||||
|
||||
taosArrayDestroy(pJoinOperator->rowCtx.leftCreatedBlocks);
|
||||
taosArrayDestroy(pJoinOperator->rowCtx.rightCreatedBlocks);
|
||||
taosArrayDestroy(pJoinOperator->rowCtx.leftRowLocations);
|
||||
taosArrayDestroy(pJoinOperator->rowCtx.rightRowLocations);
|
||||
|
||||
pJoinOperator->pRes = blockDataDestroy(pJoinOperator->pRes);
|
||||
taosMemoryFreeClear(param);
|
||||
}
|
||||
|
||||
static void mergeJoinJoinLeftRight(struct SOperatorInfo* pOperator, SSDataBlock* pRes, int32_t currRow,
|
||||
SSDataBlock* pLeftBlock, int32_t leftPos, SSDataBlock* pRightBlock,
|
||||
int32_t rightPos) {
|
||||
SMJoinOperatorInfo* pJoinInfo = pOperator->info;
|
||||
|
||||
for (int32_t i = 0; i < pOperator->exprSupp.numOfExprs; ++i) {
|
||||
SColumnInfoData* pDst = taosArrayGet(pRes->pDataBlock, i);
|
||||
|
||||
SExprInfo* pExprInfo = &pOperator->exprSupp.pExprInfo[i];
|
||||
|
||||
int32_t blockId = pExprInfo->base.pParam[0].pCol->dataBlockId;
|
||||
int32_t slotId = pExprInfo->base.pParam[0].pCol->slotId;
|
||||
int32_t rowIndex = -1;
|
||||
|
||||
SColumnInfoData* pSrc = NULL;
|
||||
if (pLeftBlock->info.id.blockId == blockId) {
|
||||
pSrc = taosArrayGet(pLeftBlock->pDataBlock, slotId);
|
||||
rowIndex = leftPos;
|
||||
} else {
|
||||
pSrc = taosArrayGet(pRightBlock->pDataBlock, slotId);
|
||||
rowIndex = rightPos;
|
||||
}
|
||||
|
||||
if (colDataIsNull_s(pSrc, rowIndex)) {
|
||||
colDataSetNULL(pDst, currRow);
|
||||
} else {
|
||||
char* p = colDataGetData(pSrc, rowIndex);
|
||||
colDataSetVal(pDst, currRow, p, false);
|
||||
}
|
||||
}
|
||||
}
|
||||
typedef struct SRowLocation {
|
||||
SSDataBlock* pDataBlock;
|
||||
int32_t pos;
|
||||
} SRowLocation;
|
||||
|
||||
// pBlock[tsSlotId][startPos, endPos) == timestamp,
|
||||
static int32_t mergeJoinGetBlockRowsEqualTs(SSDataBlock* pBlock, int16_t tsSlotId, int32_t startPos, int64_t timestamp,
|
||||
int32_t* pEndPos, SArray* rowLocations, SArray* createdBlocks) {
|
||||
int32_t numRows = pBlock->info.rows;
|
||||
ASSERT(startPos < numRows);
|
||||
SColumnInfoData* pCol = taosArrayGet(pBlock->pDataBlock, tsSlotId);
|
||||
|
||||
int32_t i = startPos;
|
||||
for (; i < numRows; ++i) {
|
||||
char* pNextVal = colDataGetData(pCol, i);
|
||||
if (timestamp != *(int64_t*)pNextVal) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
int32_t endPos = i;
|
||||
*pEndPos = endPos;
|
||||
|
||||
if (endPos - startPos == 0) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
SSDataBlock* block = pBlock;
|
||||
bool createdNewBlock = false;
|
||||
if (endPos == numRows) {
|
||||
block = blockDataExtractBlock(pBlock, startPos, endPos - startPos);
|
||||
taosArrayPush(createdBlocks, &block);
|
||||
createdNewBlock = true;
|
||||
}
|
||||
SRowLocation location = {0};
|
||||
for (int32_t j = startPos; j < endPos; ++j) {
|
||||
location.pDataBlock = block;
|
||||
location.pos = (createdNewBlock ? j - startPos : j);
|
||||
taosArrayPush(rowLocations, &location);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
// whichChild == 0, left child of join; whichChild ==1, right child of join
|
||||
static int32_t mergeJoinGetDownStreamRowsEqualTimeStamp(SOperatorInfo* pOperator, int32_t whichChild, int16_t tsSlotId,
|
||||
SSDataBlock* startDataBlock, int32_t startPos,
|
||||
int64_t timestamp, SArray* rowLocations,
|
||||
SArray* createdBlocks) {
|
||||
ASSERT(whichChild == 0 || whichChild == 1);
|
||||
|
||||
SMJoinOperatorInfo* pJoinInfo = pOperator->info;
|
||||
int32_t endPos = -1;
|
||||
SSDataBlock* dataBlock = startDataBlock;
|
||||
mergeJoinGetBlockRowsEqualTs(dataBlock, tsSlotId, startPos, timestamp, &endPos, rowLocations, createdBlocks);
|
||||
while (endPos == dataBlock->info.rows) {
|
||||
SOperatorInfo* ds = pOperator->pDownstream[whichChild];
|
||||
dataBlock = getNextBlockFromDownstreamRemain(pOperator, whichChild);
|
||||
qError("merge join %s got block for same ts, rows:%" PRId64, whichChild == 0 ? "left" : "right", dataBlock ? dataBlock->info.rows : 0);
|
||||
if (whichChild == 0) {
|
||||
pJoinInfo->leftPos = 0;
|
||||
pJoinInfo->pLeft = dataBlock;
|
||||
} else if (whichChild == 1) {
|
||||
pJoinInfo->rightPos = 0;
|
||||
pJoinInfo->pRight = dataBlock;
|
||||
}
|
||||
|
||||
if (dataBlock == NULL) {
|
||||
pJoinInfo->downstreamFetchDone[whichChild] = true;
|
||||
endPos = -1;
|
||||
break;
|
||||
}
|
||||
|
||||
mergeJoinGetBlockRowsEqualTs(dataBlock, tsSlotId, 0, timestamp, &endPos, rowLocations, createdBlocks);
|
||||
}
|
||||
if (endPos != -1) {
|
||||
if (whichChild == 0) {
|
||||
pJoinInfo->leftPos = endPos;
|
||||
} else if (whichChild == 1) {
|
||||
pJoinInfo->rightPos = endPos;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int32_t mergeJoinFillBuildTable(SMJoinOperatorInfo* pInfo, SArray* rightRowLocations) {
|
||||
for (int32_t i = 0; i < taosArrayGetSize(rightRowLocations); ++i) {
|
||||
SRowLocation* rightRow = taosArrayGet(rightRowLocations, i);
|
||||
int32_t keyLen = fillKeyBufFromTagCols(pInfo->rightEqOnCondCols, rightRow->pDataBlock, rightRow->pos, pInfo->rightEqOnCondKeyBuf);
|
||||
SArray** ppRows = tSimpleHashGet(pInfo->rightBuildTable, pInfo->rightEqOnCondKeyBuf, keyLen);
|
||||
if (!ppRows) {
|
||||
SArray* rows = taosArrayInit(4, sizeof(SRowLocation));
|
||||
taosArrayPush(rows, rightRow);
|
||||
tSimpleHashPut(pInfo->rightBuildTable, pInfo->rightEqOnCondKeyBuf, keyLen, &rows, POINTER_BYTES);
|
||||
} else {
|
||||
taosArrayPush(*ppRows, rightRow);
|
||||
}
|
||||
}
|
||||
return TSDB_CODE_SUCCESS;
|
||||
}
|
||||
|
||||
static int32_t mergeJoinLeftRowsRightRows(SOperatorInfo* pOperator, SSDataBlock* pRes, int32_t* nRows,
|
||||
const SArray* leftRowLocations, int32_t leftRowIdx,
|
||||
int32_t rightRowIdx, bool useBuildTableTSRange, SArray* rightRowLocations, bool* pReachThreshold) {
|
||||
*pReachThreshold = false;
|
||||
uint32_t limitRowNum = pOperator->resultInfo.threshold;
|
||||
SMJoinOperatorInfo* pJoinInfo = pOperator->info;
|
||||
size_t leftNumJoin = taosArrayGetSize(leftRowLocations);
|
||||
|
||||
int32_t i,j;
|
||||
|
||||
for (i = leftRowIdx; i < leftNumJoin; ++i, rightRowIdx = 0) {
|
||||
SRowLocation* leftRow = taosArrayGet(leftRowLocations, i);
|
||||
SArray* pRightRows = NULL;
|
||||
if (useBuildTableTSRange) {
|
||||
int32_t keyLen = fillKeyBufFromTagCols(pJoinInfo->leftEqOnCondCols, leftRow->pDataBlock, leftRow->pos, pJoinInfo->leftEqOnCondKeyBuf);
|
||||
SArray** ppRightRows = tSimpleHashGet(pJoinInfo->rightBuildTable, pJoinInfo->leftEqOnCondKeyBuf, keyLen);
|
||||
if (!ppRightRows) {
|
||||
continue;
|
||||
}
|
||||
pRightRows = *ppRightRows;
|
||||
} else {
|
||||
pRightRows = rightRowLocations;
|
||||
}
|
||||
size_t rightRowsSize = taosArrayGetSize(pRightRows);
|
||||
for (j = rightRowIdx; j < rightRowsSize; ++j) {
|
||||
if (*nRows >= limitRowNum) {
|
||||
*pReachThreshold = true;
|
||||
break;
|
||||
}
|
||||
|
||||
SRowLocation* rightRow = taosArrayGet(pRightRows, j);
|
||||
mergeJoinJoinLeftRight(pOperator, pRes, *nRows, leftRow->pDataBlock, leftRow->pos, rightRow->pDataBlock,
|
||||
rightRow->pos);
|
||||
++*nRows;
|
||||
}
|
||||
if (*pReachThreshold) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (*pReachThreshold) {
|
||||
pJoinInfo->rowCtx.rowRemains = true;
|
||||
pJoinInfo->rowCtx.leftRowIdx = i;
|
||||
pJoinInfo->rowCtx.rightRowIdx = j;
|
||||
}
|
||||
return TSDB_CODE_SUCCESS;
|
||||
}
|
||||
|
||||
static void mergeJoinDestroyTSRangeCtx(SMJoinOperatorInfo* pJoinInfo, SArray* leftRowLocations, SArray* leftCreatedBlocks,
|
||||
SArray* rightCreatedBlocks, bool rightUseBuildTable, SArray* rightRowLocations) {
|
||||
for (int i = 0; i < taosArrayGetSize(rightCreatedBlocks); ++i) {
|
||||
SSDataBlock* pBlock = taosArrayGetP(rightCreatedBlocks, i);
|
||||
blockDataDestroy(pBlock);
|
||||
}
|
||||
taosArrayDestroy(rightCreatedBlocks);
|
||||
for (int i = 0; i < taosArrayGetSize(leftCreatedBlocks); ++i) {
|
||||
SSDataBlock* pBlock = taosArrayGetP(leftCreatedBlocks, i);
|
||||
blockDataDestroy(pBlock);
|
||||
}
|
||||
if (rightRowLocations != NULL) {
|
||||
taosArrayDestroy(rightRowLocations);
|
||||
}
|
||||
if (rightUseBuildTable) {
|
||||
void* p = NULL;
|
||||
int32_t iter = 0;
|
||||
while ((p = tSimpleHashIterate(pJoinInfo->rightBuildTable, p, &iter)) != NULL) {
|
||||
SArray* rows = (*(SArray**)p);
|
||||
taosArrayDestroy(rows);
|
||||
}
|
||||
tSimpleHashClear(pJoinInfo->rightBuildTable);
|
||||
}
|
||||
|
||||
taosArrayDestroy(leftCreatedBlocks);
|
||||
taosArrayDestroy(leftRowLocations);
|
||||
|
||||
pJoinInfo->rowCtx.rowRemains = false;
|
||||
pJoinInfo->rowCtx.leftRowLocations = NULL;
|
||||
pJoinInfo->rowCtx.leftCreatedBlocks = NULL;
|
||||
pJoinInfo->rowCtx.rightCreatedBlocks = NULL;
|
||||
pJoinInfo->rowCtx.rightUseBuildTable = false;
|
||||
pJoinInfo->rowCtx.rightRowLocations = NULL;
|
||||
}
|
||||
|
||||
static int32_t mergeJoinJoinDownstreamTsRanges(SOperatorInfo* pOperator, int64_t timestamp, SSDataBlock* pRes,
|
||||
int32_t* nRows) {
|
||||
int32_t code = TSDB_CODE_SUCCESS;
|
||||
SMJoinOperatorInfo* pJoinInfo = pOperator->info;
|
||||
SArray* leftRowLocations = NULL;
|
||||
SArray* rightRowLocations = NULL;
|
||||
SArray* leftCreatedBlocks = NULL;
|
||||
SArray* rightCreatedBlocks = NULL;
|
||||
int32_t leftRowIdx = 0;
|
||||
int32_t rightRowIdx = 0;
|
||||
SSHashObj* rightTableHash = NULL;
|
||||
bool rightUseBuildTable = false;
|
||||
|
||||
if (pJoinInfo->rowCtx.rowRemains) {
|
||||
leftRowLocations = pJoinInfo->rowCtx.leftRowLocations;
|
||||
leftCreatedBlocks = pJoinInfo->rowCtx.leftCreatedBlocks;
|
||||
rightUseBuildTable = pJoinInfo->rowCtx.rightUseBuildTable;
|
||||
rightRowLocations = pJoinInfo->rowCtx.rightRowLocations;
|
||||
rightCreatedBlocks = pJoinInfo->rowCtx.rightCreatedBlocks;
|
||||
leftRowIdx = pJoinInfo->rowCtx.leftRowIdx;
|
||||
rightRowIdx = pJoinInfo->rowCtx.rightRowIdx;
|
||||
} else {
|
||||
leftRowLocations = taosArrayInit(8, sizeof(SRowLocation));
|
||||
leftCreatedBlocks = taosArrayInit(8, POINTER_BYTES);
|
||||
|
||||
rightRowLocations = taosArrayInit(8, sizeof(SRowLocation));
|
||||
rightCreatedBlocks = taosArrayInit(8, POINTER_BYTES);
|
||||
|
||||
mergeJoinGetDownStreamRowsEqualTimeStamp(pOperator, 0, pJoinInfo->leftCol.slotId, pJoinInfo->pLeft,
|
||||
pJoinInfo->leftPos, timestamp, leftRowLocations, leftCreatedBlocks);
|
||||
mergeJoinGetDownStreamRowsEqualTimeStamp(pOperator, 1, pJoinInfo->rightCol.slotId, pJoinInfo->pRight,
|
||||
pJoinInfo->rightPos, timestamp, rightRowLocations, rightCreatedBlocks);
|
||||
if (pJoinInfo->pColEqualOnConditions != NULL && taosArrayGetSize(rightRowLocations) > 16) {
|
||||
mergeJoinFillBuildTable(pJoinInfo, rightRowLocations);
|
||||
rightUseBuildTable = true;
|
||||
taosArrayDestroy(rightRowLocations);
|
||||
rightRowLocations = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
size_t leftNumJoin = taosArrayGetSize(leftRowLocations);
|
||||
code = blockDataEnsureCapacity(pRes, pOperator->resultInfo.threshold);
|
||||
if (code != TSDB_CODE_SUCCESS) {
|
||||
qError("%s can not ensure block capacity for join. left: %zu", GET_TASKID(pOperator->pTaskInfo),
|
||||
leftNumJoin);
|
||||
}
|
||||
|
||||
bool reachThreshold = false;
|
||||
|
||||
if (code == TSDB_CODE_SUCCESS) {
|
||||
mergeJoinLeftRowsRightRows(pOperator, pRes, nRows, leftRowLocations, leftRowIdx,
|
||||
rightRowIdx, rightUseBuildTable, rightRowLocations, &reachThreshold);
|
||||
}
|
||||
|
||||
if (!reachThreshold) {
|
||||
mergeJoinDestroyTSRangeCtx(pJoinInfo, leftRowLocations, leftCreatedBlocks, rightCreatedBlocks,
|
||||
rightUseBuildTable, rightRowLocations);
|
||||
|
||||
} else {
|
||||
pJoinInfo->rowCtx.rowRemains = true;
|
||||
pJoinInfo->rowCtx.ts = timestamp;
|
||||
pJoinInfo->rowCtx.leftRowLocations = leftRowLocations;
|
||||
pJoinInfo->rowCtx.leftCreatedBlocks = leftCreatedBlocks;
|
||||
pJoinInfo->rowCtx.rightCreatedBlocks = rightCreatedBlocks;
|
||||
pJoinInfo->rowCtx.rightUseBuildTable = rightUseBuildTable;
|
||||
pJoinInfo->rowCtx.rightRowLocations = rightRowLocations;
|
||||
}
|
||||
return TSDB_CODE_SUCCESS;
|
||||
}
|
||||
|
||||
static void setMergeJoinDone(SOperatorInfo* pOperator) {
|
||||
setOperatorCompleted(pOperator);
|
||||
if (pOperator->pDownstreamGetParams) {
|
||||
freeOperatorParam(pOperator->pDownstreamGetParams[0], OP_GET_PARAM);
|
||||
freeOperatorParam(pOperator->pDownstreamGetParams[1], OP_GET_PARAM);
|
||||
pOperator->pDownstreamGetParams[0] = NULL;
|
||||
pOperator->pDownstreamGetParams[1] = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static bool mergeJoinGetNextTimestamp(SOperatorInfo* pOperator, int64_t* pLeftTs, int64_t* pRightTs) {
|
||||
SMJoinOperatorInfo* pJoinInfo = pOperator->info;
|
||||
bool leftEmpty = false;
|
||||
|
||||
if (pJoinInfo->pLeft == NULL || pJoinInfo->leftPos >= pJoinInfo->pLeft->info.rows) {
|
||||
if (!pJoinInfo->downstreamFetchDone[0]) {
|
||||
pJoinInfo->pLeft = getNextBlockFromDownstreamRemain(pOperator, 0);
|
||||
pJoinInfo->downstreamInitDone[0] = true;
|
||||
|
||||
pJoinInfo->leftPos = 0;
|
||||
qError("merge join left got block, rows:%" PRId64, pJoinInfo->pLeft ? pJoinInfo->pLeft->info.rows : 0);
|
||||
} else {
|
||||
pJoinInfo->pLeft = NULL;
|
||||
}
|
||||
|
||||
if (pJoinInfo->pLeft == NULL) {
|
||||
if (pOperator->pOperatorGetParam && ((SSortMergeJoinOperatorParam*)pOperator->pOperatorGetParam->value)->initDownstream && !pJoinInfo->downstreamInitDone[1]) {
|
||||
leftEmpty = true;
|
||||
} else {
|
||||
setMergeJoinDone(pOperator);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (pJoinInfo->pRight == NULL || pJoinInfo->rightPos >= pJoinInfo->pRight->info.rows) {
|
||||
if (!pJoinInfo->downstreamFetchDone[1]) {
|
||||
pJoinInfo->pRight = getNextBlockFromDownstreamRemain(pOperator, 1);
|
||||
pJoinInfo->downstreamInitDone[1] = true;
|
||||
|
||||
pJoinInfo->rightPos = 0;
|
||||
qError("merge join right got block, rows:%" PRId64, pJoinInfo->pRight ? pJoinInfo->pRight->info.rows : 0);
|
||||
} else {
|
||||
pJoinInfo->pRight = NULL;
|
||||
}
|
||||
|
||||
if (pJoinInfo->pRight == NULL) {
|
||||
setMergeJoinDone(pOperator);
|
||||
return false;
|
||||
} else {
|
||||
if (leftEmpty) {
|
||||
setMergeJoinDone(pOperator);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (NULL == pJoinInfo->pLeft || NULL == pJoinInfo->pRight) {
|
||||
setMergeJoinDone(pOperator);
|
||||
return false;
|
||||
}
|
||||
|
||||
// only the timestamp match support for ordinary table
|
||||
SColumnInfoData* pLeftCol = taosArrayGet(pJoinInfo->pLeft->pDataBlock, pJoinInfo->leftCol.slotId);
|
||||
char* pLeftVal = colDataGetData(pLeftCol, pJoinInfo->leftPos);
|
||||
*pLeftTs = *(int64_t*)pLeftVal;
|
||||
|
||||
SColumnInfoData* pRightCol = taosArrayGet(pJoinInfo->pRight->pDataBlock, pJoinInfo->rightCol.slotId);
|
||||
char* pRightVal = colDataGetData(pRightCol, pJoinInfo->rightPos);
|
||||
*pRightTs = *(int64_t*)pRightVal;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static void doMergeJoinImpl(struct SOperatorInfo* pOperator, SSDataBlock* pRes) {
|
||||
SMJoinOperatorInfo* pJoinInfo = pOperator->info;
|
||||
|
||||
int32_t nrows = pRes->info.rows;
|
||||
|
||||
bool asc = (pJoinInfo->inputOrder == TSDB_ORDER_ASC) ? true : false;
|
||||
|
||||
while (1) {
|
||||
int64_t leftTs = 0;
|
||||
int64_t rightTs = 0;
|
||||
if (pJoinInfo->rowCtx.rowRemains) {
|
||||
leftTs = pJoinInfo->rowCtx.ts;
|
||||
rightTs = pJoinInfo->rowCtx.ts;
|
||||
} else {
|
||||
bool hasNextTs = mergeJoinGetNextTimestamp(pOperator, &leftTs, &rightTs);
|
||||
if (!hasNextTs) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (leftTs == rightTs) {
|
||||
mergeJoinJoinDownstreamTsRanges(pOperator, leftTs, pRes, &nrows);
|
||||
} else if ((asc && leftTs < rightTs) || (!asc && leftTs > rightTs)) {
|
||||
pJoinInfo->leftPos += 1;
|
||||
|
||||
if (pJoinInfo->leftPos >= pJoinInfo->pLeft->info.rows && pRes->info.rows < pOperator->resultInfo.threshold) {
|
||||
continue;
|
||||
}
|
||||
} else if ((asc && leftTs > rightTs) || (!asc && leftTs < rightTs)) {
|
||||
pJoinInfo->rightPos += 1;
|
||||
if (pJoinInfo->rightPos >= pJoinInfo->pRight->info.rows && pRes->info.rows < pOperator->resultInfo.threshold) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
// the pDataBlock are always the same one, no need to call this again
|
||||
pRes->info.rows = nrows;
|
||||
pRes->info.dataLoad = 1;
|
||||
pRes->info.scanFlag = MAIN_SCAN;
|
||||
if (pRes->info.rows >= pOperator->resultInfo.threshold) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void resetMergeJoinOperator(struct SOperatorInfo* pOperator) {
|
||||
SMJoinOperatorInfo* pJoinInfo = pOperator->info;
|
||||
if (pJoinInfo->rowCtx.rowRemains) {
|
||||
mergeJoinDestroyTSRangeCtx(pJoinInfo, pJoinInfo->rowCtx.leftRowLocations, pJoinInfo->rowCtx.leftCreatedBlocks, pJoinInfo->rowCtx.rightCreatedBlocks,
|
||||
pJoinInfo->rowCtx.rightUseBuildTable, pJoinInfo->rowCtx.rightRowLocations);
|
||||
}
|
||||
pJoinInfo->pLeft = NULL;
|
||||
pJoinInfo->leftPos = 0;
|
||||
pJoinInfo->pRight = NULL;
|
||||
pJoinInfo->rightPos = 0;
|
||||
pJoinInfo->downstreamFetchDone[0] = false;
|
||||
pJoinInfo->downstreamFetchDone[1] = false;
|
||||
pJoinInfo->downstreamInitDone[0] = false;
|
||||
pJoinInfo->downstreamInitDone[1] = false;
|
||||
pJoinInfo->resRows = 0;
|
||||
pOperator->status = OP_OPENED;
|
||||
}
|
||||
|
||||
SSDataBlock* doMergeJoin(struct SOperatorInfo* pOperator) {
|
||||
SMJoinOperatorInfo* pJoinInfo = pOperator->info;
|
||||
if (pOperator->status == OP_EXEC_DONE) {
|
||||
if (NULL == pOperator->pDownstreamGetParams || NULL == pOperator->pDownstreamGetParams[0] || NULL == pOperator->pDownstreamGetParams[1]) {
|
||||
qError("total merge join res rows:%" PRId64, pJoinInfo->resRows);
|
||||
return NULL;
|
||||
} else {
|
||||
resetMergeJoinOperator(pOperator);
|
||||
qError("start new merge join");
|
||||
}
|
||||
}
|
||||
|
||||
int64_t st = 0;
|
||||
if (pOperator->cost.openCost == 0) {
|
||||
st = taosGetTimestampUs();
|
||||
}
|
||||
|
||||
SSDataBlock* pRes = pJoinInfo->pRes;
|
||||
blockDataCleanup(pRes);
|
||||
|
||||
while (true) {
|
||||
int32_t numOfRowsBefore = pRes->info.rows;
|
||||
doMergeJoinImpl(pOperator, pRes);
|
||||
int32_t numOfNewRows = pRes->info.rows - numOfRowsBefore;
|
||||
if (numOfNewRows == 0) {
|
||||
break;
|
||||
}
|
||||
if (pOperator->exprSupp.pFilterInfo != NULL) {
|
||||
doFilter(pRes, pOperator->exprSupp.pFilterInfo, NULL);
|
||||
}
|
||||
if (pRes->info.rows >= pOperator->resultInfo.threshold) {
|
||||
break;
|
||||
}
|
||||
if (pOperator->status == OP_EXEC_DONE) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (pOperator->cost.openCost == 0) {
|
||||
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
|
||||
}
|
||||
|
||||
if (pRes->info.rows > 0) {
|
||||
pJoinInfo->resRows += pRes->info.rows;
|
||||
qError("merge join returns res rows:%" PRId64, pRes->info.rows);
|
||||
return pRes;
|
||||
} else {
|
||||
qError("total merge join res rows:%" PRId64, pJoinInfo->resRows);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
|
@ -412,16 +412,14 @@ void nodesRewriteExprsPostOrder(SNodeList* pList, FNodeRewriter rewriter, void*
|
|||
(void)rewriteExprs(pList, TRAVERSAL_POSTORDER, rewriter, pContext);
|
||||
}
|
||||
|
||||
void nodesWalkSelectStmtImpl(SSelectStmt* pSelect, ESqlClause clause, FNodeWalker walker, void* pContext, bool ignoreFrom) {
|
||||
void nodesWalkSelectStmtImpl(SSelectStmt* pSelect, ESqlClause clause, FNodeWalker walker, void* pContext) {
|
||||
if (NULL == pSelect) {
|
||||
return;
|
||||
}
|
||||
|
||||
switch (clause) {
|
||||
case SQL_CLAUSE_FROM:
|
||||
if (!ignoreFrom) {
|
||||
nodesWalkExpr(pSelect->pFromTable, walker, pContext);
|
||||
}
|
||||
nodesWalkExpr(pSelect->pFromTable, walker, pContext);
|
||||
nodesWalkExpr(pSelect->pWhere, walker, pContext);
|
||||
case SQL_CLAUSE_WHERE:
|
||||
nodesWalkExprs(pSelect->pPartitionByList, walker, pContext);
|
||||
|
|
@ -451,7 +449,7 @@ void nodesWalkSelectStmtImpl(SSelectStmt* pSelect, ESqlClause clause, FNodeWalke
|
|||
}
|
||||
|
||||
void nodesWalkSelectStmt(SSelectStmt* pSelect, ESqlClause clause, FNodeWalker walker, void* pContext) {
|
||||
nodesWalkSelectStmtImpl(pSelect, clause, walker, pContext, false);
|
||||
nodesWalkSelectStmtImpl(pSelect, clause, walker, pContext);
|
||||
}
|
||||
|
||||
void nodesRewriteSelectStmt(SSelectStmt* pSelect, ESqlClause clause, FNodeRewriter rewriter, void* pContext) {
|
||||
|
|
|
|||
|
|
@ -2000,6 +2000,7 @@ bool nodesIsBitwiseOp(const SOperatorNode* pOp) {
|
|||
typedef struct SCollectColumnsCxt {
|
||||
int32_t errCode;
|
||||
const char* pTableAlias;
|
||||
SSHashObj* pMultiTableAlias;
|
||||
ECollectColType collectType;
|
||||
SNodeList* pCols;
|
||||
SHashObj* pColHash;
|
||||
|
|
@ -2041,6 +2042,19 @@ static EDealRes collectColumns(SNode* pNode, void* pContext) {
|
|||
return DEAL_RES_CONTINUE;
|
||||
}
|
||||
|
||||
static EDealRes collectColumnsExt(SNode* pNode, void* pContext) {
|
||||
SCollectColumnsCxt* pCxt = (SCollectColumnsCxt*)pContext;
|
||||
if (QUERY_NODE_COLUMN == nodeType(pNode)) {
|
||||
SColumnNode* pCol = (SColumnNode*)pNode;
|
||||
if (isCollectType(pCxt->collectType, pCol->colType) && 0 != strcmp(pCol->colName, "*") &&
|
||||
(NULL == pCxt->pMultiTableAlias || NULL != (pCxt->pTableAlias = tSimpleHashGet(pCxt->pMultiTableAlias, pCol->tableAlias, strlen(pCol->tableAlias))))) {
|
||||
return doCollect(pCxt, pCol, pNode);
|
||||
}
|
||||
}
|
||||
return DEAL_RES_CONTINUE;
|
||||
}
|
||||
|
||||
|
||||
int32_t nodesCollectColumns(SSelectStmt* pSelect, ESqlClause clause, const char* pTableAlias, ECollectColType type,
|
||||
SNodeList** pCols) {
|
||||
if (NULL == pSelect || NULL == pCols) {
|
||||
|
|
@ -2072,15 +2086,16 @@ int32_t nodesCollectColumns(SSelectStmt* pSelect, ESqlClause clause, const char*
|
|||
return TSDB_CODE_SUCCESS;
|
||||
}
|
||||
|
||||
int32_t nodesCollectColumnsExt(SSelectStmt* pSelect, ESqlClause clause, const char* pTableAlias, ECollectColType type,
|
||||
SNodeList** pCols, bool ignoreFrom) {
|
||||
int32_t nodesCollectColumnsExt(SSelectStmt* pSelect, ESqlClause clause, SSHashObj* pMultiTableAlias, ECollectColType type,
|
||||
SNodeList** pCols) {
|
||||
if (NULL == pSelect || NULL == pCols) {
|
||||
return TSDB_CODE_FAILED;
|
||||
}
|
||||
|
||||
SCollectColumnsCxt cxt = {
|
||||
.errCode = TSDB_CODE_SUCCESS,
|
||||
.pTableAlias = pTableAlias,
|
||||
.pTableAlias = NULL,
|
||||
.pMultiTableAlias = pMultiTableAlias,
|
||||
.collectType = type,
|
||||
.pCols = (NULL == *pCols ? nodesMakeList() : *pCols),
|
||||
.pColHash = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK)};
|
||||
|
|
@ -2088,7 +2103,7 @@ int32_t nodesCollectColumnsExt(SSelectStmt* pSelect, ESqlClause clause, const ch
|
|||
return TSDB_CODE_OUT_OF_MEMORY;
|
||||
}
|
||||
*pCols = NULL;
|
||||
nodesWalkSelectStmtImpl(pSelect, clause, collectColumns, &cxt, ignoreFrom);
|
||||
nodesWalkSelectStmtImpl(pSelect, clause, collectColumnsExt, &cxt);
|
||||
taosHashCleanup(cxt.pColHash);
|
||||
if (TSDB_CODE_SUCCESS != cxt.errCode) {
|
||||
nodesDestroyList(cxt.pCols);
|
||||
|
|
|
|||
|
|
@ -503,19 +503,18 @@ static int32_t createSubqueryLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSe
|
|||
return createQueryLogicNode(pCxt, pTable->pSubquery, pLogicNode);
|
||||
}
|
||||
|
||||
int32_t collectJoinResColumns(SSelectStmt* pSelect, SJoinLogicNode* pJoin, SNodeList** pCols) {
|
||||
SSHashObj* pTables = NULL;
|
||||
collectTableAliasFromNodes(nodesListGetNode(pJoin->node.pChildren, 0), &pTables);
|
||||
collectTableAliasFromNodes(nodesListGetNode(pJoin->node.pChildren, 1), &pTables);
|
||||
|
||||
int32_t code = nodesCollectColumnsExt(pSelect, SQL_CLAUSE_WHERE, pTables, COLLECT_COL_TYPE_ALL, pCols);
|
||||
|
||||
int32_t collectJoinResColumns(SSelectStmt* pSelect, SJoinTableNode* pJoinTable, SNodeList** pCols) {
|
||||
int32_t code = TSDB_CODE_SUCCESS;
|
||||
|
||||
if (TSDB_CODE_SUCCESS == code) {
|
||||
code = nodesCollectColumns(pSelect, SQL_CLAUSE_WHERE, ((STableNode*)pJoinTable->pRight)->tableAlias, COLLECT_COL_TYPE_ALL, pCols);
|
||||
}
|
||||
tSimpleHashCleanup(pTables);
|
||||
|
||||
return code;
|
||||
}
|
||||
|
||||
|
||||
static int32_t createJoinLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SJoinTableNode* pJoinTable,
|
||||
SLogicNode** pLogicNode) {
|
||||
int32_t code = TSDB_CODE_SUCCESS;
|
||||
|
|
@ -619,7 +618,7 @@ static int32_t createJoinLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect
|
|||
// set the output
|
||||
if (TSDB_CODE_SUCCESS == code) {
|
||||
SNodeList* pColList = NULL;
|
||||
code = collectJoinResColumns(pSelect, pJoinTable, &pColList);
|
||||
code = collectJoinResColumns(pSelect, pJoin, &pColList);
|
||||
if (TSDB_CODE_SUCCESS == code && NULL != pColList) {
|
||||
code = createColumnByRewriteExprs(pColList, &pJoin->node.pTargets);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -768,6 +768,9 @@ static int32_t createMergeJoinPhysiNode(SPhysiPlanContext* pCxt, SNodeList* pChi
|
|||
}
|
||||
|
||||
pJoin->joinType = pJoinLogicNode->joinType;
|
||||
pJoin->subType = pJoinLogicNode->subType;
|
||||
pJoin->pWindowOffset = nodesCloneNode(pJoinLogicNode->pWindowOffset);
|
||||
pJoin->pJLimit = nodesCloneNode(pJoinLogicNode->pJLimit);
|
||||
pJoin->node.inputTsOrder = pJoinLogicNode->node.inputTsOrder;
|
||||
|
||||
SDataBlockDescNode* pLeftDesc = NULL;
|
||||
|
|
@ -795,9 +798,33 @@ static int32_t createMergeJoinPhysiNode(SPhysiPlanContext* pCxt, SNodeList* pChi
|
|||
if (TSDB_CODE_SUCCESS == code && ((NULL != pJoinLogicNode->pColEqCond) || (NULL != pJoinLogicNode->pTagEqCond))) {
|
||||
code = mergeEqCond(&pJoinLogicNode->pColEqCond, &pJoinLogicNode->pTagEqCond);
|
||||
}
|
||||
//TODO set from input blocks for group algo
|
||||
/*
|
||||
if (TSDB_CODE_SUCCESS == code && NULL != pJoinLogicNode->pColEqCond) {
|
||||
code = setNodeSlotId(pCxt, pLeftDesc->dataBlockId, pRightDesc->dataBlockId, pJoinLogicNode->pColEqCond, &pJoin->pColEqCond);
|
||||
}
|
||||
*/
|
||||
if (TSDB_CODE_SUCCESS == code && NULL != pJoinLogicNode->pColEqCond) {
|
||||
code = setNodeSlotId(pCxt, ((SPhysiNode*)pJoin)->pOutputDataBlockDesc->dataBlockId, -1,
|
||||
pJoinLogicNode->pColEqCond, &pJoin->pColEqCond);
|
||||
}
|
||||
|
||||
|
||||
if (TSDB_CODE_SUCCESS == code && ((NULL != pJoinLogicNode->pColOnCond) || (NULL != pJoinLogicNode->pTagOnCond))) {
|
||||
code = mergeEqCond(&pJoinLogicNode->pColOnCond, &pJoinLogicNode->pTagOnCond);
|
||||
}
|
||||
//TODO set from input blocks for group algo
|
||||
/*
|
||||
if (TSDB_CODE_SUCCESS == code && NULL != pJoinLogicNode->pColOnCond) {
|
||||
code = setNodeSlotId(pCxt, pLeftDesc->dataBlockId, pRightDesc->dataBlockId, pJoinLogicNode->pColOnCond, &pJoin->pColOnCond);
|
||||
}
|
||||
*/
|
||||
if (TSDB_CODE_SUCCESS == code && NULL != pJoinLogicNode->pColOnCond) {
|
||||
code = setNodeSlotId(pCxt, ((SPhysiNode*)pJoin)->pOutputDataBlockDesc->dataBlockId, -1,
|
||||
pJoinLogicNode->pColOnCond, &pJoin->pColOnCond);
|
||||
}
|
||||
|
||||
|
||||
if (TSDB_CODE_SUCCESS == code) {
|
||||
code = setConditionsSlotId(pCxt, (const SLogicNode*)pJoinLogicNode, (SPhysiNode*)pJoin);
|
||||
}
|
||||
|
|
@ -954,6 +981,9 @@ static int32_t createHashJoinPhysiNode(SPhysiPlanContext* pCxt, SNodeList* pChil
|
|||
int32_t code = TSDB_CODE_SUCCESS;
|
||||
|
||||
pJoin->joinType = pJoinLogicNode->joinType;
|
||||
pJoin->subType = pJoinLogicNode->subType;
|
||||
pJoin->pWindowOffset = nodesCloneNode(pJoinLogicNode->pWindowOffset);
|
||||
pJoin->pJLimit = nodesCloneNode(pJoinLogicNode->pJLimit);
|
||||
pJoin->node.inputTsOrder = pJoinLogicNode->node.inputTsOrder;
|
||||
|
||||
code = setNodeSlotId(pCxt, pLeftDesc->dataBlockId, pRightDesc->dataBlockId, pJoinLogicNode->pPrimKeyEqCond, &pJoin->pPrimKeyCond);
|
||||
|
|
|
|||
Loading…
Reference in New Issue