homework-jianmu/source/libs/planner/src/planLogicCreater.c

1233 lines
40 KiB
C

/*
* 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 "planInt.h"
#include "functionMgt.h"
typedef struct SLogicPlanContext {
SPlanContext* pPlanCxt;
} SLogicPlanContext;
typedef int32_t (*FCreateLogicNode)(SLogicPlanContext*, void*, SLogicNode**);
typedef int32_t (*FCreateSelectLogicNode)(SLogicPlanContext*, SSelectStmt*, SLogicNode**);
typedef int32_t (*FCreateSetOpLogicNode)(SLogicPlanContext*, SSetOperator*, SLogicNode**);
typedef int32_t (*FCreateDeleteLogicNode)(SLogicPlanContext*, SDeleteStmt*, SLogicNode**);
static int32_t doCreateLogicNodeByTable(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SNode* pTable,
SLogicNode** pLogicNode);
static int32_t createQueryLogicNode(SLogicPlanContext* pCxt, SNode* pStmt, SLogicNode** pLogicNode);
typedef struct SRewriteExprCxt {
int32_t errCode;
SNodeList* pExprs;
} SRewriteExprCxt;
static EDealRes doRewriteExpr(SNode** pNode, void* pContext) {
switch (nodeType(*pNode)) {
case QUERY_NODE_OPERATOR:
case QUERY_NODE_LOGIC_CONDITION:
case QUERY_NODE_FUNCTION: {
SRewriteExprCxt* pCxt = (SRewriteExprCxt*)pContext;
SNode* pExpr;
int32_t index = 0;
FOREACH(pExpr, pCxt->pExprs) {
if (QUERY_NODE_GROUPING_SET == nodeType(pExpr)) {
pExpr = nodesListGetNode(((SGroupingSetNode*)pExpr)->pParameterList, 0);
}
if (nodesEqualNode(pExpr, *pNode)) {
SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
if (NULL == pCol) {
return DEAL_RES_ERROR;
}
SExprNode* pToBeRewrittenExpr = (SExprNode*)(*pNode);
pCol->node.resType = pToBeRewrittenExpr->resType;
strcpy(pCol->node.aliasName, pToBeRewrittenExpr->aliasName);
strcpy(pCol->colName, ((SExprNode*)pExpr)->aliasName);
if (QUERY_NODE_FUNCTION == nodeType(pExpr) && FUNCTION_TYPE_WSTARTTS == ((SFunctionNode*)pExpr)->funcType) {
pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
}
nodesDestroyNode(*pNode);
*pNode = (SNode*)pCol;
return DEAL_RES_IGNORE_CHILD;
}
++index;
}
break;
}
default:
break;
}
return DEAL_RES_CONTINUE;
}
static EDealRes doNameExpr(SNode* pNode, void* pContext) {
switch (nodeType(pNode)) {
case QUERY_NODE_OPERATOR:
case QUERY_NODE_LOGIC_CONDITION:
case QUERY_NODE_FUNCTION: {
if ('\0' == ((SExprNode*)pNode)->aliasName[0]) {
sprintf(((SExprNode*)pNode)->aliasName, "#expr_%p", pNode);
}
return DEAL_RES_IGNORE_CHILD;
}
default:
break;
}
return DEAL_RES_CONTINUE;
}
static int32_t rewriteExprsForSelect(SNodeList* pExprs, SSelectStmt* pSelect, ESqlClause clause) {
nodesWalkExprs(pExprs, doNameExpr, NULL);
SRewriteExprCxt cxt = {.errCode = TSDB_CODE_SUCCESS, .pExprs = pExprs};
nodesRewriteSelectStmt(pSelect, clause, doRewriteExpr, &cxt);
return cxt.errCode;
}
static int32_t rewriteExpr(SNodeList* pExprs, SNode** pTarget) {
nodesWalkExprs(pExprs, doNameExpr, NULL);
SRewriteExprCxt cxt = {.errCode = TSDB_CODE_SUCCESS, .pExprs = pExprs};
nodesRewriteExpr(pTarget, doRewriteExpr, &cxt);
return cxt.errCode;
}
static int32_t rewriteExprs(SNodeList* pExprs, SNodeList* pTarget) {
nodesWalkExprs(pExprs, doNameExpr, NULL);
SRewriteExprCxt cxt = {.errCode = TSDB_CODE_SUCCESS, .pExprs = pExprs};
nodesRewriteExprs(pTarget, doRewriteExpr, &cxt);
return cxt.errCode;
}
static int32_t pushLogicNode(SLogicPlanContext* pCxt, SLogicNode** pOldRoot, SLogicNode* pNewRoot) {
if (NULL == pNewRoot->pChildren) {
pNewRoot->pChildren = nodesMakeList();
if (NULL == pNewRoot->pChildren) {
return TSDB_CODE_OUT_OF_MEMORY;
}
}
if (TSDB_CODE_SUCCESS != nodesListAppend(pNewRoot->pChildren, (SNode*)*pOldRoot)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(*pOldRoot)->pParent = pNewRoot;
*pOldRoot = pNewRoot;
return TSDB_CODE_SUCCESS;
}
static int32_t createRootLogicNode(SLogicPlanContext* pCxt, void* pStmt, uint8_t precision, FCreateLogicNode func,
SLogicNode** pRoot) {
SLogicNode* pNode = NULL;
int32_t code = func(pCxt, pStmt, &pNode);
if (TSDB_CODE_SUCCESS == code && NULL != pNode) {
pNode->precision = precision;
code = pushLogicNode(pCxt, pRoot, pNode);
}
if (TSDB_CODE_SUCCESS != code) {
nodesDestroyNode((SNode*)pNode);
}
return code;
}
static int32_t createSelectRootLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, FCreateSelectLogicNode func,
SLogicNode** pRoot) {
return createRootLogicNode(pCxt, pSelect, pSelect->precision, (FCreateLogicNode)func, pRoot);
}
static EScanType getScanType(SLogicPlanContext* pCxt, SNodeList* pScanPseudoCols, SNodeList* pScanCols,
int8_t tableType) {
if (pCxt->pPlanCxt->topicQuery || pCxt->pPlanCxt->streamQuery) {
return SCAN_TYPE_STREAM;
}
if (NULL == pScanCols) {
// select count(*) from t
return NULL == pScanPseudoCols
? SCAN_TYPE_TABLE
: ((FUNCTION_TYPE_BLOCK_DIST_INFO == ((SFunctionNode*)nodesListGetNode(pScanPseudoCols, 0))->funcType)
? SCAN_TYPE_BLOCK_INFO
: SCAN_TYPE_TAG);
}
if (TSDB_SYSTEM_TABLE == tableType) {
return SCAN_TYPE_SYSTEM_TABLE;
}
SNode* pCol = NULL;
FOREACH(pCol, pScanCols) {
if (COLUMN_TYPE_COLUMN == ((SColumnNode*)pCol)->colType) {
return SCAN_TYPE_TABLE;
}
}
return SCAN_TYPE_TAG;
}
static SNode* createPrimaryKeyCol(uint64_t tableId) {
SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
if (NULL == pCol) {
return NULL;
}
pCol->node.resType.type = TSDB_DATA_TYPE_TIMESTAMP;
pCol->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_TIMESTAMP].bytes;
pCol->tableId = tableId;
pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
pCol->colType = COLUMN_TYPE_COLUMN;
strcpy(pCol->colName, "#primarykey");
return (SNode*)pCol;
}
static int32_t addPrimaryKeyCol(uint64_t tableId, SNodeList** pCols) {
if (NULL == *pCols) {
*pCols = nodesMakeList();
if (NULL == *pCols) {
return TSDB_CODE_OUT_OF_MEMORY;
}
}
bool found = false;
SNode* pCol = NULL;
FOREACH(pCol, *pCols) {
if (PRIMARYKEY_TIMESTAMP_COL_ID == ((SColumnNode*)pCol)->colId) {
found = true;
break;
}
}
if (!found) {
if (TSDB_CODE_SUCCESS != nodesListStrictAppend(*pCols, createPrimaryKeyCol(tableId))) {
return TSDB_CODE_OUT_OF_MEMORY;
}
}
return TSDB_CODE_SUCCESS;
}
static int32_t makeScanLogicNode(SLogicPlanContext* pCxt, SRealTableNode* pRealTable, bool hasRepeatScanFuncs,
SLogicNode** pLogicNode) {
SScanLogicNode* pScan = (SScanLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_SCAN);
if (NULL == pScan) {
return TSDB_CODE_OUT_OF_MEMORY;
}
TSWAP(pScan->pVgroupList, pRealTable->pVgroupList);
TSWAP(pScan->pSmaIndexes, pRealTable->pSmaIndexes);
pScan->tableId = pRealTable->pMeta->uid;
pScan->stableId = pRealTable->pMeta->suid;
pScan->tableType = pRealTable->pMeta->tableType;
pScan->scanSeq[0] = hasRepeatScanFuncs ? 2 : 1;
pScan->scanSeq[1] = 0;
pScan->scanRange = TSWINDOW_INITIALIZER;
pScan->tableName.type = TSDB_TABLE_NAME_T;
pScan->tableName.acctId = pCxt->pPlanCxt->acctId;
strcpy(pScan->tableName.dbname, pRealTable->table.dbName);
strcpy(pScan->tableName.tname, pRealTable->table.tableName);
pScan->showRewrite = pCxt->pPlanCxt->showRewrite;
pScan->ratio = pRealTable->ratio;
pScan->dataRequired = FUNC_DATA_REQUIRED_DATA_LOAD;
*pLogicNode = (SLogicNode*)pScan;
return TSDB_CODE_SUCCESS;
}
static int32_t createScanLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SRealTableNode* pRealTable,
SLogicNode** pLogicNode) {
SScanLogicNode* pScan = NULL;
int32_t code = makeScanLogicNode(pCxt, pRealTable, pSelect->hasRepeatScanFuncs, (SLogicNode**)&pScan);
// set columns to scan
if (TSDB_CODE_SUCCESS == code) {
code = nodesCollectColumns(pSelect, SQL_CLAUSE_FROM, pRealTable->table.tableAlias, COLLECT_COL_TYPE_COL,
&pScan->pScanCols);
}
if (TSDB_CODE_SUCCESS == code) {
code = nodesCollectColumns(pSelect, SQL_CLAUSE_FROM, pRealTable->table.tableAlias, COLLECT_COL_TYPE_TAG,
&pScan->pScanPseudoCols);
}
if (TSDB_CODE_SUCCESS == code) {
code = nodesCollectFuncs(pSelect, SQL_CLAUSE_FROM, fmIsScanPseudoColumnFunc, &pScan->pScanPseudoCols);
}
// rewrite the expression in subsequent clauses
if (TSDB_CODE_SUCCESS == code) {
code = rewriteExprsForSelect(pScan->pScanPseudoCols, pSelect, SQL_CLAUSE_FROM);
}
pScan->scanType = getScanType(pCxt, pScan->pScanPseudoCols, pScan->pScanCols, pScan->tableType);
if (TSDB_CODE_SUCCESS == code) {
code = addPrimaryKeyCol(pScan->tableId, &pScan->pScanCols);
}
// set output
if (TSDB_CODE_SUCCESS == code) {
code = createColumnByRewriteExprs(pScan->pScanCols, &pScan->node.pTargets);
}
if (TSDB_CODE_SUCCESS == code) {
code = createColumnByRewriteExprs(pScan->pScanPseudoCols, &pScan->node.pTargets);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pScan;
} else {
nodesDestroyNode((SNode*)pScan);
}
return code;
}
static int32_t createSubqueryLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, STempTableNode* pTable,
SLogicNode** pLogicNode) {
return createQueryLogicNode(pCxt, pTable->pSubquery, pLogicNode);
}
static int32_t createJoinLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SJoinTableNode* pJoinTable,
SLogicNode** pLogicNode) {
SJoinLogicNode* pJoin = (SJoinLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_JOIN);
if (NULL == pJoin) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pJoin->joinType = pJoinTable->joinType;
pJoin->isSingleTableJoin = pJoinTable->table.singleTable;
int32_t code = TSDB_CODE_SUCCESS;
// set left and right node
pJoin->node.pChildren = nodesMakeList();
if (NULL == pJoin->node.pChildren) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
SLogicNode* pLeft = NULL;
if (TSDB_CODE_SUCCESS == code) {
code = doCreateLogicNodeByTable(pCxt, pSelect, pJoinTable->pLeft, &pLeft);
if (TSDB_CODE_SUCCESS == code) {
code = nodesListStrictAppend(pJoin->node.pChildren, (SNode*)pLeft);
}
}
SLogicNode* pRight = NULL;
if (TSDB_CODE_SUCCESS == code) {
code = doCreateLogicNodeByTable(pCxt, pSelect, pJoinTable->pRight, &pRight);
if (TSDB_CODE_SUCCESS == code) {
code = nodesListStrictAppend(pJoin->node.pChildren, (SNode*)pRight);
}
}
// set on conditions
if (TSDB_CODE_SUCCESS == code && NULL != pJoinTable->pOnCond) {
pJoin->pOnConditions = nodesCloneNode(pJoinTable->pOnCond);
if (NULL == pJoin->pOnConditions) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
}
// set the output
if (TSDB_CODE_SUCCESS == code) {
pJoin->node.pTargets = nodesCloneList(pLeft->pTargets);
if (NULL == pJoin->node.pTargets) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
if (TSDB_CODE_SUCCESS == code) {
code = nodesListStrictAppendList(pJoin->node.pTargets, nodesCloneList(pRight->pTargets));
}
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pJoin;
} else {
nodesDestroyNode((SNode*)pJoin);
}
return code;
}
static int32_t doCreateLogicNodeByTable(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SNode* pTable,
SLogicNode** pLogicNode) {
switch (nodeType(pTable)) {
case QUERY_NODE_REAL_TABLE:
return createScanLogicNode(pCxt, pSelect, (SRealTableNode*)pTable, pLogicNode);
case QUERY_NODE_TEMP_TABLE:
return createSubqueryLogicNode(pCxt, pSelect, (STempTableNode*)pTable, pLogicNode);
case QUERY_NODE_JOIN_TABLE:
return createJoinLogicNode(pCxt, pSelect, (SJoinTableNode*)pTable, pLogicNode);
default:
break;
}
return TSDB_CODE_FAILED;
}
static int32_t createLogicNodeByTable(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SNode* pTable,
SLogicNode** pLogicNode) {
SLogicNode* pNode = NULL;
int32_t code = doCreateLogicNodeByTable(pCxt, pSelect, pTable, &pNode);
if (TSDB_CODE_SUCCESS == code) {
pNode->pConditions = nodesCloneNode(pSelect->pWhere);
if (NULL != pSelect->pWhere && NULL == pNode->pConditions) {
nodesDestroyNode((SNode*)pNode);
return TSDB_CODE_OUT_OF_MEMORY;
}
pNode->precision = pSelect->precision;
*pLogicNode = pNode;
}
return code;
}
static SColumnNode* createColumnByExpr(const char* pStmtName, SExprNode* pExpr) {
SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
if (NULL == pCol) {
return NULL;
}
pCol->node.resType = pExpr->resType;
strcpy(pCol->colName, pExpr->aliasName);
if (NULL != pStmtName) {
strcpy(pCol->tableAlias, pStmtName);
}
return pCol;
}
static int32_t createAggLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
if (!pSelect->hasAggFuncs && NULL == pSelect->pGroupByList) {
return TSDB_CODE_SUCCESS;
}
SAggLogicNode* pAgg = (SAggLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_AGG);
if (NULL == pAgg) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = TSDB_CODE_SUCCESS;
// set grouyp keys, agg funcs and having conditions
if (NULL != pSelect->pGroupByList) {
pAgg->pGroupKeys = nodesCloneList(pSelect->pGroupByList);
if (NULL == pAgg->pGroupKeys) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
}
// rewrite the expression in subsequent clauses
if (TSDB_CODE_SUCCESS == code) {
code = rewriteExprsForSelect(pAgg->pGroupKeys, pSelect, SQL_CLAUSE_GROUP_BY);
}
if (TSDB_CODE_SUCCESS == code && pSelect->hasAggFuncs) {
code = nodesCollectFuncs(pSelect, SQL_CLAUSE_GROUP_BY, fmIsAggFunc, &pAgg->pAggFuncs);
}
// rewrite the expression in subsequent clauses
if (TSDB_CODE_SUCCESS == code) {
code = rewriteExprsForSelect(pAgg->pAggFuncs, pSelect, SQL_CLAUSE_GROUP_BY);
}
if (TSDB_CODE_SUCCESS == code && NULL != pSelect->pHaving) {
pAgg->node.pConditions = nodesCloneNode(pSelect->pHaving);
if (NULL == pAgg->node.pConditions) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
}
// set the output
if (TSDB_CODE_SUCCESS == code && NULL != pAgg->pGroupKeys) {
code = createColumnByRewriteExprs(pAgg->pGroupKeys, &pAgg->node.pTargets);
}
if (TSDB_CODE_SUCCESS == code && NULL != pAgg->pAggFuncs) {
code = createColumnByRewriteExprs(pAgg->pAggFuncs, &pAgg->node.pTargets);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pAgg;
} else {
nodesDestroyNode((SNode*)pAgg);
}
return code;
}
static int32_t createIndefRowsFuncLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
// top/bottom are both an aggregate function and a indefinite rows function
if (!pSelect->hasIndefiniteRowsFunc || pSelect->hasAggFuncs || NULL != pSelect->pWindow) {
return TSDB_CODE_SUCCESS;
}
SIndefRowsFuncLogicNode* pIdfRowsFunc =
(SIndefRowsFuncLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_INDEF_ROWS_FUNC);
if (NULL == pIdfRowsFunc) {
return TSDB_CODE_OUT_OF_MEMORY;
}
// indefinite rows functions and _select_values functions
int32_t code = nodesCollectFuncs(pSelect, SQL_CLAUSE_SELECT, fmIsVectorFunc, &pIdfRowsFunc->pFuncs);
if (TSDB_CODE_SUCCESS == code) {
code = rewriteExprsForSelect(pIdfRowsFunc->pFuncs, pSelect, SQL_CLAUSE_SELECT);
}
// set the output
if (TSDB_CODE_SUCCESS == code) {
code = createColumnByRewriteExprs(pIdfRowsFunc->pFuncs, &pIdfRowsFunc->node.pTargets);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pIdfRowsFunc;
} else {
nodesDestroyNode((SNode*)pIdfRowsFunc);
}
return code;
}
static int32_t createInterpFuncLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
if (!pSelect->hasInterpFunc) {
return TSDB_CODE_SUCCESS;
}
SInterpFuncLogicNode* pInterpFunc = (SInterpFuncLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_INTERP_FUNC);
if (NULL == pInterpFunc) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = nodesCollectFuncs(pSelect, SQL_CLAUSE_SELECT, fmIsInterpFunc, &pInterpFunc->pFuncs);
if (TSDB_CODE_SUCCESS == code) {
code = rewriteExprsForSelect(pInterpFunc->pFuncs, pSelect, SQL_CLAUSE_SELECT);
}
if (TSDB_CODE_SUCCESS == code && NULL != pSelect->pFill) {
SFillNode* pFill = (SFillNode*)pSelect->pFill;
pInterpFunc->timeRange = pFill->timeRange;
pInterpFunc->fillMode = pFill->mode;
pInterpFunc->pTimeSeries = nodesCloneNode(pFill->pWStartTs);
pInterpFunc->pFillValues = nodesCloneNode(pFill->pValues);
if (NULL == pInterpFunc->pTimeSeries || (NULL != pFill->pValues && NULL == pInterpFunc->pFillValues)) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
}
if (TSDB_CODE_SUCCESS == code && NULL != pSelect->pEvery) {
pInterpFunc->interval = ((SValueNode*)pSelect->pEvery)->datum.i;
}
// set the output
if (TSDB_CODE_SUCCESS == code) {
code = createColumnByRewriteExprs(pInterpFunc->pFuncs, &pInterpFunc->node.pTargets);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pInterpFunc;
} else {
nodesDestroyNode((SNode*)pInterpFunc);
}
return code;
}
static int32_t createWindowLogicNodeFinalize(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SWindowLogicNode* pWindow,
SLogicNode** pLogicNode) {
int32_t code = nodesCollectFuncs(pSelect, SQL_CLAUSE_WINDOW, fmIsWindowClauseFunc, &pWindow->pFuncs);
if (pCxt->pPlanCxt->streamQuery) {
pWindow->triggerType = pCxt->pPlanCxt->triggerType;
pWindow->watermark = pCxt->pPlanCxt->watermark;
}
if (pCxt->pPlanCxt->rSmaQuery) {
/*pWindow->filesFactor = pCxt->pPlanCxt->filesFactor;*/
}
if (TSDB_CODE_SUCCESS == code) {
code = rewriteExprsForSelect(pWindow->pFuncs, pSelect, SQL_CLAUSE_WINDOW);
}
if (TSDB_CODE_SUCCESS == code) {
code = createColumnByRewriteExprs(pWindow->pFuncs, &pWindow->node.pTargets);
}
pSelect->hasAggFuncs = false;
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pWindow;
} else {
nodesDestroyNode((SNode*)pWindow);
}
return code;
}
static int32_t createWindowLogicNodeByState(SLogicPlanContext* pCxt, SStateWindowNode* pState, SSelectStmt* pSelect,
SLogicNode** pLogicNode) {
SWindowLogicNode* pWindow = (SWindowLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_WINDOW);
if (NULL == pWindow) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pWindow->winType = WINDOW_TYPE_STATE;
pWindow->pStateExpr = nodesCloneNode(pState->pExpr);
pWindow->pTspk = nodesCloneNode(pState->pCol);
if (NULL == pWindow->pTspk) {
nodesDestroyNode((SNode*)pWindow);
return TSDB_CODE_OUT_OF_MEMORY;
}
return createWindowLogicNodeFinalize(pCxt, pSelect, pWindow, pLogicNode);
}
static int32_t createWindowLogicNodeBySession(SLogicPlanContext* pCxt, SSessionWindowNode* pSession,
SSelectStmt* pSelect, SLogicNode** pLogicNode) {
SWindowLogicNode* pWindow = (SWindowLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_WINDOW);
if (NULL == pWindow) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pWindow->winType = WINDOW_TYPE_SESSION;
pWindow->sessionGap = ((SValueNode*)pSession->pGap)->datum.i;
pWindow->windowAlgo = pCxt->pPlanCxt->streamQuery ? SESSION_ALGO_STREAM_SINGLE : SESSION_ALGO_MERGE;
pWindow->pTspk = nodesCloneNode((SNode*)pSession->pCol);
if (NULL == pWindow->pTspk) {
nodesDestroyNode((SNode*)pWindow);
return TSDB_CODE_OUT_OF_MEMORY;
}
pWindow->pTsEnd = nodesCloneNode((SNode*)pSession->pCol);
return createWindowLogicNodeFinalize(pCxt, pSelect, pWindow, pLogicNode);
}
static int32_t createWindowLogicNodeByInterval(SLogicPlanContext* pCxt, SIntervalWindowNode* pInterval,
SSelectStmt* pSelect, SLogicNode** pLogicNode) {
SWindowLogicNode* pWindow = (SWindowLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_WINDOW);
if (NULL == pWindow) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pWindow->winType = WINDOW_TYPE_INTERVAL;
pWindow->interval = ((SValueNode*)pInterval->pInterval)->datum.i;
pWindow->intervalUnit = ((SValueNode*)pInterval->pInterval)->unit;
pWindow->offset = (NULL != pInterval->pOffset ? ((SValueNode*)pInterval->pOffset)->datum.i : 0);
pWindow->sliding = (NULL != pInterval->pSliding ? ((SValueNode*)pInterval->pSliding)->datum.i : pWindow->interval);
pWindow->slidingUnit =
(NULL != pInterval->pSliding ? ((SValueNode*)pInterval->pSliding)->unit : pWindow->intervalUnit);
pWindow->windowAlgo = pCxt->pPlanCxt->streamQuery ? INTERVAL_ALGO_STREAM_SINGLE : INTERVAL_ALGO_HASH;
pWindow->pTspk = nodesCloneNode(pInterval->pCol);
if (NULL == pWindow->pTspk) {
nodesDestroyNode((SNode*)pWindow);
return TSDB_CODE_OUT_OF_MEMORY;
}
return createWindowLogicNodeFinalize(pCxt, pSelect, pWindow, pLogicNode);
}
static int32_t createWindowLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
if (NULL == pSelect->pWindow) {
return TSDB_CODE_SUCCESS;
}
switch (nodeType(pSelect->pWindow)) {
case QUERY_NODE_STATE_WINDOW:
return createWindowLogicNodeByState(pCxt, (SStateWindowNode*)pSelect->pWindow, pSelect, pLogicNode);
case QUERY_NODE_SESSION_WINDOW:
return createWindowLogicNodeBySession(pCxt, (SSessionWindowNode*)pSelect->pWindow, pSelect, pLogicNode);
case QUERY_NODE_INTERVAL_WINDOW:
return createWindowLogicNodeByInterval(pCxt, (SIntervalWindowNode*)pSelect->pWindow, pSelect, pLogicNode);
default:
break;
}
return TSDB_CODE_FAILED;
}
static int32_t createFillLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
if (NULL == pSelect->pWindow || QUERY_NODE_INTERVAL_WINDOW != nodeType(pSelect->pWindow) ||
NULL == ((SIntervalWindowNode*)pSelect->pWindow)->pFill) {
return TSDB_CODE_SUCCESS;
}
SFillNode* pFillNode = (SFillNode*)(((SIntervalWindowNode*)pSelect->pWindow)->pFill);
SFillLogicNode* pFill = (SFillLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_FILL);
if (NULL == pFill) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = nodesCollectColumns(pSelect, SQL_CLAUSE_WINDOW, NULL, COLLECT_COL_TYPE_ALL, &pFill->node.pTargets);
pFill->mode = pFillNode->mode;
pFill->timeRange = pFillNode->timeRange;
pFill->pValues = nodesCloneNode(pFillNode->pValues);
pFill->pWStartTs = nodesCloneNode(pFillNode->pWStartTs);
if ((NULL != pFillNode->pValues && NULL == pFill->pValues) || NULL == pFill->pWStartTs) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pFill;
} else {
nodesDestroyNode((SNode*)pFill);
}
return code;
}
static int32_t createSortLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
if (NULL == pSelect->pOrderByList) {
return TSDB_CODE_SUCCESS;
}
SSortLogicNode* pSort = (SSortLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_SORT);
if (NULL == pSort) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = nodesCollectColumns(pSelect, SQL_CLAUSE_ORDER_BY, NULL, COLLECT_COL_TYPE_ALL, &pSort->node.pTargets);
if (TSDB_CODE_SUCCESS == code) {
pSort->pSortKeys = nodesCloneList(pSelect->pOrderByList);
if (NULL == pSort->pSortKeys) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pSort;
} else {
nodesDestroyNode((SNode*)pSort);
}
return code;
}
static int32_t createColumnByProjections(SLogicPlanContext* pCxt, const char* pStmtName, SNodeList* pExprs,
SNodeList** pCols) {
SNodeList* pList = nodesMakeList();
if (NULL == pList) {
return TSDB_CODE_OUT_OF_MEMORY;
}
SNode* pNode;
FOREACH(pNode, pExprs) {
if (TSDB_CODE_SUCCESS != nodesListAppend(pList, (SNode*)createColumnByExpr(pStmtName, (SExprNode*)pNode))) {
nodesDestroyList(pList);
return TSDB_CODE_OUT_OF_MEMORY;
}
}
*pCols = pList;
return TSDB_CODE_SUCCESS;
}
static int32_t createProjectLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
SProjectLogicNode* pProject = (SProjectLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_PROJECT);
if (NULL == pProject) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (NULL != pSelect->pLimit) {
pProject->limit = pSelect->pLimit->limit;
pProject->offset = pSelect->pLimit->offset;
} else {
pProject->limit = -1;
pProject->offset = -1;
}
if (NULL != pSelect->pSlimit) {
pProject->slimit = ((SLimitNode*)pSelect->pSlimit)->limit;
pProject->soffset = ((SLimitNode*)pSelect->pSlimit)->offset;
} else {
pProject->slimit = -1;
pProject->soffset = -1;
}
int32_t code = TSDB_CODE_SUCCESS;
pProject->pProjections = nodesCloneList(pSelect->pProjectionList);
if (NULL == pProject->pProjections) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
strcpy(pProject->stmtName, pSelect->stmtName);
if (TSDB_CODE_SUCCESS == code) {
code = createColumnByProjections(pCxt, pSelect->stmtName, pSelect->pProjectionList, &pProject->node.pTargets);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pProject;
} else {
nodesDestroyNode((SNode*)pProject);
}
return code;
}
static int32_t createPartitionLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
if (NULL == pSelect->pPartitionByList) {
return TSDB_CODE_SUCCESS;
}
SPartitionLogicNode* pPartition = (SPartitionLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_PARTITION);
if (NULL == pPartition) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code =
nodesCollectColumns(pSelect, SQL_CLAUSE_PARTITION_BY, NULL, COLLECT_COL_TYPE_ALL, &pPartition->node.pTargets);
if (TSDB_CODE_SUCCESS == code) {
pPartition->pPartitionKeys = nodesCloneList(pSelect->pPartitionByList);
if (NULL == pPartition->pPartitionKeys) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pPartition;
} else {
nodesDestroyNode((SNode*)pPartition);
}
return code;
}
static int32_t createDistinctLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
if (!pSelect->isDistinct) {
return TSDB_CODE_SUCCESS;
}
SAggLogicNode* pAgg = (SAggLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_AGG);
if (NULL == pAgg) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = TSDB_CODE_SUCCESS;
// set grouyp keys, agg funcs and having conditions
pAgg->pGroupKeys = nodesCloneList(pSelect->pProjectionList);
if (NULL == pAgg->pGroupKeys) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
// rewrite the expression in subsequent clauses
if (TSDB_CODE_SUCCESS == code) {
code = rewriteExprsForSelect(pAgg->pGroupKeys, pSelect, SQL_CLAUSE_DISTINCT);
}
// set the output
if (TSDB_CODE_SUCCESS == code) {
code = createColumnByRewriteExprs(pAgg->pGroupKeys, &pAgg->node.pTargets);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pAgg;
} else {
nodesDestroyNode((SNode*)pAgg);
}
return code;
}
static int32_t createSelectLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
SLogicNode* pRoot = NULL;
int32_t code = createLogicNodeByTable(pCxt, pSelect, pSelect->pFromTable, &pRoot);
if (TSDB_CODE_SUCCESS == code) {
code = createSelectRootLogicNode(pCxt, pSelect, createPartitionLogicNode, &pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
code = createSelectRootLogicNode(pCxt, pSelect, createWindowLogicNode, &pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
code = createSelectRootLogicNode(pCxt, pSelect, createFillLogicNode, &pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
code = createSelectRootLogicNode(pCxt, pSelect, createAggLogicNode, &pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
code = createSelectRootLogicNode(pCxt, pSelect, createIndefRowsFuncLogicNode, &pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
code = createSelectRootLogicNode(pCxt, pSelect, createInterpFuncLogicNode, &pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
code = createSelectRootLogicNode(pCxt, pSelect, createDistinctLogicNode, &pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
code = createSelectRootLogicNode(pCxt, pSelect, createSortLogicNode, &pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
code = createSelectRootLogicNode(pCxt, pSelect, createProjectLogicNode, &pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = pRoot;
} else {
nodesDestroyNode((SNode*)pRoot);
}
return code;
}
static int32_t createSetOpRootLogicNode(SLogicPlanContext* pCxt, SSetOperator* pSetOperator, FCreateSetOpLogicNode func,
SLogicNode** pRoot) {
return createRootLogicNode(pCxt, pSetOperator, pSetOperator->precision, (FCreateLogicNode)func, pRoot);
}
static int32_t createSetOpSortLogicNode(SLogicPlanContext* pCxt, SSetOperator* pSetOperator, SLogicNode** pLogicNode) {
if (NULL == pSetOperator->pOrderByList) {
return TSDB_CODE_SUCCESS;
}
SSortLogicNode* pSort = (SSortLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_SORT);
if (NULL == pSort) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = TSDB_CODE_SUCCESS;
pSort->node.pTargets = nodesCloneList(pSetOperator->pProjectionList);
if (NULL == pSort->node.pTargets) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
if (TSDB_CODE_SUCCESS == code) {
pSort->pSortKeys = nodesCloneList(pSetOperator->pOrderByList);
if (NULL == pSort->pSortKeys) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pSort;
} else {
nodesDestroyNode((SNode*)pSort);
}
return code;
}
static int32_t createSetOpProjectLogicNode(SLogicPlanContext* pCxt, SSetOperator* pSetOperator,
SLogicNode** pLogicNode) {
SProjectLogicNode* pProject = (SProjectLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_PROJECT);
if (NULL == pProject) {
return TSDB_CODE_OUT_OF_MEMORY;
}
if (NULL != pSetOperator->pLimit) {
pProject->limit = ((SLimitNode*)pSetOperator->pLimit)->limit;
pProject->offset = ((SLimitNode*)pSetOperator->pLimit)->offset;
} else {
pProject->limit = -1;
pProject->offset = -1;
}
int32_t code = TSDB_CODE_SUCCESS;
pProject->pProjections = nodesCloneList(pSetOperator->pProjectionList);
if (NULL == pProject->pProjections) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
if (TSDB_CODE_SUCCESS == code) {
code = createColumnByProjections(pCxt, pSetOperator->stmtName, pSetOperator->pProjectionList,
&pProject->node.pTargets);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pProject;
} else {
nodesDestroyNode((SNode*)pProject);
}
return code;
}
static int32_t createSetOpAggLogicNode(SLogicPlanContext* pCxt, SSetOperator* pSetOperator, SLogicNode** pLogicNode) {
SAggLogicNode* pAgg = (SAggLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_AGG);
if (NULL == pAgg) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = TSDB_CODE_SUCCESS;
pAgg->pGroupKeys = nodesCloneList(pSetOperator->pProjectionList);
if (NULL == pAgg->pGroupKeys) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
// rewrite the expression in subsequent clauses
if (TSDB_CODE_SUCCESS == code) {
code = rewriteExprs(pAgg->pGroupKeys, pSetOperator->pOrderByList);
}
// set the output
if (TSDB_CODE_SUCCESS == code) {
code = createColumnByRewriteExprs(pAgg->pGroupKeys, &pAgg->node.pTargets);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pAgg;
} else {
nodesDestroyNode((SNode*)pAgg);
}
return code;
}
static int32_t createSetOpLogicNode(SLogicPlanContext* pCxt, SSetOperator* pSetOperator, SLogicNode** pLogicNode) {
SLogicNode* pSetOp = NULL;
int32_t code = TSDB_CODE_SUCCESS;
switch (pSetOperator->opType) {
case SET_OP_TYPE_UNION_ALL:
code = createSetOpProjectLogicNode(pCxt, pSetOperator, &pSetOp);
break;
case SET_OP_TYPE_UNION:
code = createSetOpAggLogicNode(pCxt, pSetOperator, &pSetOp);
break;
default:
code = TSDB_CODE_FAILED;
break;
}
SLogicNode* pLeft = NULL;
if (TSDB_CODE_SUCCESS == code) {
code = createQueryLogicNode(pCxt, pSetOperator->pLeft, &pLeft);
}
if (TSDB_CODE_SUCCESS == code) {
code = nodesListMakeStrictAppend(&pSetOp->pChildren, (SNode*)pLeft);
}
SLogicNode* pRight = NULL;
if (TSDB_CODE_SUCCESS == code) {
code = createQueryLogicNode(pCxt, pSetOperator->pRight, &pRight);
}
if (TSDB_CODE_SUCCESS == code) {
code = nodesListStrictAppend(pSetOp->pChildren, (SNode*)pRight);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pSetOp;
} else {
nodesDestroyNode((SNode*)pSetOp);
}
return code;
}
static int32_t createSetOperatorLogicNode(SLogicPlanContext* pCxt, SSetOperator* pSetOperator,
SLogicNode** pLogicNode) {
SLogicNode* pRoot = NULL;
int32_t code = createSetOpLogicNode(pCxt, pSetOperator, &pRoot);
if (TSDB_CODE_SUCCESS == code) {
code = createSetOpRootLogicNode(pCxt, pSetOperator, createSetOpSortLogicNode, &pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = pRoot;
} else {
nodesDestroyNode((SNode*)pRoot);
}
return code;
}
static int32_t getMsgType(ENodeType sqlType) {
switch (sqlType) {
case QUERY_NODE_CREATE_TABLE_STMT:
case QUERY_NODE_CREATE_MULTI_TABLE_STMT:
return TDMT_VND_CREATE_TABLE;
case QUERY_NODE_DROP_TABLE_STMT:
return TDMT_VND_DROP_TABLE;
case QUERY_NODE_ALTER_TABLE_STMT:
return TDMT_VND_ALTER_TABLE;
default:
break;
}
return TDMT_VND_SUBMIT;
}
static int32_t createVnodeModifLogicNode(SLogicPlanContext* pCxt, SVnodeModifOpStmt* pStmt, SLogicNode** pLogicNode) {
SVnodeModifyLogicNode* pModif = (SVnodeModifyLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_VNODE_MODIFY);
if (NULL == pModif) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pModif->modifyType = MODIFY_TABLE_TYPE_INSERT;
TSWAP(pModif->pDataBlocks, pStmt->pDataBlocks);
pModif->msgType = getMsgType(pStmt->sqlNodeType);
*pLogicNode = (SLogicNode*)pModif;
return TSDB_CODE_SUCCESS;
}
static int32_t createDeleteRootLogicNode(SLogicPlanContext* pCxt, SDeleteStmt* pDelete, FCreateDeleteLogicNode func,
SLogicNode** pRoot) {
return createRootLogicNode(pCxt, pDelete, pDelete->precision, (FCreateLogicNode)func, pRoot);
}
static int32_t createDeleteScanLogicNode(SLogicPlanContext* pCxt, SDeleteStmt* pDelete, SLogicNode** pLogicNode) {
SScanLogicNode* pScan = NULL;
int32_t code = makeScanLogicNode(pCxt, (SRealTableNode*)pDelete->pFromTable, false, (SLogicNode**)&pScan);
// set columns to scan
if (TSDB_CODE_SUCCESS == code) {
pScan->scanType = SCAN_TYPE_TABLE;
pScan->pScanCols = nodesCloneList(((SFunctionNode*)pDelete->pCountFunc)->pParameterList);
if (NULL == pScan->pScanCols) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
}
if (TSDB_CODE_SUCCESS == code && NULL != pDelete->pTagIndexCond) {
pScan->pTagCond = nodesCloneNode(pDelete->pTagIndexCond);
if (NULL == pScan->pTagCond) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
}
// set output
if (TSDB_CODE_SUCCESS == code) {
code = createColumnByRewriteExprs(pScan->pScanCols, &pScan->node.pTargets);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pScan;
} else {
nodesDestroyNode((SNode*)pScan);
}
return code;
}
static int32_t createDeleteAggLogicNode(SLogicPlanContext* pCxt, SDeleteStmt* pDelete, SLogicNode** pLogicNode) {
SAggLogicNode* pAgg = (SAggLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_AGG);
if (NULL == pAgg) {
return TSDB_CODE_OUT_OF_MEMORY;
}
int32_t code = nodesListMakeStrictAppend(&pAgg->pAggFuncs, nodesCloneNode(pDelete->pCountFunc));
if (TSDB_CODE_SUCCESS == code) {
code = rewriteExpr(pAgg->pAggFuncs, &pDelete->pCountFunc);
}
// set the output
if (TSDB_CODE_SUCCESS == code) {
code = createColumnByRewriteExprs(pAgg->pAggFuncs, &pAgg->node.pTargets);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = (SLogicNode*)pAgg;
} else {
nodesDestroyNode((SNode*)pAgg);
}
return code;
}
static int32_t createVnodeModifLogicNodeByDelete(SLogicPlanContext* pCxt, SDeleteStmt* pDelete,
SLogicNode** pLogicNode) {
SVnodeModifyLogicNode* pModify = (SVnodeModifyLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_VNODE_MODIFY);
if (NULL == pModify) {
return TSDB_CODE_OUT_OF_MEMORY;
}
SRealTableNode* pRealTable = (SRealTableNode*)pDelete->pFromTable;
pModify->modifyType = MODIFY_TABLE_TYPE_DELETE;
pModify->tableId = pRealTable->pMeta->uid;
pModify->tableType = pRealTable->pMeta->tableType;
snprintf(pModify->tableFName, sizeof(pModify->tableFName), "%d.%s.%s", pCxt->pPlanCxt->acctId,
pRealTable->table.dbName, pRealTable->table.tableName);
pModify->deleteTimeRange = pDelete->timeRange;
pModify->pAffectedRows = nodesCloneNode(pDelete->pCountFunc);
if (NULL == pModify->pAffectedRows) {
nodesDestroyNode((SNode*)pModify);
return TSDB_CODE_OUT_OF_MEMORY;
}
*pLogicNode = (SLogicNode*)pModify;
return TSDB_CODE_SUCCESS;
}
static int32_t createDeleteLogicNode(SLogicPlanContext* pCxt, SDeleteStmt* pDelete, SLogicNode** pLogicNode) {
SLogicNode* pRoot = NULL;
int32_t code = createDeleteScanLogicNode(pCxt, pDelete, &pRoot);
if (TSDB_CODE_SUCCESS == code) {
code = createDeleteRootLogicNode(pCxt, pDelete, createDeleteAggLogicNode, &pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
code = createDeleteRootLogicNode(pCxt, pDelete, createVnodeModifLogicNodeByDelete, &pRoot);
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicNode = pRoot;
} else {
nodesDestroyNode((SNode*)pRoot);
}
return code;
}
static int32_t createQueryLogicNode(SLogicPlanContext* pCxt, SNode* pStmt, SLogicNode** pLogicNode) {
switch (nodeType(pStmt)) {
case QUERY_NODE_SELECT_STMT:
return createSelectLogicNode(pCxt, (SSelectStmt*)pStmt, pLogicNode);
case QUERY_NODE_VNODE_MODIF_STMT:
return createVnodeModifLogicNode(pCxt, (SVnodeModifOpStmt*)pStmt, pLogicNode);
case QUERY_NODE_EXPLAIN_STMT:
return createQueryLogicNode(pCxt, ((SExplainStmt*)pStmt)->pQuery, pLogicNode);
case QUERY_NODE_SET_OPERATOR:
return createSetOperatorLogicNode(pCxt, (SSetOperator*)pStmt, pLogicNode);
case QUERY_NODE_DELETE_STMT:
return createDeleteLogicNode(pCxt, (SDeleteStmt*)pStmt, pLogicNode);
default:
break;
}
return TSDB_CODE_FAILED;
}
static void doSetLogicNodeParent(SLogicNode* pNode, SLogicNode* pParent) {
pNode->pParent = pParent;
SNode* pChild;
FOREACH(pChild, pNode->pChildren) { doSetLogicNodeParent((SLogicNode*)pChild, pNode); }
}
static void setLogicNodeParent(SLogicNode* pNode) { doSetLogicNodeParent(pNode, NULL); }
int32_t createLogicPlan(SPlanContext* pCxt, SLogicSubplan** pLogicSubplan) {
SLogicPlanContext cxt = {.pPlanCxt = pCxt};
SLogicSubplan* pSubplan = (SLogicSubplan*)nodesMakeNode(QUERY_NODE_LOGIC_SUBPLAN);
if (NULL == pSubplan) {
return TSDB_CODE_OUT_OF_MEMORY;
}
pSubplan->id.queryId = pCxt->queryId;
pSubplan->id.groupId = 1;
pSubplan->id.subplanId = 1;
int32_t code = createQueryLogicNode(&cxt, pCxt->pAstRoot, &pSubplan->pNode);
if (TSDB_CODE_SUCCESS == code) {
setLogicNodeParent(pSubplan->pNode);
if (QUERY_NODE_LOGIC_PLAN_VNODE_MODIFY == nodeType(pSubplan->pNode)) {
pSubplan->subplanType = SUBPLAN_TYPE_MODIFY;
} else {
pSubplan->subplanType = SUBPLAN_TYPE_SCAN;
}
}
if (TSDB_CODE_SUCCESS == code) {
*pLogicSubplan = pSubplan;
} else {
nodesDestroyNode((SNode*)pSubplan);
}
return code;
}