1035 lines
32 KiB
C
1035 lines
32 KiB
C
/*
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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 "planInt.h"
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#include "functionMgt.h"
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typedef struct SLogicPlanContext {
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SPlanContext* pPlanCxt;
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} SLogicPlanContext;
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typedef int32_t (*FCreateLogicNode)(SLogicPlanContext*, SSelectStmt*, SLogicNode**);
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typedef int32_t (*FCreateSetOpLogicNode)(SLogicPlanContext*, SSetOperator*, SLogicNode**);
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static int32_t doCreateLogicNodeByTable(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SNode* pTable,
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SLogicNode** pLogicNode);
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static int32_t createQueryLogicNode(SLogicPlanContext* pCxt, SNode* pStmt, SLogicNode** pLogicNode);
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typedef struct SRewriteExprCxt {
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int32_t errCode;
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SNodeList* pExprs;
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} SRewriteExprCxt;
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static EDealRes doRewriteExpr(SNode** pNode, void* pContext) {
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switch (nodeType(*pNode)) {
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case QUERY_NODE_OPERATOR:
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case QUERY_NODE_LOGIC_CONDITION:
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case QUERY_NODE_FUNCTION: {
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SRewriteExprCxt* pCxt = (SRewriteExprCxt*)pContext;
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SNode* pExpr;
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int32_t index = 0;
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FOREACH(pExpr, pCxt->pExprs) {
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if (QUERY_NODE_GROUPING_SET == nodeType(pExpr)) {
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pExpr = nodesListGetNode(((SGroupingSetNode*)pExpr)->pParameterList, 0);
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}
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if (nodesEqualNode(pExpr, *pNode)) {
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SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
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if (NULL == pCol) {
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return DEAL_RES_ERROR;
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}
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SExprNode* pToBeRewrittenExpr = (SExprNode*)(*pNode);
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pCol->node.resType = pToBeRewrittenExpr->resType;
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strcpy(pCol->node.aliasName, pToBeRewrittenExpr->aliasName);
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strcpy(pCol->colName, ((SExprNode*)pExpr)->aliasName);
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if (QUERY_NODE_FUNCTION == nodeType(pExpr) && FUNCTION_TYPE_WSTARTTS == ((SFunctionNode*)pExpr)->funcType) {
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pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
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}
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nodesDestroyNode(*pNode);
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*pNode = (SNode*)pCol;
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return DEAL_RES_IGNORE_CHILD;
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}
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++index;
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}
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break;
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}
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default:
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break;
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}
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return DEAL_RES_CONTINUE;
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}
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static EDealRes doNameExpr(SNode* pNode, void* pContext) {
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switch (nodeType(pNode)) {
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case QUERY_NODE_OPERATOR:
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case QUERY_NODE_LOGIC_CONDITION:
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case QUERY_NODE_FUNCTION: {
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if ('\0' == ((SExprNode*)pNode)->aliasName[0]) {
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sprintf(((SExprNode*)pNode)->aliasName, "#expr_%p", pNode);
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}
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return DEAL_RES_IGNORE_CHILD;
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}
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default:
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break;
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}
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return DEAL_RES_CONTINUE;
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}
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static int32_t rewriteExprForSelect(SNodeList* pExprs, SSelectStmt* pSelect, ESqlClause clause) {
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nodesWalkExprs(pExprs, doNameExpr, NULL);
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SRewriteExprCxt cxt = {.errCode = TSDB_CODE_SUCCESS, .pExprs = pExprs};
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nodesRewriteSelectStmt(pSelect, clause, doRewriteExpr, &cxt);
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return cxt.errCode;
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}
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static int32_t rewriteExprs(SNodeList* pExprs, SNodeList* pTarget) {
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SRewriteExprCxt cxt = {.errCode = TSDB_CODE_SUCCESS, .pExprs = pExprs};
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nodesRewriteExprs(pTarget, doRewriteExpr, &cxt);
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return cxt.errCode;
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}
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static int32_t pushLogicNode(SLogicPlanContext* pCxt, SLogicNode** pOldRoot, SLogicNode* pNewRoot) {
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if (NULL == pNewRoot->pChildren) {
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pNewRoot->pChildren = nodesMakeList();
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if (NULL == pNewRoot->pChildren) {
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return TSDB_CODE_OUT_OF_MEMORY;
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}
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}
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if (TSDB_CODE_SUCCESS != nodesListAppend(pNewRoot->pChildren, (SNode*)*pOldRoot)) {
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return TSDB_CODE_OUT_OF_MEMORY;
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}
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(*pOldRoot)->pParent = pNewRoot;
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*pOldRoot = pNewRoot;
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return TSDB_CODE_SUCCESS;
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}
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static int32_t createChildLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, FCreateLogicNode func,
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SLogicNode** pRoot) {
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SLogicNode* pNode = NULL;
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int32_t code = func(pCxt, pSelect, &pNode);
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if (TSDB_CODE_SUCCESS == code && NULL != pNode) {
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pNode->precision = pSelect->precision;
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code = pushLogicNode(pCxt, pRoot, pNode);
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}
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if (TSDB_CODE_SUCCESS != code) {
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nodesDestroyNode(pNode);
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}
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return code;
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}
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// typedef struct SCreateColumnCxt {
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// int32_t errCode;
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// SNodeList* pList;
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// } SCreateColumnCxt;
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// static EDealRes doCreateColumn(SNode* pNode, void* pContext) {
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// SCreateColumnCxt* pCxt = (SCreateColumnCxt*)pContext;
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// switch (nodeType(pNode)) {
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// case QUERY_NODE_COLUMN: {
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// SNode* pCol = nodesCloneNode(pNode);
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// if (NULL == pCol) {
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// return DEAL_RES_ERROR;
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// }
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// return (TSDB_CODE_SUCCESS == nodesListAppend(pCxt->pList, pCol) ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR);
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// }
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// case QUERY_NODE_OPERATOR:
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// case QUERY_NODE_LOGIC_CONDITION:
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// case QUERY_NODE_FUNCTION: {
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// SExprNode* pExpr = (SExprNode*)pNode;
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// SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
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// if (NULL == pCol) {
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// return DEAL_RES_ERROR;
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// }
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// pCol->node.resType = pExpr->resType;
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// strcpy(pCol->colName, pExpr->aliasName);
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// return (TSDB_CODE_SUCCESS == nodesListAppend(pCxt->pList, pCol) ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR);
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// }
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// default:
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// break;
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// }
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// return DEAL_RES_CONTINUE;
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// }
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// static int32_t createColumnByRewriteExps(SNodeList* pExprs, SNodeList** pList) {
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// SCreateColumnCxt cxt = {.errCode = TSDB_CODE_SUCCESS, .pList = (NULL == *pList ? nodesMakeList() : *pList)};
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// if (NULL == cxt.pList) {
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// return TSDB_CODE_OUT_OF_MEMORY;
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// }
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// nodesWalkExprs(pExprs, doCreateColumn, &cxt);
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// if (TSDB_CODE_SUCCESS != cxt.errCode) {
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// nodesDestroyList(cxt.pList);
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// return cxt.errCode;
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// }
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// if (NULL == *pList) {
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// *pList = cxt.pList;
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// }
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// return cxt.errCode;
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// }
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static EScanType getScanType(SLogicPlanContext* pCxt, SNodeList* pScanPseudoCols, SNodeList* pScanCols,
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STableMeta* pMeta) {
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if (pCxt->pPlanCxt->topicQuery || pCxt->pPlanCxt->streamQuery) {
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return SCAN_TYPE_STREAM;
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}
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if (NULL == pScanCols) {
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// select count(*) from t
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return NULL == pScanPseudoCols ? SCAN_TYPE_TABLE : SCAN_TYPE_TAG;
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}
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if (TSDB_SYSTEM_TABLE == pMeta->tableType) {
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return SCAN_TYPE_SYSTEM_TABLE;
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}
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SNode* pCol = NULL;
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FOREACH(pCol, pScanCols) {
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if (COLUMN_TYPE_COLUMN == ((SColumnNode*)pCol)->colType) {
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return SCAN_TYPE_TABLE;
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}
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}
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return SCAN_TYPE_TAG;
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}
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static SNodeptr createPrimaryKeyCol(uint64_t tableId) {
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SColumnNode* pCol = nodesMakeNode(QUERY_NODE_COLUMN);
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if (NULL == pCol) {
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return NULL;
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}
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pCol->node.resType.type = TSDB_DATA_TYPE_TIMESTAMP;
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pCol->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_TIMESTAMP].bytes;
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pCol->tableId = tableId;
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pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
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pCol->colType = COLUMN_TYPE_COLUMN;
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strcpy(pCol->colName, "#primarykey");
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return pCol;
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}
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static int32_t addPrimaryKeyCol(uint64_t tableId, SNodeList** pCols) {
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if (NULL == *pCols) {
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*pCols = nodesMakeList();
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if (NULL == *pCols) {
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return TSDB_CODE_OUT_OF_MEMORY;
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}
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}
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bool found = false;
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SNode* pCol = NULL;
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FOREACH(pCol, *pCols) {
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if (PRIMARYKEY_TIMESTAMP_COL_ID == ((SColumnNode*)pCol)->colId) {
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found = true;
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break;
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}
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}
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if (!found) {
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if (TSDB_CODE_SUCCESS != nodesListStrictAppend(*pCols, createPrimaryKeyCol(tableId))) {
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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 createScanLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SRealTableNode* pRealTable,
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SLogicNode** pLogicNode) {
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SScanLogicNode* pScan = (SScanLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_SCAN);
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if (NULL == pScan) {
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return TSDB_CODE_OUT_OF_MEMORY;
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}
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TSWAP(pScan->pMeta, pRealTable->pMeta);
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TSWAP(pScan->pVgroupList, pRealTable->pVgroupList);
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pScan->scanSeq[0] = pSelect->hasRepeatScanFuncs ? 2 : 1;
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pScan->scanSeq[1] = 0;
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pScan->scanRange = TSWINDOW_INITIALIZER;
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pScan->tableName.type = TSDB_TABLE_NAME_T;
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pScan->tableName.acctId = pCxt->pPlanCxt->acctId;
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strcpy(pScan->tableName.dbname, pRealTable->table.dbName);
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strcpy(pScan->tableName.tname, pRealTable->table.tableName);
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pScan->showRewrite = pCxt->pPlanCxt->showRewrite;
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pScan->ratio = pRealTable->ratio;
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pScan->dataRequired = FUNC_DATA_REQUIRED_DATA_LOAD;
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// set columns to scan
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int32_t code = nodesCollectColumns(pSelect, SQL_CLAUSE_FROM, pRealTable->table.tableAlias, COLLECT_COL_TYPE_COL,
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&pScan->pScanCols);
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if (TSDB_CODE_SUCCESS == code) {
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code = nodesCollectColumns(pSelect, SQL_CLAUSE_FROM, pRealTable->table.tableAlias, COLLECT_COL_TYPE_TAG,
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&pScan->pScanPseudoCols);
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}
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if (TSDB_CODE_SUCCESS == code) {
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code = nodesCollectFuncs(pSelect, SQL_CLAUSE_FROM, fmIsScanPseudoColumnFunc, &pScan->pScanPseudoCols);
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}
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// rewrite the expression in subsequent clauses
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if (TSDB_CODE_SUCCESS == code) {
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code = rewriteExprForSelect(pScan->pScanPseudoCols, pSelect, SQL_CLAUSE_FROM);
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}
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pScan->scanType = getScanType(pCxt, pScan->pScanPseudoCols, pScan->pScanCols, pScan->pMeta);
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if (TSDB_CODE_SUCCESS == code) {
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code = addPrimaryKeyCol(pScan->pMeta->uid, &pScan->pScanCols);
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}
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// set output
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if (TSDB_CODE_SUCCESS == code) {
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code = createColumnByRewriteExps(pScan->pScanCols, &pScan->node.pTargets);
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}
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if (TSDB_CODE_SUCCESS == code) {
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code = createColumnByRewriteExps(pScan->pScanPseudoCols, &pScan->node.pTargets);
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}
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if (TSDB_CODE_SUCCESS == code) {
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*pLogicNode = (SLogicNode*)pScan;
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} else {
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nodesDestroyNode(pScan);
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}
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return code;
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}
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static int32_t createSubqueryLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, STempTableNode* pTable,
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SLogicNode** pLogicNode) {
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return createQueryLogicNode(pCxt, pTable->pSubquery, pLogicNode);
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}
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static int32_t createJoinLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SJoinTableNode* pJoinTable,
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SLogicNode** pLogicNode) {
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SJoinLogicNode* pJoin = (SJoinLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_JOIN);
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if (NULL == pJoin) {
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return TSDB_CODE_OUT_OF_MEMORY;
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}
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pJoin->joinType = pJoinTable->joinType;
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pJoin->isSingleTableJoin = pJoinTable->table.singleTable;
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int32_t code = TSDB_CODE_SUCCESS;
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// set left and right node
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pJoin->node.pChildren = nodesMakeList();
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if (NULL == pJoin->node.pChildren) {
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code = TSDB_CODE_OUT_OF_MEMORY;
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}
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SLogicNode* pLeft = NULL;
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if (TSDB_CODE_SUCCESS == code) {
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code = doCreateLogicNodeByTable(pCxt, pSelect, pJoinTable->pLeft, &pLeft);
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if (TSDB_CODE_SUCCESS == code) {
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code = nodesListStrictAppend(pJoin->node.pChildren, (SNode*)pLeft);
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}
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}
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SLogicNode* pRight = NULL;
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if (TSDB_CODE_SUCCESS == code) {
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code = doCreateLogicNodeByTable(pCxt, pSelect, pJoinTable->pRight, &pRight);
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if (TSDB_CODE_SUCCESS == code) {
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code = nodesListStrictAppend(pJoin->node.pChildren, (SNode*)pRight);
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}
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}
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// set on conditions
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if (TSDB_CODE_SUCCESS == code && NULL != pJoinTable->pOnCond) {
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pJoin->pOnConditions = nodesCloneNode(pJoinTable->pOnCond);
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if (NULL == pJoin->pOnConditions) {
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code = TSDB_CODE_OUT_OF_MEMORY;
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}
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}
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// set the output
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if (TSDB_CODE_SUCCESS == code) {
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pJoin->node.pTargets = nodesCloneList(pLeft->pTargets);
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if (NULL == pJoin->node.pTargets) {
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code = TSDB_CODE_OUT_OF_MEMORY;
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}
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if (TSDB_CODE_SUCCESS == code) {
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code = nodesListStrictAppendList(pJoin->node.pTargets, nodesCloneList(pRight->pTargets));
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}
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}
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if (TSDB_CODE_SUCCESS == code) {
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*pLogicNode = (SLogicNode*)pJoin;
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} else {
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nodesDestroyNode(pJoin);
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}
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return code;
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}
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static int32_t doCreateLogicNodeByTable(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SNode* pTable,
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SLogicNode** pLogicNode) {
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switch (nodeType(pTable)) {
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case QUERY_NODE_REAL_TABLE:
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return createScanLogicNode(pCxt, pSelect, (SRealTableNode*)pTable, pLogicNode);
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case QUERY_NODE_TEMP_TABLE:
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return createSubqueryLogicNode(pCxt, pSelect, (STempTableNode*)pTable, pLogicNode);
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case QUERY_NODE_JOIN_TABLE:
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return createJoinLogicNode(pCxt, pSelect, (SJoinTableNode*)pTable, pLogicNode);
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default:
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break;
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}
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return TSDB_CODE_FAILED;
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}
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static int32_t createLogicNodeByTable(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SNode* pTable,
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SLogicNode** pLogicNode) {
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SLogicNode* pNode = NULL;
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int32_t code = doCreateLogicNodeByTable(pCxt, pSelect, pTable, &pNode);
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if (TSDB_CODE_SUCCESS == code) {
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pNode->pConditions = nodesCloneNode(pSelect->pWhere);
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if (NULL != pSelect->pWhere && NULL == pNode->pConditions) {
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nodesDestroyNode(pNode);
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return TSDB_CODE_OUT_OF_MEMORY;
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}
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pNode->precision = pSelect->precision;
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*pLogicNode = pNode;
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}
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return code;
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}
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static SColumnNode* createColumnByExpr(const char* pStmtName, SExprNode* pExpr) {
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SColumnNode* pCol = nodesMakeNode(QUERY_NODE_COLUMN);
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if (NULL == pCol) {
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return NULL;
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}
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pCol->node.resType = pExpr->resType;
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strcpy(pCol->colName, pExpr->aliasName);
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if (NULL != pStmtName) {
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strcpy(pCol->tableAlias, pStmtName);
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}
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return pCol;
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}
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static int32_t createAggLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
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if (!pSelect->hasAggFuncs && NULL == pSelect->pGroupByList) {
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return TSDB_CODE_SUCCESS;
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}
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SAggLogicNode* pAgg = (SAggLogicNode*)nodesMakeNode(QUERY_NODE_LOGIC_PLAN_AGG);
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if (NULL == pAgg) {
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return TSDB_CODE_OUT_OF_MEMORY;
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}
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int32_t code = TSDB_CODE_SUCCESS;
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// set grouyp keys, agg funcs and having conditions
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if (NULL != pSelect->pGroupByList) {
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pAgg->pGroupKeys = nodesCloneList(pSelect->pGroupByList);
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if (NULL == pAgg->pGroupKeys) {
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code = TSDB_CODE_OUT_OF_MEMORY;
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}
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}
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// rewrite the expression in subsequent clauses
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if (TSDB_CODE_SUCCESS == code) {
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code = rewriteExprForSelect(pAgg->pGroupKeys, pSelect, SQL_CLAUSE_GROUP_BY);
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}
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|
|
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 = rewriteExprForSelect(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 = createColumnByRewriteExps(pAgg->pGroupKeys, &pAgg->node.pTargets);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code && NULL != pAgg->pAggFuncs) {
|
|
code = createColumnByRewriteExps(pAgg->pAggFuncs, &pAgg->node.pTargets);
|
|
}
|
|
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
*pLogicNode = (SLogicNode*)pAgg;
|
|
} else {
|
|
nodesDestroyNode(pAgg);
|
|
}
|
|
|
|
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 = rewriteExprForSelect(pWindow->pFuncs, pSelect, SQL_CLAUSE_WINDOW);
|
|
}
|
|
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = createColumnByRewriteExps(pWindow->pFuncs, &pWindow->node.pTargets);
|
|
}
|
|
|
|
pSelect->hasAggFuncs = false;
|
|
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
*pLogicNode = (SLogicNode*)pWindow;
|
|
} else {
|
|
nodesDestroyNode(pWindow);
|
|
}
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t createWindowLogicNodeByState(SLogicPlanContext* pCxt, SStateWindowNode* pState, SSelectStmt* pSelect,
|
|
SLogicNode** pLogicNode) {
|
|
SWindowLogicNode* pWindow = 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(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 = 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->pTspk = nodesCloneNode(pSession->pCol);
|
|
if (NULL == pWindow->pTspk) {
|
|
nodesDestroyNode(pWindow);
|
|
return TSDB_CODE_OUT_OF_MEMORY;
|
|
}
|
|
|
|
return createWindowLogicNodeFinalize(pCxt, pSelect, pWindow, pLogicNode);
|
|
}
|
|
|
|
static int32_t createWindowLogicNodeByInterval(SLogicPlanContext* pCxt, SIntervalWindowNode* pInterval,
|
|
SSelectStmt* pSelect, SLogicNode** pLogicNode) {
|
|
SWindowLogicNode* pWindow = 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->stmInterAlgo = STREAM_INTERVAL_ALGO_SINGLE;
|
|
|
|
pWindow->pTspk = nodesCloneNode(pInterval->pCol);
|
|
if (NULL == pWindow->pTspk) {
|
|
nodesDestroyNode(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 = 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(pFill);
|
|
}
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t createSortLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
|
|
if (NULL == pSelect->pOrderByList) {
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
SSortLogicNode* pSort = 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(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, 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(pProject);
|
|
}
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t createPartitionLogicNode(SLogicPlanContext* pCxt, SSelectStmt* pSelect, SLogicNode** pLogicNode) {
|
|
if (NULL == pSelect->pPartitionByList) {
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
SPartitionLogicNode* pPartition = 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(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 = rewriteExprForSelect(pAgg->pGroupKeys, pSelect, SQL_CLAUSE_DISTINCT);
|
|
}
|
|
|
|
// set the output
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = createColumnByRewriteExps(pAgg->pGroupKeys, &pAgg->node.pTargets);
|
|
}
|
|
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
*pLogicNode = (SLogicNode*)pAgg;
|
|
} else {
|
|
nodesDestroyNode(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 = createChildLogicNode(pCxt, pSelect, createPartitionLogicNode, &pRoot);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = createChildLogicNode(pCxt, pSelect, createWindowLogicNode, &pRoot);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = createChildLogicNode(pCxt, pSelect, createFillLogicNode, &pRoot);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = createChildLogicNode(pCxt, pSelect, createAggLogicNode, &pRoot);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = createChildLogicNode(pCxt, pSelect, createDistinctLogicNode, &pRoot);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = createChildLogicNode(pCxt, pSelect, createSortLogicNode, &pRoot);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = createChildLogicNode(pCxt, pSelect, createProjectLogicNode, &pRoot);
|
|
}
|
|
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
*pLogicNode = pRoot;
|
|
} else {
|
|
nodesDestroyNode(pRoot);
|
|
}
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t createSetOpChildLogicNode(SLogicPlanContext* pCxt, SSetOperator* pSetOperator,
|
|
FCreateSetOpLogicNode func, SLogicNode** pRoot) {
|
|
SLogicNode* pNode = NULL;
|
|
int32_t code = func(pCxt, pSetOperator, &pNode);
|
|
if (TSDB_CODE_SUCCESS == code && NULL != pNode) {
|
|
code = pushLogicNode(pCxt, pRoot, pNode);
|
|
}
|
|
if (TSDB_CODE_SUCCESS != code) {
|
|
nodesDestroyNode(pNode);
|
|
}
|
|
return code;
|
|
}
|
|
|
|
static int32_t createSetOpSortLogicNode(SLogicPlanContext* pCxt, SSetOperator* pSetOperator, SLogicNode** pLogicNode) {
|
|
if (NULL == pSetOperator->pOrderByList) {
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
SSortLogicNode* pSort = 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(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(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 = createColumnByRewriteExps(pAgg->pGroupKeys, &pAgg->node.pTargets);
|
|
}
|
|
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
*pLogicNode = (SLogicNode*)pAgg;
|
|
} else {
|
|
nodesDestroyNode(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(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 = createSetOpChildLogicNode(pCxt, pSetOperator, createSetOpSortLogicNode, &pRoot);
|
|
}
|
|
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
*pLogicNode = pRoot;
|
|
} else {
|
|
nodesDestroyNode(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) {
|
|
SVnodeModifLogicNode* pModif = nodesMakeNode(QUERY_NODE_LOGIC_PLAN_VNODE_MODIF);
|
|
if (NULL == pModif) {
|
|
return TSDB_CODE_OUT_OF_MEMORY;
|
|
}
|
|
TSWAP(pModif->pDataBlocks, pStmt->pDataBlocks);
|
|
pModif->msgType = getMsgType(pStmt->sqlNodeType);
|
|
*pLogicNode = (SLogicNode*)pModif;
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
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);
|
|
default:
|
|
break;
|
|
}
|
|
return TSDB_CODE_FAILED;
|
|
}
|
|
|
|
int32_t createLogicPlan(SPlanContext* pCxt, SLogicNode** pLogicNode) {
|
|
SLogicPlanContext cxt = {.pPlanCxt = pCxt};
|
|
int32_t code = createQueryLogicNode(&cxt, pCxt->pAstRoot, pLogicNode);
|
|
if (TSDB_CODE_SUCCESS != code) {
|
|
return code;
|
|
}
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|