homework-jianmu/source/libs/parser/inc/astCreateFuncs.h

40 lines
1.6 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 "nodes.h"
#include "nodesShowStmts.h"
#include "parser.h"
typedef void* (*FMalloc)(size_t);
typedef void (*FFree)(void*);
typedef struct SAstCreaterContext {
SParseContext* pQueryCxt;
bool notSupport;
bool valid;
SNode* pRootNode;
FMalloc mallocFunc;
FFree freeFunc;
} SAstCreaterContext;
SNodeList* addNodeToList(SAstCreaterContext* pCxt, SNodeList* pList, SNode* pNode);
SNode* createColumnNode(SAstCreaterContext* pCxt, SToken* pDbName, SToken* pTableName, SToken* pColumnName);
SNodeList* createNodeList(SAstCreaterContext* pCxt, SNode* pNode);
SNode* createOrderByExprNode(SAstCreaterContext* pCxt, SNode* pExpr, EOrder order, ENullOrder nullOrder);
SNode* createSelectStmt(SAstCreaterContext* pCxt, bool isDistinct, SNodeList* pProjectionList, SNode* pTable);
SNode* createSetOperator(SAstCreaterContext* pCxt, ESetOperatorType type, SNode* pLeft, SNode* pRight);
SNode* createShowStmt(SAstCreaterContext* pCxt, EShowStmtType type);
SNode* setProjectionAlias(SAstCreaterContext* pCxt, SNode* pNode, SToken* pAlias);