102 lines
3.1 KiB
C
102 lines
3.1 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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#ifndef _TD_PARSER_INT_H_
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#define _TD_PARSER_INT_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "catalog.h"
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#include "tname.h"
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#include "astGenerator.h"
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struct SSqlNode;
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typedef struct SInsertStmtInfo {
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SHashObj *pTableBlockHashList; // data block for each table
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SArray *pDataBlocks; // SArray<STableDataBlocks*>. Merged submit block for each vgroup
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int8_t schemaAttached; // denote if submit block is built with table schema or not
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uint8_t payloadType; // EPayloadType. 0: K-V payload for non-prepare insert, 1: rawPayload for prepare insert
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uint32_t insertType; // insert data from [file|sql statement| bound statement]
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char *sql; // current sql statement position
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} SInsertStmtInfo;
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typedef struct SInternalField {
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TAOS_FIELD field;
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bool visible;
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SExprInfo *pExpr;
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} SInternalField;
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typedef struct SMsgBuf {
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int32_t len;
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char *buf;
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} SMsgBuf;
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void clearTableMetaInfo(STableMetaInfo* pTableMetaInfo);
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void clearAllTableMetaInfo(SQueryStmtInfo* pQueryInfo, bool removeMeta, uint64_t id);
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/**
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* Validate the sql info, according to the corresponding metadata info from catalog.
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* @param pCatalog
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* @param pSqlInfo
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* @param pQueryInfo a bounded AST with essential meta data from local buffer or mgmt node
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* @param id
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* @param msg
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* @return
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*/
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int32_t qParserValidateSqlNode(struct SCatalog* pCatalog, SSqlInfo* pSqlInfo, SQueryStmtInfo* pQueryInfo, int64_t id, char* msg, int32_t msgLen);
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/**
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* Evaluate the numeric and timestamp arithmetic expression in the WHERE clause.
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* @param pNode
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* @param tsPrecision
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* @param msg
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* @param msgBufLen
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* @return
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*/
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int32_t evaluateSqlNode(SSqlNode* pNode, int32_t tsPrecision, SMsgBuf* pMsgBuf);
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int32_t validateSqlNode(SSqlNode* pSqlNode, SQueryStmtInfo* pQueryInfo, SMsgBuf* pMsgBuf);
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SQueryStmtInfo* createQueryInfo();
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void destroyQueryInfo(SQueryStmtInfo* pQueryInfo);
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int32_t checkForInvalidExpr(SQueryStmtInfo* pQueryInfo, SMsgBuf* pMsgBuf);
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/**
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* Extract request meta info from the sql statement
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* @param pSqlInfo
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* @param pMetaInfo
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* @param msg
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* @param msgBufLen
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* @return
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*/
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int32_t qParserExtractRequestedMetaInfo(const SSqlInfo* pSqlInfo, SMetaReq* pMetaInfo, char* msg, int32_t msgBufLen);
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/**
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* Destroy the meta data request structure.
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* @param pMetaInfo
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*/
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void qParserClearupMetaRequestInfo(SMetaReq* pMetaInfo);
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_PARSER_INT_H_*/ |