homework-jianmu/include/libs/parser/parser.h

129 lines
5.6 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/>.
*/
#ifndef _TD_PARSER_H_
#define _TD_PARSER_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "query.h"
#include "querynodes.h"
struct SCatalogReq;
struct SMetaData;
typedef struct SStmtCallback {
TAOS_STMT* pStmt;
int32_t (*getTbNameFn)(TAOS_STMT*, char**);
int32_t (*setInfoFn)(TAOS_STMT*, STableMeta*, void*, SName*, bool, SHashObj*, SHashObj*, const char*);
int32_t (*getExecInfoFn)(TAOS_STMT*, SHashObj**, SHashObj**);
} SStmtCallback;
typedef struct SParseCsvCxt {
TdFilePtr fp; // last parsed file
int32_t tableNo; // last parsed table
SName tableName; // last parsed table
const char* pLastSqlPos; // the location of the last parsed sql
} SParseCsvCxt;
typedef struct SParseContext {
uint64_t requestId;
int64_t requestRid;
int32_t acctId;
const char* db;
bool topicQuery;
void* pTransporter;
SEpSet mgmtEpSet;
const char* pSql; // sql string
size_t sqlLen; // length of the sql string
char* pMsg; // extended error message if exists to help identifying the problem in sql statement.
int32_t msgLen; // max length of the msg
struct SCatalog* pCatalog;
SStmtCallback* pStmtCb;
const char* pUser;
bool isSuperUser;
bool enableSysInfo;
bool async;
const char* svrVer;
bool nodeOffline;
SArray* pTableMetaPos; // sql table pos => catalog data pos
SArray* pTableVgroupPos; // sql table pos => catalog data pos
int64_t allocatorId;
} SParseContext;
int32_t qParseSql(SParseContext* pCxt, SQuery** pQuery);
bool qIsInsertValuesSql(const char* pStr, size_t length);
// for async mode
int32_t qParseSqlSyntax(SParseContext* pCxt, SQuery** pQuery, struct SCatalogReq* pCatalogReq);
int32_t qAnalyseSqlSemantic(SParseContext* pCxt, const struct SCatalogReq* pCatalogReq,
const struct SMetaData* pMetaData, SQuery* pQuery);
int32_t qContinueParseSql(SParseContext* pCxt, struct SCatalogReq* pCatalogReq, const struct SMetaData* pMetaData,
SQuery* pQuery);
void qDestroyParseContext(SParseContext* pCxt);
void qDestroyQuery(SQuery* pQueryNode);
int32_t qExtractResultSchema(const SNode* pRoot, int32_t* numOfCols, SSchema** pSchema);
int32_t qSetSTableIdForRsma(SNode* pStmt, int64_t uid);
void qCleanupKeywordsTable();
int32_t qBuildStmtOutput(SQuery* pQuery, SHashObj* pVgHash, SHashObj* pBlockHash);
int32_t qResetStmtDataBlock(STableDataCxt* block, bool keepBuf);
int32_t qCloneStmtDataBlock(STableDataCxt** pDst, STableDataCxt* pSrc, bool reset);
int32_t qRebuildStmtDataBlock(STableDataCxt** pDst, STableDataCxt* pSrc, uint64_t uid, uint64_t suid, int32_t vgId,
bool rebuildCreateTb);
void qDestroyStmtDataBlock(STableDataCxt* pBlock);
STableMeta* qGetTableMetaInDataBlock(STableDataCxt* pDataBlock);
int32_t qCloneCurrentTbData(STableDataCxt* pDataBlock, SSubmitTbData** pData);
int32_t qStmtBindParams(SQuery* pQuery, TAOS_MULTI_BIND* pParams, int32_t colIdx);
int32_t qStmtParseQuerySql(SParseContext* pCxt, SQuery* pQuery);
int32_t qBindStmtColsValue(void* pBlock, TAOS_MULTI_BIND* bind, char* msgBuf, int32_t msgBufLen);
int32_t qBindStmtSingleColValue(void* pBlock, TAOS_MULTI_BIND* bind, char* msgBuf, int32_t msgBufLen, int32_t colIdx,
int32_t rowNum);
int32_t qBuildStmtColFields(void* pDataBlock, int32_t* fieldNum, TAOS_FIELD_E** fields);
int32_t qBuildStmtTagFields(void* pBlock, void* boundTags, int32_t* fieldNum, TAOS_FIELD_E** fields);
int32_t qBindStmtTagsValue(void* pBlock, void* boundTags, int64_t suid, const char* sTableName, char* tName,
TAOS_MULTI_BIND* bind, char* msgBuf, int32_t msgBufLen);
void destroyBoundColumnInfo(void* pBoundInfo);
int32_t qCreateSName(SName* pName, const char* pTableName, int32_t acctId, char* dbName, char* msgBuf,
int32_t msgBufLen);
void qDestroyBoundColInfo(void* pInfo);
SQuery* smlInitHandle();
int32_t smlBuildRow(STableDataCxt* pTableCxt);
int32_t smlBuildCol(STableDataCxt* pTableCxt, SSchema* schema, void* kv, int32_t index);
STableDataCxt* smlInitTableDataCtx(SQuery* query, STableMeta* pTableMeta);
int32_t smlBindData(SQuery* handle, bool dataFormat, SArray* tags, SArray* colsSchema, SArray* cols,
STableMeta* pTableMeta, char* tableName, const char* sTableName, int32_t sTableNameLen, int32_t ttl,
char* msgBuf, int32_t msgBufLen);
int32_t smlBuildOutput(SQuery* handle, SHashObj* pVgHash);
int rawBlockBindData(SQuery *query, STableMeta* pTableMeta, void* data, SVCreateTbReq* pCreateTb, TAOS_FIELD *fields, int numFields, bool needChangeLength);
int32_t rewriteToVnodeModifyOpStmt(SQuery* pQuery, SArray* pBufArray);
SArray* serializeVgroupsCreateTableBatch(SHashObj* pVgroupHashmap);
SArray* serializeVgroupsDropTableBatch(SHashObj* pVgroupHashmap);
#ifdef __cplusplus
}
#endif
#endif /*_TD_PARSER_H_*/