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

238 lines
11 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 "catalog.h"
#include "query.h"
#include "querynodes.h"
#define PAR_ERR_RET(c) \
do { \
int32_t _code = c; \
if (_code != TSDB_CODE_SUCCESS) { \
terrno = _code; \
return _code; \
} \
} while (0)
#define PAR_RET(c) \
do { \
int32_t _code = c; \
if (_code != TSDB_CODE_SUCCESS) { \
terrno = _code; \
} \
return _code; \
} while (0)
#define PAR_ERR_JRET(c) \
do { \
code = c; \
if (code != TSDB_CODE_SUCCESS) { \
terrno = code; \
goto _return; \
} \
} while (0)
#define HAS_BIND_VALUE ((uint8_t)0x1)
#define IS_FIXED_VALUE ((uint8_t)0x2)
#define USING_CLAUSE ((uint8_t)0x4)
#define IS_FIXED_TAG ((uint8_t)0x8)
#define NO_DATA_USING_CLAUSE ((uint8_t)0x7)
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*, uint8_t);
int32_t (*getExecInfoFn)(TAOS_STMT*, SHashObj**, SHashObj**);
} SStmtCallback;
typedef enum {
PARSE_SQL_RES_QUERY = 1,
PARSE_SQL_RES_SCHEMA,
} SParseResType;
typedef struct SParseSchemaRes {
int8_t precision;
int32_t numOfCols;
SSchema* pSchema;
} SParseSchemaRes;
typedef struct SParseQueryRes {
SNode* pQuery;
SCatalogReq* pCatalogReq;
SMetaData meta;
} SParseQueryRes;
typedef struct SParseSqlRes {
SParseResType resType;
union {
SParseSchemaRes schemaRes;
SParseQueryRes queryRes;
};
} SParseSqlRes;
typedef int32_t (*parseSqlFn)(void*, const char*, const char*, bool, const char*, SParseSqlRes*);
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 void (*setQueryFn)(int64_t);
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;
const char* pEffectiveUser;
bool parseOnly;
bool isSuperUser;
bool enableSysInfo;
bool async;
bool hasInvisibleCol;
bool isView;
bool isAudit;
bool nodeOffline;
bool isStmtBind;
const char* svrVer;
SArray* pTableMetaPos; // sql table pos => catalog data pos
SArray* pTableVgroupPos; // sql table pos => catalog data pos
int64_t allocatorId;
parseSqlFn parseSqlFp;
void* parseSqlParam;
int8_t biMode;
SArray* pSubMetaList;
setQueryFn setQueryFp;
timezone_t timezone;
void *charsetCxt;
bool streamRunHistory;
} SParseContext;
int32_t qParseSql(SParseContext* pCxt, SQuery** pQuery);
bool qIsInsertValuesSql(const char* pStr, size_t length);
bool qParseDbName(const char* pStr, size_t length, char** pDbName);
// for async mode
int32_t qParseSqlSyntax(SParseContext* pCxt, SQuery** pQuery, struct SCatalogReq* pCatalogReq);
int32_t qAnalyseSqlSemantic(SParseContext* pCxt, const struct SCatalogReq* pCatalogReq,
struct SMetaData* pMetaData, SQuery* pQuery);
int32_t qContinueParseSql(SParseContext* pCxt, struct SCatalogReq* pCatalogReq, const struct SMetaData* pMetaData,
SQuery* pQuery);
int32_t qContinueParsePostQuery(SParseContext* pCxt, SQuery* pQuery, SSDataBlock* pBlock);
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);
int32_t qInitKeywordsTable();
void qCleanupKeywordsTable();
int32_t qAppendStmtTableOutput(SQuery* pQuery, SHashObj* pAllVgHash, STableColsData* pTbData, STableDataCxt* pTbCtx,
SStbInterlaceInfo* pBuildInfo, SVCreateTbReq* ctbReq);
int32_t qBuildStmtFinOutput(SQuery* pQuery, SHashObj* pAllVgHash, SArray* pVgDataBlocks);
// int32_t qBuildStmtOutputFromTbList(SQuery* pQuery, SHashObj* pVgHash, SArray* pBlockList, STableDataCxt* pTbCtx,
// int32_t tbNum);
int32_t qBuildStmtOutput(SQuery* pQuery, SHashObj* pVgHash, SHashObj* pBlockHash);
int32_t qResetStmtColumns(SArray* pCols, bool deepClear);
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, void *charsetCxt);
int32_t qStmtParseQuerySql(SParseContext* pCxt, SQuery* pQuery);
int32_t qBindStmtStbColsValue(void* pBlock, SArray* pCols, TAOS_MULTI_BIND* bind, char* msgBuf, int32_t msgBufLen,
STSchema** pTSchema, SBindInfo* pBindInfos, void* charsetCxt);
int32_t qBindStmtColsValue(void* pBlock, SArray* pCols, TAOS_MULTI_BIND* bind, char* msgBuf, int32_t msgBufLen, void* charsetCxt);
int32_t qBindStmtSingleColValue(void* pBlock, SArray* pCols, TAOS_MULTI_BIND* bind, char* msgBuf, int32_t msgBufLen,
int32_t colIdx, int32_t rowNum, void* charsetCxt);
int32_t qBuildStmtColFields(void* pDataBlock, int32_t* fieldNum, TAOS_FIELD_E** fields);
int32_t qBuildStmtStbColFields(void* pBlock, void* boundTags, uint8_t tbNameFlag, int32_t* fieldNum,
TAOS_FIELD_ALL** 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* charsetCxt);
int32_t qStmtBindParams2(SQuery* pQuery, TAOS_STMT2_BIND* pParams, int32_t colIdx, void* charsetCxt);
int32_t qBindStmtStbColsValue2(void* pBlock, SArray* pCols, TAOS_STMT2_BIND* bind, char* msgBuf, int32_t msgBufLen,
STSchema** pTSchema, SBindInfo2* pBindInfos, void *charsetCxt);
int32_t qBindStmtColsValue2(void* pBlock, SArray* pCols, TAOS_STMT2_BIND* bind, char* msgBuf, int32_t msgBufLen,
void* charsetCxt);
int32_t qBindStmtSingleColValue2(void* pBlock, SArray* pCols, TAOS_STMT2_BIND* bind, char* msgBuf, int32_t msgBufLen,
int32_t colIdx, int32_t rowNum, void* charsetCxt);
int32_t qBindStmt2RowValue(void* pBlock, SArray* pCols, TAOS_STMT2_BIND* bind, char* msgBuf, int32_t msgBufLen,
STSchema** pTSchema, SBindInfo2* pBindInfos, void* charsetCxt);
int32_t qBindStmtTagsValue2(void* pBlock, void* boundTags, int64_t suid, const char* sTableName, char* tName,
TAOS_STMT2_BIND* bind, char* msgBuf, int32_t msgBufLen, void* charsetCxt,
SVCreateTbReq* pCreateTbReq);
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);
int32_t smlInitHandle(SQuery** query);
int32_t smlBuildRow(STableDataCxt* pTableCxt);
int32_t smlBuildCol(STableDataCxt* pTableCxt, SSchema* schema, void* kv, int32_t index, void* charsetCxt);
int32_t smlInitTableDataCtx(SQuery* query, STableMeta* pTableMeta, STableDataCxt** cxt);
void clearColValArraySml(SArray* pCols);
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, void* charsetCxt);
int32_t smlBuildOutput(SQuery* handle, SHashObj* pVgHash);
int32_t smlBuildOutputRaw(SQuery* handle, SHashObj* pVgHash);
int rawBlockBindRawData(SHashObj* pVgroupHash, SArray* pVgroupList, STableMeta* pTableMeta, void* data);
int rawBlockBindData(SQuery* query, STableMeta* pTableMeta, void* data, SVCreateTbReq* pCreateTb, void* fields,
int numFields, bool needChangeLength, char* errstr, int32_t errstrLen, bool raw);
int32_t checkSchema(SSchema* pColSchema, SSchemaExt* pColExtSchema, int8_t* fields, char* errstr, int32_t errstrLen);
int32_t rewriteToVnodeModifyOpStmt(SQuery* pQuery, SArray* pBufArray);
int32_t serializeVgroupsCreateTableBatch(SHashObj* pVgroupHashmap, SArray** pOut);
int32_t serializeVgroupsDropTableBatch(SHashObj* pVgroupHashmap, SArray** pOut);
void destoryCatalogReq(SCatalogReq* pCatalogReq);
bool isPrimaryKeyImpl(SNode* pExpr);
int32_t insAppendStmtTableDataCxt(SHashObj* pAllVgHash, STableColsData* pTbData, STableDataCxt* pTbCtx,
SStbInterlaceInfo* pBuildInfo, SVCreateTbReq* ctbReq);
#ifdef __cplusplus
}
#endif
#endif /*_TD_PARSER_H_*/