/* * Copyright (c) 2019 TAOS Data, Inc. * * 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 . */ #ifndef TDENGINE_TSCUTIL_H #define TDENGINE_TSCUTIL_H #ifdef __cplusplus extern "C" { #endif /* * @date 2018/09/30 */ #include "exception.h" #include "os.h" #include "qExtbuffer.h" #include "taosdef.h" #include "tbuffer.h" #include "tscLocalMerge.h" #include "tsclient.h" #define UTIL_TABLE_IS_SUPER_TABLE(metaInfo) \ (((metaInfo)->pTableMeta != NULL) && ((metaInfo)->pTableMeta->tableType == TSDB_SUPER_TABLE)) #define UTIL_TABLE_IS_CHILD_TABLE(metaInfo) \ (((metaInfo)->pTableMeta != NULL) && ((metaInfo)->pTableMeta->tableType == TSDB_CHILD_TABLE)) #define UTIL_TABLE_IS_NORMAL_TABLE(metaInfo)\ (!(UTIL_TABLE_IS_SUPER_TABLE(metaInfo) || UTIL_TABLE_IS_CHILD_TABLE(metaInfo))) typedef struct SParsedColElem { int16_t colIndex; uint16_t offset; } SParsedColElem; typedef struct SParsedDataColInfo { int16_t numOfCols; int16_t numOfAssignedCols; SParsedColElem elems[TSDB_MAX_COLUMNS]; bool hasVal[TSDB_MAX_COLUMNS]; } SParsedDataColInfo; #pragma pack(push,1) // this struct is transfered as binary, padding two bytes to avoid // an 'uid' whose low bytes is 0xff being recoginized as NULL, // and set 'pack' to 1 to avoid break existing code. typedef struct STidTags { int16_t padding; int64_t uid; int32_t tid; int32_t vgId; char tag[]; } STidTags; #pragma pack(pop) typedef struct SJoinSupporter { SSqlObj* pObj; // parent SqlObj int32_t subqueryIndex; // index of sub query SInterval interval; SLimitVal limit; // limit info uint64_t uid; // query table uid SArray* colList; // previous query information, no need to use this attribute, and the corresponding attribution SArray* exprList; SFieldInfo fieldsInfo; STagCond tagCond; SSqlGroupbyExpr groupInfo; // group by info struct STSBuf* pTSBuf; // the TSBuf struct that holds the compressed timestamp array FILE* f; // temporary file in order to create TSBuf char path[PATH_MAX]; // temporary file path, todo dynamic allocate memory int32_t tagSize; // the length of each in the first filter stage char* pIdTagList; // result of first stage tags int32_t totalLen; int32_t num; SArray* pVgroupTables; } SJoinSupporter; typedef struct SVgroupTableInfo { SVgroupInfo vgInfo; SArray* itemList; //SArray } SVgroupTableInfo; static FORCE_INLINE SQueryInfo* tscGetQueryInfoDetail(SSqlCmd* pCmd, int32_t subClauseIndex) { assert(pCmd != NULL && subClauseIndex >= 0 && subClauseIndex < TSDB_MAX_UNION_CLAUSE); if (pCmd->pQueryInfo == NULL || subClauseIndex >= pCmd->numOfClause) { return NULL; } return pCmd->pQueryInfo[subClauseIndex]; } int32_t tscCreateDataBlock(size_t initialSize, int32_t rowSize, int32_t startOffset, const char* name, STableMeta* pTableMeta, STableDataBlocks** dataBlocks); void tscDestroyDataBlock(STableDataBlocks* pDataBlock); void tscSortRemoveDataBlockDupRows(STableDataBlocks* dataBuf); SParamInfo* tscAddParamToDataBlock(STableDataBlocks* pDataBlock, char type, uint8_t timePrec, int16_t bytes, uint32_t offset); void* tscDestroyBlockArrayList(SArray* pDataBlockList); int32_t tscCopyDataBlockToPayload(SSqlObj* pSql, STableDataBlocks* pDataBlock); int32_t tscMergeTableDataBlocks(SSqlObj* pSql, SArray* pDataList); int32_t tscGetDataBlockFromList(void* pHashList, SArray* pDataBlockList, int64_t id, int32_t size, int32_t startOffset, int32_t rowSize, const char* tableId, STableMeta* pTableMeta, STableDataBlocks** dataBlocks); /** * for the projection query on metric or point interpolation query on metric, * we iterate all the meters, instead of invoke query on all qualified meters simultaneously. * * @param pSql sql object * @return */ bool tscIsPointInterpQuery(SQueryInfo* pQueryInfo); bool tscIsTWAQuery(SQueryInfo* pQueryInfo); bool tscIsSecondStageQuery(SQueryInfo* pQueryInfo); bool tscNonOrderedProjectionQueryOnSTable(SQueryInfo *pQueryInfo, int32_t tableIndex); bool tscOrderedProjectionQueryOnSTable(SQueryInfo* pQueryInfo, int32_t tableIndex); bool tscIsProjectionQueryOnSTable(SQueryInfo* pQueryInfo, int32_t tableIndex); bool tscIsProjectionQuery(SQueryInfo* pQueryInfo); bool tscIsTwoStageSTableQuery(SQueryInfo* pQueryInfo, int32_t tableIndex); bool tscQueryTags(SQueryInfo* pQueryInfo); SSqlExpr* tscAddSpecialColumnForSelect(SQueryInfo* pQueryInfo, int32_t outputColIndex, int16_t functionId, SColumnIndex* pIndex, SSchema* pColSchema, int16_t colType); int32_t tscSetTableFullName(STableMetaInfo* pTableMetaInfo, SStrToken* pzTableName, SSqlObj* pSql); void tscClearInterpInfo(SQueryInfo* pQueryInfo); bool tscIsInsertData(char* sqlstr); /* use for keep current db info temporarily, for handle table with db prefix */ // todo remove it void tscGetDBInfoFromTableFullName(char* tableId, char* db); int tscAllocPayload(SSqlCmd* pCmd, int size); TAOS_FIELD tscCreateField(int8_t type, const char* name, int16_t bytes); SInternalField* tscFieldInfoAppend(SFieldInfo* pFieldInfo, TAOS_FIELD* pField); SInternalField* tscFieldInfoInsert(SFieldInfo* pFieldInfo, int32_t index, TAOS_FIELD* field); SInternalField* tscFieldInfoGetInternalField(SFieldInfo* pFieldInfo, int32_t index); TAOS_FIELD* tscFieldInfoGetField(SFieldInfo* pFieldInfo, int32_t index); void tscFieldInfoUpdateOffset(SQueryInfo* pQueryInfo); void tscFieldInfoUpdateOffset(SQueryInfo* pQueryInfo); int16_t tscFieldInfoGetOffset(SQueryInfo* pQueryInfo, int32_t index); void tscFieldInfoClear(SFieldInfo* pFieldInfo); static FORCE_INLINE int32_t tscNumOfFields(SQueryInfo* pQueryInfo) { return pQueryInfo->fieldsInfo.numOfOutput; } int32_t tscFieldInfoCompare(const SFieldInfo* pFieldInfo1, const SFieldInfo* pFieldInfo2); void addExprParams(SSqlExpr* pExpr, char* argument, int32_t type, int32_t bytes); int32_t tscGetResRowLength(SArray* pExprList); SSqlExpr* tscSqlExprInsert(SQueryInfo* pQueryInfo, int32_t index, int16_t functionId, SColumnIndex* pColIndex, int16_t type, int16_t size, int16_t resColId, int16_t interSize, bool isTagCol); SSqlExpr* tscSqlExprAppend(SQueryInfo* pQueryInfo, int16_t functionId, SColumnIndex* pColIndex, int16_t type, int16_t size, int16_t resColId, int16_t interSize, bool isTagCol); SSqlExpr* tscSqlExprUpdate(SQueryInfo* pQueryInfo, int32_t index, int16_t functionId, int16_t srcColumnIndex, int16_t type, int16_t size); size_t tscSqlExprNumOfExprs(SQueryInfo* pQueryInfo); SSqlExpr* tscSqlExprGet(SQueryInfo* pQueryInfo, int32_t index); int32_t tscSqlExprCopy(SArray* dst, const SArray* src, uint64_t uid, bool deepcopy); void tscSqlExprInfoDestroy(SArray* pExprInfo); SColumn* tscColumnClone(const SColumn* src); SColumn* tscColumnListInsert(SArray* pColList, SColumnIndex* colIndex); SArray* tscColumnListClone(const SArray* src, int16_t tableIndex); void tscColumnListDestroy(SArray* pColList); void tscDequoteAndTrimToken(SStrToken* pToken); int32_t tscValidateName(SStrToken* pToken); void tscIncStreamExecutionCount(void* pStream); bool tscValidateColumnId(STableMetaInfo* pTableMetaInfo, int32_t colId, int32_t numOfParams); // get starter position of metric query condition (query on tags) in SSqlCmd.payload SCond* tsGetSTableQueryCond(STagCond* pCond, uint64_t uid); void tsSetSTableQueryCond(STagCond* pTagCond, uint64_t uid, SBufferWriter* bw); int32_t tscTagCondCopy(STagCond* dest, const STagCond* src); void tscTagCondRelease(STagCond* pCond); void tscGetSrcColumnInfo(SSrcColumnInfo* pColInfo, SQueryInfo* pQueryInfo); bool tscShouldBeFreed(SSqlObj* pSql); STableMetaInfo* tscGetTableMetaInfoFromCmd(SSqlCmd *pCmd, int32_t subClauseIndex, int32_t tableIndex); STableMetaInfo* tscGetMetaInfo(SQueryInfo *pQueryInfo, int32_t tableIndex); SQueryInfo *tscGetQueryInfoDetail(SSqlCmd* pCmd, int32_t subClauseIndex); SQueryInfo *tscGetQueryInfoDetailSafely(SSqlCmd *pCmd, int32_t subClauseIndex); void tscClearTableMetaInfo(STableMetaInfo* pTableMetaInfo, bool removeFromCache); STableMetaInfo* tscAddTableMetaInfo(SQueryInfo* pQueryInfo, const char* name, STableMeta* pTableMeta, SVgroupsInfo* vgroupList, SArray* pTagCols, SArray* pVgroupTables); STableMetaInfo* tscAddEmptyMetaInfo(SQueryInfo *pQueryInfo); int32_t tscAddSubqueryInfo(SSqlCmd *pCmd); void tscInitQueryInfo(SQueryInfo* pQueryInfo); void tscClearSubqueryInfo(SSqlCmd* pCmd); void tscFreeVgroupTableInfo(SArray* pVgroupTables); SArray* tscVgroupTableInfoClone(SArray* pVgroupTables); void tscRemoveVgroupTableGroup(SArray* pVgroupTable, int32_t index); void tscVgroupTableCopy(SVgroupTableInfo* info, SVgroupTableInfo* pInfo); int tscGetSTableVgroupInfo(SSqlObj* pSql, int32_t clauseIndex); int tscGetTableMeta(SSqlObj* pSql, STableMetaInfo* pTableMetaInfo); int tscGetMeterMetaEx(SSqlObj* pSql, STableMetaInfo* pTableMetaInfo, bool createIfNotExists); void tscResetForNextRetrieve(SSqlRes* pRes); void tscDoQuery(SSqlObj* pSql); SVgroupsInfo* tscVgroupInfoClone(SVgroupsInfo *pInfo); void* tscVgroupInfoClear(SVgroupsInfo *pInfo); void tscSVgroupInfoCopy(SVgroupInfo* dst, const SVgroupInfo* src); /** * The create object function must be successful expect for the out of memory issue. * * Therefore, the metermeta/metricmeta object is directly passed to the newly created subquery object from the * previous sql object, instead of retrieving the metermeta/metricmeta from cache. * * Because the metermeta/metricmeta may have been released by other threads, resulting in the retrieving failed as * well as the create function. * * @param pSql * @param vnodeIndex * @param tableIndex * @param fp * @param param * @param pPrevSql * @return */ SSqlObj* createSimpleSubObj(SSqlObj* pSql, void (*fp)(), void* param, int32_t cmd); void registerSqlObj(SSqlObj* pSql); SSqlObj* createSubqueryObj(SSqlObj* pSql, int16_t tableIndex, void (*fp)(), void* param, int32_t cmd, SSqlObj* pPrevSql); void addGroupInfoForSubquery(SSqlObj* pParentObj, SSqlObj* pSql, int32_t subClauseIndex, int32_t tableIndex); void doAddGroupColumnForSubquery(SQueryInfo* pQueryInfo, int32_t tagIndex); int16_t tscGetJoinTagColIdByUid(STagCond* pTagCond, uint64_t uid); int16_t tscGetTagColIndexById(STableMeta* pTableMeta, int16_t colId); void tscPrintSelectClause(SSqlObj* pSql, int32_t subClauseIndex); bool hasMoreVnodesToTry(SSqlObj *pSql); bool hasMoreClauseToTry(SSqlObj* pSql); void tscTryQueryNextVnode(SSqlObj *pSql, __async_cb_func_t fp); void tscAsyncQuerySingleRowForNextVnode(void *param, TAOS_RES *tres, int numOfRows); void tscTryQueryNextClause(SSqlObj* pSql, __async_cb_func_t fp); int tscSetMgmtEpSetFromCfg(const char *first, const char *second); bool tscSetSqlOwner(SSqlObj* pSql); void tscClearSqlOwner(SSqlObj* pSql); int32_t doArithmeticCalculate(SQueryInfo* pQueryInfo, tFilePage* pOutput, int32_t rowSize, int32_t finalRowSize); void* malloc_throw(size_t size); void* calloc_throw(size_t nmemb, size_t size); char* strdup_throw(const char* str); #ifdef __cplusplus } #endif #endif // TDENGINE_TSCUTIL_H