homework-jianmu/include/libs/executor/storageapi.h

561 lines
24 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 TDENGINE_STORAGEAPI_H
#define TDENGINE_STORAGEAPI_H
#include "function.h"
#include "index.h"
#include "taosdef.h"
#include "tcommon.h"
#include "tmsg.h"
#include "tscalablebf.h"
#include "tsimplehash.h"
#ifdef __cplusplus
extern "C" {
#endif
#define TIMEWINDOW_RANGE_CONTAINED 1
#define TIMEWINDOW_RANGE_EXTERNAL 2
#define CACHESCAN_RETRIEVE_TYPE_ALL 0x1
#define CACHESCAN_RETRIEVE_TYPE_SINGLE 0x2
#define CACHESCAN_RETRIEVE_LAST_ROW 0x4
#define CACHESCAN_RETRIEVE_LAST 0x8
#define META_READER_LOCK 0x0
#define META_READER_NOLOCK 0x1
#define STREAM_STATE_BUFF_HASH 1
#define STREAM_STATE_BUFF_SORT 2
#define STREAM_STATE_BUFF_HASH_SORT 3
#define STREAM_STATE_BUFF_HASH_SEARCH 4
typedef struct SMeta SMeta;
typedef TSKEY (*GetTsFun)(void*);
typedef struct SMetaEntry {
int64_t version;
int8_t type;
int8_t flags; // TODO: need refactor?
tb_uid_t uid;
char* name;
union {
struct {
SSchemaWrapper schemaRow;
SSchemaWrapper schemaTag;
SRSmaParam rsmaParam;
int64_t keep;
} stbEntry;
struct {
int64_t btime;
int32_t ttlDays;
int32_t commentLen; // not include '\0'
char* comment;
tb_uid_t suid;
uint8_t* pTags;
} ctbEntry;
struct {
int64_t btime;
int32_t ttlDays;
int32_t commentLen;
char* comment;
int32_t ncid; // next column id
SSchemaWrapper schemaRow;
} ntbEntry;
struct {
STSma* tsma;
} smaEntry;
};
uint8_t* pBuf;
SColCmprWrapper colCmpr; // col compress alg
SExtSchema* pExtSchemas;
} SMetaEntry;
typedef struct SMetaReader {
int32_t flags;
void* pMeta;
SDecoder coder;
SMetaEntry me;
void* pBuf;
int32_t szBuf;
struct SStoreMeta* pAPI;
} SMetaReader;
typedef struct SMTbCursor {
void* pMeta;
void* pDbc;
void* pKey;
void* pVal;
int32_t kLen;
int32_t vLen;
SMetaReader mr;
int8_t paused;
} SMTbCursor;
typedef struct SMCtbCursor {
struct SMeta* pMeta;
void* pCur;
tb_uid_t suid;
void* pKey;
void* pVal;
int kLen;
int vLen;
int8_t paused;
int lock;
} SMCtbCursor;
typedef struct SRowBuffPos {
void* pRowBuff;
void* pKey;
bool beFlushed;
bool beUsed;
bool needFree;
bool beUpdated;
bool invalid;
} SRowBuffPos;
// tq
typedef struct SMetaTableInfo {
int64_t suid;
int64_t uid;
SSchemaWrapper* schema;
char tbName[TSDB_TABLE_NAME_LEN];
} SMetaTableInfo;
static FORCE_INLINE void destroyMetaTableInfo(SMetaTableInfo* mtInfo){
if (mtInfo == NULL) return;
tDeleteSchemaWrapper(mtInfo->schema);
}
typedef struct SSnapContext {
struct SMeta* pMeta;
int64_t snapVersion;
void* pCur;
int64_t suid;
int8_t subType;
SHashObj* idVersion;
SHashObj* suidInfo;
SArray* idList;
int32_t index;
int8_t withMeta;
int8_t queryMeta; // true-get meta, false-get data
bool hasPrimaryKey;
} SSnapContext;
typedef struct {
int64_t uid;
int64_t ctbNum;
int32_t colNum;
int64_t keep;
} SMetaStbStats;
// clang-format off
/*-------------------------------------------------new api format---------------------------------------------------*/
typedef enum {
TSD_READER_NOTIFY_DURATION_START,
TSD_READER_NOTIFY_NEXT_DURATION_BLOCK,
} ETsdReaderNotifyType;
typedef union {
struct {
int32_t filesetId;
} duration;
} STsdReaderNotifyInfo;
typedef void (*TsdReaderNotifyCbFn)(ETsdReaderNotifyType type, STsdReaderNotifyInfo* info, void* param);
struct SFileSetReader;
typedef struct TsdReader {
int32_t (*tsdReaderOpen)(void* pVnode, SQueryTableDataCond* pCond, void* pTableList, int32_t numOfTables,
SSDataBlock* pResBlock, void** ppReader, const char* idstr, SHashObj** pIgnoreTables);
void (*tsdReaderClose)();
int32_t (*tsdSetReaderTaskId)(void *pReader, const char *pId);
int32_t (*tsdSetQueryTableList)();
int32_t (*tsdNextDataBlock)();
int32_t (*tsdReaderRetrieveBlockSMAInfo)();
int32_t (*tsdReaderRetrieveDataBlock)();
void (*tsdReaderReleaseDataBlock)();
int32_t (*tsdReaderResetStatus)();
int32_t (*tsdReaderGetDataBlockDistInfo)();
int64_t (*tsdReaderGetNumOfInMemRows)();
void (*tsdReaderNotifyClosing)();
void (*tsdSetFilesetDelimited)(void* pReader);
void (*tsdSetSetNotifyCb)(void* pReader, TsdReaderNotifyCbFn notifyFn, void* param);
// for fileset query
int32_t (*fileSetReaderOpen)(void *pVnode, struct SFileSetReader **ppReader);
int32_t (*fileSetReadNext)(struct SFileSetReader *);
int32_t (*fileSetGetEntryField)(struct SFileSetReader *, const char *, void *);
void (*fileSetReaderClose)(struct SFileSetReader **);
int32_t (*getProgress)(const void* pReader, void** pBuf, uint64_t* pLen);
int32_t (*setProgress)(void *pReader, const void *pBuf, uint64_t len);
} TsdReader;
typedef struct SStoreCacheReader {
int32_t (*openReader)(void *pVnode, int32_t type, void *pTableIdList, int32_t numOfTables, int32_t numOfCols,
SArray *pCidList, int32_t *pSlotIds, uint64_t suid, void **pReader, const char *idstr,
SArray *pFuncTypeList, SColumnInfo* pPkCol, int32_t numOfPks);
void (*closeReader)(void *pReader);
int32_t (*retrieveRows)(void *pReader, SSDataBlock *pResBlock, const int32_t *slotIds, const int32_t *dstSlotIds,
SArray *pTableUidList, bool* pGotAllRows);
int32_t (*reuseReader)(void *pReader, void *pTableIdList, int32_t numOfTables);
} SStoreCacheReader;
// clang-format on
/*------------------------------------------------------------------------------------------------------------------*/
// todo rename
typedef struct SStoreTqReader {
struct STqReader* (*tqReaderOpen)();
void (*tqReaderClose)();
int32_t (*tqReaderSeek)();
int32_t (*tqRetrieveBlock)();
bool (*tqReaderNextBlockInWal)();
bool (*tqNextBlockImpl)(); // todo remove it
SSDataBlock* (*tqGetResultBlock)();
int64_t (*tqGetResultBlockTime)();
int32_t (*tqGetStreamExecProgress)();
void (*tqReaderSetColIdList)();
void (*tqReaderSetQueryTableList)();
void (*tqReaderAddTables)();
void (*tqReaderRemoveTables)();
void (*tqSetTablePrimaryKey)();
bool (*tqGetTablePrimaryKey)();
bool (*tqReaderIsQueriedTable)();
bool (*tqReaderCurrentBlockConsumed)();
struct SWalReader* (*tqReaderGetWalReader)(); // todo remove it
// int32_t (*tqReaderRetrieveTaosXBlock)(); // todo remove it
int32_t (*tqReaderSetSubmitMsg)(); // todo remove it
// bool (*tqReaderNextBlockFilterOut)();
} SStoreTqReader;
typedef struct SStoreSnapshotFn {
bool (*taosXGetTablePrimaryKey)(SSnapContext* ctx);
void (*taosXSetTablePrimaryKey)(SSnapContext* ctx, int64_t uid);
int32_t (*setForSnapShot)(SSnapContext* ctx, int64_t uid);
void (*destroySnapshot)(SSnapContext* ctx);
int32_t (*getMetaTableInfoFromSnapshot)(SSnapContext* ctx, SMetaTableInfo* info);
int32_t (*getTableInfoFromSnapshot)(SSnapContext* ctx, void** pBuf, int32_t* contLen, int16_t* type, int64_t* uid);
} SStoreSnapshotFn;
typedef struct SStoreMeta {
SMTbCursor* (*openTableMetaCursor)(void* pVnode); // metaOpenTbCursor
void (*closeTableMetaCursor)(SMTbCursor* pTbCur); // metaCloseTbCursor
void (*pauseTableMetaCursor)(SMTbCursor* pTbCur); // metaPauseTbCursor
int32_t (*resumeTableMetaCursor)(SMTbCursor* pTbCur, int8_t first, int8_t move); // metaResumeTbCursor
int32_t (*cursorNext)(SMTbCursor* pTbCur, ETableType jumpTableType); // metaTbCursorNext
int32_t (*cursorPrev)(SMTbCursor* pTbCur, ETableType jumpTableType); // metaTbCursorPrev
int32_t (*getTableTags)(void* pVnode, uint64_t suid, SArray* uidList);
int32_t (*getTableTagsByUid)(void* pVnode, int64_t suid, SArray* uidList);
const void* (*extractTagVal)(const void* tag, int16_t type, STagVal* tagVal); // todo remove it
int32_t (*getTableUidByName)(void* pVnode, char* tbName, uint64_t* uid);
int32_t (*getTableTypeSuidByName)(void* pVnode, char* tbName, ETableType* tbType, uint64_t* suid);
int32_t (*getTableNameByUid)(void* pVnode, uint64_t uid, char* tbName);
bool (*isTableExisted)(void* pVnode, tb_uid_t uid);
int32_t (*metaGetCachedTbGroup)(void* pVnode, tb_uid_t suid, const uint8_t* pKey, int32_t keyLen, SArray** pList);
int32_t (*metaPutTbGroupToCache)(void* pVnode, uint64_t suid, const void* pKey, int32_t keyLen, void* pPayload,
int32_t payloadLen);
int32_t (*getCachedTableList)(void* pVnode, tb_uid_t suid, const uint8_t* pKey, int32_t keyLen, SArray* pList1,
bool* acquireRes);
int32_t (*putCachedTableList)(void* pVnode, uint64_t suid, const void* pKey, int32_t keyLen, void* pPayload,
int32_t payloadLen, double selectivityRatio);
void* (*storeGetIndexInfo)(void* pVnode);
void* (*getInvertIndex)(void* pVnode);
// support filter and non-filter cases. [vnodeGetCtbIdList & vnodeGetCtbIdListByFilter]
int32_t (*getChildTableList)(void* pVnode, int64_t suid, SArray* list);
int32_t (*storeGetTableList)(void* pVnode, int8_t type, SArray* pList);
int32_t (*getTableSchema)(void* pVnode, int64_t uid, STSchema** pSchema, int64_t* suid);
int32_t (*getNumOfChildTables)(void* pVnode, int64_t uid, int64_t* numOfTables, int32_t* numOfCols);
void (*getBasicInfo)(void* pVnode, const char** dbname, int32_t* vgId, int64_t* numOfTables,
int64_t* numOfNormalTables);
int32_t (*getDBSize)(void* pVnode, SDbSizeStatisInfo* pInfo);
SMCtbCursor* (*openCtbCursor)(void* pVnode, tb_uid_t uid, int lock);
int32_t (*resumeCtbCursor)(SMCtbCursor* pCtbCur, int8_t first);
void (*pauseCtbCursor)(SMCtbCursor* pCtbCur);
void (*closeCtbCursor)(SMCtbCursor* pCtbCur);
tb_uid_t (*ctbCursorNext)(SMCtbCursor* pCur);
} SStoreMeta;
typedef struct SStoreMetaReader {
void (*initReader)(SMetaReader* pReader, void* pVnode, int32_t flags, SStoreMeta* pAPI);
void (*clearReader)(SMetaReader* pReader);
void (*readerReleaseLock)(SMetaReader* pReader);
int32_t (*getTableEntryByUid)(SMetaReader* pReader, tb_uid_t uid);
int32_t (*getTableEntryByName)(SMetaReader* pReader, const char* name);
int32_t (*getEntryGetUidCache)(SMetaReader* pReader, tb_uid_t uid);
} SStoreMetaReader;
typedef struct SUpdateInfo {
SArray* pTsBuckets;
uint64_t numBuckets;
SArray* pTsSBFs;
uint64_t numSBFs;
int64_t interval;
int64_t watermark;
TSKEY minTS;
SScalableBf* pCloseWinSBF;
SHashObj* pMap;
int64_t maxDataVersion;
int8_t pkColType;
int32_t pkColLen;
char* pKeyBuff;
char* pValueBuff;
int (*comparePkRowFn)(void* pValue1, void* pTs, void* pPkVal, __compar_fn_t cmpPkFn);
__compar_fn_t comparePkCol;
} SUpdateInfo;
typedef struct SRecDataInfo {
STimeWindow calWin;
uint64_t tableUid;
int64_t dataVersion;
EStreamType mode;
char pPkColData[];
} SRecDataInfo;
typedef struct SScanRange {
STimeWindow win;
STimeWindow calWin;
SSHashObj* pGroupIds;
SSHashObj* pUIds;
} SScanRange;
typedef struct SResultWindowInfo {
SRowBuffPos* pStatePos;
SSessionKey sessionWin;
bool isOutput;
} SResultWindowInfo;
typedef struct {
void* iter; // rocksdb_iterator_t* iter;
void* snapshot; // rocksdb_snapshot_t* snapshot;
void* readOpt; // rocksdb_readoptions_t* readOpt;
void* db; // rocksdb_t* db;
void* pCur;
int64_t number;
void* pStreamFileState;
int32_t buffIndex;
int32_t hashIter;
void* pHashData;
int64_t minGpId;
} SStreamStateCur;
typedef struct STableTsDataState {
SSHashObj* pTableTsDataMap;
__compar_fn_t comparePkColFn;
void* pPkValBuff;
int32_t pkValLen;
SStreamState* pState;
int32_t curRecId;
void* pStreamTaskState;
SArray* pScanRanges;
SRecDataInfo* pRecValueBuff;
int32_t recValueLen;
SStreamStateCur* pRecCur;
int32_t cfgIndex;
void* pBatch;
int32_t batchBufflen;
void* pBatchBuff;
} STableTsDataState;
typedef struct SStateStore {
int32_t (*streamStatePutParName)(SStreamState* pState, int64_t groupId, const char* tbname);
int32_t (*streamStateGetParName)(SStreamState* pState, int64_t groupId, void** pVal, bool onlyCache,
int32_t* pWinCode);
int32_t (*streamStateDeleteParName)(SStreamState* pState, int64_t groupId);
void (*streamStateSetParNameInvalid)(SStreamState* pState);
int32_t (*streamStateAddIfNotExist)(SStreamState* pState, const SWinKey* pKey, void** pVal, int32_t* pVLen,
int32_t* pWinCode);
void (*streamStateReleaseBuf)(SStreamState* pState, void* pVal, bool used);
void (*streamStateClearBuff)(SStreamState* pState, void* pVal);
void (*streamStateFreeVal)(void* val);
int32_t (*streamStateGetPrev)(SStreamState* pState, const SWinKey* pKey, SWinKey* pResKey, void** pVal,
int32_t* pVLen, int32_t* pWinCode);
int32_t (*streamStateGetAllPrev)(SStreamState* pState, const SWinKey* pKey, SArray* pResArray, int32_t maxNum);
int32_t (*streamStatePut)(SStreamState* pState, const SWinKey* key, const void* value, int32_t vLen);
int32_t (*streamStateGet)(SStreamState* pState, const SWinKey* key, void** pVal, int32_t* pVLen, int32_t* pWinCode);
bool (*streamStateCheck)(SStreamState* pState, const SWinKey* key, bool hasLimit, bool* pIsLast);
bool (*streamStateCheckSessionState)(SStreamState* pState, SSessionKey* pKey, TSKEY gap, bool* pIsLast);
int32_t (*streamStateGetByPos)(SStreamState* pState, void* pos, void** pVal);
void (*streamStateDel)(SStreamState* pState, const SWinKey* key);
void (*streamStateDelByGroupId)(SStreamState* pState, uint64_t groupId);
void (*streamStateClear)(SStreamState* pState);
void (*streamStateSetNumber)(SStreamState* pState, int32_t number, int32_t tsIdex);
void (*streamStateSaveInfo)(SStreamState* pState, void* pKey, int32_t keyLen, void* pVal, int32_t vLen);
int32_t (*streamStateGetInfo)(SStreamState* pState, void* pKey, int32_t keyLen, void** pVal, int32_t* pLen);
int32_t (*streamStateGetNumber)(SStreamState* pState);
int32_t (*streamStateDeleteInfo)(SStreamState* pState, void* pKey, int32_t keyLen);
int32_t (*streamStateFillPut)(SStreamState* pState, const SWinKey* key, const void* value, int32_t vLen);
int32_t (*streamStateFillGet)(SStreamState* pState, const SWinKey* key, void** pVal, int32_t* pVLen,
int32_t* pWinCode);
int32_t (*streamStateFillAddIfNotExist)(SStreamState* pState, const SWinKey* key, void** pVal, int32_t* pVLen,
int32_t* pWinCode);
void (*streamStateFillDel)(SStreamState* pState, const SWinKey* key);
int32_t (*streamStateFillGetNext)(SStreamState* pState, const SWinKey* pKey, SWinKey* pResKey, void** pVal,
int32_t* pVLen, int32_t* pWinCode);
int32_t (*streamStateFillGetPrev)(SStreamState* pState, const SWinKey* pKey, SWinKey* pResKey, void** pVal,
int32_t* pVLen, int32_t* pWinCode);
void (*streamStateCurNext)(SStreamState* pState, SStreamStateCur* pCur);
void (*streamStateCurPrev)(SStreamState* pState, SStreamStateCur* pCur);
SStreamStateCur* (*streamStateGetAndCheckCur)(SStreamState* pState, SWinKey* key);
SStreamStateCur* (*streamStateSeekKeyNext)(SStreamState* pState, const SWinKey* key);
SStreamStateCur* (*streamStateFillSeekKeyNext)(SStreamState* pState, const SWinKey* key);
SStreamStateCur* (*streamStateFillSeekKeyPrev)(SStreamState* pState, const SWinKey* key);
void (*streamStateFreeCur)(SStreamStateCur* pCur);
int32_t (*streamStateFillGetGroupKVByCur)(SStreamStateCur* pCur, SWinKey* pKey, const void** pVal, int32_t* pVLen);
int32_t (*streamStateGetKVByCur)(SStreamStateCur* pCur, SWinKey* pKey, const void** pVal, int32_t* pVLen);
void (*streamStateClearExpiredState)(SStreamState* pState, int32_t numOfKeep, TSKEY minTs);
void (*streamStateClearExpiredSessionState)(SStreamState* pState, int32_t numOfKeep, TSKEY minTs, SSHashObj* pFlushGroup);
int32_t (*streamStateSetRecFlag)(SStreamState* pState, const void* pKey, int32_t keyLen, int32_t mode);
int32_t (*streamStateGetRecFlag)(SStreamState* pState, const void* pKey, int32_t keyLen, int32_t* pMode);
int32_t (*streamStateSessionAddIfNotExist)(SStreamState* pState, SSessionKey* key, TSKEY gap, void** pVal,
int32_t* pVLen, int32_t* pWinCode);
int32_t (*streamStateSessionPut)(SStreamState* pState, const SSessionKey* key, void* value, int32_t vLen);
int32_t (*streamStateSessionGet)(SStreamState* pState, SSessionKey* key, void** pVal, int32_t* pVLen,
int32_t* pWinCode);
void (*streamStateSessionDel)(SStreamState* pState, const SSessionKey* key);
void (*streamStateSessionReset)(SStreamState* pState, void* pVal);
void (*streamStateSessionClear)(SStreamState* pState);
int32_t (*streamStateSessionGetKVByCur)(SStreamStateCur* pCur, SSessionKey* pKey, void** pVal, int32_t* pVLen);
int32_t (*streamStateStateAddIfNotExist)(SStreamState* pState, SSessionKey* key, char* pKeyData, int32_t keyDataLen,
state_key_cmpr_fn fn, void** pVal, int32_t* pVLen, int32_t* pWinCode);
int32_t (*streamStateSessionGetKeyByRange)(SStreamState* pState, const SSessionKey* range, SSessionKey* curKey);
int32_t (*streamStateCountGetKeyByRange)(SStreamState* pState, const SSessionKey* range, SSessionKey* curKey);
int32_t (*streamStateSessionAllocWinBuffByNextPosition)(SStreamState* pState, SStreamStateCur* pCur,
const SSessionKey* pKey, void** pVal, int32_t* pVLen);
int32_t (*streamStateSessionSaveToDisk)(STableTsDataState* pTblState, SSessionKey* pKey, SRecDataInfo* pVal, int32_t vLen);
int32_t (*streamStateFlushReaminInfoToDisk)(STableTsDataState* pTblState);
int32_t (*streamStateSessionDeleteAll)(SStreamState* pState);
int32_t (*streamStateCountWinAddIfNotExist)(SStreamState* pState, SSessionKey* pKey, COUNT_TYPE winCount,
void** ppVal, int32_t* pVLen, int32_t* pWinCode);
int32_t (*streamStateCountWinAdd)(SStreamState* pState, SSessionKey* pKey, COUNT_TYPE winCount, void** pVal,
int32_t* pVLen);
int32_t (*updateInfoInit)(int64_t interval, int32_t precision, int64_t watermark, bool igUp, int8_t pkType,
int32_t pkLen, SUpdateInfo** ppInfo);
int32_t (*updateInfoFillBlockData)(SUpdateInfo* pInfo, SSDataBlock* pBlock, int32_t primaryTsCol,
int32_t primaryKeyCol, TSKEY* pMaxResTs);
bool (*updateInfoIsUpdated)(SUpdateInfo* pInfo, uint64_t tableId, TSKEY ts, void* pPkVal, int32_t len);
bool (*updateInfoIsTableInserted)(SUpdateInfo* pInfo, int64_t tbUid);
bool (*isIncrementalTimeStamp)(SUpdateInfo* pInfo, uint64_t tableId, TSKEY ts, void* pPkVal, int32_t len);
void (*updateInfoDestroy)(SUpdateInfo* pInfo);
void (*windowSBfDelete)(SUpdateInfo* pInfo, uint64_t count);
int32_t (*windowSBfAdd)(SUpdateInfo* pInfo, uint64_t count);
int32_t (*updateInfoInitP)(SInterval* pInterval, int64_t watermark, bool igUp, int8_t pkType, int32_t pkLen,
SUpdateInfo** ppInfo);
void (*updateInfoAddCloseWindowSBF)(SUpdateInfo* pInfo);
void (*updateInfoDestoryColseWinSBF)(SUpdateInfo* pInfo);
int32_t (*updateInfoSerialize)(SEncoder* pEncoder, const SUpdateInfo* pInfo);
int32_t (*updateInfoDeserialize)(SDecoder* pDeCoder, SUpdateInfo* pInfo);
SStreamStateCur* (*streamStateSessionSeekKeyPrev)(SStreamState* pState, const SSessionKey* key);
SStreamStateCur* (*streamStateSessionSeekKeyNext)(SStreamState* pState, const SSessionKey* key);
SStreamStateCur* (*streamStateCountSeekKeyPrev)(SStreamState* pState, const SSessionKey* pKey, COUNT_TYPE count);
SStreamStateCur* (*streamStateSessionSeekKeyCurrentPrev)(SStreamState* pState, const SSessionKey* key);
SStreamStateCur* (*streamStateSessionSeekKeyCurrentNext)(SStreamState* pState, const SSessionKey* key);
int32_t (*streamFileStateInit)(int64_t memSize, uint32_t keySize, uint32_t rowSize, uint32_t selectRowSize,
GetTsFun fp, void* pFile, TSKEY delMark, const char* id, int64_t ckId, int8_t type,
struct SStreamFileState** ppFileState);
int32_t (*streamStateGroupPut)(SStreamState* pState, int64_t groupId, void* value, int32_t vLen);
SStreamStateCur* (*streamStateGroupGetCur)(SStreamState* pState);
void (*streamStateGroupCurNext)(SStreamStateCur* pCur);
int32_t (*streamStateGroupGetKVByCur)(SStreamStateCur* pCur, int64_t* pKey, void** pVal, int32_t* pVLen);
void (*streamFileStateDestroy)(struct SStreamFileState* pFileState);
void (*streamFileStateClear)(struct SStreamFileState* pFileState);
bool (*needClearDiskBuff)(struct SStreamFileState* pFileState);
SStreamState* (*streamStateOpen)(const char* path, void* pTask, int64_t streamId, int32_t taskId);
SStreamState* (*streamStateRecalatedOpen)(const char* path, void* pTask, int64_t streamId, int32_t taskId);
void (*streamStateClose)(SStreamState* pState, bool remove);
int32_t (*streamStateBegin)(SStreamState* pState);
void (*streamStateCommit)(SStreamState* pState);
void (*streamStateDestroy)(SStreamState* pState, bool remove);
void (*streamStateReloadInfo)(SStreamState* pState, TSKEY ts);
void (*streamStateCopyBackend)(SStreamState* src, SStreamState* dst);
int32_t (*streamStateGetAndSetTsData)(STableTsDataState* pState, uint64_t tableUid, TSKEY* pCurTs, void** ppCurPkVal,
TSKEY lastTs, void* pLastPkVal, int32_t lastPkLen, int32_t* pWinCode);
int32_t (*streamStateTsDataCommit)(STableTsDataState* pState);
int32_t (*streamStateInitTsDataState)(STableTsDataState** ppTsDataState, int8_t pkType, int32_t pkLen, void* pState, void* pOtherState);
void (*streamStateDestroyTsDataState)(STableTsDataState* pTsDataState);
int32_t (*streamStateRecoverTsData)(STableTsDataState* pTsDataState);
int32_t (*streamStateReloadTsDataState)(STableTsDataState* pTsDataState);
int32_t (*streamStateMergeAndSaveScanRange)(STableTsDataState* pTsDataState, STimeWindow* pWin, uint64_t gpId,
SRecDataInfo* pRecData, int32_t len);
int32_t (*streamStateMergeAllScanRange)(STableTsDataState* pTsDataState);
int32_t (*streamStatePopScanRange)(STableTsDataState* pTsDataState, SScanRange* pRange);
SStreamStateCur* (*streamStateGetLastStateCur)(SStreamState* pState);
void (*streamStateLastStateCurNext)(SStreamStateCur* pCur);
int32_t (*streamStateNLastStateGetKVByCur)(SStreamStateCur* pCur, int32_t num, SArray* pRes);
SStreamStateCur* (*streamStateGetLastSessionStateCur)(SStreamState* pState);
void (*streamStateLastSessionStateCurNext)(SStreamStateCur* pCur);
int32_t (*streamStateNLastSessionStateGetKVByCur)(SStreamStateCur* pCur, int32_t num, SArray* pRes);
} SStateStore;
typedef struct SStorageAPI {
SStoreMeta metaFn; // todo: refactor
TsdReader tsdReader;
SStoreMetaReader metaReaderFn;
SStoreCacheReader cacheFn;
SStoreSnapshotFn snapshotFn;
SStoreTqReader tqReaderFn;
SStateStore stateStore;
SMetaDataFilterAPI metaFilter;
SFunctionStateStore functionStore;
} SStorageAPI;
#ifdef __cplusplus
}
#endif
#endif // TDENGINE_STORAGEAPI_H