/* * 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 . */ #include "tsdb.h" int32_t tsdbOpenCache(STsdb *pTsdb) { int32_t code = 0; SLRUCache *pCache = NULL; size_t cfgCapacity = pTsdb->pVnode->config.cacheLastSize * 1024 * 1024; pCache = taosLRUCacheInit(cfgCapacity, -1, .5); if (pCache == NULL) { code = TSDB_CODE_OUT_OF_MEMORY; goto _err; } taosLRUCacheSetStrictCapacity(pCache, true); taosThreadMutexInit(&pTsdb->lruMutex, NULL); _err: pTsdb->lruCache = pCache; return code; } void tsdbCloseCache(STsdb *pTsdb) { SLRUCache *pCache = pTsdb->lruCache; if (pCache) { taosLRUCacheEraseUnrefEntries(pCache); taosLRUCacheCleanup(pCache); taosThreadMutexDestroy(&pTsdb->lruMutex); } } static void getTableCacheKey(tb_uid_t uid, int cacheType, char *key, int *len) { if (cacheType == 0) { // last_row *(uint64_t *)key = (uint64_t)uid; } else { // last *(uint64_t *)key = ((uint64_t)uid) | 0x8000000000000000; } *len = sizeof(uint64_t); } static void deleteTableCacheLast(const void *key, size_t keyLen, void *value) { taosArrayDestroy(value); } int32_t tsdbCacheDeleteLastrow(SLRUCache *pCache, tb_uid_t uid, TSKEY eKey) { int32_t code = 0; char key[32] = {0}; int keyLen = 0; // getTableCacheKey(uid, "lr", key, &keyLen); getTableCacheKey(uid, 0, key, &keyLen); LRUHandle *h = taosLRUCacheLookup(pCache, key, keyLen); if (h) { SArray *pLast = (SArray *)taosLRUCacheValue(pCache, h); bool invalidate = false; int16_t nCol = taosArrayGetSize(pLast); for (int16_t iCol = 0; iCol < nCol; ++iCol) { SLastCol *tTsVal = (SLastCol *)taosArrayGet(pLast, iCol); if (eKey >= tTsVal->ts) { invalidate = true; break; } } if (invalidate) { taosLRUCacheRelease(pCache, h, true); } else { taosLRUCacheRelease(pCache, h, false); } // void taosLRUCacheErase(SLRUCache * cache, const void *key, size_t keyLen); } return code; } int32_t tsdbCacheDeleteLast(SLRUCache *pCache, tb_uid_t uid, TSKEY eKey) { int32_t code = 0; char key[32] = {0}; int keyLen = 0; // getTableCacheKey(uid, "l", key, &keyLen); getTableCacheKey(uid, 1, key, &keyLen); LRUHandle *h = taosLRUCacheLookup(pCache, key, keyLen); if (h) { SArray *pLast = (SArray *)taosLRUCacheValue(pCache, h); bool invalidate = false; int16_t nCol = taosArrayGetSize(pLast); for (int16_t iCol = 0; iCol < nCol; ++iCol) { SLastCol *tTsVal = (SLastCol *)taosArrayGet(pLast, iCol); if (eKey >= tTsVal->ts) { invalidate = true; break; } } if (invalidate) { taosLRUCacheRelease(pCache, h, true); } else { taosLRUCacheRelease(pCache, h, false); } // void taosLRUCacheErase(SLRUCache * cache, const void *key, size_t keyLen); } return code; } int32_t tsdbCacheDelete(SLRUCache *pCache, tb_uid_t uid, TSKEY eKey) { int32_t code = 0; char key[32] = {0}; int keyLen = 0; // getTableCacheKey(uid, "lr", key, &keyLen); getTableCacheKey(uid, 0, key, &keyLen); LRUHandle *h = taosLRUCacheLookup(pCache, key, keyLen); if (h) { SArray *pLast = (SArray *)taosLRUCacheValue(pCache, h); bool invalidate = false; int16_t nCol = taosArrayGetSize(pLast); for (int16_t iCol = 0; iCol < nCol; ++iCol) { SLastCol *tTsVal = (SLastCol *)taosArrayGet(pLast, iCol); if (eKey >= tTsVal->ts) { invalidate = true; break; } } if (invalidate) { taosLRUCacheRelease(pCache, h, true); } else { taosLRUCacheRelease(pCache, h, false); } } // getTableCacheKey(uid, "l", key, &keyLen); getTableCacheKey(uid, 1, key, &keyLen); h = taosLRUCacheLookup(pCache, key, keyLen); if (h) { SArray *pLast = (SArray *)taosLRUCacheValue(pCache, h); bool invalidate = false; int16_t nCol = taosArrayGetSize(pLast); for (int16_t iCol = 0; iCol < nCol; ++iCol) { SLastCol *tTsVal = (SLastCol *)taosArrayGet(pLast, iCol); if (eKey >= tTsVal->ts) { invalidate = true; break; } } if (invalidate) { taosLRUCacheRelease(pCache, h, true); } else { taosLRUCacheRelease(pCache, h, false); } // void taosLRUCacheErase(SLRUCache * cache, const void *key, size_t keyLen); } return code; } int32_t tsdbCacheInsertLastrow(SLRUCache *pCache, STsdb *pTsdb, tb_uid_t uid, STSRow *row, bool dup) { int32_t code = 0; STSRow *cacheRow = NULL; char key[32] = {0}; int keyLen = 0; // getTableCacheKey(uid, "lr", key, &keyLen); getTableCacheKey(uid, 0, key, &keyLen); LRUHandle *h = taosLRUCacheLookup(pCache, key, keyLen); if (h) { STSchema *pTSchema = metaGetTbTSchema(pTsdb->pVnode->pMeta, uid, -1, 1); TSKEY keyTs = row->ts; bool invalidate = false; SArray *pLast = (SArray *)taosLRUCacheValue(pCache, h); int16_t nCol = taosArrayGetSize(pLast); int16_t iCol = 0; SLastCol *tTsVal = (SLastCol *)taosArrayGet(pLast, iCol); if (keyTs > tTsVal->ts) { STColumn *pTColumn = &pTSchema->columns[0]; SColVal tColVal = COL_VAL_VALUE(pTColumn->colId, pTColumn->type, (SValue){.val = keyTs}); taosArraySet(pLast, iCol, &(SLastCol){.ts = keyTs, .colVal = tColVal}); } for (++iCol; iCol < nCol; ++iCol) { SLastCol *tTsVal1 = (SLastCol *)taosArrayGet(pLast, iCol); if (keyTs >= tTsVal1->ts) { SColVal *tColVal = &tTsVal1->colVal; SColVal colVal = {0}; tTSRowGetVal(row, pTSchema, iCol, &colVal); if (!COL_VAL_IS_NONE(&colVal)) { if (keyTs == tTsVal1->ts && !COL_VAL_IS_NONE(tColVal)) { invalidate = true; break; } } else { taosArraySet(pLast, iCol, &(SLastCol){.ts = keyTs, .colVal = colVal}); } } } _invalidate: taosMemoryFreeClear(pTSchema); taosLRUCacheRelease(pCache, h, invalidate); /* cacheRow = (STSRow *)taosLRUCacheValue(pCache, h); if (row->ts >= cacheRow->ts) { if (row->ts == cacheRow->ts) { STSRow *mergedRow = NULL; SRowMerger merger = {0}; STSchema *pTSchema = metaGetTbTSchema(pTsdb->pVnode->pMeta, uid, -1, 1); tRowMergerInit(&merger, &tsdbRowFromTSRow(0, cacheRow), pTSchema); tRowMerge(&merger, &tsdbRowFromTSRow(1, row)); tRowMergerGetRow(&merger, &mergedRow); tRowMergerClear(&merger); taosMemoryFreeClear(pTSchema); row = mergedRow; dup = false; } if (TD_ROW_LEN(row) <= TD_ROW_LEN(cacheRow)) { tdRowCpy(cacheRow, row); if (!dup) { taosMemoryFree(row); } taosLRUCacheRelease(pCache, h, false); } else { taosLRUCacheRelease(pCache, h, true); // tsdbCacheDeleteLastrow(pCache, uid, TSKEY_MAX); if (dup) { cacheRow = tdRowDup(row); } else { cacheRow = row; } _taos_lru_deleter_t deleter = deleteTableCacheLastrow; LRUStatus status = taosLRUCacheInsert(pCache, key, keyLen, cacheRow, TD_ROW_LEN(cacheRow), deleter, NULL, TAOS_LRU_PRIORITY_LOW); if (status != TAOS_LRU_STATUS_OK) { code = -1; } // tsdbCacheInsertLastrow(pCache, uid, row, dup); } }*/ } /*else { if (dup) { cacheRow = tdRowDup(row); } else { cacheRow = row; } _taos_lru_deleter_t deleter = deleteTableCacheLastrow; LRUStatus status = taosLRUCacheInsert(pCache, key, keyLen, cacheRow, TD_ROW_LEN(cacheRow), deleter, NULL, TAOS_LRU_PRIORITY_LOW); if (status != TAOS_LRU_STATUS_OK) { code = -1; } }*/ return code; } int32_t tsdbCacheInsertLast(SLRUCache *pCache, tb_uid_t uid, STSRow *row, STsdb *pTsdb) { int32_t code = 0; STSRow *cacheRow = NULL; char key[32] = {0}; int keyLen = 0; // getTableCacheKey(uid, "l", key, &keyLen); getTableCacheKey(uid, 1, key, &keyLen); LRUHandle *h = taosLRUCacheLookup(pCache, key, keyLen); if (h) { STSchema *pTSchema = metaGetTbTSchema(pTsdb->pVnode->pMeta, uid, -1, 1); TSKEY keyTs = row->ts; bool invalidate = false; SArray *pLast = (SArray *)taosLRUCacheValue(pCache, h); int16_t nCol = taosArrayGetSize(pLast); int16_t iCol = 0; SLastCol *tTsVal = (SLastCol *)taosArrayGet(pLast, iCol); if (keyTs > tTsVal->ts) { STColumn *pTColumn = &pTSchema->columns[0]; SColVal tColVal = COL_VAL_VALUE(pTColumn->colId, pTColumn->type, (SValue){.val = keyTs}); taosArraySet(pLast, iCol, &(SLastCol){.ts = keyTs, .colVal = tColVal}); } for (++iCol; iCol < nCol; ++iCol) { SLastCol *tTsVal1 = (SLastCol *)taosArrayGet(pLast, iCol); if (keyTs >= tTsVal1->ts) { SColVal *tColVal = &tTsVal1->colVal; SColVal colVal = {0}; tTSRowGetVal(row, pTSchema, iCol, &colVal); if (!COL_VAL_IS_VALUE(&colVal)) { if (keyTs == tTsVal1->ts && COL_VAL_IS_VALUE(tColVal)) { invalidate = true; break; } } else { taosArraySet(pLast, iCol, &(SLastCol){.ts = keyTs, .colVal = colVal}); } } } _invalidate: taosMemoryFreeClear(pTSchema); taosLRUCacheRelease(pCache, h, invalidate); // clear last cache anyway, lazy load when get last lookup // taosLRUCacheRelease(pCache, h, true); } return code; } static tb_uid_t getTableSuidByUid(tb_uid_t uid, STsdb *pTsdb) { tb_uid_t suid = 0; SMetaReader mr = {0}; metaReaderInit(&mr, pTsdb->pVnode->pMeta, 0); if (metaGetTableEntryByUid(&mr, uid) < 0) { metaReaderClear(&mr); // table not esist return 0; } if (mr.me.type == TSDB_CHILD_TABLE) { suid = mr.me.ctbEntry.suid; } else if (mr.me.type == TSDB_NORMAL_TABLE) { suid = 0; } else { suid = 0; } metaReaderClear(&mr); return suid; } static int32_t getTableDelDataFromDelIdx(SDelFReader *pDelReader, SDelIdx *pDelIdx, SArray *aDelData) { int32_t code = 0; if (pDelIdx) { code = tsdbReadDelData(pDelReader, pDelIdx, aDelData); } return code; } static int32_t getTableDelDataFromTbData(STbData *pTbData, SArray *aDelData) { int32_t code = 0; SDelData *pDelData = pTbData ? pTbData->pHead : NULL; for (; pDelData; pDelData = pDelData->pNext) { taosArrayPush(aDelData, pDelData); } return code; } static int32_t getTableDelData(STbData *pMem, STbData *pIMem, SDelFReader *pDelReader, SDelIdx *pDelIdx, SArray *aDelData) { int32_t code = 0; if (pMem) { code = getTableDelDataFromTbData(pMem, aDelData); if (code) goto _err; } if (pIMem) { code = getTableDelDataFromTbData(pIMem, aDelData); if (code) goto _err; } if (pDelIdx) { code = getTableDelDataFromDelIdx(pDelReader, pDelIdx, aDelData); if (code) goto _err; } _err: return code; } static int32_t getTableDelSkyline(STbData *pMem, STbData *pIMem, SDelFReader *pDelReader, SDelIdx *pDelIdx, SArray *aSkyline) { int32_t code = 0; SArray *aDelData = NULL; aDelData = taosArrayInit(32, sizeof(SDelData)); code = getTableDelData(pMem, pIMem, pDelReader, pDelIdx, aDelData); if (code) goto _err; size_t nDelData = taosArrayGetSize(aDelData); if (nDelData > 0) { code = tsdbBuildDeleteSkyline(aDelData, 0, (int32_t)(nDelData - 1), aSkyline); if (code) goto _err; } _err: if (aDelData) { taosArrayDestroy(aDelData); } return code; } static int32_t getTableDelIdx(SDelFReader *pDelFReader, tb_uid_t suid, tb_uid_t uid, SDelIdx *pDelIdx) { int32_t code = 0; SArray *pDelIdxArray = NULL; // SMapData delIdxMap; pDelIdxArray = taosArrayInit(32, sizeof(SDelIdx)); SDelIdx idx = {.suid = suid, .uid = uid}; // tMapDataReset(&delIdxMap); code = tsdbReadDelIdx(pDelFReader, pDelIdxArray); if (code) goto _err; // code = tMapDataSearch(&delIdxMap, &idx, tGetDelIdx, tCmprDelIdx, pDelIdx); SDelIdx *pIdx = taosArraySearch(pDelIdxArray, &idx, tCmprDelIdx, TD_EQ); *pDelIdx = *pIdx; _err: if (pDelIdxArray) { taosArrayDestroy(pDelIdxArray); } return code; } typedef enum { SFSLASTNEXTROW_FS, SFSLASTNEXTROW_FILESET, SFSLASTNEXTROW_BLOCKDATA, SFSLASTNEXTROW_BLOCKROW } SFSLASTNEXTROWSTATES; typedef struct { SFSLASTNEXTROWSTATES state; // [input] STsdb *pTsdb; // [input] STSchema *pTSchema; // [input] tb_uid_t suid; tb_uid_t uid; int32_t nFileSet; int32_t iFileSet; SArray *aDFileSet; SDataFReader *pDataFReader; TSDBROW row; SMergeTree mergeTree; SMergeTree *pMergeTree; } SFSLastNextRowIter; static int32_t getNextRowFromFSLast(void *iter, TSDBROW **ppRow) { SFSLastNextRowIter *state = (SFSLastNextRowIter *)iter; int32_t code = 0; switch (state->state) { case SFSLASTNEXTROW_FS: state->nFileSet = taosArrayGetSize(state->aDFileSet); state->iFileSet = state->nFileSet; case SFSLASTNEXTROW_FILESET: { SDFileSet *pFileSet = NULL; _next_fileset: if (state->pMergeTree != NULL) { tMergeTreeClose(state->pMergeTree); state->pMergeTree = NULL; } if (--state->iFileSet >= 0) { pFileSet = (SDFileSet *)taosArrayGet(state->aDFileSet, state->iFileSet); } else { *ppRow = NULL; return code; } code = tsdbDataFReaderOpen(&state->pDataFReader, state->pTsdb, pFileSet); if (code) goto _err; SSttBlockLoadInfo *pLoadInfo = tCreateLastBlockLoadInfo(state->pTSchema, NULL, 0); tMergeTreeOpen(&state->mergeTree, 1, state->pDataFReader, state->suid, state->uid, &(STimeWindow){.skey = TSKEY_MIN, .ekey = TSKEY_MAX}, &(SVersionRange){.minVer = 0, .maxVer = UINT64_MAX}, pLoadInfo, true, NULL); state->pMergeTree = &state->mergeTree; bool hasVal = tMergeTreeNext(&state->mergeTree); if (!hasVal) { state->state = SFSLASTNEXTROW_FILESET; goto _next_fileset; } state->state = SFSLASTNEXTROW_BLOCKROW; } case SFSLASTNEXTROW_BLOCKROW: state->row = tMergeTreeGetRow(&state->mergeTree); *ppRow = &state->row; bool hasVal = tMergeTreeNext(&state->mergeTree); if (!hasVal) { state->state = SFSLASTNEXTROW_FILESET; } return code; default: ASSERT(0); break; } _err: if (state->pDataFReader) { tsdbDataFReaderClose(&state->pDataFReader); state->pDataFReader = NULL; } if (state->pMergeTree != NULL) { tMergeTreeClose(state->pMergeTree); state->pMergeTree = NULL; } *ppRow = NULL; return code; } int32_t clearNextRowFromFSLast(void *iter) { SFSLastNextRowIter *state = (SFSLastNextRowIter *)iter; int32_t code = 0; if (!state) { return code; } if (state->pDataFReader) { tsdbDataFReaderClose(&state->pDataFReader); state->pDataFReader = NULL; } if (state->pMergeTree != NULL) { tMergeTreeClose(state->pMergeTree); state->pMergeTree = NULL; } return code; } typedef enum SFSNEXTROWSTATES { SFSNEXTROW_FS, SFSNEXTROW_FILESET, SFSNEXTROW_BLOCKDATA, SFSNEXTROW_BLOCKROW } SFSNEXTROWSTATES; typedef struct SFSNextRowIter { SFSNEXTROWSTATES state; // [input] STsdb *pTsdb; // [input] SBlockIdx *pBlockIdxExp; // [input] STSchema *pTSchema; // [input] tb_uid_t suid; tb_uid_t uid; int32_t nFileSet; int32_t iFileSet; SArray *aDFileSet; SDataFReader *pDataFReader; SArray *aBlockIdx; SBlockIdx *pBlockIdx; SMapData blockMap; int32_t nBlock; int32_t iBlock; SDataBlk block; SBlockData blockData; SBlockData *pBlockData; int32_t nRow; int32_t iRow; TSDBROW row; } SFSNextRowIter; static int32_t getNextRowFromFS(void *iter, TSDBROW **ppRow) { SFSNextRowIter *state = (SFSNextRowIter *)iter; int32_t code = 0; switch (state->state) { case SFSNEXTROW_FS: // state->aDFileSet = state->pTsdb->pFS->cState->aDFileSet; state->nFileSet = taosArrayGetSize(state->aDFileSet); state->iFileSet = state->nFileSet; state->pBlockData = NULL; case SFSNEXTROW_FILESET: { SDFileSet *pFileSet = NULL; _next_fileset: if (--state->iFileSet >= 0) { pFileSet = (SDFileSet *)taosArrayGet(state->aDFileSet, state->iFileSet); } else { // tBlockDataDestroy(&state->blockData, 1); if (state->pBlockData) { tBlockDataDestroy(state->pBlockData, 1); state->pBlockData = NULL; } *ppRow = NULL; return code; } code = tsdbDataFReaderOpen(&state->pDataFReader, state->pTsdb, pFileSet); if (code) goto _err; // tMapDataReset(&state->blockIdxMap); if (!state->aBlockIdx) { state->aBlockIdx = taosArrayInit(0, sizeof(SBlockIdx)); } else { taosArrayClear(state->aBlockIdx); } code = tsdbReadBlockIdx(state->pDataFReader, state->aBlockIdx); if (code) goto _err; /* if (state->pBlockIdx) { */ /* } */ /* code = tMapDataSearch(&state->blockIdxMap, state->pBlockIdxExp, tGetBlockIdx, tCmprBlockIdx, * &state->blockIdx); */ state->pBlockIdx = taosArraySearch(state->aBlockIdx, state->pBlockIdxExp, tCmprBlockIdx, TD_EQ); if (!state->pBlockIdx) { goto _next_fileset; } if (state->blockMap.pData != NULL) { tMapDataClear(&state->blockMap); } code = tsdbReadDataBlk(state->pDataFReader, state->pBlockIdx, &state->blockMap); if (code) goto _err; state->nBlock = state->blockMap.nItem; state->iBlock = state->nBlock - 1; if (!state->pBlockData) { state->pBlockData = &state->blockData; tBlockDataCreate(&state->blockData); } } case SFSNEXTROW_BLOCKDATA: if (state->iBlock >= 0) { SDataBlk block = {0}; tDataBlkReset(&block); // tBlockDataReset(&state->blockData); tBlockDataReset(state->pBlockData); tMapDataGetItemByIdx(&state->blockMap, state->iBlock, &block, tGetDataBlk); /* code = tsdbReadBlockData(state->pDataFReader, &state->blockIdx, &block, &state->blockData, NULL, NULL); */ tBlockDataReset(state->pBlockData); TABLEID tid = {.suid = state->suid, .uid = state->uid}; code = tBlockDataInit(state->pBlockData, &tid, state->pTSchema, NULL, 0); if (code) goto _err; code = tsdbReadDataBlock(state->pDataFReader, &block, state->pBlockData); if (code) goto _err; state->nRow = state->blockData.nRow; state->iRow = state->nRow - 1; state->state = SFSNEXTROW_BLOCKROW; } case SFSNEXTROW_BLOCKROW: if (state->iRow >= 0) { state->row = tsdbRowFromBlockData(state->pBlockData, state->iRow); *ppRow = &state->row; if (--state->iRow < 0) { state->state = SFSNEXTROW_BLOCKDATA; if (--state->iBlock < 0) { tsdbDataFReaderClose(&state->pDataFReader); state->pDataFReader = NULL; if (state->aBlockIdx) { taosArrayDestroy(state->aBlockIdx); state->aBlockIdx = NULL; } state->state = SFSNEXTROW_FILESET; } } } return code; default: ASSERT(0); break; } _err: if (state->pDataFReader) { tsdbDataFReaderClose(&state->pDataFReader); state->pDataFReader = NULL; } if (state->aBlockIdx) { taosArrayDestroy(state->aBlockIdx); state->aBlockIdx = NULL; } if (state->pBlockData) { // tBlockDataDestroy(&state->blockData, 1); tBlockDataDestroy(state->pBlockData, 1); state->pBlockData = NULL; } *ppRow = NULL; return code; } int32_t clearNextRowFromFS(void *iter) { int32_t code = 0; SFSNextRowIter *state = (SFSNextRowIter *)iter; if (!state) { return code; } if (state->pDataFReader) { tsdbDataFReaderClose(&state->pDataFReader); state->pDataFReader = NULL; } if (state->aBlockIdx) { taosArrayDestroy(state->aBlockIdx); state->aBlockIdx = NULL; } if (state->pBlockData) { // tBlockDataDestroy(&state->blockData, 1); tBlockDataDestroy(state->pBlockData, 1); state->pBlockData = NULL; } if (state->blockMap.pData != NULL) { tMapDataClear(&state->blockMap); } return code; } typedef enum SMEMNEXTROWSTATES { SMEMNEXTROW_ENTER, SMEMNEXTROW_NEXT, } SMEMNEXTROWSTATES; typedef struct SMemNextRowIter { SMEMNEXTROWSTATES state; STbData *pMem; // [input] STbDataIter iter; // mem buffer skip list iterator // bool iterOpened; // TSDBROW *curRow; } SMemNextRowIter; static int32_t getNextRowFromMem(void *iter, TSDBROW **ppRow) { SMemNextRowIter *state = (SMemNextRowIter *)iter; int32_t code = 0; switch (state->state) { case SMEMNEXTROW_ENTER: { if (state->pMem != NULL) { tsdbTbDataIterOpen(state->pMem, NULL, 1, &state->iter); TSDBROW *pMemRow = tsdbTbDataIterGet(&state->iter); if (pMemRow) { *ppRow = pMemRow; state->state = SMEMNEXTROW_NEXT; return code; } } *ppRow = NULL; return code; } case SMEMNEXTROW_NEXT: if (tsdbTbDataIterNext(&state->iter)) { *ppRow = tsdbTbDataIterGet(&state->iter); return code; } else { *ppRow = NULL; return code; } default: ASSERT(0); break; } _err: *ppRow = NULL; return code; } /* static int32_t tsRowFromTsdbRow(STSchema *pTSchema, TSDBROW *pRow, STSRow **ppRow) { */ /* int32_t code = 0; */ /* SColVal *pColVal = &(SColVal){0}; */ /* if (pRow->type == 0) { */ /* *ppRow = tdRowDup(pRow->pTSRow); */ /* } else { */ /* SArray *pArray = taosArrayInit(pTSchema->numOfCols, sizeof(SColVal)); */ /* if (pArray == NULL) { */ /* code = TSDB_CODE_OUT_OF_MEMORY; */ /* goto _exit; */ /* } */ /* TSDBKEY key = TSDBROW_KEY(pRow); */ /* STColumn *pTColumn = &pTSchema->columns[0]; */ /* *pColVal = COL_VAL_VALUE(pTColumn->colId, pTColumn->type, (SValue){.ts = key.ts}); */ /* if (taosArrayPush(pArray, pColVal) == NULL) { */ /* code = TSDB_CODE_OUT_OF_MEMORY; */ /* goto _exit; */ /* } */ /* for (int16_t iCol = 1; iCol < pTSchema->numOfCols; iCol++) { */ /* tsdbRowGetColVal(pRow, pTSchema, iCol, pColVal); */ /* if (taosArrayPush(pArray, pColVal) == NULL) { */ /* code = TSDB_CODE_OUT_OF_MEMORY; */ /* goto _exit; */ /* } */ /* } */ /* code = tdSTSRowNew(pArray, pTSchema, ppRow); */ /* if (code) goto _exit; */ /* } */ /* _exit: */ /* return code; */ /* } */ static bool tsdbKeyDeleted(TSDBKEY *key, SArray *pSkyline, int64_t *iSkyline) { bool deleted = false; while (*iSkyline > 0) { TSDBKEY *pItemBack = (TSDBKEY *)taosArrayGet(pSkyline, *iSkyline); TSDBKEY *pItemFront = (TSDBKEY *)taosArrayGet(pSkyline, *iSkyline - 1); if (key->ts > pItemBack->ts) { return false; } else if (key->ts >= pItemFront->ts && key->ts <= pItemBack->ts) { if (key->version <= pItemFront->version || (key->ts == pItemBack->ts && key->version <= pItemBack->version)) { return true; } else { return false; } } else { if (*iSkyline > 1) { --*iSkyline; } else { return false; } } } return deleted; } typedef int32_t (*_next_row_fn_t)(void *iter, TSDBROW **ppRow); typedef int32_t (*_next_row_clear_fn_t)(void *iter); typedef struct { TSDBROW *pRow; bool stop; bool next; void *iter; _next_row_fn_t nextRowFn; _next_row_clear_fn_t nextRowClearFn; } TsdbNextRowState; typedef struct { SArray *pSkyline; int64_t iSkyline; SBlockIdx idx; SMemNextRowIter memState; SMemNextRowIter imemState; SFSLastNextRowIter fsLastState; SFSNextRowIter fsState; TSDBROW memRow, imemRow, fsLastRow, fsRow; TsdbNextRowState input[4]; STsdbReadSnap *pReadSnap; STsdb *pTsdb; } CacheNextRowIter; static int32_t nextRowIterOpen(CacheNextRowIter *pIter, tb_uid_t uid, STsdb *pTsdb, STSchema *pTSchema) { int code = 0; tb_uid_t suid = getTableSuidByUid(uid, pTsdb); tsdbTakeReadSnap(pTsdb, &pIter->pReadSnap, NULL); STbData *pMem = NULL; if (pIter->pReadSnap->pMem) { pMem = tsdbGetTbDataFromMemTable(pIter->pReadSnap->pMem, suid, uid); } STbData *pIMem = NULL; if (pIter->pReadSnap->pIMem) { pIMem = tsdbGetTbDataFromMemTable(pIter->pReadSnap->pIMem, suid, uid); } pIter->pTsdb = pTsdb; pIter->pSkyline = taosArrayInit(32, sizeof(TSDBKEY)); SDelIdx delIdx; SDelFile *pDelFile = pIter->pReadSnap->fs.pDelFile; if (pDelFile) { SDelFReader *pDelFReader; code = tsdbDelFReaderOpen(&pDelFReader, pDelFile, pTsdb); if (code) goto _err; code = getTableDelIdx(pDelFReader, suid, uid, &delIdx); if (code) { tsdbDelFReaderClose(&pDelFReader); goto _err; } code = getTableDelSkyline(pMem, pIMem, pDelFReader, &delIdx, pIter->pSkyline); if (code) { tsdbDelFReaderClose(&pDelFReader); goto _err; } tsdbDelFReaderClose(&pDelFReader); } else { code = getTableDelSkyline(pMem, pIMem, NULL, NULL, pIter->pSkyline); if (code) goto _err; } pIter->iSkyline = taosArrayGetSize(pIter->pSkyline) - 1; pIter->idx = (SBlockIdx){.suid = suid, .uid = uid}; pIter->fsLastState.state = (SFSLASTNEXTROWSTATES)SFSNEXTROW_FS; pIter->fsLastState.pTsdb = pTsdb; pIter->fsLastState.aDFileSet = pIter->pReadSnap->fs.aDFileSet; pIter->fsLastState.pTSchema = pTSchema; pIter->fsLastState.suid = suid; pIter->fsLastState.uid = uid; pIter->fsState.state = SFSNEXTROW_FS; pIter->fsState.pTsdb = pTsdb; pIter->fsState.aDFileSet = pIter->pReadSnap->fs.aDFileSet; pIter->fsState.pBlockIdxExp = &pIter->idx; pIter->fsState.pTSchema = pTSchema; pIter->fsState.suid = suid; pIter->fsState.uid = uid; pIter->input[0] = (TsdbNextRowState){&pIter->memRow, true, false, &pIter->memState, getNextRowFromMem, NULL}; pIter->input[1] = (TsdbNextRowState){&pIter->imemRow, true, false, &pIter->imemState, getNextRowFromMem, NULL}; pIter->input[2] = (TsdbNextRowState){&pIter->fsLastRow, false, true, &pIter->fsLastState, getNextRowFromFSLast, clearNextRowFromFSLast}; pIter->input[3] = (TsdbNextRowState){&pIter->fsRow, false, true, &pIter->fsState, getNextRowFromFS, clearNextRowFromFS}; if (pMem) { pIter->memState.pMem = pMem; pIter->memState.state = SMEMNEXTROW_ENTER; pIter->input[0].stop = false; pIter->input[0].next = true; } if (pIMem) { pIter->imemState.pMem = pIMem; pIter->imemState.state = SMEMNEXTROW_ENTER; pIter->input[1].stop = false; pIter->input[1].next = true; } return code; _err: return code; } static int32_t nextRowIterClose(CacheNextRowIter *pIter) { int code = 0; for (int i = 0; i < 4; ++i) { if (pIter->input[i].nextRowClearFn) { pIter->input[i].nextRowClearFn(pIter->input[i].iter); } } if (pIter->pSkyline) { taosArrayDestroy(pIter->pSkyline); } tsdbUntakeReadSnap(pIter->pTsdb, pIter->pReadSnap, NULL); _err: return code; } // iterate next row non deleted backward ts, version (from high to low) static int32_t nextRowIterGet(CacheNextRowIter *pIter, TSDBROW **ppRow) { int code = 0; for (int i = 0; i < 4; ++i) { if (pIter->input[i].next && !pIter->input[i].stop) { code = pIter->input[i].nextRowFn(pIter->input[i].iter, &pIter->input[i].pRow); if (code) goto _err; if (pIter->input[i].pRow == NULL) { pIter->input[i].stop = true; pIter->input[i].next = false; } } } if (pIter->input[0].stop && pIter->input[1].stop && pIter->input[2].stop && pIter->input[3].stop) { *ppRow = NULL; return code; } // select maxpoint(s) from mem, imem, fs and last TSDBROW *max[4] = {0}; int iMax[4] = {-1, -1, -1, -1}; int nMax = 0; TSKEY maxKey = TSKEY_MIN; for (int i = 0; i < 4; ++i) { if (!pIter->input[i].stop && pIter->input[i].pRow != NULL) { TSDBKEY key = TSDBROW_KEY(pIter->input[i].pRow); // merging & deduplicating on client side if (maxKey <= key.ts) { if (maxKey < key.ts) { nMax = 0; maxKey = key.ts; } iMax[nMax] = i; max[nMax++] = pIter->input[i].pRow; } } } // delete detection TSDBROW *merge[4] = {0}; int iMerge[4] = {-1, -1, -1, -1}; int nMerge = 0; for (int i = 0; i < nMax; ++i) { TSDBKEY maxKey1 = TSDBROW_KEY(max[i]); bool deleted = tsdbKeyDeleted(&maxKey1, pIter->pSkyline, &pIter->iSkyline); if (!deleted) { iMerge[nMerge] = iMax[i]; merge[nMerge++] = max[i]; } pIter->input[iMax[i]].next = deleted; } if (nMerge > 0) { pIter->input[iMerge[0]].next = true; *ppRow = merge[0]; } else { *ppRow = NULL; } return code; _err: return code; } static int32_t mergeLastRow(tb_uid_t uid, STsdb *pTsdb, bool *dup, SArray **ppColArray) { int32_t code = 0; STSchema *pTSchema = metaGetTbTSchema(pTsdb->pVnode->pMeta, uid, -1, 1); int16_t nCol = pTSchema->numOfCols; int16_t iCol = 0; int16_t noneCol = 0; bool setNoneCol = false; SArray *pColArray = taosArrayInit(nCol, sizeof(SColVal)); SColVal *pColVal = &(SColVal){0}; TSKEY lastRowTs = TSKEY_MAX; CacheNextRowIter iter = {0}; nextRowIterOpen(&iter, uid, pTsdb, pTSchema); do { TSDBROW *pRow = NULL; nextRowIterGet(&iter, &pRow); if (!pRow) { break; } TSKEY rowTs = TSDBROW_TS(pRow); if (lastRowTs == TSKEY_MAX) { lastRowTs = rowTs; STColumn *pTColumn = &pTSchema->columns[0]; *pColVal = COL_VAL_VALUE(pTColumn->colId, pTColumn->type, (SValue){.val = lastRowTs}); if (taosArrayPush(pColArray, &(SLastCol){.ts = lastRowTs, .colVal = *pColVal}) == NULL) { code = TSDB_CODE_OUT_OF_MEMORY; goto _err; } for (iCol = 1; iCol < nCol; ++iCol) { tsdbRowGetColVal(pRow, pTSchema, iCol, pColVal); if (taosArrayPush(pColArray, &(SLastCol){.ts = lastRowTs, .colVal = *pColVal}) == NULL) { code = TSDB_CODE_OUT_OF_MEMORY; goto _err; } if (COL_VAL_IS_NONE(pColVal) && !setNoneCol) { noneCol = iCol; setNoneCol = true; } } if (!setNoneCol) { // done, goto return pColArray break; } else { continue; } } if ((rowTs < lastRowTs)) { // done, goto return pColArray break; } // merge into pColArray setNoneCol = false; for (iCol = noneCol; iCol < nCol; ++iCol) { // high version's column value SColVal *tColVal = (SColVal *)taosArrayGet(pColArray, iCol); tsdbRowGetColVal(pRow, pTSchema, iCol, pColVal); if (COL_VAL_IS_NONE(tColVal) && !COL_VAL_IS_NONE(pColVal)) { taosArraySet(pColArray, iCol, &(SLastCol){.ts = rowTs, .colVal = *pColVal}); } else if (COL_VAL_IS_NONE(tColVal) && COL_VAL_IS_NONE(pColVal) && !setNoneCol) { noneCol = iCol; setNoneCol = true; } } } while (setNoneCol); // build the result ts row here *dup = false; if (taosArrayGetSize(pColArray) != nCol) { *ppColArray = NULL; taosArrayDestroy(pColArray); } else { *ppColArray = pColArray; } nextRowIterClose(&iter); taosMemoryFreeClear(pTSchema); return code; _err: nextRowIterClose(&iter); taosArrayDestroy(pColArray); taosMemoryFreeClear(pTSchema); return code; } static int32_t mergeLast(tb_uid_t uid, STsdb *pTsdb, SArray **ppLastArray) { int32_t code = 0; STSchema *pTSchema = metaGetTbTSchema(pTsdb->pVnode->pMeta, uid, -1, 1); int16_t nCol = pTSchema->numOfCols; int16_t iCol = 0; int16_t noneCol = 0; bool setNoneCol = false; SArray *pColArray = taosArrayInit(nCol, sizeof(SLastCol)); SColVal *pColVal = &(SColVal){0}; TSKEY lastRowTs = TSKEY_MAX; CacheNextRowIter iter = {0}; nextRowIterOpen(&iter, uid, pTsdb, pTSchema); do { TSDBROW *pRow = NULL; nextRowIterGet(&iter, &pRow); if (!pRow) { break; } TSKEY rowTs = TSDBROW_TS(pRow); if (lastRowTs == TSKEY_MAX) { lastRowTs = rowTs; STColumn *pTColumn = &pTSchema->columns[0]; *pColVal = COL_VAL_VALUE(pTColumn->colId, pTColumn->type, (SValue){.val = lastRowTs}); if (taosArrayPush(pColArray, &(SLastCol){.ts = lastRowTs, .colVal = *pColVal}) == NULL) { code = TSDB_CODE_OUT_OF_MEMORY; goto _err; } for (iCol = 1; iCol < nCol; ++iCol) { tsdbRowGetColVal(pRow, pTSchema, iCol, pColVal); if (taosArrayPush(pColArray, &(SLastCol){.ts = lastRowTs, .colVal = *pColVal}) == NULL) { code = TSDB_CODE_OUT_OF_MEMORY; goto _err; } if (!COL_VAL_IS_VALUE(pColVal) && !setNoneCol) { noneCol = iCol; setNoneCol = true; } } if (!setNoneCol) { // done, goto return pColArray break; } else { continue; } } // merge into pColArray setNoneCol = false; for (iCol = noneCol; iCol < nCol; ++iCol) { // high version's column value SLastCol *lastColVal = (SLastCol *)taosArrayGet(pColArray, iCol); SColVal *tColVal = &lastColVal->colVal; tsdbRowGetColVal(pRow, pTSchema, iCol, pColVal); if (!COL_VAL_IS_VALUE(tColVal) && COL_VAL_IS_VALUE(pColVal)) { taosArraySet(pColArray, iCol, &(SLastCol){.ts = rowTs, .colVal = *pColVal}); } else if (!COL_VAL_IS_VALUE(tColVal) && !COL_VAL_IS_VALUE(pColVal) && !setNoneCol) { noneCol = iCol; setNoneCol = true; } } } while (setNoneCol); if (taosArrayGetSize(pColArray) <= 0) { *ppLastArray = NULL; taosArrayDestroy(pColArray); } else { *ppLastArray = pColArray; } nextRowIterClose(&iter); taosMemoryFreeClear(pTSchema); return code; _err: nextRowIterClose(&iter); taosMemoryFreeClear(pTSchema); *ppLastArray = NULL; taosArrayDestroy(pColArray); return code; } int32_t tsdbCacheGetLastrowH(SLRUCache *pCache, tb_uid_t uid, STsdb *pTsdb, LRUHandle **handle) { int32_t code = 0; char key[32] = {0}; int keyLen = 0; // getTableCacheKeyS(uid, "lr", key, &keyLen); getTableCacheKey(uid, 0, key, &keyLen); LRUHandle *h = taosLRUCacheLookup(pCache, key, keyLen); if (!h) { taosThreadMutexLock(&pTsdb->lruMutex); h = taosLRUCacheLookup(pCache, key, keyLen); if (!h) { SArray *pArray = NULL; bool dup = false; // which is always false for now code = mergeLastRow(uid, pTsdb, &dup, &pArray); // if table's empty or error, return code of -1 if (code < 0 || pArray == NULL) { if (!dup && pArray) { taosArrayDestroy(pArray); } taosThreadMutexUnlock(&pTsdb->lruMutex); *handle = NULL; return 0; } _taos_lru_deleter_t deleter = deleteTableCacheLast; LRUStatus status = taosLRUCacheInsert(pCache, key, keyLen, pArray, pArray->capacity, deleter, NULL, TAOS_LRU_PRIORITY_LOW); if (status != TAOS_LRU_STATUS_OK) { code = -1; } taosThreadMutexUnlock(&pTsdb->lruMutex); h = taosLRUCacheLookup(pCache, key, keyLen); } else { taosThreadMutexUnlock(&pTsdb->lruMutex); } } *handle = h; return code; } int32_t tsdbCacheLastArray2Row(SArray *pLastArray, STSRow **ppRow, STSchema *pTSchema) { int32_t code = 0; int16_t nCol = taosArrayGetSize(pLastArray); SArray *pColArray = taosArrayInit(nCol, sizeof(SColVal)); for (int16_t iCol = 0; iCol < nCol; ++iCol) { SLastCol *tTsVal = (SLastCol *)taosArrayGet(pLastArray, iCol); SColVal *tColVal = &tTsVal->colVal; taosArrayPush(pColArray, tColVal); } code = tdSTSRowNew(pColArray, pTSchema, ppRow); if (code) goto _err; taosArrayDestroy(pColArray); return code; _err: taosArrayDestroy(pColArray); return code; } int32_t tsdbCacheGetLastH(SLRUCache *pCache, tb_uid_t uid, STsdb *pTsdb, LRUHandle **handle) { int32_t code = 0; char key[32] = {0}; int keyLen = 0; // getTableCacheKeyS(uid, "l", key, &keyLen); getTableCacheKey(uid, 1, key, &keyLen); LRUHandle *h = taosLRUCacheLookup(pCache, key, keyLen); if (!h) { taosThreadMutexLock(&pTsdb->lruMutex); h = taosLRUCacheLookup(pCache, key, keyLen); if (!h) { SArray *pLastArray = NULL; code = mergeLast(uid, pTsdb, &pLastArray); // if table's empty or error, return code of -1 if (code < 0 || pLastArray == NULL) { taosThreadMutexUnlock(&pTsdb->lruMutex); *handle = NULL; return 0; } _taos_lru_deleter_t deleter = deleteTableCacheLast; LRUStatus status = taosLRUCacheInsert(pCache, key, keyLen, pLastArray, pLastArray->capacity, deleter, NULL, TAOS_LRU_PRIORITY_LOW); if (status != TAOS_LRU_STATUS_OK) { code = -1; } taosThreadMutexUnlock(&pTsdb->lruMutex); h = taosLRUCacheLookup(pCache, key, keyLen); } else { taosThreadMutexUnlock(&pTsdb->lruMutex); } } *handle = h; return code; } int32_t tsdbCacheRelease(SLRUCache *pCache, LRUHandle *h) { int32_t code = 0; taosLRUCacheRelease(pCache, h, false); return code; } void tsdbCacheSetCapacity(SVnode *pVnode, size_t capacity) { taosLRUCacheSetCapacity(pVnode->pTsdb->lruCache, capacity); } size_t tsdbCacheGetCapacity(SVnode *pVnode) { return taosLRUCacheGetCapacity(pVnode->pTsdb->lruCache); } size_t tsdbCacheGetUsage(SVnode *pVnode) { return taosLRUCacheGetUsage(pVnode->pTsdb->lruCache); }