mirror of
https://github.com/taosdata/TDengine
synced 2026-05-24 10:09:01 +00:00
115 lines
2.6 KiB
C
115 lines
2.6 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "dev.h"
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typedef struct {
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STsdb *pTsdb;
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STFileSet *pSet;
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SBlockData bData;
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// reader
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SSttFileReader *pSttFReader;
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int32_t nSttFSegReader;
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SSttFSegReader *aSttFSegReader;
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// writer
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SSttFileWriter *pSttFWriter;
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SDataFileWriter *pDataFWriter;
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SArray *aFileOp; // SArray<struct SFileOp>
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} SMerger;
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static int32_t tsdbFileSystemShouldMerge(STsdb *pTsdb) {
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ASSERTS(0, "TODO: not implemented yet");
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// TODO
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return 0;
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}
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static int32_t tsdbFileSetShouldMerge(struct STFileSet *pSet) {
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ASSERTS(0, "TODO: not implemented yet");
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// TODO
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return 0;
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}
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static int32_t tsdbFileSetMerge(struct STFileSet *pFileSet) {
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ASSERTS(0, "TODO: not implemented yet");
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// TODO
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return 0;
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}
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static int32_t tsdbOpenMerger(STsdb *pTsdb, SMerger *pMerger) {
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pMerger->pTsdb = pTsdb;
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// TODO
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return 0;
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}
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static int32_t tsdbDestroyMerger(SMerger *pMerger) {
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int32_t code = 0;
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// TODO
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return code;
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}
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static int32_t tsdbCloseMerger(SMerger *pMerger) {
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int32_t code = 0;
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int32_t lino;
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STsdb *pTsdb = pMerger->pTsdb;
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code = tsdbFileSystemEditBegin(pTsdb->pFS, pMerger->aFileOp, TSDB_FS_EDIT_MERGE);
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TSDB_CHECK_CODE(code, lino, _exit)
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_exit:
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if (code) {
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tsdbFileSystemEditAbort(pTsdb->pFS, TSDB_FS_EDIT_MERGE);
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} else {
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tsdbFileSystemEditCommit(pTsdb->pFS, TSDB_FS_EDIT_MERGE);
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}
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tsdbDestroyMerger(pMerger);
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return code;
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}
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int32_t tsdbMerge(STsdb *pTsdb) {
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int32_t code = 0;
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int32_t lino;
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if (!tsdbFileSystemShouldMerge(pTsdb)) {
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goto _exit;
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}
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SMerger pMerger = {0};
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code = tsdbOpenMerger(pTsdb, &pMerger);
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TSDB_CHECK_CODE(code, lino, _exit)
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for (int32_t i = 0; i < taosArrayGetSize(pTsdb->pFS->cstate); i++) {
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struct STFileSet *pFileSet = taosArrayGet(pTsdb->pFS->cstate, i);
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if (!tsdbFileSetShouldMerge(pFileSet)) {
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continue;
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}
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code = tsdbFileSetMerge(pFileSet);
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TSDB_CHECK_CODE(code, lino, _exit)
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}
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code = tsdbCloseMerger(&pMerger);
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TSDB_CHECK_CODE(code, lino, _exit)
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_exit:
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if (code) {
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} else {
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}
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return 0;
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}
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