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taosdata / TDengine / #4488

12 Jul 2025 07:47AM UTC coverage: 62.207% (-0.7%) from 62.948%
#4488

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docs: update stream docs (#31822)

157961 of 324087 branches covered (48.74%)

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244465 of 322830 relevant lines covered (75.73%)

6561668.76 hits per line

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68.64
/source/dnode/vnode/src/tsdb/tsdbOpen.c
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/*
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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 "meta.h"
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#include "tsdb.h"
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#include "tsdbFS2.h"
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extern int32_t tsdbOpenCompMonitor(STsdb *tsdb);
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extern void    tsdbCloseCompMonitor(STsdb *tsdb);
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void tsdbSetKeepCfg(STsdb *pTsdb, STsdbCfg *pCfg) {
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  STsdbKeepCfg *pKeepCfg = &pTsdb->keepCfg;
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  pKeepCfg->precision = pCfg->precision;
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  pKeepCfg->days = pCfg->days;
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  pKeepCfg->keep0 = pCfg->keep0;
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  pKeepCfg->keep1 = pCfg->keep1;
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  pKeepCfg->keep2 = pCfg->keep2;
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  pKeepCfg->keepTimeOffset = pCfg->keepTimeOffset;
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}
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int64_t tsdbGetEarliestTs(STsdb *pTsdb) {
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  STsdbKeepCfg *pCfg = &pTsdb->keepCfg;
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  int64_t now = taosGetTimestamp(pCfg->precision);
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  int64_t ts = now - (tsTickPerMin[pCfg->precision] * pCfg->keep2) + 1;  // needs to add one tick
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  return ts;
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}
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int32_t tsdbOpen(SVnode *pVnode, STsdb **ppTsdb, const char *dir, STsdbKeepCfg *pKeepCfg, int8_t rollback, bool force) {
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  STsdb  *pTsdb = NULL;
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  int     slen = 0;
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  int32_t code;
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  int32_t lino;
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  *ppTsdb = NULL;
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  slen = strlen(pVnode->path) + strlen(dir) + 2;
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  // create handle
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  pTsdb = (STsdb *)taosMemoryCalloc(1, sizeof(*pTsdb) + slen);
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  if (pTsdb == NULL) {
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    TAOS_CHECK_RETURN(terrno);
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  }
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  pTsdb->path = (char *)&pTsdb[1];
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  (void)snprintf(pTsdb->path, TD_PATH_MAX, "%s%s%s", pVnode->path, TD_DIRSEP, dir);
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  (void)snprintf(pTsdb->name, sizeof(pTsdb->name), "%s", dir);
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  // taosRealPath(pTsdb->path, NULL, slen);
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  pTsdb->pVnode = pVnode;
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  (void)taosThreadMutexInit(&pTsdb->mutex, NULL);
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  if (!pKeepCfg) {
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    tsdbSetKeepCfg(pTsdb, &pVnode->config.tsdbCfg);
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  } else {
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    memcpy(&pTsdb->keepCfg, pKeepCfg, sizeof(STsdbKeepCfg));
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  }
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  // create dir
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  if (!pVnode->mounted) {
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    if (pVnode->pTfs) {
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      code = tfsMkdir(pVnode->pTfs, pTsdb->path);
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      TSDB_CHECK_CODE(code, lino, _exit);
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    } else {
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      code = taosMkDir(pTsdb->path);
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      TSDB_CHECK_CODE(code, lino, _exit);
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    }
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  }
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  // open tsdb
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  code = tsdbOpenFS(pTsdb, &pTsdb->pFS, rollback);
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  TSDB_CHECK_CODE(code, lino, _exit);
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  if (pTsdb->pFS->fsstate == TSDB_FS_STATE_INCOMPLETE && force == false) {
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    TAOS_CHECK_GOTO(terrno = TSDB_CODE_NEED_RETRY, &lino, _exit);
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  }
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  code = tsdbOpenCache(pTsdb);
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  TSDB_CHECK_CODE(code, lino, _exit);
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#ifdef TD_ENTERPRISE
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  TAOS_CHECK_GOTO(tsdbOpenCompMonitor(pTsdb), &lino, _exit);
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#endif
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_exit:
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  if (code) {
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    tsdbError("vgId:%d %s failed at %s:%d since %s, path:%s", TD_VID(pVnode), __func__, __FILE__, lino, tstrerror(code),
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              pTsdb->path);
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    tsdbCloseFS(&pTsdb->pFS);
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    (void)taosThreadMutexDestroy(&pTsdb->mutex);
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    taosMemoryFree(pTsdb);
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  } else {
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    tsdbDebug("vgId:%d, tsdb is opened at %s, days:%d, keep:%d,%d,%d, keepTimeoffset:%d", TD_VID(pVnode), pTsdb->path,
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              pTsdb->keepCfg.days, pTsdb->keepCfg.keep0, pTsdb->keepCfg.keep1, pTsdb->keepCfg.keep2,
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              pTsdb->keepCfg.keepTimeOffset);
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    *ppTsdb = pTsdb;
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  }
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  return code;
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}
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void tsdbClose(STsdb **pTsdb) {
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  if (*pTsdb) {
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    STsdb *pdb = *pTsdb;
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    tsdbDebug("vgId:%d, tsdb is close at %s, days:%d, keep:%d,%d,%d, keepTimeOffset:%d", TD_VID(pdb->pVnode), pdb->path,
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              pdb->keepCfg.days, pdb->keepCfg.keep0, pdb->keepCfg.keep1, pdb->keepCfg.keep2,
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              pdb->keepCfg.keepTimeOffset);
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    (void)taosThreadMutexLock(&(*pTsdb)->mutex);
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    tsdbMemTableDestroy((*pTsdb)->mem, true);
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    (*pTsdb)->mem = NULL;
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    (void)taosThreadMutexUnlock(&(*pTsdb)->mutex);
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    tsdbCloseFS(&(*pTsdb)->pFS);
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    tsdbCloseCache(*pTsdb);
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#ifdef TD_ENTERPRISE
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    tsdbCloseCompMonitor(*pTsdb);
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#endif
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    (void)taosThreadMutexDestroy(&(*pTsdb)->mutex);
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    taosMemoryFreeClear(*pTsdb);
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  }
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  return;
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}
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