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taosdata / TDengine / #3653

14 Mar 2025 08:10AM UTC coverage: 22.565% (-41.0%) from 63.596%
#3653

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feat(keep): support keep on super table level. (#30097)

* Feat: support use keep while create super table.

* Test(keep): add test for create super table with keep option.

* Feat(keep): Add tmsg for create keep.

* Feat(keep): support alter table option keep.

* Fix(keep): Add baisc test for alter table option.

* Fix(keep): memory leek.

* Feat(keep): add keep to metaEntry&metaCache and fix earliestTs with stn keep.

* Test(keep): add some cases for select with stb keep.

* Fix: fix ci core while alter stb.

* Feat(keep): delete expired data in super table level.

* Feat: remove get stb keep while query.

* Fix : build error.

* Revert "Fix : build error."

This reverts commit 0ed66e4e8.

* Revert "Feat(keep): delete expired data in super table level."

This reverts commit 36330f6b4.

* Fix : build errors.

* Feat : support restart taosd.

* Fix : alter table comment problems.

* Test : add tests for super table keep.

* Fix: change sdb stb reserve size.

* Test: add more tests.

* Feat: Disable normal tables and sub tables from setting the keep parameter

* Fix: add more checks to avoid unknown address.

* Docs: Add docs for stable keep.

* Fix: some review changes.

* Fix: review errors.

49248 of 302527 branches covered (16.28%)

Branch coverage included in aggregate %.

53 of 99 new or added lines in 12 files covered. (53.54%)

155872 existing lines in 443 files now uncovered.

87359 of 302857 relevant lines covered (28.84%)

570004.22 hits per line

Source File
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72.85
/source/dnode/mnode/sdb/src/sdb.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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#define _DEFAULT_SOURCE
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#include "sdb.h"
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static int32_t sdbCreateDir(SSdb *pSdb);
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SSdb *sdbInit(SSdbOpt *pOption) {
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  mInfo("start to init sdb in %s", pOption->path);
12!
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  SSdb *pSdb = taosMemoryCalloc(1, sizeof(SSdb));
12!
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  if (pSdb == NULL) {
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    terrno = TSDB_CODE_OUT_OF_MEMORY;
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    mError("failed to init sdb since %s", terrstr());
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    return NULL;
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  }
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  char path[PATH_MAX + 100] = {0};
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  snprintf(path, sizeof(path), "%s%sdata", pOption->path, TD_DIRSEP);
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  pSdb->currDir = taosStrdup(path);
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  snprintf(path, sizeof(path), "%s%stmp", pOption->path, TD_DIRSEP);
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  pSdb->tmpDir = taosStrdup(path);
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  if (pSdb->currDir == NULL || pSdb->tmpDir == NULL) {
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    sdbCleanup(pSdb);
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    terrno = TSDB_CODE_OUT_OF_MEMORY;
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    mError("failed to init sdb since %s", terrstr());
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    return NULL;
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  }
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  if (sdbCreateDir(pSdb) != 0) {
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    sdbCleanup(pSdb);
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    return NULL;
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  }
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  for (ESdbType i = 0; i < SDB_MAX; ++i) {
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    (void)taosThreadRwlockInit(&pSdb->locks[i], NULL);
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    pSdb->maxId[i] = 0;
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    pSdb->tableVer[i] = 0;
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    pSdb->keyTypes[i] = SDB_KEY_INT32;
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  }
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  pSdb->pWal = pOption->pWal;
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  pSdb->applyIndex = -1;
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  pSdb->applyTerm = -1;
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  pSdb->applyConfig = -1;
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  pSdb->commitIndex = -1;
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  pSdb->commitTerm = -1;
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  pSdb->commitConfig = -1;
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  pSdb->pMnode = pOption->pMnode;
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  (void)taosThreadMutexInit(&pSdb->filelock, NULL);
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  mInfo("sdb init success");
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  return pSdb;
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}
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void sdbCleanup(SSdb *pSdb) {
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  mInfo("start to cleanup sdb");
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  int32_t code = 0;
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  if ((code = sdbWriteFile(pSdb, 0)) != 0) {
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UNCOV
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    mError("failed to write sdb file since %s", tstrerror(code));
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  }
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  if (pSdb->currDir != NULL) {
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    taosMemoryFreeClear(pSdb->currDir);
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  }
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  if (pSdb->tmpDir != NULL) {
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    taosRemoveDir(pSdb->tmpDir);
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    taosMemoryFreeClear(pSdb->tmpDir);
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  }
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  for (ESdbType i = 0; i < SDB_MAX; ++i) {
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    SHashObj *hash = pSdb->hashObjs[i];
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    if (hash == NULL) continue;
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    SSdbRow **ppRow = taosHashIterate(hash, NULL);
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    while (ppRow != NULL) {
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      SSdbRow *pRow = *ppRow;
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      if (pRow == NULL) continue;
72!
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      sdbFreeRow(pSdb, pRow, true);
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      ppRow = taosHashIterate(hash, ppRow);
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    }
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  }
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  for (ESdbType i = 0; i < SDB_MAX; ++i) {
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    SHashObj *hash = pSdb->hashObjs[i];
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    if (hash == NULL) continue;
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    taosHashClear(hash);
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    taosHashCleanup(hash);
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    (void)taosThreadRwlockDestroy(&pSdb->locks[i]);
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    pSdb->hashObjs[i] = NULL;
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    memset(&pSdb->locks[i], 0, sizeof(pSdb->locks[i]));
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    mInfo("sdb table:%s is cleaned up", sdbTableName(i));
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  }
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  (void)taosThreadMutexDestroy(&pSdb->filelock);
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  taosMemoryFree(pSdb);
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  mInfo("sdb is cleaned up");
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}
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int32_t sdbSetTable(SSdb *pSdb, SSdbTable table) {
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  int32_t code = 0;
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  ESdbType sdbType = table.sdbType;
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  EKeyType keyType = table.keyType;
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  pSdb->keyTypes[sdbType] = table.keyType;
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  pSdb->insertFps[sdbType] = table.insertFp;
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  pSdb->updateFps[sdbType] = table.updateFp;
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  pSdb->deleteFps[sdbType] = table.deleteFp;
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  pSdb->deployFps[sdbType] = table.deployFp;
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  pSdb->encodeFps[sdbType] = table.encodeFp;
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  pSdb->decodeFps[sdbType] = table.decodeFp;
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  pSdb->afterRestoredFps[sdbType] = table.afterRestoredFp;
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  pSdb->validateFps[sdbType] = table.validateFp;
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  int32_t hashType = 0;
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  if (keyType == SDB_KEY_INT32) {
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    hashType = TSDB_DATA_TYPE_INT;
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  } else if (keyType == SDB_KEY_INT64) {
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    hashType = TSDB_DATA_TYPE_BIGINT;
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  } else {
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    hashType = TSDB_DATA_TYPE_BINARY;
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  }
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  SHashObj *hash = taosHashInit(64, taosGetDefaultHashFunction(hashType), true, HASH_ENTRY_LOCK);
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  if (hash == NULL) {
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    TAOS_RETURN(terrno);
×
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  }
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  pSdb->maxId[sdbType] = 0;
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  pSdb->hashObjs[sdbType] = hash;
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  mInfo("sdb table:%s is initialized", sdbTableName(sdbType));
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  TAOS_RETURN(0);
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}
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static int32_t sdbCreateDir(SSdb *pSdb) {
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  int32_t code = 0;
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  if (taosMulMkDir(pSdb->currDir) != 0) {
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    code = TAOS_SYSTEM_ERROR(ERRNO);
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    mError("failed to create dir:%s since %s", pSdb->currDir, tstrerror(code));
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    TAOS_RETURN(code);
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  }
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  if (taosMkDir(pSdb->tmpDir) != 0) {
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    code = TAOS_SYSTEM_ERROR(ERRNO);
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    mError("failed to create dir:%s since %s", pSdb->tmpDir, tstrerror(code));
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    TAOS_RETURN(code);
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  }
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  return 0;
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}
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void sdbSetApplyInfo(SSdb *pSdb, int64_t index, int64_t term, int64_t config) {
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  mInfo("vgId:1, mnode apply info changed from index:%" PRId64 " term:%" PRId64 " config:%" PRId64 " to index:%" PRId64
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        " term:%" PRId64 " config:%" PRId64,
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        pSdb->applyIndex, pSdb->applyTerm, pSdb->applyConfig, index, term, config);
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  pSdb->applyIndex = index;
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  pSdb->applyTerm = term;
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  pSdb->applyConfig = config;
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}
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void sdbGetCommitInfo(SSdb *pSdb, int64_t *index, int64_t *term, int64_t *config) {
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  *index = pSdb->commitIndex;
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  *term = pSdb->commitTerm;
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  *config = pSdb->commitConfig;
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#if 1
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  mTrace("mnode current info, apply index:%" PRId64 " term:%" PRId64 " config:%" PRId64 ", commit index:%" PRId64
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         " term:%" PRId64 " config:%" PRId64,
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         pSdb->applyIndex, pSdb->applyTerm, pSdb->applyConfig, *index, *term, *config);
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#endif
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}
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void sdbWriteLock(SSdb *pSdb, int32_t type) {
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  TdThreadRwlock *pLock = &pSdb->locks[type];
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  // mTrace("sdb table:%d start write lock:%p", type, pLock);
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  (void)taosThreadRwlockWrlock(pLock);
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  // mTrace("sdb table:%d stop write lock:%p", type, pLock);
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}
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void sdbReadLock(SSdb *pSdb, int32_t type) {
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  TdThreadRwlock *pLock = &pSdb->locks[type];
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  // mTrace("sdb table:%d start read lock:%p", type, pLock);
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  (void)taosThreadRwlockRdlock(pLock);
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  // mTrace("sdb table:%d stop read lock:%p", type, pLock);
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}
2,916✔
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void sdbUnLock(SSdb *pSdb, int32_t type) {
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  TdThreadRwlock *pLock = &pSdb->locks[type];
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  // mTrace("sdb table:%d unlock:%p", type, pLock);
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  (void)taosThreadRwlockUnlock(pLock);
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}
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