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homework-jianmu/source/libs/catalog/inc/catalogInt.h

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/*
* 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 _TD_CATALOG_INT_H_
#define _TD_CATALOG_INT_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "catalog.h"
#include "tcommon.h"
#include "query.h"
#define CTG_DEFAULT_CACHE_CLUSTER_NUMBER 6
#define CTG_DEFAULT_CACHE_VGROUP_NUMBER 100
#define CTG_DEFAULT_CACHE_DB_NUMBER 20
#define CTG_DEFAULT_CACHE_TBLMETA_NUMBER 1000
#define CTG_DEFAULT_RENT_SECOND 10
#define CTG_DEFAULT_RENT_SLOT_SIZE 10
#define CTG_DEFAULT_MAX_RETRY_TIMES 3
#define CTG_RENT_SLOT_SECOND 1.5
#define CTG_DEFAULT_INVALID_VERSION (-1)
#define CTG_ERR_CODE_TABLE_NOT_EXIST TSDB_CODE_PAR_TABLE_NOT_EXIST
enum {
CTG_READ = 1,
CTG_WRITE,
};
enum {
CTG_RENT_DB = 1,
CTG_RENT_STABLE,
};
enum {
CTG_ACT_UPDATE_VG = 0,
CTG_ACT_UPDATE_TBL,
CTG_ACT_REMOVE_DB,
CTG_ACT_REMOVE_STB,
CTG_ACT_REMOVE_TBL,
CTG_ACT_UPDATE_USER,
CTG_ACT_MAX
};
typedef enum {
CTG_TASK_GET_QNODE = 0,
CTG_TASK_GET_DB_VGROUP,
CTG_TASK_GET_DB_CFG,
CTG_TASK_GET_TB_META,
CTG_TASK_GET_TB_HASH,
CTG_TASK_GET_INDEX,
CTG_TASK_GET_UDF,
CTG_TASK_GET_USER,
} CTG_TASK_TYPE;
typedef struct SCtgDebug {
bool lockEnable;
bool cacheEnable;
bool apiEnable;
bool metaEnable;
uint32_t showCachePeriodSec;
} SCtgDebug;
typedef struct SCtgTbCacheInfo {
bool inCache;
uint64_t dbId;
uint64_t suid;
int32_t tbType;
} SCtgTbCacheInfo;
typedef struct SCtgTbMetaCtx {
SCtgTbCacheInfo tbInfo;
SName* pName;
int32_t flag;
} SCtgTbMetaCtx;
typedef struct SCtgDbVgCtx {
char dbFName[TSDB_DB_FNAME_LEN];
} SCtgDbVgCtx;
typedef struct SCtgDbCfgCtx {
char dbFName[TSDB_DB_FNAME_LEN];
} SCtgDbCfgCtx;
typedef struct SCtgTbHashCtx {
char dbFName[TSDB_DB_FNAME_LEN];
SName* pName;
} SCtgTbHashCtx;
typedef struct SCtgIndexCtx {
char indexFName[TSDB_INDEX_FNAME_LEN];
} SCtgIndexCtx;
typedef struct SCtgUdfCtx {
char udfName[TSDB_FUNC_NAME_LEN];
} SCtgUdfCtx;
typedef struct SCtgUserCtx {
SUserAuthInfo user;
} SCtgUserCtx;
typedef struct SCtgTbMetaCache {
SRWLatch stbLock;
SRWLatch metaLock; // RC between cache destroy and all other operations
SHashObj *metaCache; //key:tbname, value:STableMeta
SHashObj *stbCache; //key:suid, value:STableMeta*
} SCtgTbMetaCache;
typedef struct SCtgDBCache {
SRWLatch vgLock;
uint64_t dbId;
int8_t deleted;
SDBVgInfo *vgInfo;
SCtgTbMetaCache tbCache;
} SCtgDBCache;
typedef struct SCtgRentSlot {
SRWLatch lock;
bool needSort;
SArray *meta; // element is SDbVgVersion or SSTableMetaVersion
} SCtgRentSlot;
typedef struct SCtgRentMgmt {
int8_t type;
uint16_t slotNum;
uint16_t slotRIdx;
int64_t lastReadMsec;
SCtgRentSlot *slots;
} SCtgRentMgmt;
typedef struct SCtgUserAuth {
int32_t version;
SRWLatch lock;
bool superUser;
SHashObj *createdDbs;
SHashObj *readDbs;
SHashObj *writeDbs;
} SCtgUserAuth;
typedef struct SCatalog {
uint64_t clusterId;
SHashObj *userCache; //key:user, value:SCtgUserAuth
SHashObj *dbCache; //key:dbname, value:SCtgDBCache
SCtgRentMgmt dbRent;
SCtgRentMgmt stbRent;
} SCatalog;
typedef struct SCtgJob {
int64_t refId;
SArray* pTasks;
int32_t taskDone;
SMetaData jobRes;
int32_t rspCode;
uint64_t queryId;
SCatalog* pCtg;
void* pTrans;
SEpSet pMgmtEps;
void* userParam;
catalogCallback userFp;
int32_t tbMetaNum;
int32_t tbHashNum;
int32_t dbVgNum;
int32_t udfNum;
int32_t qnodeNum;
int32_t dbCfgNum;
int32_t indexNum;
int32_t userNum;
} SCtgJob;
typedef struct SCtgMsgCtx {
int32_t reqType;
void* lastOut;
void* out;
char* target;
} SCtgMsgCtx;
typedef struct SCtgTask {
CTG_TASK_TYPE type;
int32_t taskId;
SCtgJob *pJob;
void* taskCtx;
SCtgMsgCtx msgCtx;
void* res;
} SCtgTask;
typedef int32_t (*ctgLanchTaskFp)(SCtgTask*);
typedef int32_t (*ctgHandleTaskMsgRspFp)(SCtgTask*, int32_t, const SDataBuf *, int32_t);
typedef int32_t (*ctgDumpTaskResFp)(SCtgTask*);
typedef struct SCtgAsyncFps {
ctgLanchTaskFp launchFp;
ctgHandleTaskMsgRspFp handleRspFp;
ctgDumpTaskResFp dumpResFp;
} SCtgAsyncFps;
typedef struct SCtgApiStat {
#ifdef WINDOWS
size_t avoidCompilationErrors;
#endif
} SCtgApiStat;
typedef struct SCtgRuntimeStat {
uint64_t qNum;
uint64_t qDoneNum;
} SCtgRuntimeStat;
typedef struct SCtgCacheStat {
uint64_t clusterNum;
uint64_t dbNum;
uint64_t tblNum;
uint64_t stblNum;
uint64_t userNum;
uint64_t vgHitNum;
uint64_t vgMissNum;
uint64_t tblHitNum;
uint64_t tblMissNum;
uint64_t userHitNum;
uint64_t userMissNum;
} SCtgCacheStat;
typedef struct SCatalogStat {
SCtgApiStat api;
SCtgRuntimeStat runtime;
SCtgCacheStat cache;
} SCatalogStat;
typedef struct SCtgUpdateMsgHeader {
SCatalog* pCtg;
} SCtgUpdateMsgHeader;
typedef struct SCtgUpdateVgMsg {
SCatalog* pCtg;
char dbFName[TSDB_DB_FNAME_LEN];
uint64_t dbId;
SDBVgInfo* dbInfo;
} SCtgUpdateVgMsg;
typedef struct SCtgUpdateTblMsg {
SCatalog* pCtg;
STableMetaOutput* output;
} SCtgUpdateTblMsg;
typedef struct SCtgRemoveDBMsg {
SCatalog* pCtg;
char dbFName[TSDB_DB_FNAME_LEN];
uint64_t dbId;
} SCtgRemoveDBMsg;
typedef struct SCtgRemoveStbMsg {
SCatalog* pCtg;
char dbFName[TSDB_DB_FNAME_LEN];
char stbName[TSDB_TABLE_NAME_LEN];
uint64_t dbId;
uint64_t suid;
} SCtgRemoveStbMsg;
typedef struct SCtgRemoveTblMsg {
SCatalog* pCtg;
char dbFName[TSDB_DB_FNAME_LEN];
char tbName[TSDB_TABLE_NAME_LEN];
uint64_t dbId;
} SCtgRemoveTblMsg;
typedef struct SCtgUpdateUserMsg {
SCatalog* pCtg;
SGetUserAuthRsp userAuth;
} SCtgUpdateUserMsg;
typedef struct SCtgMetaAction {
int32_t act;
void *data;
bool syncReq;
uint64_t seqId;
} SCtgMetaAction;
typedef struct SCtgQNode {
SCtgMetaAction action;
struct SCtgQNode *next;
} SCtgQNode;
typedef struct SCtgQueue {
SRWLatch qlock;
uint64_t seqId;
uint64_t seqDone;
SCtgQNode *head;
SCtgQNode *tail;
tsem_t reqSem;
tsem_t rspSem;
uint64_t qRemainNum;
} SCtgQueue;
typedef struct SCatalogMgmt {
bool exit;
int32_t jobPool;
SRWLatch lock;
SCtgQueue queue;
TdThread updateThread;
SHashObj *pCluster; //key: clusterId, value: SCatalog*
SCatalogStat stat;
SCatalogCfg cfg;
} SCatalogMgmt;
typedef uint32_t (*tableNameHashFp)(const char *, uint32_t);
typedef int32_t (*ctgActFunc)(SCtgMetaAction *);
typedef struct SCtgAction {
int32_t actId;
char name[32];
ctgActFunc func;
} SCtgAction;
#define CTG_QUEUE_ADD() atomic_add_fetch_64(&gCtgMgmt.queue.qRemainNum, 1)
#define CTG_QUEUE_SUB() atomic_sub_fetch_64(&gCtgMgmt.queue.qRemainNum, 1)
#define CTG_STAT_ADD(_item, _n) atomic_add_fetch_64(&(_item), _n)
#define CTG_STAT_SUB(_item, _n) atomic_sub_fetch_64(&(_item), _n)
#define CTG_STAT_GET(_item) atomic_load_64(&(_item))
#define CTG_RUNTIME_STAT_ADD(item, n) (CTG_STAT_ADD(gCtgMgmt.stat.runtime.item, n))
#define CTG_CACHE_STAT_ADD(item, n) (CTG_STAT_ADD(gCtgMgmt.stat.cache.item, n))
#define CTG_CACHE_STAT_SUB(item, n) (CTG_STAT_SUB(gCtgMgmt.stat.cache.item, n))
#define CTG_IS_META_NULL(type) ((type) == META_TYPE_NULL_TABLE)
#define CTG_IS_META_CTABLE(type) ((type) == META_TYPE_CTABLE)
#define CTG_IS_META_TABLE(type) ((type) == META_TYPE_TABLE)
#define CTG_IS_META_BOTH(type) ((type) == META_TYPE_BOTH_TABLE)
#define CTG_FLAG_STB 0x1
#define CTG_FLAG_NOT_STB 0x2
#define CTG_FLAG_UNKNOWN_STB 0x4
#define CTG_FLAG_SYS_DB 0x8
#define CTG_FLAG_FORCE_UPDATE 0x10
#define CTG_FLAG_SET(_flag, _v) ((_flag) |= (_v))
#define CTG_FLAG_IS_STB(_flag) ((_flag) & CTG_FLAG_STB)
#define CTG_FLAG_IS_NOT_STB(_flag) ((_flag) & CTG_FLAG_NOT_STB)
#define CTG_FLAG_IS_UNKNOWN_STB(_flag) ((_flag) & CTG_FLAG_UNKNOWN_STB)
#define CTG_FLAG_IS_SYS_DB(_flag) ((_flag) & CTG_FLAG_SYS_DB)
#define CTG_FLAG_IS_FORCE_UPDATE(_flag) ((_flag) & CTG_FLAG_FORCE_UPDATE)
#define CTG_FLAG_SET_SYS_DB(_flag) ((_flag) |= CTG_FLAG_SYS_DB)
#define CTG_FLAG_SET_STB(_flag, tbType) do { (_flag) |= ((tbType) == TSDB_SUPER_TABLE) ? CTG_FLAG_STB : ((tbType) > TSDB_SUPER_TABLE ? CTG_FLAG_NOT_STB : CTG_FLAG_UNKNOWN_STB); } while (0)
#define CTG_FLAG_MAKE_STB(_isStb) (((_isStb) == 1) ? CTG_FLAG_STB : ((_isStb) == 0 ? CTG_FLAG_NOT_STB : CTG_FLAG_UNKNOWN_STB))
#define CTG_FLAG_MATCH_STB(_flag, tbType) (CTG_FLAG_IS_UNKNOWN_STB(_flag) || (CTG_FLAG_IS_STB(_flag) && (tbType) == TSDB_SUPER_TABLE) || (CTG_FLAG_IS_NOT_STB(_flag) && (tbType) != TSDB_SUPER_TABLE))
#define CTG_IS_SYS_DBNAME(_dbname) (((*(_dbname) == 'i') && (0 == strcmp(_dbname, TSDB_INFORMATION_SCHEMA_DB))) || ((*(_dbname) == 'p') && (0 == strcmp(_dbname, TSDB_PERFORMANCE_SCHEMA_DB))))
#define CTG_META_SIZE(pMeta) (sizeof(STableMeta) + ((pMeta)->tableInfo.numOfTags + (pMeta)->tableInfo.numOfColumns) * sizeof(SSchema))
#define CTG_TABLE_NOT_EXIST(code) (code == CTG_ERR_CODE_TABLE_NOT_EXIST)
#define CTG_DB_NOT_EXIST(code) (code == TSDB_CODE_MND_DB_NOT_EXIST)
#define ctgFatal(param, ...) qFatal("CTG:%p " param, pCtg, __VA_ARGS__)
#define ctgError(param, ...) qError("CTG:%p " param, pCtg, __VA_ARGS__)
#define ctgWarn(param, ...) qWarn("CTG:%p " param, pCtg, __VA_ARGS__)
#define ctgInfo(param, ...) qInfo("CTG:%p " param, pCtg, __VA_ARGS__)
#define ctgDebug(param, ...) qDebug("CTG:%p " param, pCtg, __VA_ARGS__)
#define ctgTrace(param, ...) qTrace("CTG:%p " param, pCtg, __VA_ARGS__)
#define CTG_LOCK_DEBUG(...) do { if (gCTGDebug.lockEnable) { qDebug(__VA_ARGS__); } } while (0)
#define CTG_CACHE_DEBUG(...) do { if (gCTGDebug.cacheEnable) { qDebug(__VA_ARGS__); } } while (0)
#define CTG_API_DEBUG(...) do { if (gCTGDebug.apiEnable) { qDebug(__VA_ARGS__); } } while (0)
#define TD_RWLATCH_WRITE_FLAG_COPY 0x40000000
#define CTG_IS_LOCKED(_lock) atomic_load_32((_lock))
#define CTG_LOCK(type, _lock) do { \
if (CTG_READ == (type)) { \
assert(atomic_load_32((_lock)) >= 0); \
CTG_LOCK_DEBUG("CTG RLOCK%p:%d, %s:%d B", (_lock), atomic_load_32(_lock), __FILE__, __LINE__); \
taosRLockLatch(_lock); \
CTG_LOCK_DEBUG("CTG RLOCK%p:%d, %s:%d E", (_lock), atomic_load_32(_lock), __FILE__, __LINE__); \
assert(atomic_load_32((_lock)) > 0); \
} else { \
assert(atomic_load_32((_lock)) >= 0); \
CTG_LOCK_DEBUG("CTG WLOCK%p:%d, %s:%d B", (_lock), atomic_load_32(_lock), __FILE__, __LINE__); \
taosWLockLatch(_lock); \
CTG_LOCK_DEBUG("CTG WLOCK%p:%d, %s:%d E", (_lock), atomic_load_32(_lock), __FILE__, __LINE__); \
assert(atomic_load_32((_lock)) == TD_RWLATCH_WRITE_FLAG_COPY); \
} \
} while (0)
#define CTG_UNLOCK(type, _lock) do { \
if (CTG_READ == (type)) { \
assert(atomic_load_32((_lock)) > 0); \
CTG_LOCK_DEBUG("CTG RULOCK%p:%d, %s:%d B", (_lock), atomic_load_32(_lock), __FILE__, __LINE__); \
taosRUnLockLatch(_lock); \
CTG_LOCK_DEBUG("CTG RULOCK%p:%d, %s:%d E", (_lock), atomic_load_32(_lock), __FILE__, __LINE__); \
assert(atomic_load_32((_lock)) >= 0); \
} else { \
assert(atomic_load_32((_lock)) == TD_RWLATCH_WRITE_FLAG_COPY); \
CTG_LOCK_DEBUG("CTG WULOCK%p:%d, %s:%d B", (_lock), atomic_load_32(_lock), __FILE__, __LINE__); \
taosWUnLockLatch(_lock); \
CTG_LOCK_DEBUG("CTG WULOCK%p:%d, %s:%d E", (_lock), atomic_load_32(_lock), __FILE__, __LINE__); \
assert(atomic_load_32((_lock)) >= 0); \
} \
} while (0)
#define CTG_ERR_RET(c) do { int32_t _code = c; if (_code != TSDB_CODE_SUCCESS) { terrno = _code; return _code; } } while (0)
#define CTG_RET(c) do { int32_t _code = c; if (_code != TSDB_CODE_SUCCESS) { terrno = _code; } return _code; } while (0)
#define CTG_ERR_JRET(c) do { code = c; if (code != TSDB_CODE_SUCCESS) { terrno = code; goto _return; } } while (0)
#define CTG_API_LEAVE(c) do { int32_t __code = c; CTG_UNLOCK(CTG_READ, &gCtgMgmt.lock); CTG_API_DEBUG("CTG API leave %s", __FUNCTION__); CTG_RET(__code); } while (0)
#define CTG_API_ENTER() do { CTG_API_DEBUG("CTG API enter %s", __FUNCTION__); CTG_LOCK(CTG_READ, &gCtgMgmt.lock); if (atomic_load_8((int8_t*)&gCtgMgmt.exit)) { CTG_API_LEAVE(TSDB_CODE_CTG_OUT_OF_SERVICE); } } while (0)
#define CTG_PARAMS SCatalog* pCtg, void *pTrans, const SEpSet* pMgmtEps
#define CTG_PARAMS_LIST() pCtg, pTrans, pMgmtEps
void ctgdShowTableMeta(SCatalog* pCtg, const char *tbName, STableMeta* p);
void ctgdShowClusterCache(SCatalog* pCtg);
int32_t ctgdShowCacheInfo(void);
int32_t ctgRemoveTbMetaFromCache(SCatalog* pCtg, SName* pTableName, bool syncReq);
int32_t ctgGetTbMetaFromCache(CTG_PARAMS, SCtgTbMetaCtx* ctx, STableMeta** pTableMeta);
int32_t ctgActUpdateVg(SCtgMetaAction *action);
int32_t ctgActUpdateTb(SCtgMetaAction *action);
int32_t ctgActRemoveDB(SCtgMetaAction *action);
int32_t ctgActRemoveStb(SCtgMetaAction *action);
int32_t ctgActRemoveTb(SCtgMetaAction *action);
int32_t ctgActUpdateUser(SCtgMetaAction *action);
int32_t ctgAcquireVgInfoFromCache(SCatalog* pCtg, const char *dbFName, SCtgDBCache **pCache);
void ctgReleaseDBCache(SCatalog *pCtg, SCtgDBCache *dbCache);
void ctgReleaseVgInfo(SCtgDBCache *dbCache);
int32_t ctgAcquireVgInfoFromCache(SCatalog* pCtg, const char *dbFName, SCtgDBCache **pCache);
int32_t ctgTbMetaExistInCache(SCatalog* pCtg, char *dbFName, char* tbName, int32_t *exist);
int32_t ctgReadTbMetaFromCache(SCatalog* pCtg, SCtgTbMetaCtx* ctx, STableMeta** pTableMeta);
int32_t ctgReadTbSverFromCache(SCatalog *pCtg, const SName *pTableName, int32_t *sver, int32_t *tbType, uint64_t *suid, char *stbName);
int32_t ctgChkAuthFromCache(SCatalog* pCtg, const char* user, const char* dbFName, AUTH_TYPE type, bool *inCache, bool *pass);
int32_t ctgPutRmDBToQueue(SCatalog* pCtg, const char *dbFName, int64_t dbId);
int32_t ctgPutRmStbToQueue(SCatalog* pCtg, const char *dbFName, int64_t dbId, const char *stbName, uint64_t suid, bool syncReq);
int32_t ctgPutRmTbToQueue(SCatalog* pCtg, const char *dbFName, int64_t dbId, const char *tbName, bool syncReq);
int32_t ctgPutUpdateVgToQueue(SCatalog* pCtg, const char *dbFName, int64_t dbId, SDBVgInfo* dbInfo, bool syncReq);
int32_t ctgPutUpdateTbToQueue(SCatalog* pCtg, STableMetaOutput *output, bool syncReq);
int32_t ctgPutUpdateUserToQueue(SCatalog* pCtg, SGetUserAuthRsp *pAuth, bool syncReq);
int32_t ctgMetaRentInit(SCtgRentMgmt *mgmt, uint32_t rentSec, int8_t type);
int32_t ctgMetaRentAdd(SCtgRentMgmt *mgmt, void *meta, int64_t id, int32_t size);
int32_t ctgMetaRentGet(SCtgRentMgmt *mgmt, void **res, uint32_t *num, int32_t size);
int32_t ctgUpdateTbMetaToCache(SCatalog* pCtg, STableMetaOutput* pOut, bool syncReq);
int32_t ctgStartUpdateThread();
int32_t ctgRelaunchGetTbMetaTask(SCtgTask *pTask);
int32_t ctgProcessRspMsg(void* out, int32_t reqType, char* msg, int32_t msgSize, int32_t rspCode, char* target);
int32_t ctgGetDBVgInfoFromMnode(CTG_PARAMS, SBuildUseDBInput *input, SUseDbOutput *out, SCtgTask* pTask);
int32_t ctgGetQnodeListFromMnode(CTG_PARAMS, SArray *out, SCtgTask* pTask);
int32_t ctgGetDBCfgFromMnode(CTG_PARAMS, const char *dbFName, SDbCfgInfo *out, SCtgTask* pTask);
int32_t ctgGetIndexInfoFromMnode(CTG_PARAMS, const char *indexName, SIndexInfo *out, SCtgTask* pTask);
int32_t ctgGetUdfInfoFromMnode(CTG_PARAMS, const char *funcName, SFuncInfo *out, SCtgTask* pTask);
int32_t ctgGetUserDbAuthFromMnode(CTG_PARAMS, const char *user, SGetUserAuthRsp *out, SCtgTask* pTask);
int32_t ctgGetTbMetaFromMnodeImpl(CTG_PARAMS, char *dbFName, char* tbName, STableMetaOutput* out, SCtgTask* pTask);
int32_t ctgGetTbMetaFromMnode(CTG_PARAMS, const SName* pTableName, STableMetaOutput* out, SCtgTask* pTask);
int32_t ctgGetTbMetaFromVnode(CTG_PARAMS, const SName* pTableName, SVgroupInfo *vgroupInfo, STableMetaOutput* out, SCtgTask* pTask);
int32_t ctgInitJob(CTG_PARAMS, SCtgJob** job, uint64_t reqId, const SCatalogReq* pReq, catalogCallback fp, void* param);
int32_t ctgLaunchJob(SCtgJob *pJob);
int32_t ctgMakeAsyncRes(SCtgJob *pJob);
int32_t ctgCloneVgInfo(SDBVgInfo *src, SDBVgInfo **dst);
int32_t ctgCloneMetaOutput(STableMetaOutput *output, STableMetaOutput **pOutput);
int32_t ctgGenerateVgList(SCatalog *pCtg, SHashObj *vgHash, SArray** pList);
void ctgFreeJob(void* job);
void ctgFreeHandle(SCatalog* pCtg);
void ctgFreeVgInfo(SDBVgInfo *vgInfo);
int32_t ctgGetVgInfoFromHashValue(SCatalog *pCtg, SDBVgInfo *dbInfo, const SName *pTableName, SVgroupInfo *pVgroup);
void ctgResetTbMetaTask(SCtgTask* pTask);
void ctgFreeDbCache(SCtgDBCache *dbCache);
int32_t ctgStbVersionSortCompare(const void* key1, const void* key2);
int32_t ctgDbVgVersionSortCompare(const void* key1, const void* key2);
int32_t ctgStbVersionSearchCompare(const void* key1, const void* key2);
int32_t ctgDbVgVersionSearchCompare(const void* key1, const void* key2);
void ctgFreeSTableMetaOutput(STableMetaOutput* pOutput);
int32_t ctgUpdateMsgCtx(SCtgMsgCtx* pCtx, int32_t reqType, void* out, char* target);
extern SCatalogMgmt gCtgMgmt;
extern SCtgDebug gCTGDebug;
extern SCtgAsyncFps gCtgAsyncFps[];
#ifdef __cplusplus
}
#endif
#endif /*_TD_CATALOG_INT_H_*/
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