homework-jianmu/source/dnode/vnode/src/meta/metaQuery.c

1516 lines
37 KiB
C

/*
* 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/>.
*/
#include "meta.h"
#include "osMemory.h"
#include "tencode.h"
void _metaReaderInit(SMetaReader* pReader, void* pVnode, int32_t flags, SStoreMeta* pAPI) {
SMeta* pMeta = ((SVnode*)pVnode)->pMeta;
metaReaderDoInit(pReader, pMeta, flags);
pReader->pAPI = pAPI;
}
void metaReaderDoInit(SMetaReader *pReader, SMeta *pMeta, int32_t flags) {
memset(pReader, 0, sizeof(*pReader));
pReader->pMeta = pMeta;
pReader->flags = flags;
if (pReader->pMeta && !(flags & META_READER_NOLOCK)) {
metaRLock(pMeta);
}
}
void metaReaderReleaseLock(SMetaReader *pReader) {
if (pReader->pMeta && !(pReader->flags & META_READER_NOLOCK)) {
metaULock(pReader->pMeta);
pReader->flags |= META_READER_NOLOCK;
}
}
void metaReaderClear(SMetaReader *pReader) {
if (pReader->pMeta && !(pReader->flags & META_READER_NOLOCK)) {
metaULock(pReader->pMeta);
}
tDecoderClear(&pReader->coder);
tdbFree(pReader->pBuf);
}
int metaGetTableEntryByVersion(SMetaReader *pReader, int64_t version, tb_uid_t uid) {
SMeta *pMeta = pReader->pMeta;
STbDbKey tbDbKey = {.version = version, .uid = uid};
// query table.db
if (tdbTbGet(pMeta->pTbDb, &tbDbKey, sizeof(tbDbKey), &pReader->pBuf, &pReader->szBuf) < 0) {
terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST;
goto _err;
}
// decode the entry
tDecoderInit(&pReader->coder, pReader->pBuf, pReader->szBuf);
if (metaDecodeEntry(&pReader->coder, &pReader->me) < 0) {
goto _err;
}
return 0;
_err:
return -1;
}
bool metaIsTableExist(void *pVnode, tb_uid_t uid) {
SVnode *pVnodeObj = pVnode;
metaRLock(pVnodeObj->pMeta); // query uid.idx
if (tdbTbGet(pVnodeObj->pMeta->pUidIdx, &uid, sizeof(uid), NULL, NULL) < 0) {
metaULock(pVnodeObj->pMeta);
return false;
}
metaULock(pVnodeObj->pMeta);
return true;
}
int metaReaderGetTableEntryByUid(SMetaReader *pReader, tb_uid_t uid) {
SMeta *pMeta = pReader->pMeta;
int64_t version1;
// query uid.idx
if (tdbTbGet(pMeta->pUidIdx, &uid, sizeof(uid), &pReader->pBuf, &pReader->szBuf) < 0) {
terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST;
return -1;
}
version1 = ((SUidIdxVal *)pReader->pBuf)[0].version;
return metaGetTableEntryByVersion(pReader, version1, uid);
}
int metaReaderGetTableEntryByUidCache(SMetaReader *pReader, tb_uid_t uid) {
SMeta *pMeta = pReader->pMeta;
SMetaInfo info;
if (metaGetInfo(pMeta, uid, &info, pReader) == TSDB_CODE_NOT_FOUND) {
terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST;
return -1;
}
return metaGetTableEntryByVersion(pReader, info.version, uid);
}
int metaGetTableEntryByName(SMetaReader *pReader, const char *name) {
SMeta *pMeta = pReader->pMeta;
tb_uid_t uid;
// query name.idx
if (tdbTbGet(pMeta->pNameIdx, name, strlen(name) + 1, &pReader->pBuf, &pReader->szBuf) < 0) {
terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST;
return -1;
}
uid = *(tb_uid_t *)pReader->pBuf;
return metaReaderGetTableEntryByUid(pReader, uid);
}
tb_uid_t metaGetTableEntryUidByName(SMeta *pMeta, const char *name) {
void *pData = NULL;
int nData = 0;
tb_uid_t uid = 0;
metaRLock(pMeta);
if (tdbTbGet(pMeta->pNameIdx, name, strlen(name) + 1, &pData, &nData) == 0) {
uid = *(tb_uid_t *)pData;
tdbFree(pData);
}
metaULock(pMeta);
return uid;
}
int metaGetTableNameByUid(void *pVnode, uint64_t uid, char *tbName) {
int code = 0;
SMetaReader mr = {0};
metaReaderDoInit(&mr, ((SVnode*)pVnode)->pMeta, 0);
code = metaReaderGetTableEntryByUid(&mr, uid);
if (code < 0) {
metaReaderClear(&mr);
return -1;
}
STR_TO_VARSTR(tbName, mr.me.name);
metaReaderClear(&mr);
return 0;
}
int metaGetTableSzNameByUid(void *meta, uint64_t uid, char *tbName) {
int code = 0;
SMetaReader mr = {0};
metaReaderDoInit(&mr, (SMeta *)meta, 0);
code = metaReaderGetTableEntryByUid(&mr, uid);
if (code < 0) {
metaReaderClear(&mr);
return -1;
}
strncpy(tbName, mr.me.name, TSDB_TABLE_NAME_LEN);
metaReaderClear(&mr);
return 0;
}
int metaGetTableUidByName(void *pVnode, char *tbName, uint64_t *uid) {
int code = 0;
SMetaReader mr = {0};
metaReaderDoInit(&mr, ((SVnode *)pVnode)->pMeta, 0);
SMetaReader *pReader = &mr;
// query name.idx
if (tdbTbGet(((SMeta *)pReader->pMeta)->pNameIdx, tbName, strlen(tbName) + 1, &pReader->pBuf, &pReader->szBuf) < 0) {
terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST;
metaReaderClear(&mr);
return -1;
}
*uid = *(tb_uid_t *)pReader->pBuf;
metaReaderClear(&mr);
return 0;
}
int metaGetTableTypeByName(void *pVnode, char *tbName, ETableType *tbType) {
int code = 0;
SMetaReader mr = {0};
metaReaderDoInit(&mr, ((SVnode*)pVnode)->pMeta, 0);
code = metaGetTableEntryByName(&mr, tbName);
if (code == 0) *tbType = mr.me.type;
metaReaderClear(&mr);
return code;
}
int metaReadNext(SMetaReader *pReader) {
SMeta *pMeta = pReader->pMeta;
// TODO
return 0;
}
int metaGetTableTtlByUid(void *meta, uint64_t uid, int64_t *ttlDays) {
int code = -1;
SMetaReader mr = {0};
metaReaderDoInit(&mr, (SMeta *)meta, 0);
code = metaReaderGetTableEntryByUid(&mr, uid);
if (code < 0) {
goto _exit;
}
if (mr.me.type == TSDB_CHILD_TABLE) {
*ttlDays = mr.me.ctbEntry.ttlDays;
} else if (mr.me.type == TSDB_NORMAL_TABLE) {
*ttlDays = mr.me.ntbEntry.ttlDays;
} else {
goto _exit;
}
code = 0;
_exit:
metaReaderClear(&mr);
return code;
}
#if 1 // ===================================================
SMTbCursor *metaOpenTbCursor(void *pVnode) {
SMTbCursor *pTbCur = NULL;
pTbCur = (SMTbCursor *)taosMemoryCalloc(1, sizeof(*pTbCur));
if (pTbCur == NULL) {
return NULL;
}
SVnode* pVnodeObj = pVnode;
// tdbTbcMoveToFirst((TBC *)pTbCur->pDbc);
pTbCur->pMeta = pVnodeObj->pMeta;
pTbCur->paused = 1;
metaResumeTbCursor(pTbCur, 1);
return pTbCur;
}
void metaCloseTbCursor(SMTbCursor *pTbCur) {
if (pTbCur) {
tdbFree(pTbCur->pKey);
tdbFree(pTbCur->pVal);
if (!pTbCur->paused) {
metaReaderClear(&pTbCur->mr);
if (pTbCur->pDbc) {
tdbTbcClose((TBC *)pTbCur->pDbc);
}
}
taosMemoryFree(pTbCur);
}
}
void metaPauseTbCursor(SMTbCursor *pTbCur) {
if (!pTbCur->paused) {
metaReaderClear(&pTbCur->mr);
tdbTbcClose((TBC *)pTbCur->pDbc);
pTbCur->paused = 1;
}
}
void metaResumeTbCursor(SMTbCursor *pTbCur, int8_t first) {
if (pTbCur->paused) {
metaReaderDoInit(&pTbCur->mr, pTbCur->pMeta, 0);
tdbTbcOpen(((SMeta *)pTbCur->pMeta)->pUidIdx, (TBC **)&pTbCur->pDbc, NULL);
if (first) {
tdbTbcMoveToFirst((TBC *)pTbCur->pDbc);
} else {
int c = 0;
tdbTbcMoveTo(pTbCur->pDbc, pTbCur->pKey, pTbCur->kLen, &c);
if (c < 0) {
tdbTbcMoveToPrev(pTbCur->pDbc);
} else {
tdbTbcMoveToNext(pTbCur->pDbc);
}
}
pTbCur->paused = 0;
}
}
int32_t metaTbCursorNext(SMTbCursor *pTbCur, ETableType jumpTableType) {
int ret;
void *pBuf;
STbCfg tbCfg;
for (;;) {
ret = tdbTbcNext((TBC *)pTbCur->pDbc, &pTbCur->pKey, &pTbCur->kLen, &pTbCur->pVal, &pTbCur->vLen);
if (ret < 0) {
return -1;
}
tDecoderClear(&pTbCur->mr.coder);
metaGetTableEntryByVersion(&pTbCur->mr, ((SUidIdxVal *)pTbCur->pVal)[0].version, *(tb_uid_t *)pTbCur->pKey);
if (pTbCur->mr.me.type == jumpTableType) {
continue;
}
break;
}
return 0;
}
int32_t metaTbCursorPrev(SMTbCursor *pTbCur, ETableType jumpTableType) {
int ret;
void *pBuf;
STbCfg tbCfg;
for (;;) {
ret = tdbTbcPrev((TBC *)pTbCur->pDbc, &pTbCur->pKey, &pTbCur->kLen, &pTbCur->pVal, &pTbCur->vLen);
if (ret < 0) {
return -1;
}
tDecoderClear(&pTbCur->mr.coder);
metaGetTableEntryByVersion(&pTbCur->mr, ((SUidIdxVal *)pTbCur->pVal)[0].version, *(tb_uid_t *)pTbCur->pKey);
if (pTbCur->mr.me.type == jumpTableType) {
continue;
}
break;
}
return 0;
}
SSchemaWrapper *metaGetTableSchema(SMeta *pMeta, tb_uid_t uid, int32_t sver, int lock) {
void *pData = NULL;
int nData = 0;
int64_t version;
SSchemaWrapper schema = {0};
SSchemaWrapper *pSchema = NULL;
SDecoder dc = {0};
if (lock) {
metaRLock(pMeta);
}
_query:
if (tdbTbGet(pMeta->pUidIdx, &uid, sizeof(uid), &pData, &nData) < 0) {
goto _err;
}
version = ((SUidIdxVal *)pData)[0].version;
tdbTbGet(pMeta->pTbDb, &(STbDbKey){.uid = uid, .version = version}, sizeof(STbDbKey), &pData, &nData);
SMetaEntry me = {0};
tDecoderInit(&dc, pData, nData);
metaDecodeEntry(&dc, &me);
if (me.type == TSDB_SUPER_TABLE) {
if (sver == -1 || sver == me.stbEntry.schemaRow.version) {
pSchema = tCloneSSchemaWrapper(&me.stbEntry.schemaRow);
tDecoderClear(&dc);
goto _exit;
}
} else if (me.type == TSDB_CHILD_TABLE) {
uid = me.ctbEntry.suid;
tDecoderClear(&dc);
goto _query;
} else {
if (sver == -1 || sver == me.ntbEntry.schemaRow.version) {
pSchema = tCloneSSchemaWrapper(&me.ntbEntry.schemaRow);
tDecoderClear(&dc);
goto _exit;
}
}
tDecoderClear(&dc);
// query from skm db
if (tdbTbGet(pMeta->pSkmDb, &(SSkmDbKey){.uid = uid, .sver = sver}, sizeof(SSkmDbKey), &pData, &nData) < 0) {
goto _err;
}
tDecoderInit(&dc, pData, nData);
tDecodeSSchemaWrapperEx(&dc, &schema);
pSchema = tCloneSSchemaWrapper(&schema);
tDecoderClear(&dc);
_exit:
if (lock) {
metaULock(pMeta);
}
tdbFree(pData);
return pSchema;
_err:
if (lock) {
metaULock(pMeta);
}
tdbFree(pData);
return NULL;
}
SMCtbCursor *metaOpenCtbCursor(void* pVnode, tb_uid_t uid, int lock) {
SMeta* pMeta = ((SVnode*)pVnode)->pMeta;
SMCtbCursor *pCtbCur = NULL;
SCtbIdxKey ctbIdxKey;
int ret = 0;
int c = 0;
pCtbCur = (SMCtbCursor *)taosMemoryCalloc(1, sizeof(*pCtbCur));
if (pCtbCur == NULL) {
return NULL;
}
pCtbCur->pMeta = pMeta;
pCtbCur->suid = uid;
if (lock) {
metaRLock(pMeta);
}
ret = tdbTbcOpen(pMeta->pCtbIdx, &pCtbCur->pCur, NULL);
if (ret < 0) {
metaULock(pMeta);
taosMemoryFree(pCtbCur);
return NULL;
}
// move to the suid
ctbIdxKey.suid = uid;
ctbIdxKey.uid = INT64_MIN;
tdbTbcMoveTo(pCtbCur->pCur, &ctbIdxKey, sizeof(ctbIdxKey), &c);
if (c > 0) {
tdbTbcMoveToNext(pCtbCur->pCur);
}
return pCtbCur;
}
void metaCloseCtbCursor(SMCtbCursor *pCtbCur, int lock) {
if (pCtbCur) {
if (pCtbCur->pMeta && lock) metaULock(pCtbCur->pMeta);
if (pCtbCur->pCur) {
tdbTbcClose(pCtbCur->pCur);
tdbFree(pCtbCur->pKey);
tdbFree(pCtbCur->pVal);
}
taosMemoryFree(pCtbCur);
}
}
tb_uid_t metaCtbCursorNext(SMCtbCursor *pCtbCur) {
int ret;
SCtbIdxKey *pCtbIdxKey;
ret = tdbTbcNext(pCtbCur->pCur, &pCtbCur->pKey, &pCtbCur->kLen, &pCtbCur->pVal, &pCtbCur->vLen);
if (ret < 0) {
return 0;
}
pCtbIdxKey = pCtbCur->pKey;
if (pCtbIdxKey->suid > pCtbCur->suid) {
return 0;
}
return pCtbIdxKey->uid;
}
struct SMStbCursor {
SMeta *pMeta;
TBC *pCur;
tb_uid_t suid;
void *pKey;
void *pVal;
int kLen;
int vLen;
};
SMStbCursor *metaOpenStbCursor(SMeta *pMeta, tb_uid_t suid) {
SMStbCursor *pStbCur = NULL;
int ret = 0;
int c = 0;
pStbCur = (SMStbCursor *)taosMemoryCalloc(1, sizeof(*pStbCur));
if (pStbCur == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
pStbCur->pMeta = pMeta;
pStbCur->suid = suid;
metaRLock(pMeta);
ret = tdbTbcOpen(pMeta->pSuidIdx, &pStbCur->pCur, NULL);
if (ret < 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
metaULock(pMeta);
taosMemoryFree(pStbCur);
return NULL;
}
// move to the suid
tdbTbcMoveTo(pStbCur->pCur, &suid, sizeof(suid), &c);
if (c > 0) {
tdbTbcMoveToNext(pStbCur->pCur);
}
return pStbCur;
}
void metaCloseStbCursor(SMStbCursor *pStbCur) {
if (pStbCur) {
if (pStbCur->pMeta) metaULock(pStbCur->pMeta);
if (pStbCur->pCur) {
tdbTbcClose(pStbCur->pCur);
tdbFree(pStbCur->pKey);
tdbFree(pStbCur->pVal);
}
taosMemoryFree(pStbCur);
}
}
tb_uid_t metaStbCursorNext(SMStbCursor *pStbCur) {
int ret;
ret = tdbTbcNext(pStbCur->pCur, &pStbCur->pKey, &pStbCur->kLen, &pStbCur->pVal, &pStbCur->vLen);
if (ret < 0) {
return 0;
}
return *(tb_uid_t *)pStbCur->pKey;
}
STSchema *metaGetTbTSchema(SMeta *pMeta, tb_uid_t uid, int32_t sver, int lock) {
STSchema *pTSchema = NULL;
SSchemaWrapper *pSW = NULL;
pSW = metaGetTableSchema(pMeta, uid, sver, lock);
if (!pSW) return NULL;
pTSchema = tBuildTSchema(pSW->pSchema, pSW->nCols, pSW->version);
taosMemoryFree(pSW->pSchema);
taosMemoryFree(pSW);
return pTSchema;
}
int32_t metaGetTbTSchemaEx(SMeta *pMeta, tb_uid_t suid, tb_uid_t uid, int32_t sver, STSchema **ppTSchema) {
int32_t code = 0;
void *pData = NULL;
int nData = 0;
SSkmDbKey skmDbKey;
if (sver <= 0) {
SMetaInfo info;
if (metaGetInfo(pMeta, suid ? suid : uid, &info, NULL) == 0) {
sver = info.skmVer;
} else {
TBC *pSkmDbC = NULL;
int c;
skmDbKey.uid = suid ? suid : uid;
skmDbKey.sver = INT32_MAX;
tdbTbcOpen(pMeta->pSkmDb, &pSkmDbC, NULL);
metaRLock(pMeta);
if (tdbTbcMoveTo(pSkmDbC, &skmDbKey, sizeof(skmDbKey), &c) < 0) {
metaULock(pMeta);
tdbTbcClose(pSkmDbC);
code = TSDB_CODE_NOT_FOUND;
goto _exit;
}
if (c == 0) {
metaULock(pMeta);
tdbTbcClose(pSkmDbC);
code = TSDB_CODE_FAILED;
metaError("meta/query: incorrect c: %" PRId32 ".", c);
goto _exit;
}
if (c < 0) {
tdbTbcMoveToPrev(pSkmDbC);
}
const void *pKey = NULL;
int32_t nKey = 0;
tdbTbcGet(pSkmDbC, &pKey, &nKey, NULL, NULL);
if (((SSkmDbKey *)pKey)->uid != skmDbKey.uid) {
metaULock(pMeta);
tdbTbcClose(pSkmDbC);
code = TSDB_CODE_NOT_FOUND;
goto _exit;
}
sver = ((SSkmDbKey *)pKey)->sver;
metaULock(pMeta);
tdbTbcClose(pSkmDbC);
}
}
if (ASSERTS(sver > 0, "failed to get table schema version: %d", sver)) {
code = TSDB_CODE_NOT_FOUND;
goto _exit;
}
skmDbKey.uid = suid ? suid : uid;
skmDbKey.sver = sver;
metaRLock(pMeta);
if (tdbTbGet(pMeta->pSkmDb, &skmDbKey, sizeof(SSkmDbKey), &pData, &nData) < 0) {
metaULock(pMeta);
code = TSDB_CODE_NOT_FOUND;
goto _exit;
}
metaULock(pMeta);
// decode
SDecoder dc = {0};
SSchemaWrapper schema;
SSchemaWrapper *pSchemaWrapper = &schema;
tDecoderInit(&dc, pData, nData);
(void)tDecodeSSchemaWrapper(&dc, pSchemaWrapper);
tDecoderClear(&dc);
tdbFree(pData);
// convert
STSchema *pTSchema = tBuildTSchema(pSchemaWrapper->pSchema, pSchemaWrapper->nCols, pSchemaWrapper->version);
if (pTSchema == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
*ppTSchema = pTSchema;
taosMemoryFree(pSchemaWrapper->pSchema);
_exit:
return code;
}
// N.B. Called by statusReq per second
int64_t metaGetTbNum(SMeta *pMeta) {
// num of child tables (excluding normal tables , stables and others)
/* int64_t num = 0; */
/* vnodeGetAllCtbNum(pMeta->pVnode, &num); */
return pMeta->pVnode->config.vndStats.numOfCTables + pMeta->pVnode->config.vndStats.numOfNTables;
}
// N.B. Called by statusReq per second
int64_t metaGetTimeSeriesNum(SMeta *pMeta) {
// sum of (number of columns of stable - 1) * number of ctables (excluding timestamp column)
if (pMeta->pVnode->config.vndStats.numOfTimeSeries <= 0 ||
++pMeta->pVnode->config.vndStats.itvTimeSeries % (60 * 5) == 0) {
int64_t num = 0;
vnodeGetTimeSeriesNum(pMeta->pVnode, &num);
pMeta->pVnode->config.vndStats.numOfTimeSeries = num;
pMeta->pVnode->config.vndStats.itvTimeSeries = (TD_VID(pMeta->pVnode) % 100) * 2;
}
return pMeta->pVnode->config.vndStats.numOfTimeSeries + pMeta->pVnode->config.vndStats.numOfNTimeSeries;
}
typedef struct {
SMeta *pMeta;
TBC *pCur;
tb_uid_t uid;
void *pKey;
void *pVal;
int kLen;
int vLen;
} SMSmaCursor;
SMSmaCursor *metaOpenSmaCursor(SMeta *pMeta, tb_uid_t uid) {
SMSmaCursor *pSmaCur = NULL;
SSmaIdxKey smaIdxKey;
int ret;
int c;
pSmaCur = (SMSmaCursor *)taosMemoryCalloc(1, sizeof(*pSmaCur));
if (pSmaCur == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
pSmaCur->pMeta = pMeta;
pSmaCur->uid = uid;
metaRLock(pMeta);
ret = tdbTbcOpen(pMeta->pSmaIdx, &pSmaCur->pCur, NULL);
if (ret < 0) {
metaULock(pMeta);
taosMemoryFree(pSmaCur);
return NULL;
}
// move to the suid
smaIdxKey.uid = uid;
smaIdxKey.smaUid = INT64_MIN;
tdbTbcMoveTo(pSmaCur->pCur, &smaIdxKey, sizeof(smaIdxKey), &c);
if (c > 0) {
tdbTbcMoveToNext(pSmaCur->pCur);
}
return pSmaCur;
}
void metaCloseSmaCursor(SMSmaCursor *pSmaCur) {
if (pSmaCur) {
if (pSmaCur->pMeta) metaULock(pSmaCur->pMeta);
if (pSmaCur->pCur) {
tdbTbcClose(pSmaCur->pCur);
tdbFree(pSmaCur->pKey);
tdbFree(pSmaCur->pVal);
}
taosMemoryFree(pSmaCur);
}
}
tb_uid_t metaSmaCursorNext(SMSmaCursor *pSmaCur) {
int ret;
SSmaIdxKey *pSmaIdxKey;
ret = tdbTbcNext(pSmaCur->pCur, &pSmaCur->pKey, &pSmaCur->kLen, &pSmaCur->pVal, &pSmaCur->vLen);
if (ret < 0) {
return 0;
}
pSmaIdxKey = pSmaCur->pKey;
if (pSmaIdxKey->uid > pSmaCur->uid) {
return 0;
}
return pSmaIdxKey->uid;
}
STSmaWrapper *metaGetSmaInfoByTable(SMeta *pMeta, tb_uid_t uid, bool deepCopy) {
STSmaWrapper *pSW = NULL;
SArray *pSmaIds = NULL;
if (!(pSmaIds = metaGetSmaIdsByTable(pMeta, uid))) {
return NULL;
}
pSW = taosMemoryCalloc(1, sizeof(*pSW));
if (!pSW) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
pSW->number = taosArrayGetSize(pSmaIds);
pSW->tSma = taosMemoryCalloc(pSW->number, sizeof(STSma));
if (!pSW->tSma) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
SMetaReader mr = {0};
metaReaderDoInit(&mr, pMeta, 0);
int64_t smaId;
int smaIdx = 0;
STSma *pTSma = NULL;
for (int i = 0; i < pSW->number; ++i) {
smaId = *(tb_uid_t *)taosArrayGet(pSmaIds, i);
if (metaReaderGetTableEntryByUid(&mr, smaId) < 0) {
tDecoderClear(&mr.coder);
metaWarn("vgId:%d, no entry for tbId:%" PRIi64 ", smaId:%" PRIi64, TD_VID(pMeta->pVnode), uid, smaId);
continue;
}
tDecoderClear(&mr.coder);
pTSma = pSW->tSma + smaIdx;
memcpy(pTSma, mr.me.smaEntry.tsma, sizeof(STSma));
if (deepCopy) {
if (pTSma->exprLen > 0) {
if (!(pTSma->expr = taosMemoryCalloc(1, pTSma->exprLen))) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
memcpy((void *)pTSma->expr, mr.me.smaEntry.tsma->expr, pTSma->exprLen);
}
if (pTSma->tagsFilterLen > 0) {
if (!(pTSma->tagsFilter = taosMemoryCalloc(1, pTSma->tagsFilterLen))) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
}
memcpy((void *)pTSma->tagsFilter, mr.me.smaEntry.tsma->tagsFilter, pTSma->tagsFilterLen);
} else {
pTSma->exprLen = 0;
pTSma->expr = NULL;
pTSma->tagsFilterLen = 0;
pTSma->tagsFilter = NULL;
}
++smaIdx;
}
if (smaIdx <= 0) goto _err;
pSW->number = smaIdx;
metaReaderClear(&mr);
taosArrayDestroy(pSmaIds);
return pSW;
_err:
metaReaderClear(&mr);
taosArrayDestroy(pSmaIds);
tFreeTSmaWrapper(pSW, deepCopy);
return NULL;
}
STSma *metaGetSmaInfoByIndex(SMeta *pMeta, int64_t indexUid) {
STSma *pTSma = NULL;
SMetaReader mr = {0};
metaReaderDoInit(&mr, pMeta, 0);
if (metaReaderGetTableEntryByUid(&mr, indexUid) < 0) {
metaWarn("vgId:%d, failed to get table entry for smaId:%" PRIi64, TD_VID(pMeta->pVnode), indexUid);
metaReaderClear(&mr);
return NULL;
}
pTSma = (STSma *)taosMemoryMalloc(sizeof(STSma));
if (!pTSma) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
metaReaderClear(&mr);
return NULL;
}
memcpy(pTSma, mr.me.smaEntry.tsma, sizeof(STSma));
metaReaderClear(&mr);
return pTSma;
}
SArray *metaGetSmaIdsByTable(SMeta *pMeta, tb_uid_t uid) {
SArray *pUids = NULL;
SSmaIdxKey *pSmaIdxKey = NULL;
SMSmaCursor *pCur = metaOpenSmaCursor(pMeta, uid);
if (!pCur) {
return NULL;
}
while (1) {
tb_uid_t id = metaSmaCursorNext(pCur);
if (id == 0) {
break;
}
if (!pUids) {
pUids = taosArrayInit(16, sizeof(tb_uid_t));
if (!pUids) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
metaCloseSmaCursor(pCur);
return NULL;
}
}
pSmaIdxKey = (SSmaIdxKey *)pCur->pKey;
if (!taosArrayPush(pUids, &pSmaIdxKey->smaUid)) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
metaCloseSmaCursor(pCur);
taosArrayDestroy(pUids);
return NULL;
}
}
metaCloseSmaCursor(pCur);
return pUids;
}
SArray *metaGetSmaTbUids(SMeta *pMeta) {
SArray *pUids = NULL;
SSmaIdxKey *pSmaIdxKey = NULL;
tb_uid_t lastUid = 0;
SMSmaCursor *pCur = metaOpenSmaCursor(pMeta, 0);
if (!pCur) {
return NULL;
}
while (1) {
tb_uid_t uid = metaSmaCursorNext(pCur);
if (uid == 0) {
break;
}
if (lastUid == uid) {
continue;
}
lastUid = uid;
if (!pUids) {
pUids = taosArrayInit(16, sizeof(tb_uid_t));
if (!pUids) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
metaCloseSmaCursor(pCur);
return NULL;
}
}
if (!taosArrayPush(pUids, &uid)) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
metaCloseSmaCursor(pCur);
taosArrayDestroy(pUids);
return NULL;
}
}
metaCloseSmaCursor(pCur);
return pUids;
}
#endif
const void *metaGetTableTagVal(const void *pTag, int16_t type, STagVal *val) {
STag *tag = (STag *)pTag;
if (type == TSDB_DATA_TYPE_JSON) {
return tag;
}
bool find = tTagGet(tag, val);
if (!find) {
return NULL;
}
#ifdef TAG_FILTER_DEBUG
if (IS_VAR_DATA_TYPE(val->type)) {
char *buf = taosMemoryCalloc(val->nData + 1, 1);
memcpy(buf, val->pData, val->nData);
metaDebug("metaTag table val varchar index:%d cid:%d type:%d value:%s", 1, val->cid, val->type, buf);
taosMemoryFree(buf);
} else {
double dval = 0;
GET_TYPED_DATA(dval, double, val->type, &val->i64);
metaDebug("metaTag table val number index:%d cid:%d type:%d value:%f", 1, val->cid, val->type, dval);
}
SArray *pTagVals = NULL;
tTagToValArray((STag *)pTag, &pTagVals);
for (int i = 0; i < taosArrayGetSize(pTagVals); i++) {
STagVal *pTagVal = (STagVal *)taosArrayGet(pTagVals, i);
if (IS_VAR_DATA_TYPE(pTagVal->type)) {
char *buf = taosMemoryCalloc(pTagVal->nData + 1, 1);
memcpy(buf, pTagVal->pData, pTagVal->nData);
metaDebug("metaTag table varchar index:%d cid:%d type:%d value:%s", i, pTagVal->cid, pTagVal->type, buf);
taosMemoryFree(buf);
} else {
double dval = 0;
GET_TYPED_DATA(dval, double, pTagVal->type, &pTagVal->i64);
metaDebug("metaTag table number index:%d cid:%d type:%d value:%f", i, pTagVal->cid, pTagVal->type, dval);
}
}
#endif
return val;
}
typedef struct {
SMeta *pMeta;
TBC *pCur;
tb_uid_t suid;
int16_t cid;
int16_t type;
void *pKey;
void *pVal;
int32_t kLen;
int32_t vLen;
} SIdxCursor;
int32_t metaFilterCreateTime(void *pVnode, SMetaFltParam *arg, SArray *pUids) {
SMeta *pMeta = ((SVnode *)pVnode)->pMeta;
SMetaFltParam *param = arg;
int32_t ret = 0;
SIdxCursor *pCursor = NULL;
pCursor = (SIdxCursor *)taosMemoryCalloc(1, sizeof(SIdxCursor));
pCursor->pMeta = pMeta;
pCursor->suid = param->suid;
pCursor->cid = param->cid;
pCursor->type = param->type;
metaRLock(pMeta);
ret = tdbTbcOpen(pMeta->pBtimeIdx, &pCursor->pCur, NULL);
if (ret != 0) {
goto END;
}
int64_t uidLimit = param->reverse ? INT64_MAX : 0;
SBtimeIdxKey btimeKey = {.btime = *(int64_t *)(param->val), .uid = uidLimit};
SBtimeIdxKey *pBtimeKey = &btimeKey;
int cmp = 0;
if (tdbTbcMoveTo(pCursor->pCur, &btimeKey, sizeof(btimeKey), &cmp) < 0) {
goto END;
}
int32_t valid = 0;
int32_t count = 0;
static const int8_t TRY_ERROR_LIMIT = 1;
do {
void *entryKey = NULL;
int32_t nEntryKey = -1;
valid = tdbTbcGet(pCursor->pCur, (const void **)&entryKey, &nEntryKey, NULL, NULL);
if (valid < 0) break;
SBtimeIdxKey *p = entryKey;
if (count > TRY_ERROR_LIMIT) break;
int32_t cmp = (*param->filterFunc)((void *)&p->btime, (void *)&pBtimeKey->btime, param->type);
if (cmp == 0)
taosArrayPush(pUids, &p->uid);
else {
if (param->equal == true) {
if (count > TRY_ERROR_LIMIT) break;
count++;
}
}
valid = param->reverse ? tdbTbcMoveToPrev(pCursor->pCur) : tdbTbcMoveToNext(pCursor->pCur);
if (valid < 0) break;
} while (1);
END:
if (pCursor->pMeta) metaULock(pCursor->pMeta);
if (pCursor->pCur) tdbTbcClose(pCursor->pCur);
taosMemoryFree(pCursor);
return ret;
}
int32_t metaFilterTableName(void *pVnode, SMetaFltParam *arg, SArray *pUids) {
SMeta *pMeta = ((SVnode *)pVnode)->pMeta;
SMetaFltParam *param = arg;
int32_t ret = 0;
char *buf = NULL;
STagIdxKey *pKey = NULL;
int32_t nKey = 0;
SIdxCursor *pCursor = NULL;
pCursor = (SIdxCursor *)taosMemoryCalloc(1, sizeof(SIdxCursor));
pCursor->pMeta = pMeta;
pCursor->suid = param->suid;
pCursor->cid = param->cid;
pCursor->type = param->type;
char *pName = param->val;
metaRLock(pMeta);
ret = tdbTbcOpen(pMeta->pNameIdx, &pCursor->pCur, NULL);
if (ret != 0) {
goto END;
}
int cmp = 0;
if (tdbTbcMoveTo(pCursor->pCur, pName, strlen(pName) + 1, &cmp) < 0) {
goto END;
}
int32_t valid = 0;
int32_t count = 0;
int32_t TRY_ERROR_LIMIT = 1;
do {
void *pEntryKey = NULL, *pEntryVal = NULL;
int32_t nEntryKey = -1, nEntryVal = 0;
valid = tdbTbcGet(pCursor->pCur, (const void **)pEntryKey, &nEntryKey, (const void **)&pEntryVal, &nEntryVal);
if (valid < 0) break;
if (count > TRY_ERROR_LIMIT) break;
char *pTableKey = (char *)pEntryKey;
cmp = (*param->filterFunc)(pTableKey, pName, pCursor->type);
if (cmp == 0) {
tb_uid_t tuid = *(tb_uid_t *)pEntryVal;
taosArrayPush(pUids, &tuid);
} else {
if (param->equal == true) {
if (count > TRY_ERROR_LIMIT) break;
count++;
}
}
valid = param->reverse ? tdbTbcMoveToPrev(pCursor->pCur) : tdbTbcMoveToNext(pCursor->pCur);
if (valid < 0) {
break;
}
} while (1);
END:
if (pCursor->pMeta) metaULock(pCursor->pMeta);
if (pCursor->pCur) tdbTbcClose(pCursor->pCur);
taosMemoryFree(buf);
taosMemoryFree(pKey);
taosMemoryFree(pCursor);
return ret;
}
int32_t metaFilterTtl(void *pVnode, SMetaFltParam *arg, SArray *pUids) {
SMeta *pMeta = ((SVnode *)pVnode)->pMeta;
SMetaFltParam *param = arg;
int32_t ret = 0;
char *buf = NULL;
STtlIdxKey *pKey = NULL;
int32_t nKey = 0;
SIdxCursor *pCursor = NULL;
pCursor = (SIdxCursor *)taosMemoryCalloc(1, sizeof(SIdxCursor));
pCursor->pMeta = pMeta;
pCursor->suid = param->suid;
pCursor->cid = param->cid;
pCursor->type = param->type;
metaRLock(pMeta);
//ret = tdbTbcOpen(pMeta->pTtlIdx, &pCursor->pCur, NULL);
END:
if (pCursor->pMeta) metaULock(pCursor->pMeta);
if (pCursor->pCur) tdbTbcClose(pCursor->pCur);
taosMemoryFree(buf);
taosMemoryFree(pKey);
taosMemoryFree(pCursor);
return ret;
// impl later
return 0;
}
int32_t metaFilterTableIds(void *pVnode, SMetaFltParam *arg, SArray *pUids) {
SMeta *pMeta = ((SVnode *)pVnode)->pMeta;
SMetaFltParam *param = arg;
SMetaEntry oStbEntry = {0};
int32_t ret = -1;
char *buf = NULL;
void *pData = NULL;
int nData = 0;
SDecoder dc = {0};
STbDbKey tbDbKey = {0};
STagIdxKey *pKey = NULL;
int32_t nKey = 0;
SIdxCursor *pCursor = NULL;
pCursor = (SIdxCursor *)taosMemoryCalloc(1, sizeof(SIdxCursor));
pCursor->pMeta = pMeta;
pCursor->suid = param->suid;
pCursor->cid = param->cid;
pCursor->type = param->type;
metaRLock(pMeta);
if (tdbTbGet(pMeta->pUidIdx, &param->suid, sizeof(tb_uid_t), &pData, &nData) != 0) {
goto END;
}
tbDbKey.uid = param->suid;
tbDbKey.version = ((SUidIdxVal *)pData)[0].version;
tdbTbGet(pMeta->pTbDb, &tbDbKey, sizeof(tbDbKey), &pData, &nData);
tDecoderInit(&dc, pData, nData);
ret = metaDecodeEntry(&dc, &oStbEntry);
if (oStbEntry.stbEntry.schemaTag.pSchema == NULL || oStbEntry.stbEntry.schemaTag.pSchema == NULL) {
ret = -1;
goto END;
}
ret = -1;
for (int i = 0; i < oStbEntry.stbEntry.schemaTag.nCols; i++) {
SSchema *schema = oStbEntry.stbEntry.schemaTag.pSchema + i;
if (schema->colId == param->cid && param->type == schema->type && (IS_IDX_ON(schema) || i == 0)) {
ret = 0;
}
}
if (ret != 0) {
goto END;
}
ret = tdbTbcOpen(pMeta->pTagIdx, &pCursor->pCur, NULL);
if (ret != 0) {
goto END;
}
int32_t maxSize = 0;
int32_t nTagData = 0;
void *tagData = NULL;
if (param->val == NULL) {
metaError("vgId:%d, failed to filter NULL data", TD_VID(pMeta->pVnode));
ret = -1;
goto END;
} else {
if (IS_VAR_DATA_TYPE(param->type)) {
tagData = varDataVal(param->val);
nTagData = varDataLen(param->val);
if (param->type == TSDB_DATA_TYPE_NCHAR) {
maxSize = 4 * nTagData + 1;
buf = taosMemoryCalloc(1, maxSize);
if (false == taosMbsToUcs4(tagData, nTagData, (TdUcs4 *)buf, maxSize, &maxSize)) {
ret = -1;
goto END;
}
tagData = buf;
nTagData = maxSize;
}
} else {
tagData = param->val;
nTagData = tDataTypes[param->type].bytes;
}
}
ret = metaCreateTagIdxKey(pCursor->suid, pCursor->cid, tagData, nTagData, pCursor->type,
param->reverse ? INT64_MAX : INT64_MIN, &pKey, &nKey);
if (ret != 0) {
goto END;
}
int cmp = 0;
ret = tdbTbcMoveTo(pCursor->pCur, pKey, nKey, &cmp);
if (ret != 0) {
goto END;
}
int count = 0;
int32_t valid = 0;
bool found = false;
static const int8_t TRY_ERROR_LIMIT = 1;
/// src: [[suid, cid1, type1]....[suid, cid2, type2]....[suid, cid3, type3]...]
/// target: [suid, cid2, type2]
int diffCidCount = 0;
do {
void *entryKey = NULL, *entryVal = NULL;
int32_t nEntryKey, nEntryVal;
valid = tdbTbcGet(pCursor->pCur, (const void **)&entryKey, &nEntryKey, (const void **)&entryVal, &nEntryVal);
if (valid < 0) {
break;
}
if (count > TRY_ERROR_LIMIT) {
break;
}
STagIdxKey *p = entryKey;
if (p == NULL) break;
if (p->type != pCursor->type || p->suid != pCursor->suid || p->cid != pCursor->cid) {
if (found == true) break; //
if (diffCidCount > TRY_ERROR_LIMIT) break;
diffCidCount++;
count++;
valid = param->reverse ? tdbTbcMoveToPrev(pCursor->pCur) : tdbTbcMoveToNext(pCursor->pCur);
if (valid < 0) {
break;
} else {
continue;
}
}
int32_t cmp = (*param->filterFunc)(p->data, pKey->data, pKey->type);
if (cmp == 0) {
// match
tb_uid_t tuid = 0;
if (IS_VAR_DATA_TYPE(pKey->type)) {
tuid = *(tb_uid_t *)(p->data + varDataTLen(p->data));
} else {
tuid = *(tb_uid_t *)(p->data + tDataTypes[pCursor->type].bytes);
}
taosArrayPush(pUids, &tuid);
found = true;
} else {
if (param->equal == true) {
if (count > TRY_ERROR_LIMIT) break;
count++;
}
}
valid = param->reverse ? tdbTbcMoveToPrev(pCursor->pCur) : tdbTbcMoveToNext(pCursor->pCur);
if (valid < 0) {
break;
}
} while (1);
END:
if (pCursor->pMeta) metaULock(pCursor->pMeta);
if (pCursor->pCur) tdbTbcClose(pCursor->pCur);
if (oStbEntry.pBuf) taosMemoryFree(oStbEntry.pBuf);
tDecoderClear(&dc);
tdbFree(pData);
taosMemoryFree(buf);
taosMemoryFree(pKey);
taosMemoryFree(pCursor);
return ret;
}
static int32_t metaGetTableTagByUid(SMeta *pMeta, int64_t suid, int64_t uid, void **tag, int32_t *len, bool lock) {
int ret = 0;
if (lock) {
metaRLock(pMeta);
}
SCtbIdxKey ctbIdxKey = {.suid = suid, .uid = uid};
ret = tdbTbGet(pMeta->pCtbIdx, &ctbIdxKey, sizeof(SCtbIdxKey), tag, len);
if (lock) {
metaULock(pMeta);
}
return ret;
}
int32_t metaGetTableTagsByUids(void *pVnode, int64_t suid, SArray *uidList) {
SMeta *pMeta = ((SVnode *)pVnode)->pMeta;
const int32_t LIMIT = 128;
int32_t isLock = false;
int32_t sz = uidList ? taosArrayGetSize(uidList) : 0;
for (int i = 0; i < sz; i++) {
STUidTagInfo *p = taosArrayGet(uidList, i);
if (i % LIMIT == 0) {
if (isLock) metaULock(pMeta);
metaRLock(pMeta);
isLock = true;
}
// if (taosHashGet(tags, &p->uid, sizeof(tb_uid_t)) == NULL) {
void *val = NULL;
int32_t len = 0;
if (metaGetTableTagByUid(pMeta, suid, p->uid, &val, &len, false) == 0) {
p->pTagVal = taosMemoryMalloc(len);
memcpy(p->pTagVal, val, len);
tdbFree(val);
} else {
metaError("vgId:%d, failed to table tags, suid: %" PRId64 ", uid: %" PRId64 "", TD_VID(pMeta->pVnode), suid,
p->uid);
}
}
// }
if (isLock) metaULock(pMeta);
return 0;
}
int32_t metaGetTableTags(void *pVnode, uint64_t suid, SArray *pUidTagInfo) {
SMCtbCursor *pCur = metaOpenCtbCursor(((SVnode *)pVnode)->pMeta, suid, 1);
// If len > 0 means there already have uids, and we only want the
// tags of the specified tables, of which uid in the uid list. Otherwise, all table tags are retrieved and kept
// in the hash map, that may require a lot of memory
SHashObj *pSepecifiedUidMap = NULL;
size_t numOfElems = taosArrayGetSize(pUidTagInfo);
if (numOfElems > 0) {
pSepecifiedUidMap =
taosHashInit(numOfElems / 0.7, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false, HASH_NO_LOCK);
for (int i = 0; i < numOfElems; i++) {
STUidTagInfo *pTagInfo = taosArrayGet(pUidTagInfo, i);
taosHashPut(pSepecifiedUidMap, &pTagInfo->uid, sizeof(uint64_t), &i, sizeof(int32_t));
}
}
if (numOfElems == 0) { // all data needs to be added into the pUidTagInfo list
while (1) {
tb_uid_t uid = metaCtbCursorNext(pCur);
if (uid == 0) {
break;
}
STUidTagInfo info = {.uid = uid, .pTagVal = pCur->pVal};
info.pTagVal = taosMemoryMalloc(pCur->vLen);
memcpy(info.pTagVal, pCur->pVal, pCur->vLen);
taosArrayPush(pUidTagInfo, &info);
}
} else { // only the specified tables need to be added
while (1) {
tb_uid_t uid = metaCtbCursorNext(pCur);
if (uid == 0) {
break;
}
int32_t *index = taosHashGet(pSepecifiedUidMap, &uid, sizeof(uint64_t));
if (index == NULL) {
continue;
}
STUidTagInfo *pTagInfo = taosArrayGet(pUidTagInfo, *index);
if (pTagInfo->pTagVal == NULL) {
pTagInfo->pTagVal = taosMemoryMalloc(pCur->vLen);
memcpy(pTagInfo->pTagVal, pCur->pVal, pCur->vLen);
}
}
}
taosHashCleanup(pSepecifiedUidMap);
metaCloseCtbCursor(pCur, 1);
return TSDB_CODE_SUCCESS;
}
int32_t metaCacheGet(SMeta *pMeta, int64_t uid, SMetaInfo *pInfo);
int32_t metaGetInfo(SMeta *pMeta, int64_t uid, SMetaInfo *pInfo, SMetaReader *pReader) {
int32_t code = 0;
void *pData = NULL;
int nData = 0;
int lock = 0;
metaRLock(pMeta);
// search cache
if (metaCacheGet(pMeta, uid, pInfo) == 0) {
metaULock(pMeta);
goto _exit;
}
// search TDB
if (tdbTbGet(pMeta->pUidIdx, &uid, sizeof(uid), &pData, &nData) < 0) {
// not found
metaULock(pMeta);
code = TSDB_CODE_NOT_FOUND;
goto _exit;
}
metaULock(pMeta);
pInfo->uid = uid;
pInfo->suid = ((SUidIdxVal *)pData)->suid;
pInfo->version = ((SUidIdxVal *)pData)->version;
pInfo->skmVer = ((SUidIdxVal *)pData)->skmVer;
if (pReader != NULL) {
lock = !(pReader->flags & META_READER_NOLOCK);
if (lock) {
metaULock(pReader->pMeta);
// metaReaderReleaseLock(pReader);
}
}
// upsert the cache
metaWLock(pMeta);
metaCacheUpsert(pMeta, pInfo);
metaULock(pMeta);
if (lock) {
metaRLock(pReader->pMeta);
}
_exit:
tdbFree(pData);
return code;
}
int32_t metaGetStbStats(void *pVnode, int64_t uid, int64_t *numOfTables) {
int32_t code = 0;
*numOfTables = 0;
SVnode *pVnodeObj = pVnode;
metaRLock(pVnodeObj->pMeta);
// fast path: search cache
SMetaStbStats state = {0};
if (metaStatsCacheGet(pVnodeObj->pMeta, uid, &state) == TSDB_CODE_SUCCESS) {
metaULock(pVnodeObj->pMeta);
*numOfTables = state.ctbNum;
goto _exit;
}
// slow path: search TDB
int64_t ctbNum = 0;
vnodeGetCtbNum(pVnode, uid, &ctbNum);
metaULock(pVnodeObj->pMeta);
*numOfTables = ctbNum;
state.uid = uid;
state.ctbNum = ctbNum;
// upsert the cache
metaWLock(pVnodeObj->pMeta);
metaStatsCacheUpsert(pVnodeObj->pMeta, &state);
metaULock(pVnodeObj->pMeta);
_exit:
return code;
}
void metaUpdateStbStats(SMeta *pMeta, int64_t uid, int64_t delta) {
SMetaStbStats stats = {0};
if (metaStatsCacheGet(pMeta, uid, &stats) == TSDB_CODE_SUCCESS) {
stats.ctbNum += delta;
metaStatsCacheUpsert(pMeta, &stats);
}
}