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feat: drop stable

This commit is contained in:
Hongze Cheng 2022-05-25 08:03:05 +00:00
parent b6738d6d01
commit d1a4e2d232
1 changed files with 48 additions and 106 deletions
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152
source/dnode/vnode/src/meta/metaTable.c
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@ -23,6 +23,7 @@ static int metaUpdateTtlIdx(SMeta *pMeta, const SMetaEntry *pME);
static int metaSaveToSkmDb(SMeta *pMeta, const SMetaEntry *pME);
static int metaUpdateCtbIdx(SMeta *pMeta, const SMetaEntry *pME);
static int metaUpdateTagIdx(SMeta *pMeta, const SMetaEntry *pCtbEntry);
static int metaDropTableByUid(SMeta *pMeta, tb_uid_t uid, int *type);
int metaCreateSTable(SMeta *pMeta, int64_t version, SVCreateStbReq *pReq) {
SMetaEntry me = {0};
@ -116,7 +117,7 @@ int metaDropSTable(SMeta *pMeta, int64_t verison, SVDropStbReq *pReq) {
for (int32_t iChild = 0; iChild < taosArrayGetSize(pArray); iChild++) {
tb_uid_t uid = *(tb_uid_t *)taosArrayGet(pArray, iChild);
metaDropTableByUid(pMeta, uid);
metaDropTableByUid(pMeta, uid, NULL);
}
taosArrayDestroy(pArray);
@ -263,122 +264,63 @@ _err:
}
int metaDropTable(SMeta *pMeta, int64_t version, SVDropTbReq *pReq, SArray *tbUids) {
TBC *pTbDbc = NULL;
TBC *pUidIdxc = NULL;
TBC *pNameIdxc = NULL;
const void *pData;
int nData;
void *pData = NULL;
int nData = 0;
int rc = 0;
tb_uid_t uid;
int64_t tver;
SMetaEntry me = {0};
SDecoder coder = {0};
int8_t type;
int64_t ctime;
tb_uid_t suid;
int c = 0, ret;
int type;
// search & delete the name idx
tdbTbcOpen(pMeta->pNameIdx, &pNameIdxc, &pMeta->txn);
ret = tdbTbcMoveTo(pNameIdxc, pReq->name, strlen(pReq->name) + 1, &c);
if (ret < 0 || !tdbTbcIsValid(pNameIdxc) || c) {
tdbTbcClose(pNameIdxc);
rc = tdbTbGet(pMeta->pNameIdx, pReq->name, strlen(pReq->name) + 1, &pData, &nData);
if (rc < 0) {
terrno = TSDB_CODE_VND_TABLE_NOT_EXIST;
return -1;
}
ret = tdbTbcGet(pNameIdxc, NULL, NULL, &pData, &nData);
if (ret < 0) {
ASSERT(0);
return -1;
}
uid = *(tb_uid_t *)pData;
tdbTbcDelete(pNameIdxc);
tdbTbcClose(pNameIdxc);
metaWLock(pMeta);
metaDropTableByUid(pMeta, uid, &type);
metaULock(pMeta);
// search & delete uid idx
tdbTbcOpen(pMeta->pUidIdx, &pUidIdxc, &pMeta->txn);
ret = tdbTbcMoveTo(pUidIdxc, &uid, sizeof(uid), &c);
if (ret < 0 || c != 0) {
ASSERT(0);
return -1;
if (type == TSDB_CHILD_TABLE && tbUids) {
taosArrayPush(tbUids, &uid);
}
ret = tdbTbcGet(pUidIdxc, NULL, NULL, &pData, &nData);
if (ret < 0) {
ASSERT(0);
return -1;
tdbFree(pData);
return 0;
}
static int metaDropTableByUid(SMeta *pMeta, tb_uid_t uid, int *type) {
void *pData = NULL;
int nData = 0;
int rc = 0;
int64_t version;
SMetaEntry e = {0};
SDecoder dc = {0};
rc = tdbTbGet(pMeta->pUidIdx, &uid, sizeof(uid), &pData, &nData);
version = *(int64_t *)pData;
tdbTbGet(pMeta->pTbDb, &(STbDbKey){.version = version, .uid = uid}, sizeof(STbDbKey), &pData, &nData);
tDecoderInit(&dc, pData, nData);
metaDecodeEntry(&dc, &e);
if (type) *type = e.type;
tdbTbDelete(pMeta->pTbDb, &(STbDbKey){.version = version, .uid = uid}, sizeof(STbDbKey), &pMeta->txn);
tdbTbDelete(pMeta->pNameIdx, e.name, strlen(e.name) + 1, &pMeta->txn);
tdbTbDelete(pMeta->pUidIdx, &uid, sizeof(uid), &pMeta->txn);
if (e.type == TSDB_CHILD_TABLE) {
tdbTbDelete(pMeta->pCtbIdx, &(SCtbIdxKey){.suid = e.ctbEntry.suid, .uid = uid}, sizeof(SCtbIdxKey), &pMeta->txn);
} else if (e.type == TSDB_NORMAL_TABLE) {
// drop schema.db (todo)
// drop ttl.idx (todo)
} else if (e.type == TSDB_SUPER_TABLE) {
// drop schema.db (todo)
}
tver = *(int64_t *)pData;
tdbTbcDelete(pUidIdxc);
tdbTbcClose(pUidIdxc);
// search and get meta entry
tdbTbcOpen(pMeta->pTbDb, &pTbDbc, &pMeta->txn);
ret = tdbTbcMoveTo(pTbDbc, &(STbDbKey){.uid = uid, .version = tver}, sizeof(STbDbKey), &c);
if (ret < 0 || c != 0) {
ASSERT(0);
return -1;
}
ret = tdbTbcGet(pTbDbc, NULL, NULL, &pData, &nData);
if (ret < 0) {
ASSERT(0);
return -1;
}
// decode entry
void *pDataCopy = taosMemoryMalloc(nData); // remove the copy (todo)
memcpy(pDataCopy, pData, nData);
tDecoderInit(&coder, pDataCopy, nData);
ret = metaDecodeEntry(&coder, &me);
if (ret < 0) {
ASSERT(0);
return -1;
}
type = me.type;
if (type == TSDB_CHILD_TABLE) {
ctime = me.ctbEntry.ctime;
suid = me.ctbEntry.suid;
taosArrayPush(tbUids, &me.uid);
} else if (type == TSDB_NORMAL_TABLE) {
ctime = me.ntbEntry.ctime;
suid = 0;
} else {
ASSERT(0);
}
taosMemoryFree(pDataCopy);
tDecoderClear(&coder);
tdbTbcClose(pTbDbc);
if (type == TSDB_CHILD_TABLE) {
// remove the pCtbIdx
TBC *pCtbIdxc = NULL;
tdbTbcOpen(pMeta->pCtbIdx, &pCtbIdxc, &pMeta->txn);
ret = tdbTbcMoveTo(pCtbIdxc, &(SCtbIdxKey){.suid = suid, .uid = uid}, sizeof(SCtbIdxKey), &c);
if (ret < 0 || c != 0) {
ASSERT(0);
return -1;
}
tdbTbcDelete(pCtbIdxc);
tdbTbcClose(pCtbIdxc);
// remove tags from pTagIdx (todo)
} else if (type == TSDB_NORMAL_TABLE) {
// remove from pSkmDb
} else {
ASSERT(0);
}
// remove from ttl (todo)
if (ctime > 0) {
}
tDecoderClear(&dc);
tdbFree(pData);
return 0;
}