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add/drop dynamic idx

This commit is contained in:
yihaoDeng 2022-12-15 20:28:19 +08:00
parent c2a6988d90
commit 0bea3475fb
1 changed files with 22 additions and 8 deletions
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30
source/dnode/vnode/src/meta/metaTable.c
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@ -1191,7 +1191,7 @@ static int metaAddTagIndex(SMeta *pMeta, int64_t version, SVAlterTbReq *pAlterTb
int nVal = 0;
int ret;
int c;
tb_uid_t uid;
tb_uid_t uid, suid;
int64_t oversion;
const void *pData = NULL;
int nData = 0;
@ -1216,12 +1216,12 @@ static int metaAddTagIndex(SMeta *pMeta, int64_t version, SVAlterTbReq *pAlterTb
ret = -1;
goto _err;
}
suid = ((SUidIdxVal *)pVal)[0].suid;
STbDbKey tbDbKey = {0};
tbDbKey.uid = uid;
tbDbKey.uid = suid;
tbDbKey.version = ((SUidIdxVal *)pVal)[0].version;
tdbTbGet(pMeta->pTbDb, &tbDbKey, sizeof(tbDbKey), &pVal, &nVal);
tDecoderInit(&dc, pVal, nVal);
ret = metaDecodeEntry(&dc, &stbEntry);
if (ret < 0) {
@ -1252,13 +1252,13 @@ static int metaAddTagIndex(SMeta *pMeta, int64_t version, SVAlterTbReq *pAlterTb
terrno = TSDB_CODE_VND_COL_NOT_EXISTS;
goto _err;
}
/*
* iterator all pTdDbc by uid and version
*/
// drop all child tables
TBC *pCtbIdxc = NULL;
tdbTbcOpen(pMeta->pCtbIdx, &pCtbIdxc, NULL);
int rc = tdbTbcMoveTo(pCtbIdxc, &(SCtbIdxKey){.suid = uid, .uid = INT64_MIN}, sizeof(SCtbIdxKey), &c);
int rc = tdbTbcMoveTo(pCtbIdxc, &(SCtbIdxKey){.suid = suid, .uid = INT64_MIN}, sizeof(SCtbIdxKey), &c);
if (rc < 0) {
tdbTbcClose(pCtbIdxc);
goto _err;
@ -1307,6 +1307,11 @@ _err:
return -1;
}
typedef struct SMetaPair {
void *key;
int nkey;
} SMetaPair;
static int metaDropTagIndex(SMeta *pMeta, int64_t version, SVAlterTbReq *pAlterTbReq) {
SMetaEntry stbEntry = {0};
void *pVal = NULL;
@ -1374,7 +1379,7 @@ static int metaDropTagIndex(SMeta *pMeta, int64_t version, SVAlterTbReq *pAlterT
terrno = TSDB_CODE_VND_COL_NOT_EXISTS;
goto _err;
}
SArray *tagIdxList = taosArrayInit(512, sizeof(STagIdxKey *));
SArray *tagIdxList = taosArrayInit(512, sizeof(SMetaPair));
TBC *pTagIdxc = NULL;
tdbTbcOpen(pMeta->pTagIdx, &pTagIdxc, NULL);
@ -1385,15 +1390,24 @@ static int metaDropTagIndex(SMeta *pMeta, int64_t version, SVAlterTbReq *pAlterT
int nKey, nVal;
rc = tdbTbcNext(pTagIdxc, &pKey, &nKey, &pVal, &nVal);
STagIdxKey *pIdxKey = (STagIdxKey *)pKey;
if (pIdxKey->suid != suid) {
if (pIdxKey->suid != suid || pIdxKey->cid != pCol->colId) {
tdbFree(pKey);
tdbFree(pVal);
continue;
}
taosArrayPush(tagIdxList, &pIdxKey);
SMetaPair pair = {.key = pKey, nKey = nKey};
taosArrayPush(tagIdxList, &pair);
}
tdbTbcClose(pTagIdxc);
for (int i = 0; i < taosArrayGetSize(tagIdxList); i++) {
SMetaPair *pair = taosArrayGet(tagIdxList, i);
tdbTbDelete(pMeta->pTagIdx, pair->key, pair->nkey, pMeta->txn);
}
taosArrayDestroy(tagIdxList);
// drop index
return 0;
_err: