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more alter table

This commit is contained in:
Hongze Cheng 2022-05-16 11:29:34 +00:00
parent 3b598ad0f8
commit a29c2b099f
1 changed files with 75 additions and 1 deletions
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74
source/dnode/vnode/src/meta/metaTable.c
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@ -498,6 +498,18 @@ static int metaAlterTableColumn(SMeta *pMeta, int64_t version, SVAlterTbReq *pAl
entry.version = version;
// do actual write
metaWLock(pMeta);
// save to table db
metaSaveToTbDb(pMeta, &entry);
tdbDbcUpsert(pUidIdxc, &entry.uid, sizeof(tb_uid_t), &version, sizeof(version), 0);
metaSaveToSkmDb(pMeta, &entry);
metaULock(pMeta);
tDecoderClear(&dc);
tdbDbcClose(pTbDbc);
tdbDbcClose(pUidIdxc);
@ -511,8 +523,70 @@ _err:
}
static int metaUpdateTableTagVal(SMeta *pMeta, int64_t version, SVAlterTbReq *pAlterTbReq) {
SMetaEntry entry = {0};
void *pVal = NULL;
int nVal = 0;
int ret;
int c;
tb_uid_t uid;
int64_t oversion;
const void *pData = NULL;
int nData = 0;
// search name index
ret = tdbDbGet(pMeta->pNameIdx, pAlterTbReq->tbName, strlen(pAlterTbReq->tbName) + 1, &pVal, &nVal);
if (ret < 0) {
terrno = TSDB_CODE_VND_TABLE_NOT_EXIST;
return -1;
}
uid = *(tb_uid_t *)pVal;
tdbFree(pVal);
pVal = NULL;
// search uid index
TDBC *pUidIdxc = NULL;
tdbDbcOpen(pMeta->pUidIdx, &pUidIdxc, &pMeta->txn);
tdbDbcMoveTo(pUidIdxc, &uid, sizeof(uid), &c);
ASSERT(c == 0);
tdbDbcGet(pUidIdxc, NULL, NULL, &pData, &nData);
oversion = *(int64_t *)pData;
// search table.db
TDBC *pTbDbc = NULL;
tdbDbcOpen(pMeta->pTbDb, &pTbDbc, &pMeta->txn);
tdbDbcMoveTo(pTbDbc, &((STbDbKey){.uid = uid, .version = oversion}), sizeof(STbDbKey), &c);
ASSERT(c == 0);
tdbDbcGet(pTbDbc, NULL, NULL, &pData, &nData);
// get table entry
SDecoder dc = {0};
tDecoderInit(&dc, pData, nData);
metaDecodeEntry(&dc, &entry);
if (entry.type != TSDB_CHILD_TABLE) {
terrno = TSDB_CODE_VND_INVALID_TABLE_ACTION;
goto _err;
}
// do actual job
{
// TODO
}
tDecoderClear(&dc);
tdbDbcClose(pTbDbc);
tdbDbcClose(pUidIdxc);
return 0;
_err:
tDecoderClear(&dc);
tdbDbcClose(pTbDbc);
tdbDbcClose(pUidIdxc);
return -1;
}
static int metaUpdateTableOptions(SMeta *pMeta, int64_t version, SVAlterTbReq *pAlterTbReq) {