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opt sys index

This commit is contained in:
yihaoDeng 2022-10-24 19:22:09 +08:00
parent 1421268479
commit afb309c557
1 changed files with 13 additions and 2 deletions
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15
source/dnode/vnode/src/meta/metaTable.c
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@ -572,8 +572,12 @@ static int metaBuildCtimeIdxKey(SCtimeIdxKey *ctimeKey, const SMetaEntry *pME) {
} }
static int metaBuildNColIdxKey(SNcolIdxKey *ncolKey, const SMetaEntry *pME) { static int metaBuildNColIdxKey(SNcolIdxKey *ncolKey, const SMetaEntry *pME) {
ncolKey->ncol = pME->ntbEntry.schemaRow.nCols; if (pME->type == TSDB_NORMAL_TABLE) {
ncolKey->uid = pME->uid; ncolKey->ncol = pME->ntbEntry.schemaRow.nCols;
ncolKey->uid = pME->uid;
} else {
return -1;
}
return 0; return 0;
} }
@ -778,6 +782,10 @@ static int metaAlterTableColumn(SMeta *pMeta, int64_t version, SVAlterTbReq *pAl
goto _err; goto _err;
} }
// save old entry
SMetaEntry oldEntry = {.type = TSDB_NORMAL_TABLE, .uid = entry.uid};
oldEntry.ntbEntry.schemaRow.nCols = pSchema->nCols;
// search the column to add/drop/update // search the column to add/drop/update
pSchema = &entry.ntbEntry.schemaRow; pSchema = &entry.ntbEntry.schemaRow;
int32_t iCol = 0; int32_t iCol = 0;
@ -868,6 +876,9 @@ static int metaAlterTableColumn(SMeta *pMeta, int64_t version, SVAlterTbReq *pAl
entry.version = version; entry.version = version;
metaDeleteNcolIdx(pMeta, &oldEntry);
metaUpdateNcolIdx(pMeta, &entry);
// do actual write // do actual write
metaWLock(pMeta); metaWLock(pMeta);