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fix alter table coredump

This commit is contained in:
Hongze Cheng 2022-05-18 11:54:52 +00:00
parent fba964778b
commit 8b6aa46d48
1 changed files with 6 additions and 3 deletions
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9
source/dnode/vnode/src/meta/metaTable.c
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@ -442,7 +442,8 @@ static int metaAlterTableColumn(SMeta *pMeta, int64_t version, SVAlterTbReq *pAl
}
entry.version = version;
int tlen;
int tlen;
SSchema *pNewSchema = NULL;
switch (pAlterTbReq->action) {
case TSDB_ALTER_TABLE_ADD_COLUMN:
if (pColumn) {
@ -451,8 +452,9 @@ static int metaAlterTableColumn(SMeta *pMeta, int64_t version, SVAlterTbReq *pAl
}
pSchema->sver++;
pSchema->nCols++;
pSchema->pSchema =
taosMemoryRealloc(entry.ntbEntry.schema.pSchema, sizeof(SSchema) * entry.ntbEntry.schema.nCols);
pNewSchema = taosMemoryMalloc(sizeof(SSchema) * pSchema->nCols);
memcpy(pNewSchema, pSchema->pSchema, sizeof(SSchema) * (pSchema->nCols - 1));
pSchema->pSchema = pNewSchema;
pSchema->pSchema[entry.ntbEntry.schema.nCols - 1].bytes = pAlterTbReq->bytes;
pSchema->pSchema[entry.ntbEntry.schema.nCols - 1].type = pAlterTbReq->type;
pSchema->pSchema[entry.ntbEntry.schema.nCols - 1].flags = pAlterTbReq->flags;
@ -511,6 +513,7 @@ static int metaAlterTableColumn(SMeta *pMeta, int64_t version, SVAlterTbReq *pAl
metaULock(pMeta);
if (pNewSchema) taosMemoryFree(pNewSchema);
tDecoderClear(&dc);
tdbTbcClose(pTbDbc);
tdbTbcClose(pUidIdxc);