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Fix mem overflow.

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This commit is contained in:
totaj
2022-09-09 15:53:19 +08:00
parent 148f04f8e4
commit 1a4e543da2
1 changed files with 4 additions and 5 deletions
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9
src/gausskernel/optimizer/commands/trigger.cpp
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@ -1591,13 +1591,12 @@ void RelationBuildTriggers(Relation relation)
if (numtrigs >= maxtrigs) {
maxtrigs *= 2;
triggers = (Trigger*)repalloc(triggers, maxtrigs * sizeof(Trigger));
if (DB_IS_CMPT(B_FORMAT)) {
tgNameInfos = (TriggerNameInfo *)repalloc(tgNameInfos, maxtrigs * sizeof(TriggerNameInfo));
}
}
if (u_sess->attr.attr_sql.sql_compatibility == B_FORMAT) {
TriggerNameInfo* tgNameInfo = NULL;
tgNameInfo = &(tgNameInfos[numtrigs]);
if (numtrigs >= maxtrigs) {
tgNameInfos = (TriggerNameInfo*)repalloc(tgNameInfos, maxtrigs * sizeof(TriggerNameInfo));
}
TriggerNameInfo *tgNameInfo = &(tgNameInfos[numtrigs]);
char* trigname = DatumGetCString(DirectFunctionCall1(nameout, NameGetDatum(&pg_trigger->tgname)));
char* tgordername = DatumGetCString(fastgetattr(htup, Anum_pg_trigger_tgordername, tgrel->rd_att, &isnull));