Changeset: ed35e9720d50 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/ed35e9720d50
Modified Files:
sql/server/rel_exp.c
Branch: Jun2023
Log Message:
Check var before compare(GH7390/02.sql).
diffs (12 lines):
diff --git a/sql/server/rel_exp.c b/sql/server/rel_exp.c
--- a/sql/server/rel_exp.c
+++ b/sql/server/rel_exp.c
@@ -1218,7 +1218,7 @@ exp_refers( sql_exp *p, sql_exp *c)
if (p->alias.rname && strcmp(p->alias.rname, c->l) != 0)
return 0;
// if the parent does NOT have a relation name alias
compare his relation name with the child's
- if (!p->alias.rname && strcmp(p->l, c->l) != 0)
+ if (!p->alias.rname && p->l && strcmp(p->l, c->l) != 0)
return 0;
}
return 1;
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