Changeset: c900cc83bd20 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=c900cc83bd20
Modified Files:
sql/server/rel_select.c
Branch: Oct2020
Log Message:
Defensive line
diffs (12 lines):
diff --git a/sql/server/rel_select.c b/sql/server/rel_select.c
--- a/sql/server/rel_select.c
+++ b/sql/server/rel_select.c
@@ -1778,7 +1778,7 @@ exp_exist(sql_query *query, sql_rel *rel
return NULL;
} else if (exp_is_rel(le)) { /* for the subquery case, propagate to the
inner query */
sql_rel *r = exp_rel_get_rel(sql->sa, le);
- if (is_simple_project(r->op) || is_groupby(r->op)) {
+ if ((is_simple_project(r->op) || is_groupby(r->op)) &&
!list_empty(r->exps)) {
for (node *n = r->exps->h; n; n = n->next)
if (!exp_subtype(n->data) &&
rel_set_type_param(sql, sql_bind_localtype("bit"), r, n->data, 0) < 0) /*
workaround */
return NULL;
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