Changeset: a03bdd1b76b1 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/a03bdd1b76b1
Modified Files:
sql/server/rel_optimizer.c
Branch: default
Log Message:
Don't forget to flag changes
diffs (28 lines):
diff --git a/sql/server/rel_optimizer.c b/sql/server/rel_optimizer.c
--- a/sql/server/rel_optimizer.c
+++ b/sql/server/rel_optimizer.c
@@ -5504,8 +5504,10 @@ static inline sql_rel *
rel_push_project_down_union(visitor *v, sql_rel *rel)
{
/* first remove distinct if already unique */
- if (rel->op == op_project && need_distinct(rel) && rel->exps &&
exps_unique(v->sql, rel, rel->exps))
- set_nodistinct(rel);
+ if (rel->op == op_project && need_distinct(rel) && rel->exps &&
exps_unique(v->sql, rel, rel->exps)) {
+ set_nodistinct(rel);
+ v->changes++;
+ }
if (rel->op == op_project && rel->l && rel->exps && !rel->r) {
int need_distinct = need_distinct(rel);
@@ -5955,8 +5957,10 @@ rel_groupby_distinct(visitor *v, sql_rel
if (exp_aggr_is_count(e) && need_distinct(e)) {
/* if count over unique values (ukey/pkey) */
- if (e->l && exps_unique(v->sql, rel, e->l))
+ if (e->l && exps_unique(v->sql, rel, e->l)) {
set_nodistinct(e);
+ v->changes++;
+ }
}
}
}
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