Changeset: 5757e2e21367 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=5757e2e21367
Modified Files:
sql/server/rel_optimizer.c
Branch: Jun2020
Log Message:
Small performance fix, joins with comple cmp expressions should be pushed up
early
diffs (12 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
@@ -883,7 +883,7 @@ order_joins(mvc *sql, list *rels, list *
/* complex expressions may touch multiple base tables
* Should be pushed up to extra selection.
* */
- if (cje->type != e_cmp || !is_complex_exp(cje->flag) ||
!find_prop(cje->p, PROP_HASHCOL) /*||
+ if (cje->type != e_cmp || is_complex_exp(cje->flag) ||
!find_prop(cje->p, PROP_HASHCOL) /*||
(cje->type == e_cmp && cje->f == NULL)*/) {
l = find_one_rel(rels, cje->l);
r = find_one_rel(rels, cje->r);
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