Changeset: 6f6b8b69f246 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=6f6b8b69f246
Modified Files:
sql/server/rel_optimizer.c
Branch: default
Log Message:
Packing rel_push_select_down_join optimizer with other join optimizers
diffs (39 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
@@ -4618,7 +4618,7 @@ rel_push_select_down(visitor *v, sql_rel
return try_remove_empty_select(v, rel);
}
-static sql_rel *
+static inline sql_rel *
rel_push_select_down_join(visitor *v, sql_rel *rel)
{
list *exps = NULL;
@@ -9618,6 +9618,7 @@ rel_optimize_projections(visitor *v, sql
static sql_rel *
rel_optimize_joins(visitor *v, sql_rel *rel)
{
+ rel = rel_push_select_down_join(v, rel);
rel = rel_out2inner(v, rel);
rel = rel_join2semijoin(v, rel);
rel = rel_push_join_down_outer(v, rel);
@@ -9731,9 +9732,6 @@ optimize_rel(mvc *sql, sql_rel *rel, int
if (level <= 1 && gp.cnt[op_project])
rel = rel_exp_visitor_bottomup(&v, rel, &rel_merge_project_rse,
false);
- if (gp.cnt[op_join])
- rel = rel_visitor_topdown(&v, rel, &rel_push_select_down_join);
-
if (gp.cnt[op_union])
rel = rel_visitor_topdown(&v, rel,
&rel_optimize_unions_topdown);
@@ -9742,7 +9740,7 @@ optimize_rel(mvc *sql, sql_rel *rel, int
if (gp.cnt[op_join] || gp.cnt[op_left] || gp.cnt[op_right] ||
gp.cnt[op_full] || gp.cnt[op_semi] || gp.cnt[op_anti]) {
rel = rel_remove_empty_join(&v, rel);
- rel = rel_visitor_bottomup(&v, rel, &rel_optimize_joins);
+ rel = rel_visitor_topdown(&v, rel, &rel_optimize_joins);
if (!gp.cnt[op_update])
rel = rel_join_order(&v, rel);
if (level <= 0 && (gp.cnt[op_join] || gp.cnt[op_semi] ||
gp.cnt[op_anti]))
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