Changeset: 0c51fd966865 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/0c51fd966865
Modified Files:
sql/backends/monet5/rel_physical.c
Branch: default
Log Message:
more order-based aggrs could use pre sorting step
diffs (22 lines):
diff --git a/sql/backends/monet5/rel_physical.c
b/sql/backends/monet5/rel_physical.c
--- a/sql/backends/monet5/rel_physical.c
+++ b/sql/backends/monet5/rel_physical.c
@@ -13,6 +13,9 @@
#include "rel_exp.h"
#include "rel_rel.h"
+#define IS_ORDER_BASED_AGGR(name) (strcmp((name), "quantile") == 0 ||
strcmp((name), "quantile_avg") == 0 || \
+ strcmp((name), "median") == 0 ||
strcmp((name), "median_avg") == 0)
+
static sql_rel *
rel_add_orderby(visitor *v, sql_rel *rel)
{
@@ -26,7 +29,7 @@ rel_add_orderby(visitor *v, sql_rel *rel
list *aa = e->l;
/* for now we only handle one sort
order */
- if (strcmp(af->func->base.name,
"quantile") == 0 && aa && list_length(aa) == 2) {
+ if
(IS_ORDER_BASED_AGGR(af->func->base.name) && aa && list_length(aa) == 2) {
sql_exp *obe = aa->h->data;
if (obe) {
sql_rel *l = rel->l =
rel_project(v->sql->sa, rel->l, rel_projections(v->sql, rel->l, NULL, 1, 1));
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