Changeset: 60d278e13e3e for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/60d278e13e3e
Modified Files:
sql/server/rel_statistics.c
Branch: properties
Log Message:
Fix count for grouping
diffs (21 lines):
diff --git a/sql/server/rel_statistics.c b/sql/server/rel_statistics.c
--- a/sql/server/rel_statistics.c
+++ b/sql/server/rel_statistics.c
@@ -820,7 +820,7 @@ rel_get_statistics_(visitor *v, sql_rel
case op_groupby: {
if (list_empty(rel->r)) {
set_count_prop(v->sql->sa, rel, 1);
- } else {
+ } else if (list_length(rel->r) == 1) {
sql_exp *e = ((list*)rel->r)->h->data;
sql_rel *bt = NULL;
if (e->type == e_column && is_unique(e) &&
name_find_column(rel, e->l, e->r, -1, &bt) && bt && (p = find_prop(bt->p,
PROP_COUNT))) {
@@ -830,6 +830,8 @@ rel_get_statistics_(visitor *v, sql_rel
} else {
set_count_prop(v->sql->sa, rel,
get_rel_count(l));
}
+ } else {
+ set_count_prop(v->sql->sa, rel,
get_rel_count(l));
}
} break;
default:
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