diff options
Diffstat (limited to 'src/test/regress/sql/groupingsets.sql')
| -rw-r--r-- | src/test/regress/sql/groupingsets.sql | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/regress/sql/groupingsets.sql b/src/test/regress/sql/groupingsets.sql index 18ae803e9d..3944944704 100644 --- a/src/test/regress/sql/groupingsets.sql +++ b/src/test/regress/sql/groupingsets.sql @@ -529,4 +529,30 @@ set work_mem to default; drop table gs_group_1; drop table gs_hash_1; +-- GROUP BY DISTINCT + +-- "normal" behavior... +select a, b, c +from (values (1, 2, 3), (4, null, 6), (7, 8, 9)) as t (a, b, c) +group by all rollup(a, b), rollup(a, c) +order by a, b, c; + +-- ...which is also the default +select a, b, c +from (values (1, 2, 3), (4, null, 6), (7, 8, 9)) as t (a, b, c) +group by rollup(a, b), rollup(a, c) +order by a, b, c; + +-- "group by distinct" behavior... +select a, b, c +from (values (1, 2, 3), (4, null, 6), (7, 8, 9)) as t (a, b, c) +group by distinct rollup(a, b), rollup(a, c) +order by a, b, c; + +-- ...which is not the same as "select distinct" +select distinct a, b, c +from (values (1, 2, 3), (4, null, 6), (7, 8, 9)) as t (a, b, c) +group by rollup(a, b), rollup(a, c) +order by a, b, c; + -- end |