diff options
Diffstat (limited to 'tests/fixtures/optimizer')
| -rw-r--r-- | tests/fixtures/optimizer/eliminate_subqueries.sql | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/fixtures/optimizer/eliminate_subqueries.sql b/tests/fixtures/optimizer/eliminate_subqueries.sql index c566657..4fa63dd 100644 --- a/tests/fixtures/optimizer/eliminate_subqueries.sql +++ b/tests/fixtures/optimizer/eliminate_subqueries.sql @@ -50,6 +50,10 @@ WITH cte AS (SELECT 1 AS x, 2 AS y) SELECT cte.x AS x, cte.y AS y FROM cte AS ct (SELECT a FROM (SELECT b FROM x)) UNION (SELECT a FROM (SELECT b FROM y)); WITH cte AS (SELECT b FROM x), cte_2 AS (SELECT a FROM cte AS cte), cte_3 AS (SELECT b FROM y), cte_4 AS (SELECT a FROM cte_3 AS cte_3) (SELECT cte_2.a AS a FROM cte_2 AS cte_2) UNION (SELECT cte_4.a AS a FROM cte_4 AS cte_4); +-- Three unions +SELECT a FROM x UNION ALL SELECT a FROM y UNION ALL SELECT a FROM z; +WITH cte AS (SELECT a FROM x), cte_2 AS (SELECT a FROM y), cte_3 AS (SELECT a FROM z), cte_4 AS (SELECT cte_2.a AS a FROM cte_2 AS cte_2 UNION ALL SELECT cte_3.a AS a FROM cte_3 AS cte_3) SELECT cte.a AS a FROM cte AS cte UNION ALL SELECT cte_4.a AS a FROM cte_4 AS cte_4; + -- Subquery SELECT a FROM x WHERE b = (SELECT y.c FROM y); SELECT a FROM x WHERE b = (SELECT y.c FROM y); |