diff options
Diffstat (limited to 'tests/fixtures/optimizer/eliminate_subqueries.sql')
| -rw-r--r-- | tests/fixtures/optimizer/eliminate_subqueries.sql | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/tests/fixtures/optimizer/eliminate_subqueries.sql b/tests/fixtures/optimizer/eliminate_subqueries.sql index e18d2a4..f2b117b 100644 --- a/tests/fixtures/optimizer/eliminate_subqueries.sql +++ b/tests/fixtures/optimizer/eliminate_subqueries.sql @@ -42,17 +42,9 @@ WITH y AS (SELECT a FROM x), z AS (SELECT a FROM y AS y) SELECT a FROM z AS z CR WITH y AS (SELECT a FROM (SELECT a FROM x) AS y) SELECT a FROM y; WITH y_2 AS (SELECT a FROM x), y AS (SELECT a FROM y_2 AS y) SELECT a FROM y; --- Union -SELECT 1 AS x, 2 AS y UNION ALL SELECT 1 AS x, 2 AS y; -WITH cte AS (SELECT 1 AS x, 2 AS y) SELECT cte.x AS x, cte.y AS y FROM cte AS cte UNION ALL SELECT cte.x AS x, cte.y AS y FROM cte AS cte; - -- Union of selects with derived tables (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; +WITH cte AS (SELECT b FROM x), cte_2 AS (SELECT b FROM y) (SELECT a FROM cte AS cte) UNION (SELECT a FROM cte_2 AS cte_2); -- Subquery SELECT a FROM x WHERE b = (SELECT y.c FROM y); |