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Make some subquery-using test cases a bit more robust.

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These test cases could be adversely affected by an upcoming change
to allow pullup of FROM-less subqueries.  Tweak them to ensure that
they'll continue to test what they did before.

Discussion: https://postgr.es/m/5395.1539275668@sss.pgh.pa.us
This commit is contained in:
Tom Lane 2018-10-14 14:02:59 -04:00
parent 7d4a10e260
commit b403ea43e4
4 changed files with 15 additions and 16 deletions
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6
src/test/regress/expected/select.out
View File

@ -438,19 +438,19 @@ SELECT p.name, p.age FROM person* p ORDER BY age using >, name;
-- --
-- Test some cases involving whole-row Var referencing a subquery -- Test some cases involving whole-row Var referencing a subquery
-- --
select foo from (select 1) as foo; select foo from (select 1 offset 0) as foo;
foo foo
----- -----
(1) (1)
(1 row) (1 row)
select foo from (select null) as foo; select foo from (select null offset 0) as foo;
foo foo
----- -----
() ()
(1 row) (1 row)
select foo from (select 'xyzzy',1,null) as foo; select foo from (select 'xyzzy',1,null offset 0) as foo;
foo foo
------------ ------------
(xyzzy,1,) (xyzzy,1,)

15
src/test/regress/expected/select_parallel.out
View File

@ -1116,22 +1116,21 @@ EXECUTE pstmt('1', make_some_array(1,2));
DEALLOCATE pstmt; DEALLOCATE pstmt;
-- test interaction between subquery and partial_paths -- test interaction between subquery and partial_paths
SET LOCAL min_parallel_table_scan_size TO 0;
CREATE VIEW tenk1_vw_sec WITH (security_barrier) AS SELECT * FROM tenk1; CREATE VIEW tenk1_vw_sec WITH (security_barrier) AS SELECT * FROM tenk1;
EXPLAIN (COSTS OFF) EXPLAIN (COSTS OFF)
SELECT 1 FROM tenk1_vw_sec WHERE EXISTS (SELECT 1 WHERE unique1 = 0); SELECT 1 FROM tenk1_vw_sec
WHERE (SELECT sum(f1) FROM int4_tbl WHERE f1 < unique1) < 100;
QUERY PLAN QUERY PLAN
------------------------------------------------------------------- -------------------------------------------------------------------
Subquery Scan on tenk1_vw_sec Subquery Scan on tenk1_vw_sec
Filter: (alternatives: SubPlan 1 or hashed SubPlan 2) Filter: ((SubPlan 1) < 100)
-> Gather -> Gather
Workers Planned: 4 Workers Planned: 4
-> Parallel Index Only Scan using tenk1_unique1 on tenk1 -> Parallel Index Only Scan using tenk1_unique1 on tenk1
SubPlan 1 SubPlan 1
-> Result -> Aggregate
One-Time Filter: (tenk1_vw_sec.unique1 = 0) -> Seq Scan on int4_tbl
SubPlan 2 Filter: (f1 < tenk1_vw_sec.unique1)
-> Result (9 rows)
(10 rows)
rollback; rollback;

6
src/test/regress/sql/select.sql
View File

@ -116,9 +116,9 @@ SELECT p.name, p.age FROM person* p ORDER BY age using >, name;
-- --
-- Test some cases involving whole-row Var referencing a subquery -- Test some cases involving whole-row Var referencing a subquery
-- --
select foo from (select 1) as foo; select foo from (select 1 offset 0) as foo;
select foo from (select null) as foo; select foo from (select null offset 0) as foo;
select foo from (select 'xyzzy',1,null) as foo; select foo from (select 'xyzzy',1,null offset 0) as foo;
-- --
-- Test VALUES lists -- Test VALUES lists

4
src/test/regress/sql/select_parallel.sql
View File

@ -427,9 +427,9 @@ EXECUTE pstmt('1', make_some_array(1,2));
DEALLOCATE pstmt; DEALLOCATE pstmt;
-- test interaction between subquery and partial_paths -- test interaction between subquery and partial_paths
SET LOCAL min_parallel_table_scan_size TO 0;
CREATE VIEW tenk1_vw_sec WITH (security_barrier) AS SELECT * FROM tenk1; CREATE VIEW tenk1_vw_sec WITH (security_barrier) AS SELECT * FROM tenk1;
EXPLAIN (COSTS OFF) EXPLAIN (COSTS OFF)
SELECT 1 FROM tenk1_vw_sec WHERE EXISTS (SELECT 1 WHERE unique1 = 0); SELECT 1 FROM tenk1_vw_sec
WHERE (SELECT sum(f1) FROM int4_tbl WHERE f1 < unique1) < 100;
rollback; rollback;