mirror of https://github.com/postgres/postgres
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
2.2 KiB
37 lines
2.2 KiB
Parsed test spec with 2 sessions
|
|
|
|
starting permutation: s0_begin s0_update s1_begin s1_tuplock s0_commit s1_commit
|
|
step s0_begin: BEGIN ISOLATION LEVEL READ COMMITTED;
|
|
step s0_update: UPDATE a SET i = i + 1;
|
|
step s1_begin: BEGIN ISOLATION LEVEL READ COMMITTED;
|
|
step s1_tuplock:
|
|
-- Verify if the sub-select has a foreign-join plan
|
|
EXPLAIN (VERBOSE, COSTS OFF)
|
|
SELECT a.i,
|
|
(SELECT 1 FROM fb, fc WHERE a.i = fb.i AND fb.i = fc.i)
|
|
FROM a FOR UPDATE;
|
|
SELECT a.i,
|
|
(SELECT 1 FROM fb, fc WHERE a.i = fb.i AND fb.i = fc.i)
|
|
FROM a FOR UPDATE;
|
|
<waiting ...>
|
|
step s0_commit: COMMIT;
|
|
step s1_tuplock: <... completed>
|
|
QUERY PLAN
|
|
----------------------------------------------------------------------------------------------------------------------------------------
|
|
LockRows
|
|
Output: a.i, ((SubPlan 1)), a.ctid
|
|
-> Seq Scan on public.a
|
|
Output: a.i, (SubPlan 1), a.ctid
|
|
SubPlan 1
|
|
-> Foreign Scan
|
|
Output: 1
|
|
Relations: (public.fb) INNER JOIN (public.fc)
|
|
Remote SQL: SELECT NULL FROM (public.b r1 INNER JOIN public.c r2 ON (((r2.i = $1::integer)) AND ((r1.i = $1::integer))))
|
|
(9 rows)
|
|
|
|
i|?column?
|
|
-+--------
|
|
2|
|
|
(1 row)
|
|
|
|
step s1_commit: COMMIT;
|
|
|