diff options
Diffstat (limited to 'contrib/postgres_fdw')
| -rw-r--r-- | contrib/postgres_fdw/expected/postgres_fdw.out | 66 | ||||
| -rw-r--r-- | contrib/postgres_fdw/sql/postgres_fdw.sql | 13 |
2 files changed, 79 insertions, 0 deletions
diff --git a/contrib/postgres_fdw/expected/postgres_fdw.out b/contrib/postgres_fdw/expected/postgres_fdw.out index 477de09a876..44457f930c2 100644 --- a/contrib/postgres_fdw/expected/postgres_fdw.out +++ b/contrib/postgres_fdw/expected/postgres_fdw.out @@ -10734,6 +10734,72 @@ SELECT * FROM result_tbl ORDER BY a; (12 rows) DELETE FROM result_tbl; +-- Disable async execution if we use gating Result nodes for pseudoconstant +-- quals +EXPLAIN (VERBOSE, COSTS OFF) +SELECT * FROM async_pt WHERE CURRENT_USER = SESSION_USER; + QUERY PLAN +---------------------------------------------------------------- + Append + -> Result + Output: async_pt_1.a, async_pt_1.b, async_pt_1.c + One-Time Filter: (CURRENT_USER = SESSION_USER) + -> Foreign Scan on public.async_p1 async_pt_1 + Output: async_pt_1.a, async_pt_1.b, async_pt_1.c + Remote SQL: SELECT a, b, c FROM public.base_tbl1 + -> Result + Output: async_pt_2.a, async_pt_2.b, async_pt_2.c + One-Time Filter: (CURRENT_USER = SESSION_USER) + -> Foreign Scan on public.async_p2 async_pt_2 + Output: async_pt_2.a, async_pt_2.b, async_pt_2.c + Remote SQL: SELECT a, b, c FROM public.base_tbl2 + -> Result + Output: async_pt_3.a, async_pt_3.b, async_pt_3.c + One-Time Filter: (CURRENT_USER = SESSION_USER) + -> Seq Scan on public.async_p3 async_pt_3 + Output: async_pt_3.a, async_pt_3.b, async_pt_3.c +(18 rows) + +EXPLAIN (VERBOSE, COSTS OFF) +(SELECT * FROM async_p1 WHERE CURRENT_USER = SESSION_USER) +UNION ALL +(SELECT * FROM async_p2 WHERE CURRENT_USER = SESSION_USER); + QUERY PLAN +---------------------------------------------------------------- + Append + -> Result + Output: async_p1.a, async_p1.b, async_p1.c + One-Time Filter: (CURRENT_USER = SESSION_USER) + -> Foreign Scan on public.async_p1 + Output: async_p1.a, async_p1.b, async_p1.c + Remote SQL: SELECT a, b, c FROM public.base_tbl1 + -> Result + Output: async_p2.a, async_p2.b, async_p2.c + One-Time Filter: (CURRENT_USER = SESSION_USER) + -> Foreign Scan on public.async_p2 + Output: async_p2.a, async_p2.b, async_p2.c + Remote SQL: SELECT a, b, c FROM public.base_tbl2 +(13 rows) + +EXPLAIN (VERBOSE, COSTS OFF) +SELECT * FROM ((SELECT * FROM async_p1 WHERE b < 10) UNION ALL (SELECT * FROM async_p2 WHERE b < 10)) s WHERE CURRENT_USER = SESSION_USER; + QUERY PLAN +--------------------------------------------------------------------------------- + Append + -> Result + Output: async_p1.a, async_p1.b, async_p1.c + One-Time Filter: (CURRENT_USER = SESSION_USER) + -> Foreign Scan on public.async_p1 + Output: async_p1.a, async_p1.b, async_p1.c + Remote SQL: SELECT a, b, c FROM public.base_tbl1 WHERE ((b < 10)) + -> Result + Output: async_p2.a, async_p2.b, async_p2.c + One-Time Filter: (CURRENT_USER = SESSION_USER) + -> Foreign Scan on public.async_p2 + Output: async_p2.a, async_p2.b, async_p2.c + Remote SQL: SELECT a, b, c FROM public.base_tbl2 WHERE ((b < 10)) +(13 rows) + -- Test that pending requests are processed properly SET enable_mergejoin TO false; SET enable_hashjoin TO false; diff --git a/contrib/postgres_fdw/sql/postgres_fdw.sql b/contrib/postgres_fdw/sql/postgres_fdw.sql index ed181dedff5..92d12120272 100644 --- a/contrib/postgres_fdw/sql/postgres_fdw.sql +++ b/contrib/postgres_fdw/sql/postgres_fdw.sql @@ -3410,6 +3410,19 @@ UNION ALL SELECT * FROM result_tbl ORDER BY a; DELETE FROM result_tbl; +-- Disable async execution if we use gating Result nodes for pseudoconstant +-- quals +EXPLAIN (VERBOSE, COSTS OFF) +SELECT * FROM async_pt WHERE CURRENT_USER = SESSION_USER; + +EXPLAIN (VERBOSE, COSTS OFF) +(SELECT * FROM async_p1 WHERE CURRENT_USER = SESSION_USER) +UNION ALL +(SELECT * FROM async_p2 WHERE CURRENT_USER = SESSION_USER); + +EXPLAIN (VERBOSE, COSTS OFF) +SELECT * FROM ((SELECT * FROM async_p1 WHERE b < 10) UNION ALL (SELECT * FROM async_p2 WHERE b < 10)) s WHERE CURRENT_USER = SESSION_USER; + -- Test that pending requests are processed properly SET enable_mergejoin TO false; SET enable_hashjoin TO false; |