diff options
Diffstat (limited to 'contrib/postgres_fdw/sql/postgres_fdw.sql')
| -rw-r--r-- | contrib/postgres_fdw/sql/postgres_fdw.sql | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/contrib/postgres_fdw/sql/postgres_fdw.sql b/contrib/postgres_fdw/sql/postgres_fdw.sql index 319c15d635c..151f4f18341 100644 --- a/contrib/postgres_fdw/sql/postgres_fdw.sql +++ b/contrib/postgres_fdw/sql/postgres_fdw.sql @@ -309,6 +309,18 @@ SELECT t1."C 1", t2.c1, t3.c1 FROM "S 1"."T 1" t1 full join ft1 t2 full join ft2 RESET enable_hashjoin; RESET enable_nestloop; +-- Test executing assertion in estimate_path_cost_size() that makes sure that +-- retrieved_rows for foreign rel re-used to cost pre-sorted foreign paths is +-- a sensible value even when the rel has tuples=0 +CREATE TABLE loct_empty (c1 int NOT NULL, c2 text); +CREATE FOREIGN TABLE ft_empty (c1 int NOT NULL, c2 text) + SERVER loopback OPTIONS (table_name 'loct_empty'); +INSERT INTO loct_empty + SELECT id, 'AAA' || to_char(id, 'FM000') FROM generate_series(1, 100) id; +DELETE FROM loct_empty; +ANALYZE ft_empty; +EXPLAIN (VERBOSE, COSTS OFF) SELECT * FROM ft_empty ORDER BY c1; + -- =================================================================== -- WHERE with remotely-executable conditions -- =================================================================== |