diff options
Diffstat (limited to 'contrib/postgres_fdw/sql/postgres_fdw.sql')
| -rw-r--r-- | contrib/postgres_fdw/sql/postgres_fdw.sql | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/contrib/postgres_fdw/sql/postgres_fdw.sql b/contrib/postgres_fdw/sql/postgres_fdw.sql index e73c258ff4a..400a9b0cd7b 100644 --- a/contrib/postgres_fdw/sql/postgres_fdw.sql +++ b/contrib/postgres_fdw/sql/postgres_fdw.sql @@ -560,11 +560,16 @@ SELECT ft5, ft5.c1, ft5.c2, ft5.c3, ft4.c1, ft4.c2 FROM ft5 left join ft4 on ft5 SELECT ft5, ft5.c1, ft5.c2, ft5.c3, ft4.c1, ft4.c2 FROM ft5 left join ft4 on ft5.c1 = ft4.c1 WHERE ft4.c1 BETWEEN 10 and 30 ORDER BY ft5.c1, ft4.c1; -- multi-way join involving multiple merge joins +-- (this case used to have EPQ-related planning problems) +SET enable_nestloop TO false; +SET enable_hashjoin TO false; EXPLAIN (VERBOSE, COSTS OFF) -SELECT * FROM ft1, ft2, ft4, ft5 WHERE ft1.c1 = ft2.c1 AND ft1.c1 = ft4.c1 - AND ft1.c1 = ft5.c1 FOR UPDATE; -SELECT * FROM ft1, ft2, ft4, ft5 WHERE ft1.c1 = ft2.c1 AND ft1.c1 = ft4.c1 - AND ft1.c1 = ft5.c1 FOR UPDATE; +SELECT * FROM ft1, ft2, ft4, ft5 WHERE ft1.c1 = ft2.c1 AND ft1.c2 = ft4.c1 + AND ft1.c2 = ft5.c1 AND ft1.c1 < 100 AND ft2.c1 < 100 FOR UPDATE; +SELECT * FROM ft1, ft2, ft4, ft5 WHERE ft1.c1 = ft2.c1 AND ft1.c2 = ft4.c1 + AND ft1.c2 = ft5.c1 AND ft1.c1 < 100 AND ft2.c1 < 100 FOR UPDATE; +RESET enable_nestloop; +RESET enable_hashjoin; -- check join pushdown in situations where multiple userids are involved CREATE ROLE regress_view_owner SUPERUSER; |