diff options
Diffstat (limited to 'contrib/postgres_fdw/sql/postgres_fdw.sql')
| -rw-r--r-- | contrib/postgres_fdw/sql/postgres_fdw.sql | 56 |
1 files changed, 54 insertions, 2 deletions
diff --git a/contrib/postgres_fdw/sql/postgres_fdw.sql b/contrib/postgres_fdw/sql/postgres_fdw.sql index 400a9b0cd7b..e0a1d6febed 100644 --- a/contrib/postgres_fdw/sql/postgres_fdw.sql +++ b/contrib/postgres_fdw/sql/postgres_fdw.sql @@ -1082,14 +1082,14 @@ UPDATE ft2 SET c2 = c2 + 400, c3 = c3 || '_update7' WHERE c1 % 10 = 7 RETURNING UPDATE ft2 SET c2 = c2 + 400, c3 = c3 || '_update7' WHERE c1 % 10 = 7 RETURNING *; EXPLAIN (verbose, costs off) UPDATE ft2 SET c2 = ft2.c2 + 500, c3 = ft2.c3 || '_update9', c7 = DEFAULT - FROM ft1 WHERE ft1.c1 = ft2.c2 AND ft1.c1 % 10 = 9; -- can't be pushed down + FROM ft1 WHERE ft1.c1 = ft2.c2 AND ft1.c1 % 10 = 9; -- can be pushed down UPDATE ft2 SET c2 = ft2.c2 + 500, c3 = ft2.c3 || '_update9', c7 = DEFAULT FROM ft1 WHERE ft1.c1 = ft2.c2 AND ft1.c1 % 10 = 9; EXPLAIN (verbose, costs off) DELETE FROM ft2 WHERE c1 % 10 = 5 RETURNING c1, c4; -- can be pushed down DELETE FROM ft2 WHERE c1 % 10 = 5 RETURNING c1, c4; EXPLAIN (verbose, costs off) -DELETE FROM ft2 USING ft1 WHERE ft1.c1 = ft2.c2 AND ft1.c1 % 10 = 2; -- can't be pushed down +DELETE FROM ft2 USING ft1 WHERE ft1.c1 = ft2.c2 AND ft1.c1 % 10 = 2; -- can be pushed down DELETE FROM ft2 USING ft1 WHERE ft1.c1 = ft2.c2 AND ft1.c1 % 10 = 2; SELECT c1,c2,c3,c4 FROM ft2 ORDER BY c1; EXPLAIN (verbose, costs off) @@ -1102,6 +1102,58 @@ EXPLAIN (verbose, costs off) DELETE FROM ft2 WHERE c1 = 9999 RETURNING tableoid::regclass; -- can be pushed down DELETE FROM ft2 WHERE c1 = 9999 RETURNING tableoid::regclass; +-- Test UPDATE/DELETE with RETURNING on a three-table join +INSERT INTO ft2 (c1,c2,c3) + SELECT id, id - 1200, to_char(id, 'FM00000') FROM generate_series(1201, 1300) id; +EXPLAIN (verbose, costs off) +UPDATE ft2 SET c3 = 'foo' + FROM ft4 INNER JOIN ft5 ON (ft4.c1 = ft5.c1) + WHERE ft2.c1 > 1200 AND ft2.c2 = ft4.c1 + RETURNING ft2.ctid, ft2, ft2.*, ft4.ctid, ft4, ft4.*; -- can be pushed down +UPDATE ft2 SET c3 = 'foo' + FROM ft4 INNER JOIN ft5 ON (ft4.c1 = ft5.c1) + WHERE ft2.c1 > 1200 AND ft2.c2 = ft4.c1 + RETURNING ft2.ctid, ft2, ft2.*, ft4.ctid, ft4, ft4.*; +EXPLAIN (verbose, costs off) +DELETE FROM ft2 + USING ft4 LEFT JOIN ft5 ON (ft4.c1 = ft5.c1) + WHERE ft2.c1 > 1200 AND ft2.c1 % 10 = 0 AND ft2.c2 = ft4.c1 + RETURNING 100; -- can be pushed down +DELETE FROM ft2 + USING ft4 LEFT JOIN ft5 ON (ft4.c1 = ft5.c1) + WHERE ft2.c1 > 1200 AND ft2.c1 % 10 = 0 AND ft2.c2 = ft4.c1 + RETURNING 100; +DELETE FROM ft2 WHERE ft2.c1 > 1200; + +-- Test UPDATE/DELETE with WHERE or JOIN/ON conditions containing +-- user-defined operators/functions +ALTER SERVER loopback OPTIONS (DROP extensions); +INSERT INTO ft2 (c1,c2,c3) + SELECT id, id % 10, to_char(id, 'FM00000') FROM generate_series(2001, 2010) id; +EXPLAIN (verbose, costs off) +UPDATE ft2 SET c3 = 'bar' WHERE postgres_fdw_abs(c1) > 2000 RETURNING *; -- can't be pushed down +UPDATE ft2 SET c3 = 'bar' WHERE postgres_fdw_abs(c1) > 2000 RETURNING *; +EXPLAIN (verbose, costs off) +UPDATE ft2 SET c3 = 'baz' + FROM ft4 INNER JOIN ft5 ON (ft4.c1 = ft5.c1) + WHERE ft2.c1 > 2000 AND ft2.c2 === ft4.c1 + RETURNING ft2.*, ft4.*, ft5.*; -- can't be pushed down +UPDATE ft2 SET c3 = 'baz' + FROM ft4 INNER JOIN ft5 ON (ft4.c1 = ft5.c1) + WHERE ft2.c1 > 2000 AND ft2.c2 === ft4.c1 + RETURNING ft2.*, ft4.*, ft5.*; +EXPLAIN (verbose, costs off) +DELETE FROM ft2 + USING ft4 INNER JOIN ft5 ON (ft4.c1 === ft5.c1) + WHERE ft2.c1 > 2000 AND ft2.c2 = ft4.c1 + RETURNING ft2.ctid, ft2.c1, ft2.c2, ft2.c3; -- can't be pushed down +DELETE FROM ft2 + USING ft4 INNER JOIN ft5 ON (ft4.c1 === ft5.c1) + WHERE ft2.c1 > 2000 AND ft2.c2 = ft4.c1 + RETURNING ft2.ctid, ft2.c1, ft2.c2, ft2.c3; +DELETE FROM ft2 WHERE ft2.c1 > 2000; +ALTER SERVER loopback OPTIONS (ADD extensions 'postgres_fdw'); + -- Test that trigger on remote table works as expected CREATE OR REPLACE FUNCTION "S 1".F_BRTRIG() RETURNS trigger AS $$ BEGIN |