diff options
Diffstat (limited to 'contrib/postgres_fdw/sql/postgres_fdw.sql')
| -rw-r--r-- | contrib/postgres_fdw/sql/postgres_fdw.sql | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/contrib/postgres_fdw/sql/postgres_fdw.sql b/contrib/postgres_fdw/sql/postgres_fdw.sql index c0b0dd949b6..88c4cb4783f 100644 --- a/contrib/postgres_fdw/sql/postgres_fdw.sql +++ b/contrib/postgres_fdw/sql/postgres_fdw.sql @@ -2263,8 +2263,9 @@ ALTER TABLE fprt2_p1 SET (autovacuum_enabled = 'false'); ALTER TABLE fprt2_p2 SET (autovacuum_enabled = 'false'); INSERT INTO fprt2_p1 SELECT i, i, to_char(i/50, 'FM0000') FROM generate_series(0, 249, 3) i; INSERT INTO fprt2_p2 SELECT i, i, to_char(i/50, 'FM0000') FROM generate_series(250, 499, 3) i; -CREATE FOREIGN TABLE ftprt2_p1 PARTITION OF fprt2 FOR VALUES FROM (0) TO (250) +CREATE FOREIGN TABLE ftprt2_p1 (b int, c varchar, a int) SERVER loopback OPTIONS (table_name 'fprt2_p1', use_remote_estimate 'true'); +ALTER TABLE fprt2 ATTACH PARTITION ftprt2_p1 FOR VALUES FROM (0) TO (250); CREATE FOREIGN TABLE ftprt2_p2 PARTITION OF fprt2 FOR VALUES FROM (250) TO (500) SERVER loopback OPTIONS (table_name 'fprt2_p2', use_remote_estimate 'true'); ANALYZE fprt2; @@ -2281,10 +2282,10 @@ EXPLAIN (COSTS OFF) SELECT t1.a,t2.b,t2.c FROM fprt1 t1 LEFT JOIN (SELECT * FROM fprt2 WHERE a < 10) t2 ON (t1.a = t2.b and t1.b = t2.a) WHERE t1.a < 10 ORDER BY 1,2,3; SELECT t1.a,t2.b,t2.c FROM fprt1 t1 LEFT JOIN (SELECT * FROM fprt2 WHERE a < 10) t2 ON (t1.a = t2.b and t1.b = t2.a) WHERE t1.a < 10 ORDER BY 1,2,3; --- with whole-row reference +-- with whole-row reference; partitionwise join does not apply EXPLAIN (COSTS OFF) -SELECT t1,t2 FROM fprt1 t1 JOIN fprt2 t2 ON (t1.a = t2.b and t1.b = t2.a) WHERE t1.a % 25 =0 ORDER BY 1,2; -SELECT t1,t2 FROM fprt1 t1 JOIN fprt2 t2 ON (t1.a = t2.b and t1.b = t2.a) WHERE t1.a % 25 =0 ORDER BY 1,2; +SELECT t1.wr, t2.wr FROM (SELECT t1 wr, a FROM fprt1 t1 WHERE t1.a % 25 = 0) t1 FULL JOIN (SELECT t2 wr, b FROM fprt2 t2 WHERE t2.b % 25 = 0) t2 ON (t1.a = t2.b) ORDER BY 1,2; +SELECT t1.wr, t2.wr FROM (SELECT t1 wr, a FROM fprt1 t1 WHERE t1.a % 25 = 0) t1 FULL JOIN (SELECT t2 wr, b FROM fprt2 t2 WHERE t2.b % 25 = 0) t2 ON (t1.a = t2.b) ORDER BY 1,2; -- join with lateral reference EXPLAIN (COSTS OFF) @@ -2296,6 +2297,11 @@ EXPLAIN (COSTS OFF) SELECT t1.a, t1.phv, t2.b, t2.phv FROM (SELECT 't1_phv' phv, * FROM fprt1 WHERE a % 25 = 0) t1 FULL JOIN (SELECT 't2_phv' phv, * FROM fprt2 WHERE b % 25 = 0) t2 ON (t1.a = t2.b) ORDER BY t1.a, t2.b; SELECT t1.a, t1.phv, t2.b, t2.phv FROM (SELECT 't1_phv' phv, * FROM fprt1 WHERE a % 25 = 0) t1 FULL JOIN (SELECT 't2_phv' phv, * FROM fprt2 WHERE b % 25 = 0) t2 ON (t1.a = t2.b) ORDER BY t1.a, t2.b; +-- test FOR UPDATE; partitionwise join does not apply +EXPLAIN (COSTS OFF) +SELECT t1.a, t2.b FROM fprt1 t1 INNER JOIN fprt2 t2 ON (t1.a = t2.b) WHERE t1.a % 25 = 0 ORDER BY 1,2 FOR UPDATE OF t1; +SELECT t1.a, t2.b FROM fprt1 t1 INNER JOIN fprt2 t2 ON (t1.a = t2.b) WHERE t1.a % 25 = 0 ORDER BY 1,2 FOR UPDATE OF t1; + RESET enable_partitionwise_join; |