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
- QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+ RETURNING ft2, ft2.*, ft4, ft4.*; -- can be pushed down
+ QUERY PLAN
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Update on public.ft2
- Output: ft2.ctid, ft2.*, ft2.c1, ft2.c2, ft2.c3, ft2.c4, ft2.c5, ft2.c6, ft2.c7, ft2.c8, ft4.ctid, ft4.*, ft4.c1, ft4.c2, ft4.c3
+ Output: ft2.*, ft2.c1, ft2.c2, ft2.c3, ft2.c4, ft2.c5, ft2.c6, ft2.c7, ft2.c8, ft4.*, ft4.c1, ft4.c2, ft4.c3
-> Foreign Update
- Remote SQL: UPDATE "S 1"."T 1" r1 SET c3 = 'foo'::text FROM ("S 1"."T 3" r2 INNER JOIN "S 1"."T 4" r3 ON (TRUE)) WHERE ((r2.c1 = r3.c1)) AND ((r1.c2 = r2.c1)) AND ((r1."C 1" > 1200)) RETURNING r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8, r1.ctid, r2.ctid, CASE WHEN (r2.*)::text IS NOT NULL THEN ROW(r2.c1, r2.c2, r2.c3) END, r2.c1, r2.c2, r2.c3
+ Remote SQL: UPDATE "S 1"."T 1" r1 SET c3 = 'foo'::text FROM ("S 1"."T 3" r2 INNER JOIN "S 1"."T 4" r3 ON (TRUE)) WHERE ((r2.c1 = r3.c1)) AND ((r1.c2 = r2.c1)) AND ((r1."C 1" > 1200)) RETURNING r1."C 1", r1.c2, r1.c3, r1.c4, r1.c5, r1.c6, r1.c7, r1.c8, CASE WHEN (r2.*)::text IS NOT NULL THEN ROW(r2.c1, r2.c2, r2.c3) END, r2.c1, r2.c2, r2.c3
(4 rows)
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.*;
- ctid | ft2 | c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8 | ctid | ft4 | c1 | c2 | c3
-----------+--------------------------------+------+----+-----+----+----+----+------------+----+--------+----------------+----+----+--------
- (12,102) | (1206,6,foo,,,,"ft2 ",) | 1206 | 6 | foo | | | | ft2 | | (0,6) | (6,7,AAA006) | 6 | 7 | AAA006
- (12,103) | (1212,12,foo,,,,"ft2 ",) | 1212 | 12 | foo | | | | ft2 | | (0,12) | (12,13,AAA012) | 12 | 13 | AAA012
- (12,104) | (1218,18,foo,,,,"ft2 ",) | 1218 | 18 | foo | | | | ft2 | | (0,18) | (18,19,AAA018) | 18 | 19 | AAA018
- (12,105) | (1224,24,foo,,,,"ft2 ",) | 1224 | 24 | foo | | | | ft2 | | (0,24) | (24,25,AAA024) | 24 | 25 | AAA024
- (12,106) | (1230,30,foo,,,,"ft2 ",) | 1230 | 30 | foo | | | | ft2 | | (0,30) | (30,31,AAA030) | 30 | 31 | AAA030
- (12,107) | (1236,36,foo,,,,"ft2 ",) | 1236 | 36 | foo | | | | ft2 | | (0,36) | (36,37,AAA036) | 36 | 37 | AAA036
- (12,108) | (1242,42,foo,,,,"ft2 ",) | 1242 | 42 | foo | | | | ft2 | | (0,42) | (42,43,AAA042) | 42 | 43 | AAA042
- (12,109) | (1248,48,foo,,,,"ft2 ",) | 1248 | 48 | foo | | | | ft2 | | (0,48) | (48,49,AAA048) | 48 | 49 | AAA048
- (12,110) | (1254,54,foo,,,,"ft2 ",) | 1254 | 54 | foo | | | | ft2 | | (0,54) | (54,55,AAA054) | 54 | 55 | AAA054
- (12,111) | (1260,60,foo,,,,"ft2 ",) | 1260 | 60 | foo | | | | ft2 | | (0,60) | (60,61,AAA060) | 60 | 61 | AAA060
- (12,112) | (1266,66,foo,,,,"ft2 ",) | 1266 | 66 | foo | | | | ft2 | | (0,66) | (66,67,AAA066) | 66 | 67 | AAA066
- (12,113) | (1272,72,foo,,,,"ft2 ",) | 1272 | 72 | foo | | | | ft2 | | (0,72) | (72,73,AAA072) | 72 | 73 | AAA072
- (12,114) | (1278,78,foo,,,,"ft2 ",) | 1278 | 78 | foo | | | | ft2 | | (0,78) | (78,79,AAA078) | 78 | 79 | AAA078
- (12,115) | (1284,84,foo,,,,"ft2 ",) | 1284 | 84 | foo | | | | ft2 | | (0,84) | (84,85,AAA084) | 84 | 85 | AAA084
- (12,116) | (1290,90,foo,,,,"ft2 ",) | 1290 | 90 | foo | | | | ft2 | | (0,90) | (90,91,AAA090) | 90 | 91 | AAA090
- (12,117) | (1296,96,foo,,,,"ft2 ",) | 1296 | 96 | foo | | | | ft2 | | (0,96) | (96,97,AAA096) | 96 | 97 | AAA096
+ RETURNING ft2, ft2.*, ft4, ft4.*;
+ ft2 | c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8 | ft4 | c1 | c2 | c3
+--------------------------------+------+----+-----+----+----+----+------------+----+----------------+----+----+--------
+ (1206,6,foo,,,,"ft2 ",) | 1206 | 6 | foo | | | | ft2 | | (6,7,AAA006) | 6 | 7 | AAA006
+ (1212,12,foo,,,,"ft2 ",) | 1212 | 12 | foo | | | | ft2 | | (12,13,AAA012) | 12 | 13 | AAA012
+ (1218,18,foo,,,,"ft2 ",) | 1218 | 18 | foo | | | | ft2 | | (18,19,AAA018) | 18 | 19 | AAA018
+ (1224,24,foo,,,,"ft2 ",) | 1224 | 24 | foo | | | | ft2 | | (24,25,AAA024) | 24 | 25 | AAA024
+ (1230,30,foo,,,,"ft2 ",) | 1230 | 30 | foo | | | | ft2 | | (30,31,AAA030) | 30 | 31 | AAA030
+ (1236,36,foo,,,,"ft2 ",) | 1236 | 36 | foo | | | | ft2 | | (36,37,AAA036) | 36 | 37 | AAA036
+ (1242,42,foo,,,,"ft2 ",) | 1242 | 42 | foo | | | | ft2 | | (42,43,AAA042) | 42 | 43 | AAA042
+ (1248,48,foo,,,,"ft2 ",) | 1248 | 48 | foo | | | | ft2 | | (48,49,AAA048) | 48 | 49 | AAA048
+ (1254,54,foo,,,,"ft2 ",) | 1254 | 54 | foo | | | | ft2 | | (54,55,AAA054) | 54 | 55 | AAA054
+ (1260,60,foo,,,,"ft2 ",) | 1260 | 60 | foo | | | | ft2 | | (60,61,AAA060) | 60 | 61 | AAA060
+ (1266,66,foo,,,,"ft2 ",) | 1266 | 66 | foo | | | | ft2 | | (66,67,AAA066) | 66 | 67 | AAA066
+ (1272,72,foo,,,,"ft2 ",) | 1272 | 72 | foo | | | | ft2 | | (72,73,AAA072) | 72 | 73 | AAA072
+ (1278,78,foo,,,,"ft2 ",) | 1278 | 78 | foo | | | | ft2 | | (78,79,AAA078) | 78 | 79 | AAA078
+ (1284,84,foo,,,,"ft2 ",) | 1284 | 84 | foo | | | | ft2 | | (84,85,AAA084) | 84 | 85 | AAA084
+ (1290,90,foo,,,,"ft2 ",) | 1290 | 90 | foo | | | | ft2 | | (90,91,AAA090) | 90 | 91 | AAA090
+ (1296,96,foo,,,,"ft2 ",) | 1296 | 96 | foo | | | | ft2 | | (96,97,AAA096) | 96 | 97 | AAA096
(16 rows)
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
+ RETURNING 100; -- can be pushed down
QUERY PLAN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Delete on public.ft2
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
+ RETURNING ft2.c1, ft2.c2, ft2.c3; -- can't be pushed down
QUERY PLAN
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Delete on public.ft2
- Output: ft2.ctid, ft2.c1, ft2.c2, ft2.c3
- Remote SQL: DELETE FROM "S 1"."T 1" WHERE ctid = $1 RETURNING "C 1", c2, c3, ctid
+ Output: ft2.c1, ft2.c2, ft2.c3
+ Remote SQL: DELETE FROM "S 1"."T 1" WHERE ctid = $1 RETURNING "C 1", c2, c3
-> Foreign Scan
Output: ft2.ctid, ft4.*, ft5.*
Filter: (ft4.c1 === ft5.c1)
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;
- ctid | c1 | c2 | c3
-----------+------+----+-----
- (12,112) | 2006 | 6 | baz
+ RETURNING ft2.c1, ft2.c2, ft2.c3;
+ c1 | c2 | c3
+------+----+-----
+ 2006 | 6 | baz
(1 row)
DELETE FROM ft2 WHERE ft2.c1 > 2000;