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Avoid retrieving dummy NULL columns in postgres_fdw.
This should provide some marginal overall savings, since it surely takes many more cycles for the remote server to deal with the NULL columns than it takes for postgres_fdw not to emit them. But really the reason is to keep the emitted queries from looking quite so silly ...
This commit is contained in:
Tom Lane
@ -473,16 +473,16 @@ SELECT * FROM ft2 a, ft2 b WHERE a.c1 = 47 AND b.c1 = a.c2;
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-- simple join
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PREPARE st1(int, int) AS SELECT t1.c3, t2.c3 FROM ft1 t1, ft2 t2 WHERE t1.c1 = $1 AND t2.c1 = $2;
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EXPLAIN (VERBOSE, COSTS false) EXECUTE st1(1, 2);
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QUERY PLAN
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--------------------------------------------------------------------------------------------------------------
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QUERY PLAN
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--------------------------------------------------------------------
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Nested Loop
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Output: t1.c3, t2.c3
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-> Foreign Scan on public.ft1 t1
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Output: t1.c3
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Remote SQL: SELECT NULL, NULL, c3, NULL, NULL, NULL, NULL, NULL FROM "S 1"."T 1" WHERE (("C 1" = 1))
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Remote SQL: SELECT c3 FROM "S 1"."T 1" WHERE (("C 1" = 1))
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-> Foreign Scan on public.ft2 t2
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Output: t2.c3
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Remote SQL: SELECT NULL, NULL, c3, NULL, NULL, NULL, NULL, NULL FROM "S 1"."T 1" WHERE (("C 1" = 2))
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Remote SQL: SELECT c3 FROM "S 1"."T 1" WHERE (("C 1" = 2))
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(8 rows)
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EXECUTE st1(1, 1);
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@ -500,8 +500,8 @@ EXECUTE st1(101, 101);
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-- subquery using stable function (can't be sent to remote)
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PREPARE st2(int) AS SELECT * FROM ft1 t1 WHERE t1.c1 < $2 AND t1.c3 IN (SELECT c3 FROM ft2 t2 WHERE c1 > $1 AND date(c4) = '1970-01-17'::date) ORDER BY c1;
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EXPLAIN (VERBOSE, COSTS false) EXECUTE st2(10, 20);
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QUERY PLAN
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-------------------------------------------------------------------------------------------------------------------------
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QUERY PLAN
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----------------------------------------------------------------------------------------------------------
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Sort
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Output: t1.c1, t1.c2, t1.c3, t1.c4, t1.c5, t1.c6, t1.c7, t1.c8
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Sort Key: t1.c1
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@ -516,7 +516,7 @@ EXPLAIN (VERBOSE, COSTS false) EXECUTE st2(10, 20);
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-> Foreign Scan on public.ft2 t2
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Output: t2.c3
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Filter: (date(t2.c4) = '01-17-1970'::date)
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Remote SQL: SELECT NULL, NULL, c3, c4, NULL, NULL, NULL, NULL FROM "S 1"."T 1" WHERE (("C 1" > 10))
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Remote SQL: SELECT c3, c4 FROM "S 1"."T 1" WHERE (("C 1" > 10))
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(15 rows)
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EXECUTE st2(10, 20);
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@ -534,8 +534,8 @@ EXECUTE st2(101, 121);
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-- subquery using immutable function (can be sent to remote)
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PREPARE st3(int) AS SELECT * FROM ft1 t1 WHERE t1.c1 < $2 AND t1.c3 IN (SELECT c3 FROM ft2 t2 WHERE c1 > $1 AND date(c5) = '1970-01-17'::date) ORDER BY c1;
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EXPLAIN (VERBOSE, COSTS false) EXECUTE st3(10, 20);
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QUERY PLAN
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-----------------------------------------------------------------------------------------------------------------------------------------------------------------
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QUERY PLAN
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-----------------------------------------------------------------------------------------------------------------------
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Sort
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Output: t1.c1, t1.c2, t1.c3, t1.c4, t1.c5, t1.c6, t1.c7, t1.c8
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Sort Key: t1.c1
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@ -549,7 +549,7 @@ EXPLAIN (VERBOSE, COSTS false) EXECUTE st3(10, 20);
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Output: t2.c3
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-> Foreign Scan on public.ft2 t2
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Output: t2.c3
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Remote SQL: SELECT NULL, NULL, c3, NULL, NULL, NULL, NULL, NULL FROM "S 1"."T 1" WHERE (("C 1" > 10)) AND ((date(c5) = '1970-01-17'::date))
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Remote SQL: SELECT c3 FROM "S 1"."T 1" WHERE (("C 1" > 10)) AND ((date(c5) = '1970-01-17'::date))
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(14 rows)
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EXECUTE st3(10, 20);
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@ -834,7 +834,7 @@ INSERT INTO ft2 (c1,c2,c3) SELECT c1+1000,c2+100, c3 || c3 FROM ft2 LIMIT 20;
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Output: ((ft2_1.c1 + 1000)), ((ft2_1.c2 + 100)), ((ft2_1.c3 || ft2_1.c3))
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-> Foreign Scan on public.ft2 ft2_1
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Output: (ft2_1.c1 + 1000), (ft2_1.c2 + 100), (ft2_1.c3 || ft2_1.c3)
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Remote SQL: SELECT "C 1", c2, c3, NULL, NULL, NULL, NULL, NULL FROM "S 1"."T 1"
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Remote SQL: SELECT "C 1", c2, c3 FROM "S 1"."T 1"
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(9 rows)
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INSERT INTO ft2 (c1,c2,c3) SELECT c1+1000,c2+100, c3 || c3 FROM ft2 LIMIT 20;
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@ -968,7 +968,7 @@ UPDATE ft2 SET c2 = ft2.c2 + 500, c3 = ft2.c3 || '_update9', c7 = DEFAULT
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Hash Cond: (ft2.c2 = ft1.c1)
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-> Foreign Scan on public.ft2
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Output: ft2.c1, ft2.c2, ft2.c3, ft2.c4, ft2.c5, ft2.c6, ft2.c8, ft2.ctid
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Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, NULL, c8, ctid FROM "S 1"."T 1" FOR UPDATE
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Remote SQL: SELECT "C 1", c2, c3, c4, c5, c6, c8, ctid FROM "S 1"."T 1" FOR UPDATE
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-> Hash
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Output: ft1.*, ft1.c1
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-> Foreign Scan on public.ft1
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@ -978,112 +978,124 @@ UPDATE ft2 SET c2 = ft2.c2 + 500, c3 = ft2.c3 || '_update9', c7 = DEFAULT
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UPDATE ft2 SET c2 = ft2.c2 + 500, c3 = ft2.c3 || '_update9', c7 = DEFAULT
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FROM ft1 WHERE ft1.c1 = ft2.c2 AND ft1.c1 % 10 = 9;
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DELETE FROM ft2 WHERE c1 % 10 = 5 RETURNING *;
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c1 | c2 | c3 | c4 | c5 | c6 | c7 | c8
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------+-----+------------+------------------------------+--------------------------+----+------------+-----
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5 | 5 | 00005 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
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15 | 5 | 00015 | Fri Jan 16 00:00:00 1970 PST | Fri Jan 16 00:00:00 1970 | 5 | 5 | foo
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25 | 5 | 00025 | Mon Jan 26 00:00:00 1970 PST | Mon Jan 26 00:00:00 1970 | 5 | 5 | foo
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35 | 5 | 00035 | Thu Feb 05 00:00:00 1970 PST | Thu Feb 05 00:00:00 1970 | 5 | 5 | foo
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45 | 5 | 00045 | Sun Feb 15 00:00:00 1970 PST | Sun Feb 15 00:00:00 1970 | 5 | 5 | foo
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55 | 5 | 00055 | Wed Feb 25 00:00:00 1970 PST | Wed Feb 25 00:00:00 1970 | 5 | 5 | foo
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65 | 5 | 00065 | Sat Mar 07 00:00:00 1970 PST | Sat Mar 07 00:00:00 1970 | 5 | 5 | foo
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75 | 5 | 00075 | Tue Mar 17 00:00:00 1970 PST | Tue Mar 17 00:00:00 1970 | 5 | 5 | foo
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85 | 5 | 00085 | Fri Mar 27 00:00:00 1970 PST | Fri Mar 27 00:00:00 1970 | 5 | 5 | foo
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95 | 5 | 00095 | Mon Apr 06 00:00:00 1970 PST | Mon Apr 06 00:00:00 1970 | 5 | 5 | foo
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105 | 5 | 00105 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
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115 | 5 | 00115 | Fri Jan 16 00:00:00 1970 PST | Fri Jan 16 00:00:00 1970 | 5 | 5 | foo
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125 | 5 | 00125 | Mon Jan 26 00:00:00 1970 PST | Mon Jan 26 00:00:00 1970 | 5 | 5 | foo
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135 | 5 | 00135 | Thu Feb 05 00:00:00 1970 PST | Thu Feb 05 00:00:00 1970 | 5 | 5 | foo
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145 | 5 | 00145 | Sun Feb 15 00:00:00 1970 PST | Sun Feb 15 00:00:00 1970 | 5 | 5 | foo
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155 | 5 | 00155 | Wed Feb 25 00:00:00 1970 PST | Wed Feb 25 00:00:00 1970 | 5 | 5 | foo
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165 | 5 | 00165 | Sat Mar 07 00:00:00 1970 PST | Sat Mar 07 00:00:00 1970 | 5 | 5 | foo
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175 | 5 | 00175 | Tue Mar 17 00:00:00 1970 PST | Tue Mar 17 00:00:00 1970 | 5 | 5 | foo
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185 | 5 | 00185 | Fri Mar 27 00:00:00 1970 PST | Fri Mar 27 00:00:00 1970 | 5 | 5 | foo
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195 | 5 | 00195 | Mon Apr 06 00:00:00 1970 PST | Mon Apr 06 00:00:00 1970 | 5 | 5 | foo
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205 | 5 | 00205 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
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215 | 5 | 00215 | Fri Jan 16 00:00:00 1970 PST | Fri Jan 16 00:00:00 1970 | 5 | 5 | foo
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225 | 5 | 00225 | Mon Jan 26 00:00:00 1970 PST | Mon Jan 26 00:00:00 1970 | 5 | 5 | foo
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235 | 5 | 00235 | Thu Feb 05 00:00:00 1970 PST | Thu Feb 05 00:00:00 1970 | 5 | 5 | foo
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245 | 5 | 00245 | Sun Feb 15 00:00:00 1970 PST | Sun Feb 15 00:00:00 1970 | 5 | 5 | foo
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255 | 5 | 00255 | Wed Feb 25 00:00:00 1970 PST | Wed Feb 25 00:00:00 1970 | 5 | 5 | foo
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265 | 5 | 00265 | Sat Mar 07 00:00:00 1970 PST | Sat Mar 07 00:00:00 1970 | 5 | 5 | foo
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275 | 5 | 00275 | Tue Mar 17 00:00:00 1970 PST | Tue Mar 17 00:00:00 1970 | 5 | 5 | foo
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285 | 5 | 00285 | Fri Mar 27 00:00:00 1970 PST | Fri Mar 27 00:00:00 1970 | 5 | 5 | foo
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295 | 5 | 00295 | Mon Apr 06 00:00:00 1970 PST | Mon Apr 06 00:00:00 1970 | 5 | 5 | foo
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305 | 5 | 00305 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
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315 | 5 | 00315 | Fri Jan 16 00:00:00 1970 PST | Fri Jan 16 00:00:00 1970 | 5 | 5 | foo
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325 | 5 | 00325 | Mon Jan 26 00:00:00 1970 PST | Mon Jan 26 00:00:00 1970 | 5 | 5 | foo
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335 | 5 | 00335 | Thu Feb 05 00:00:00 1970 PST | Thu Feb 05 00:00:00 1970 | 5 | 5 | foo
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345 | 5 | 00345 | Sun Feb 15 00:00:00 1970 PST | Sun Feb 15 00:00:00 1970 | 5 | 5 | foo
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355 | 5 | 00355 | Wed Feb 25 00:00:00 1970 PST | Wed Feb 25 00:00:00 1970 | 5 | 5 | foo
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365 | 5 | 00365 | Sat Mar 07 00:00:00 1970 PST | Sat Mar 07 00:00:00 1970 | 5 | 5 | foo
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375 | 5 | 00375 | Tue Mar 17 00:00:00 1970 PST | Tue Mar 17 00:00:00 1970 | 5 | 5 | foo
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385 | 5 | 00385 | Fri Mar 27 00:00:00 1970 PST | Fri Mar 27 00:00:00 1970 | 5 | 5 | foo
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395 | 5 | 00395 | Mon Apr 06 00:00:00 1970 PST | Mon Apr 06 00:00:00 1970 | 5 | 5 | foo
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405 | 5 | 00405 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
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415 | 5 | 00415 | Fri Jan 16 00:00:00 1970 PST | Fri Jan 16 00:00:00 1970 | 5 | 5 | foo
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425 | 5 | 00425 | Mon Jan 26 00:00:00 1970 PST | Mon Jan 26 00:00:00 1970 | 5 | 5 | foo
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435 | 5 | 00435 | Thu Feb 05 00:00:00 1970 PST | Thu Feb 05 00:00:00 1970 | 5 | 5 | foo
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445 | 5 | 00445 | Sun Feb 15 00:00:00 1970 PST | Sun Feb 15 00:00:00 1970 | 5 | 5 | foo
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455 | 5 | 00455 | Wed Feb 25 00:00:00 1970 PST | Wed Feb 25 00:00:00 1970 | 5 | 5 | foo
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465 | 5 | 00465 | Sat Mar 07 00:00:00 1970 PST | Sat Mar 07 00:00:00 1970 | 5 | 5 | foo
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475 | 5 | 00475 | Tue Mar 17 00:00:00 1970 PST | Tue Mar 17 00:00:00 1970 | 5 | 5 | foo
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485 | 5 | 00485 | Fri Mar 27 00:00:00 1970 PST | Fri Mar 27 00:00:00 1970 | 5 | 5 | foo
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495 | 5 | 00495 | Mon Apr 06 00:00:00 1970 PST | Mon Apr 06 00:00:00 1970 | 5 | 5 | foo
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505 | 5 | 00505 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
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515 | 5 | 00515 | Fri Jan 16 00:00:00 1970 PST | Fri Jan 16 00:00:00 1970 | 5 | 5 | foo
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525 | 5 | 00525 | Mon Jan 26 00:00:00 1970 PST | Mon Jan 26 00:00:00 1970 | 5 | 5 | foo
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535 | 5 | 00535 | Thu Feb 05 00:00:00 1970 PST | Thu Feb 05 00:00:00 1970 | 5 | 5 | foo
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545 | 5 | 00545 | Sun Feb 15 00:00:00 1970 PST | Sun Feb 15 00:00:00 1970 | 5 | 5 | foo
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555 | 5 | 00555 | Wed Feb 25 00:00:00 1970 PST | Wed Feb 25 00:00:00 1970 | 5 | 5 | foo
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565 | 5 | 00565 | Sat Mar 07 00:00:00 1970 PST | Sat Mar 07 00:00:00 1970 | 5 | 5 | foo
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575 | 5 | 00575 | Tue Mar 17 00:00:00 1970 PST | Tue Mar 17 00:00:00 1970 | 5 | 5 | foo
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585 | 5 | 00585 | Fri Mar 27 00:00:00 1970 PST | Fri Mar 27 00:00:00 1970 | 5 | 5 | foo
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595 | 5 | 00595 | Mon Apr 06 00:00:00 1970 PST | Mon Apr 06 00:00:00 1970 | 5 | 5 | foo
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605 | 5 | 00605 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
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615 | 5 | 00615 | Fri Jan 16 00:00:00 1970 PST | Fri Jan 16 00:00:00 1970 | 5 | 5 | foo
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625 | 5 | 00625 | Mon Jan 26 00:00:00 1970 PST | Mon Jan 26 00:00:00 1970 | 5 | 5 | foo
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635 | 5 | 00635 | Thu Feb 05 00:00:00 1970 PST | Thu Feb 05 00:00:00 1970 | 5 | 5 | foo
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645 | 5 | 00645 | Sun Feb 15 00:00:00 1970 PST | Sun Feb 15 00:00:00 1970 | 5 | 5 | foo
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655 | 5 | 00655 | Wed Feb 25 00:00:00 1970 PST | Wed Feb 25 00:00:00 1970 | 5 | 5 | foo
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665 | 5 | 00665 | Sat Mar 07 00:00:00 1970 PST | Sat Mar 07 00:00:00 1970 | 5 | 5 | foo
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675 | 5 | 00675 | Tue Mar 17 00:00:00 1970 PST | Tue Mar 17 00:00:00 1970 | 5 | 5 | foo
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685 | 5 | 00685 | Fri Mar 27 00:00:00 1970 PST | Fri Mar 27 00:00:00 1970 | 5 | 5 | foo
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695 | 5 | 00695 | Mon Apr 06 00:00:00 1970 PST | Mon Apr 06 00:00:00 1970 | 5 | 5 | foo
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705 | 5 | 00705 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
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715 | 5 | 00715 | Fri Jan 16 00:00:00 1970 PST | Fri Jan 16 00:00:00 1970 | 5 | 5 | foo
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725 | 5 | 00725 | Mon Jan 26 00:00:00 1970 PST | Mon Jan 26 00:00:00 1970 | 5 | 5 | foo
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735 | 5 | 00735 | Thu Feb 05 00:00:00 1970 PST | Thu Feb 05 00:00:00 1970 | 5 | 5 | foo
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745 | 5 | 00745 | Sun Feb 15 00:00:00 1970 PST | Sun Feb 15 00:00:00 1970 | 5 | 5 | foo
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755 | 5 | 00755 | Wed Feb 25 00:00:00 1970 PST | Wed Feb 25 00:00:00 1970 | 5 | 5 | foo
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765 | 5 | 00765 | Sat Mar 07 00:00:00 1970 PST | Sat Mar 07 00:00:00 1970 | 5 | 5 | foo
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775 | 5 | 00775 | Tue Mar 17 00:00:00 1970 PST | Tue Mar 17 00:00:00 1970 | 5 | 5 | foo
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785 | 5 | 00785 | Fri Mar 27 00:00:00 1970 PST | Fri Mar 27 00:00:00 1970 | 5 | 5 | foo
|
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795 | 5 | 00795 | Mon Apr 06 00:00:00 1970 PST | Mon Apr 06 00:00:00 1970 | 5 | 5 | foo
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805 | 5 | 00805 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
|
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815 | 5 | 00815 | Fri Jan 16 00:00:00 1970 PST | Fri Jan 16 00:00:00 1970 | 5 | 5 | foo
|
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825 | 5 | 00825 | Mon Jan 26 00:00:00 1970 PST | Mon Jan 26 00:00:00 1970 | 5 | 5 | foo
|
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835 | 5 | 00835 | Thu Feb 05 00:00:00 1970 PST | Thu Feb 05 00:00:00 1970 | 5 | 5 | foo
|
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845 | 5 | 00845 | Sun Feb 15 00:00:00 1970 PST | Sun Feb 15 00:00:00 1970 | 5 | 5 | foo
|
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855 | 5 | 00855 | Wed Feb 25 00:00:00 1970 PST | Wed Feb 25 00:00:00 1970 | 5 | 5 | foo
|
||||
865 | 5 | 00865 | Sat Mar 07 00:00:00 1970 PST | Sat Mar 07 00:00:00 1970 | 5 | 5 | foo
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||||
875 | 5 | 00875 | Tue Mar 17 00:00:00 1970 PST | Tue Mar 17 00:00:00 1970 | 5 | 5 | foo
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885 | 5 | 00885 | Fri Mar 27 00:00:00 1970 PST | Fri Mar 27 00:00:00 1970 | 5 | 5 | foo
|
||||
895 | 5 | 00895 | Mon Apr 06 00:00:00 1970 PST | Mon Apr 06 00:00:00 1970 | 5 | 5 | foo
|
||||
905 | 5 | 00905 | Tue Jan 06 00:00:00 1970 PST | Tue Jan 06 00:00:00 1970 | 5 | 5 | foo
|
||||
915 | 5 | 00915 | Fri Jan 16 00:00:00 1970 PST | Fri Jan 16 00:00:00 1970 | 5 | 5 | foo
|
||||
925 | 5 | 00925 | Mon Jan 26 00:00:00 1970 PST | Mon Jan 26 00:00:00 1970 | 5 | 5 | foo
|
||||
935 | 5 | 00935 | Thu Feb 05 00:00:00 1970 PST | Thu Feb 05 00:00:00 1970 | 5 | 5 | foo
|
||||
945 | 5 | 00945 | Sun Feb 15 00:00:00 1970 PST | Sun Feb 15 00:00:00 1970 | 5 | 5 | foo
|
||||
955 | 5 | 00955 | Wed Feb 25 00:00:00 1970 PST | Wed Feb 25 00:00:00 1970 | 5 | 5 | foo
|
||||
965 | 5 | 00965 | Sat Mar 07 00:00:00 1970 PST | Sat Mar 07 00:00:00 1970 | 5 | 5 | foo
|
||||
975 | 5 | 00975 | Tue Mar 17 00:00:00 1970 PST | Tue Mar 17 00:00:00 1970 | 5 | 5 | foo
|
||||
985 | 5 | 00985 | Fri Mar 27 00:00:00 1970 PST | Fri Mar 27 00:00:00 1970 | 5 | 5 | foo
|
||||
995 | 5 | 00995 | Mon Apr 06 00:00:00 1970 PST | Mon Apr 06 00:00:00 1970 | 5 | 5 | foo
|
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1005 | 105 | 0000500005 | | | | ft2 |
|
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1015 | 105 | 0001500015 | | | | ft2 |
|
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1105 | 205 | eee | | | | ft2 |
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EXPLAIN (verbose, costs off)
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DELETE FROM ft2 WHERE c1 % 10 = 5 RETURNING c1, c4;
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QUERY PLAN
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----------------------------------------------------------------------------------------
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Delete on public.ft2
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Output: c1, c4
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Remote SQL: DELETE FROM "S 1"."T 1" WHERE ctid = $1 RETURNING "C 1", c4
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-> Foreign Scan on public.ft2
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Output: ctid
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Remote SQL: SELECT ctid FROM "S 1"."T 1" WHERE ((("C 1" % 10) = 5)) FOR UPDATE
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(6 rows)
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DELETE FROM ft2 WHERE c1 % 10 = 5 RETURNING c1, c4;
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c1 | c4
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------+------------------------------
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5 | Tue Jan 06 00:00:00 1970 PST
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15 | Fri Jan 16 00:00:00 1970 PST
|
||||
25 | Mon Jan 26 00:00:00 1970 PST
|
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35 | Thu Feb 05 00:00:00 1970 PST
|
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45 | Sun Feb 15 00:00:00 1970 PST
|
||||
55 | Wed Feb 25 00:00:00 1970 PST
|
||||
65 | Sat Mar 07 00:00:00 1970 PST
|
||||
75 | Tue Mar 17 00:00:00 1970 PST
|
||||
85 | Fri Mar 27 00:00:00 1970 PST
|
||||
95 | Mon Apr 06 00:00:00 1970 PST
|
||||
105 | Tue Jan 06 00:00:00 1970 PST
|
||||
115 | Fri Jan 16 00:00:00 1970 PST
|
||||
125 | Mon Jan 26 00:00:00 1970 PST
|
||||
135 | Thu Feb 05 00:00:00 1970 PST
|
||||
145 | Sun Feb 15 00:00:00 1970 PST
|
||||
155 | Wed Feb 25 00:00:00 1970 PST
|
||||
165 | Sat Mar 07 00:00:00 1970 PST
|
||||
175 | Tue Mar 17 00:00:00 1970 PST
|
||||
185 | Fri Mar 27 00:00:00 1970 PST
|
||||
195 | Mon Apr 06 00:00:00 1970 PST
|
||||
205 | Tue Jan 06 00:00:00 1970 PST
|
||||
215 | Fri Jan 16 00:00:00 1970 PST
|
||||
225 | Mon Jan 26 00:00:00 1970 PST
|
||||
235 | Thu Feb 05 00:00:00 1970 PST
|
||||
245 | Sun Feb 15 00:00:00 1970 PST
|
||||
255 | Wed Feb 25 00:00:00 1970 PST
|
||||
265 | Sat Mar 07 00:00:00 1970 PST
|
||||
275 | Tue Mar 17 00:00:00 1970 PST
|
||||
285 | Fri Mar 27 00:00:00 1970 PST
|
||||
295 | Mon Apr 06 00:00:00 1970 PST
|
||||
305 | Tue Jan 06 00:00:00 1970 PST
|
||||
315 | Fri Jan 16 00:00:00 1970 PST
|
||||
325 | Mon Jan 26 00:00:00 1970 PST
|
||||
335 | Thu Feb 05 00:00:00 1970 PST
|
||||
345 | Sun Feb 15 00:00:00 1970 PST
|
||||
355 | Wed Feb 25 00:00:00 1970 PST
|
||||
365 | Sat Mar 07 00:00:00 1970 PST
|
||||
375 | Tue Mar 17 00:00:00 1970 PST
|
||||
385 | Fri Mar 27 00:00:00 1970 PST
|
||||
395 | Mon Apr 06 00:00:00 1970 PST
|
||||
405 | Tue Jan 06 00:00:00 1970 PST
|
||||
415 | Fri Jan 16 00:00:00 1970 PST
|
||||
425 | Mon Jan 26 00:00:00 1970 PST
|
||||
435 | Thu Feb 05 00:00:00 1970 PST
|
||||
445 | Sun Feb 15 00:00:00 1970 PST
|
||||
455 | Wed Feb 25 00:00:00 1970 PST
|
||||
465 | Sat Mar 07 00:00:00 1970 PST
|
||||
475 | Tue Mar 17 00:00:00 1970 PST
|
||||
485 | Fri Mar 27 00:00:00 1970 PST
|
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495 | Mon Apr 06 00:00:00 1970 PST
|
||||
505 | Tue Jan 06 00:00:00 1970 PST
|
||||
515 | Fri Jan 16 00:00:00 1970 PST
|
||||
525 | Mon Jan 26 00:00:00 1970 PST
|
||||
535 | Thu Feb 05 00:00:00 1970 PST
|
||||
545 | Sun Feb 15 00:00:00 1970 PST
|
||||
555 | Wed Feb 25 00:00:00 1970 PST
|
||||
565 | Sat Mar 07 00:00:00 1970 PST
|
||||
575 | Tue Mar 17 00:00:00 1970 PST
|
||||
585 | Fri Mar 27 00:00:00 1970 PST
|
||||
595 | Mon Apr 06 00:00:00 1970 PST
|
||||
605 | Tue Jan 06 00:00:00 1970 PST
|
||||
615 | Fri Jan 16 00:00:00 1970 PST
|
||||
625 | Mon Jan 26 00:00:00 1970 PST
|
||||
635 | Thu Feb 05 00:00:00 1970 PST
|
||||
645 | Sun Feb 15 00:00:00 1970 PST
|
||||
655 | Wed Feb 25 00:00:00 1970 PST
|
||||
665 | Sat Mar 07 00:00:00 1970 PST
|
||||
675 | Tue Mar 17 00:00:00 1970 PST
|
||||
685 | Fri Mar 27 00:00:00 1970 PST
|
||||
695 | Mon Apr 06 00:00:00 1970 PST
|
||||
705 | Tue Jan 06 00:00:00 1970 PST
|
||||
715 | Fri Jan 16 00:00:00 1970 PST
|
||||
725 | Mon Jan 26 00:00:00 1970 PST
|
||||
735 | Thu Feb 05 00:00:00 1970 PST
|
||||
745 | Sun Feb 15 00:00:00 1970 PST
|
||||
755 | Wed Feb 25 00:00:00 1970 PST
|
||||
765 | Sat Mar 07 00:00:00 1970 PST
|
||||
775 | Tue Mar 17 00:00:00 1970 PST
|
||||
785 | Fri Mar 27 00:00:00 1970 PST
|
||||
795 | Mon Apr 06 00:00:00 1970 PST
|
||||
805 | Tue Jan 06 00:00:00 1970 PST
|
||||
815 | Fri Jan 16 00:00:00 1970 PST
|
||||
825 | Mon Jan 26 00:00:00 1970 PST
|
||||
835 | Thu Feb 05 00:00:00 1970 PST
|
||||
845 | Sun Feb 15 00:00:00 1970 PST
|
||||
855 | Wed Feb 25 00:00:00 1970 PST
|
||||
865 | Sat Mar 07 00:00:00 1970 PST
|
||||
875 | Tue Mar 17 00:00:00 1970 PST
|
||||
885 | Fri Mar 27 00:00:00 1970 PST
|
||||
895 | Mon Apr 06 00:00:00 1970 PST
|
||||
905 | Tue Jan 06 00:00:00 1970 PST
|
||||
915 | Fri Jan 16 00:00:00 1970 PST
|
||||
925 | Mon Jan 26 00:00:00 1970 PST
|
||||
935 | Thu Feb 05 00:00:00 1970 PST
|
||||
945 | Sun Feb 15 00:00:00 1970 PST
|
||||
955 | Wed Feb 25 00:00:00 1970 PST
|
||||
965 | Sat Mar 07 00:00:00 1970 PST
|
||||
975 | Tue Mar 17 00:00:00 1970 PST
|
||||
985 | Fri Mar 27 00:00:00 1970 PST
|
||||
995 | Mon Apr 06 00:00:00 1970 PST
|
||||
1005 |
|
||||
1015 |
|
||||
1105 |
|
||||
(103 rows)
|
||||
|
||||
EXPLAIN (verbose, costs off)
|
||||
@ -1097,7 +1109,7 @@ DELETE FROM ft2 USING ft1 WHERE ft1.c1 = ft2.c2 AND ft1.c1 % 10 = 2;
|
||||
Hash Cond: (ft2.c2 = ft1.c1)
|
||||
-> Foreign Scan on public.ft2
|
||||
Output: ft2.ctid, ft2.c2
|
||||
Remote SQL: SELECT NULL, c2, NULL, NULL, NULL, NULL, NULL, NULL, ctid FROM "S 1"."T 1" FOR UPDATE
|
||||
Remote SQL: SELECT c2, ctid FROM "S 1"."T 1" FOR UPDATE
|
||||
-> Hash
|
||||
Output: ft1.*, ft1.c1
|
||||
-> Foreign Scan on public.ft1
|
||||
|
||||
Reference in New Issue
Block a user