diff options
Diffstat (limited to 'contrib/postgres_fdw/expected')
| -rw-r--r-- | contrib/postgres_fdw/expected/postgres_fdw.out | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/contrib/postgres_fdw/expected/postgres_fdw.out b/contrib/postgres_fdw/expected/postgres_fdw.out index 698aa8fb724..1de0bc4796c 100644 --- a/contrib/postgres_fdw/expected/postgres_fdw.out +++ b/contrib/postgres_fdw/expected/postgres_fdw.out @@ -478,6 +478,74 @@ SELECT t1."C 1" FROM "S 1"."T 1" t1 left join ft1 t2 join ft2 t3 on (t2.c1 = t3. 110 (10 rows) +-- Test similar to above, except that the full join prevents any equivalence +-- classes from being merged. This produces single relation equivalence classes +-- included in join restrictions. +EXPLAIN (COSTS false, VERBOSE) + SELECT t1."C 1", t2.c1, t3.c1 FROM "S 1"."T 1" t1 left join ft1 t2 full join ft2 t3 on (t2.c1 = t3.c1) on (t3.c1 = t1."C 1") OFFSET 100 LIMIT 10; + QUERY PLAN +------------------------------------------------------------------------------------------------------------------------------------------------------------------ + Limit + Output: t1."C 1", t2.c1, t3.c1 + -> Merge Right Join + Output: t1."C 1", t2.c1, t3.c1 + Merge Cond: (t3.c1 = t1."C 1") + -> Foreign Scan + Output: t3.c1, t2.c1 + Relations: (public.ft2 t3) LEFT JOIN (public.ft1 t2) + Remote SQL: SELECT r3."C 1", r2."C 1" FROM ("S 1"."T 1" r3 LEFT JOIN "S 1"."T 1" r2 ON (((r2."C 1" = r3."C 1")))) ORDER BY r3."C 1" ASC NULLS LAST + -> Index Only Scan using t1_pkey on "S 1"."T 1" t1 + Output: t1."C 1" +(11 rows) + +SELECT t1."C 1", t2.c1, t3.c1 FROM "S 1"."T 1" t1 left join ft1 t2 full join ft2 t3 on (t2.c1 = t3.c1) on (t3.c1 = t1."C 1") OFFSET 100 LIMIT 10; + C 1 | c1 | c1 +-----+-----+----- + 101 | 101 | 101 + 102 | 102 | 102 + 103 | 103 | 103 + 104 | 104 | 104 + 105 | 105 | 105 + 106 | 106 | 106 + 107 | 107 | 107 + 108 | 108 | 108 + 109 | 109 | 109 + 110 | 110 | 110 +(10 rows) + +-- Test similar to above with all full outer joins +EXPLAIN (COSTS false, VERBOSE) + SELECT t1."C 1", t2.c1, t3.c1 FROM "S 1"."T 1" t1 full join ft1 t2 full join ft2 t3 on (t2.c1 = t3.c1) on (t3.c1 = t1."C 1") OFFSET 100 LIMIT 10; + QUERY PLAN +------------------------------------------------------------------------------------------------------------------------------------------------------------------ + Limit + Output: t1."C 1", t2.c1, t3.c1 + -> Merge Full Join + Output: t1."C 1", t2.c1, t3.c1 + Merge Cond: (t3.c1 = t1."C 1") + -> Foreign Scan + Output: t2.c1, t3.c1 + Relations: (public.ft1 t2) FULL JOIN (public.ft2 t3) + Remote SQL: SELECT r2."C 1", r3."C 1" FROM ("S 1"."T 1" r2 FULL JOIN "S 1"."T 1" r3 ON (((r2."C 1" = r3."C 1")))) ORDER BY r3."C 1" ASC NULLS LAST + -> Index Only Scan using t1_pkey on "S 1"."T 1" t1 + Output: t1."C 1" +(11 rows) + +SELECT t1."C 1", t2.c1, t3.c1 FROM "S 1"."T 1" t1 full join ft1 t2 full join ft2 t3 on (t2.c1 = t3.c1) on (t3.c1 = t1."C 1") OFFSET 100 LIMIT 10; + C 1 | c1 | c1 +-----+-----+----- + 101 | 101 | 101 + 102 | 102 | 102 + 103 | 103 | 103 + 104 | 104 | 104 + 105 | 105 | 105 + 106 | 106 | 106 + 107 | 107 | 107 + 108 | 108 | 108 + 109 | 109 | 109 + 110 | 110 | 110 +(10 rows) + RESET enable_hashjoin; RESET enable_nestloop; -- =================================================================== |