diff options
Diffstat (limited to 'src/test/regress/expected/join.out')
| -rw-r--r-- | src/test/regress/expected/join.out | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/regress/expected/join.out b/src/test/regress/expected/join.out index e4f3f22e0b9..ed9ad0e135d 100644 --- a/src/test/regress/expected/join.out +++ b/src/test/regress/expected/join.out @@ -2284,6 +2284,48 @@ WHERE d.f1 IS NULL; (3 rows) -- +-- regression test for proper handling of outer joins within antijoins +-- +create temp table tt4x(c1 int, c2 int, c3 int); +explain (costs off) +select * from tt4x t1 +where not exists ( + select 1 from tt4x t2 + left join tt4x t3 on t2.c3 = t3.c1 + left join ( select t5.c1 as c1 + from tt4x t4 left join tt4x t5 on t4.c2 = t5.c1 + ) a1 on t3.c2 = a1.c1 + where t1.c1 = t2.c2 +); + QUERY PLAN +--------------------------------------------------------- + Hash Anti Join + Hash Cond: (t1.c1 = t2.c2) + -> Seq Scan on tt4x t1 + -> Hash + -> Merge Right Join + Merge Cond: (t5.c1 = t3.c2) + -> Merge Join + Merge Cond: (t4.c2 = t5.c1) + -> Sort + Sort Key: t4.c2 + -> Seq Scan on tt4x t4 + -> Sort + Sort Key: t5.c1 + -> Seq Scan on tt4x t5 + -> Sort + Sort Key: t3.c2 + -> Merge Left Join + Merge Cond: (t2.c3 = t3.c1) + -> Sort + Sort Key: t2.c3 + -> Seq Scan on tt4x t2 + -> Sort + Sort Key: t3.c1 + -> Seq Scan on tt4x t3 +(24 rows) + +-- -- regression test for problems of the sort depicted in bug #3494 -- create temp table tt5(f1 int, f2 int); |