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Diffstat (limited to 'src/test/regress/sql/join.sql')
| -rw-r--r-- | src/test/regress/sql/join.sql | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/test/regress/sql/join.sql b/src/test/regress/sql/join.sql index 4fc8fd50cd5..a36e29f462e 100644 --- a/src/test/regress/sql/join.sql +++ b/src/test/regress/sql/join.sql @@ -1856,3 +1856,11 @@ reset enable_sort; drop table j1; drop table j2; drop table j3; + +-- check that semijoin inner is not seen as unique for a portion of the outerrel +explain (verbose, costs off) +select t1.unique1, t2.hundred +from onek t1, tenk1 t2 +where exists (select 1 from tenk1 t3 + where t3.thousand = t1.unique1 and t3.tenthous = t2.hundred) + and t1.unique1 < 1; |