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Diffstat (limited to 'src/test/regress/sql/subselect.sql')
| -rw-r--r-- | src/test/regress/sql/subselect.sql | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/test/regress/sql/subselect.sql b/src/test/regress/sql/subselect.sql index 8ca7a3bd2fb..33b894c2b5e 100644 --- a/src/test/regress/sql/subselect.sql +++ b/src/test/regress/sql/subselect.sql @@ -389,3 +389,10 @@ where a.thousand = b.thousand and exists ( select 1 from tenk1 c where b.hundred = c.hundred and not exists ( select 1 from tenk1 d where a.thousand = d.thousand ) ); + +-- +-- Check sane behavior with nested IN SubLinks +-- +select * from int4_tbl where + (case when f1 in (select unique1 from tenk1 a) then f1 else null end) in + (select ten from tenk1 b); |