Tom Lane 5ec6b7f1b8 Improve generated column names for cases involving sub-SELECTs.
We'll now use "exists" for EXISTS(SELECT ...), "array" for ARRAY(SELECT
...), or the sub-select's own result column name for a simple expression
sub-select.  Previously, you usually got "?column?" in such cases.

Marti Raudsepp, reviewed by Kyotaro Horiugchi
2011-10-01 14:01:46 -04:00
..
2011-06-11 17:46:49 -04:00
2011-03-28 22:56:52 +03:00
2008-08-21 20:15:31 +00:00