Alexandr Popov <alexandr.popov@nexui.md> writes:
> CREATE OR REPLACE VIEW v1 AS SELECT DISTINCT a,b, -1 AS d, -1 AS e FROM t1;
> After this i dump database with pg_dump and have following output.
> CREATE VIEW v1 AS
> SELECT DISTINCT t1.a, t1.b, -1 AS d, -1 AS e FROM t1 ORDER BY t1.a, t1.b, -1::integer, -1::integer;
Sigh ... this is a bug in my patch of a few months ago:
http://archives.postgresql.org/pgsql-committers/2008-01/msg00081.php
It needs to be parenthesizing those constants, because as-is the ::
binds more tightly than the -, and "-(1::integer)" is a run-time
negation, not a simple constant.
regards, tom lane