Todd Reed ([EMAIL PROTECTED]) reports a bug with a severity of 3
The lower the number the more severe it is.

Short Description
CREATE TABLE AS ignores explicit column names with UNION

Long Description
CREATE TABLE AS ignores explicitly specified column names when the query contains a 
UNION.  This is illustrated in the example below.

I am using 7.2.1 on RedHat Linux 7.2.

Sample Code
template1=# create table foo (
template1(#     x       int,
template1(#     y       int,
template1(#     z       int
template1(# );
CREATE
template1=# create table bar (
template1(#     a       int,
template1(#     b       int,
template1(#     c       int
template1(# );
CREATE
template1=# create table snafu (s, u, t) as
template1-# select x, y, z from foo union select a, b, c from bar;
SELECT
template1=# create table spam (s, u, t) as
template1-# select x, y, z from foo;
SELECT
template1=# select * from snafu;
 x | y | z
---+---+---
(0 rows)


template1=# select * from spam;
 s | u | t
---+---+---
(0 rows)

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