Re: BUG #8542: Materialized View with another column_name does not work?

On Mon, Oct 21, 2013 at 6:41 PM,  <t.katsumata1122@gmail.com> wrote:
> - Creating materialized view with column_name
> CREATE MATERIALIZED VIEW mv_t(ii) AS SELECT * FROM t;
> And then, I got a bellow ERROR.
> ----
> ERROR:  SELECT rule's target entry 1 has different column name from "ii"
> Is this a bug or restriction for Materialized View?
Looks like a bug as documentation is clear here: "If column names are
not provided, they are taken from the output column names of the
query".
http://www.postgresql.org/docs/9.3/static/sql-creatematerializedview.html
In your case you are providing the column names, so they should be
used for this matview.

Regards,
--
Michael