"t.katsumata1122@gmail.com" <t.katsumata1122@gmail.com> wrote:
> I'm testing the Materialized View.
> When I've tried to create materialized view with specified
> column_name, I got an ERROR.
>
> example:
> - Creating original table
> CREATE TABLE t ( i int );
>
> - 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"
> ----
>
> I did not get any ERROR with non materialized view.
> CREATE VIEW mv_t(ii) AS SELECT * FROM t;
>
> Is this a bug or restriction for Materialized View?
It's a bug. Will fix in the next 9.3 minor release.
Moving the discussion to the -hackers list to discuss the fix.
This bug was introduced in fb60e7296c2cf15195802b4596496b179bdc905a
based on this feedback:
http://www.postgresql.org/message-id/20600.1363022702@sss.pgh.pa.us
I picked the wrong response to that feedback. Attached is a patch
which fixes things along the alternative lines suggested. This
includes a regression test to ensure that this doesn't get broken
again.
If there are no objections I'll apply this within a few days.
--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
