Try with TIMESTAMP literal. Like this:
create materialized view mv_test
enable query rewrite
as
select * from birthdays
where birth= timestamp '1971-05-03 09:00:00 PM' at
time zone 'Europe/London';
Regards.
- elain he <elainhe_at_hotmail.com> wrote:
> Hi,
> Does anyone know how can I create a materialized
> view for query rewrite on
> the following query:
>
> select distinct parttable
> from
> emp where exists (select * from addr where
> ((addr.zip=24811)
> and emp.timestamp='11/23/2001') and emp.id=addr.id
> and emp.sn=addr.sn) order by emp.parttable;
>
> I tried creating a materialized view but it errored
> out on the
> emp.timestamp='11/23/2001'.
>
> ORA-30353: expression not supported for query
> rewrite
>
> I created another materialized view without the
> 'timestamp' and it got
> created fine. ie
> select distinct parttable
> from
> emp where exists (select * from addr where
> ((addr.zip=24811))
> and emp.id=addr.id
> and emp.sn=addr.sn) order by emp.parttable;
>
> Now, when I try running the query below, Oracle does
> not do a query rewrite
> but when I ran the query without referencing
> 'timestamp', Oracle uses the
> materialized view.
>
> The query below needs to reference the timestamp.
> How can I create the
> materialized view to enable Oracle to utilize the
> materialized view whenever
> the below query is ran?
>
> select distinct parttable
> from
> emp where exists (select * from addr where
> ((addr.zip=24811)
> and emp.timestamp='11/23/2001') and emp.id=addr.id
> and emp.sn=addr.sn) order by emp.parttable;
>
> thanks in advance for any assistance you can
> provide.
> elain
>
>
>
> Get your FREE download of MSN Explorer at
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>
> --
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> --
> Author: elain he
> INET: elainhe_at_hotmail.com
>
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ENG. Christian Trassens
Senior DBA
ctrassens_at_yahoo.com
christian_trassens_at_yahoo.es
Phone : +34-699240979
+34-649824704
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--
Author: Christian Trassens
INET: ctrassens_at_yahoo.com
Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
San Diego, California -- Public Internet access / Mailing Lists
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Received on Tue Dec 11 2001 - 09:29:56 CST
