Re: [GENERAL] Get table OID
On Thu, Jul 13, 2017 at 11:06 AM, Igor Korot <ikorot01@gmail.com> wrote:
Hi, Melvin,On Thu, Jul 13, 2017 at 10:42 AM, Melvin Davidson <melvin6925@gmail.com> wrote:On Thu, Jul 13, 2017 at 10:36 AM, Igor Korot <ikorot01@gmail.com> wrote:Hi, ALL,
Is it possible to get the table ID (or OID) from information_schema somewhere?
Thank you.
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It 's in pg_class!
https://www.postgresql.org/docs/9.4/static/catalog-pg-class. html But pg_class is in postgres database.Can I do something like this:SELECT oid FROM postgres.pg_class WHERE relname = <my_table_name>;Or I will have to connect to postgres database?Thank you.IOW:
SELECT relname, oid FROM pg_class WHERE relkind = 'r' ORDER BY 1;
--Melvin Davidson
I reserve the right to fantasize. Whether or not you
wish to share my fantasy is entirely up to you.
Igor,
You do not need to specify "postgres" schema (postgres.pg_class). That is wrong anyway.FYI, the correct schema is pg_catalog, but All postgres CATALOGS are always available regardless of which database you are connected to.
and it is in the default search path, so you do not have to specify it.
Just do:
SELECT oid
FROM pg_class
WHERE relname = <my_table_name>;
SELECT oid
FROM pg_class
WHERE relname = <my_table_name>;
It will work just fine!
I highly encourage you to RTFM.
I highly encourage you to RTFM.
--
Melvin Davidson
I reserve the right to fantasize. Whether or not you
wish to share my fantasy is entirely up to you.
I reserve the right to fantasize. Whether or not you
wish to share my fantasy is entirely up to you.
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