On Thu, Jul 13, 2017 at 11:06 AM, Igor Korot <ikoro...@gmail.com> wrote:
> Hi, Melvin, > > On Thu, Jul 13, 2017 at 10:42 AM, Melvin Davidson <melvin6...@gmail.com> > wrote: > >> >> On Thu, Jul 13, 2017 at 10:36 AM, Igor Korot <ikoro...@gmail.com> wrote: >> >>> Hi, ALL, >>> Is it possible to get the table ID (or OID) from information_schema >>> somewhere? >>> >>> Thank you. >>> >>> >>> -- >>> Sent via pgsql-general mailing list (pgsql-general@postgresql.org) >>> To make changes to your subscription: >>> http://www.postgresql.org/mailpref/pgsql-general >>> >> >> 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>;* *It will work just fine! 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.
