"Christopher Kings-Lynne" <[EMAIL PROTECTED]> writes:
> Try:  SELECT oid FROM pg_type WHERE typname='text';

Another possibility (as of 7.3) is

regression=# select 'int4'::regtype::oid;
 oid
-----
  23
(1 row)

The regtype converter has the advantage that it will recognize any
typename construct understood by the parser, for example

regression=# select 'character varying'::regtype::oid;
 oid
------
 1043
(1 row)

Also, regtype will do the right thing in the presence of schema-related
ambiguities (eg, 'a.foo' and 'b.foo' may both exist in the catalog,
but if only b is in your search path, 'foo' should mean 'b.foo').

                        regards, tom lane

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