Re: determining a type oid from the name

On 02/22/2012 01:36 PM, Thom Brown wrote:
> On 22 February 2012 18:34, Kevin Grittner<Kevin(dot)Grittner(at)wicourts(dot)gov> wrote:
>> Thom Brown<thom(at)linux(dot)com> wrote:
>>> Does this help?
>>>
>>> test=# SELECT pg_typeof('4834.34'::numeric)::oid;
>>> pg_typeof
>>> -----------
>>> 1700
>>> (1 row)
>> Wouldn't it be easier to do this instead?
>>
>> test=# SELECT 'numeric'::regtype::oid;
>> oid
>> ------
>> 1700
>> (1 row)
> Well I may have misread the problem. I thought it was that for a
> particular data value, the oid of the type of that value was needed.

Maybe I need to be more clear. The C code I'm writing will process
composites. I want to cache the Oids of certain non-builtin types in the
function info's fn_extra, and then be able to test whether or not the
fields in the composites are of those types.

cheers

andrew