hey thank you!!
could you provide some more detail information?? What function should I use to get FormData_pg_type structure?? thanks a lot ------------------ Original message ------------------ From: "Laurenz Albe"; Sendtime: Monday, May 14, 2018 4:11 PM To: "a"<372660...@qq.com>; "pgsql-general"; Subject: Re: How can I retrieve attribute category with attribute Oid in Cfunction? a wrote: > Hi I am writing something that would need to identify the attribute category > inside a C function, > now I may need a way of fast access it, but the information is not stored in > FormData_pg_attribute structure. Are you talking about pg_type.typcategory? That is accessible from FormData_pg_type. You'd have to look up atttypid in the TYPEOID cache. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com
