Re: How can I retrieve attribute category with attribute Oid inCfunction?

a wrote:

> could you provide some more detail information??
> 
> What function should I use to get FormData_pg_type structure??
> 
> BTW, I searched another function called "lookup_type_cache", which will return a pointer of structure of
"TypeCacheEntry".
> 
> The structure contains "TypeCacheEntry.typtype" that may also help to
identify the type.
> 
> But I'm concerning about possible memory leak and allocation stuff. Is it safe to just declare a pointer and call
thisfunction??
 

In "logicalrep_write_typ" in src/backend/replication/logical/proto.c
you can find an example how to get the pg_type values from the OID.

Yours,
Laurenz Albe
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