On Tue, Aug 14, 2018 at 10:04 PM, 王翔宇 <wxyucs@gmail.com> wrote:
> Yes, I had read this document, BUT it's call from PL/PGSQL. I want call it
> from c function.
You could look up the OID using e.g. LookupFuncWithArgs and then call
it using one of the OidFunctionCall macros, but it might be a bit
awkward. Perhaps it would be better to look at the C code inside that
function and use some of that same logic directly from your C code.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
