pg_extprotocol

System table pg_extprotocol stores information about external protocol in OushuDB.

Table 1.pg_catalog.pg_extprotocol

Column	Type	references	description
ptcname	name
ptcreadfn	oid	pg_proc.oid
ptcwritefn	oid	pg_proc.oid
ptcvalidatorfn	oid	pg_proc.oid
ptcowner	oid
ptctrusted	bool
ptcacl	aclitem[]