Method _add_custom_codec

tests/test_introspection.py:56–64

(self, conn)

        self.loop.run_until_complete(self._add_custom_codec(self.con))

    async def _add_custom_codec(self, conn):
        # mess up with the codec - builtin introspection shouldn't be affected
        await conn.set_type_codec(
            "oid",
            schema="pg_catalog",
            encoder=lambda value: None,
            decoder=lambda value: None,
            format="text",
        )

    @tb.with_connection_options(database='asyncpg_intro_test')
    async def test_introspection_on_large_db(self):