/*
* call-seq:
* conn.protocol_version -> Integer
*
* The 3.0 protocol will normally be used when communicating with PostgreSQL 7.4
* or later servers; pre-7.4 servers support only protocol 2.0. (Protocol 1.0 is
* obsolete and not supported by libpq.)
*/
static VALUE
pgconn_protocol_version(VALUE self)
{
return INT2NUM(PQprotocolVersion(get_pgconn(self)));
}