Entities created in one query not available in another in extended protocol

In Npgsql, the .NET driver for PostgreSQL, we've switched from simple to
extended protocol and have received a user complaint.

It appears that when we send two messages in an extended protocol (so two
Parse/Bind/Execute followed by a single Sync), where the first one creates
some entity (function, table), and the second one can't query that entity
(not found). This isn't terribly important but does seem a bit odd, I
wanted to make sure you're aware of this.

Thanks,

Shay