Denis Feklushkin <denis(dot)feklushkin(at)gmail(dot)com> writes:
> in 9.2.0:
> PQsendQueryParams() with multiple command statement (like "select 123;
> select 456") unexpectedly causes error:
> "cannot insert multiple commands into a prepared statement."
This is not a bug, it's intentional (and documented) behavior.
regards, tom lane