Re: Prepared SQL name collision. The name implicitly is truncated by NAMEDATALEN

Alexey Kachalin <kachalin.alexey@gmail.com> writes:
> Prepared SQL name collision.  The name implicitly is truncated by
> NAMEDATALEN

This is not a bug.  You exceeded a well-documented implementation
limit, and the response is as documented.

> Is it possible to know which value was used at compilation time from
> application code?

You can do

=# show max_identifier_length;
 max_identifier_length 
-----------------------
 63
(1 row)

or various equivalent ways of inspecting that parameter.

            regards, tom lane