Re: BUG #18775: PQgetCopyData always has an out-of-memory error if the table field stores bytea ~700 MB

PG Bug reporting form <noreply@postgresql.org> writes:
> Hello, I need your help. The essence of the problem is that I am trying to
> download a bytea field from a table row. The size of the data in the field
> is about 700 MB. In response, I receive an out-of-memory error.

I don't see this as a Postgres bug.  If you want to work with values
that large, you'd better have plenty of memory available.

            regards, tom lane