Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> Andrew Sullivan wrote:
>> I expect that your problem is that 8.1 allowed some characters in that
>> you didn't want. You probably need to use iconv to change those
>> characters to whatever are actually valid.
> \x09 is a tab. I think this behavior was changed in 8.3.something (made
> it display as actual tabs instead of escaping them)
Note that that's a psql behavior not a backend behavior. I wonder if
the OP updated his server but is still using 8.3.early psql.
regards, tom lane