Re: Looking for "proper" escape string syntax from pg_get_constraintdef

Marc Munro <marc@bloodnok.com> writes:
> but retrieving the constraint definition using pg_get_constraintdef(oid)
> gives me this:

>   CHECK (((VALUE ~ '^\\d{4}$'::text) OR (VALUE ~ '^\\d{5}-\\d{4}$'::text)))

> How can I get the constraint definition with proper escaping from the
> catalog?  Is there another function I should be using?

pg_dump just turns off that warning.  The string is correct for the
prevailing value of standard_conforming_strings; the warning is useless
noise as long as you're careful about maintaining that setting.

            regards, tom lane