Tom Lane wrote:
> Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
>> I think all you need to do it this:
>> Take the code for boolout() in src/backend/utils/adt/bool.c, adjust it
>> and and make it a new function boolout2. Use pgxs to make it a loadable
>> Then load it and adjust the catalog entry for the bool type to use
>> boolout2 instead of boolout.
> Then start fixing pg_dump, psql, and every other bit of client-side code
> that expects the boolean columns in the system catalogs to read out as
> 't'/'f' ...
hmm, good point. Oh, well.
> I think you'd really need a separate type. But have you considered
> something simple like
> CREATE DOMAIN boolint AS int CHECK (value = 0 OR value = 1)
Of course, that's not exactly what he asked for. Maybe we need to know
more about the case.
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