Boolean values fetched into a perl scalar are always going to be one of
these three values:
1 if Pg says 't'
0 if Pg says 'f'
undef if Pg says null (note that null is NOT false)
--rob
----- Original Message -----
From: "Mithun Bhattacharya" <mithun.b@egurucool.com>
To: "PostgreSQL general" <pgsql-general@postgresql.org>
Sent: Friday, July 06, 2001 10:25 AM
Subject: Another DBD::Pg question
> This time perldoc DBD::Pg says :
> ----------------
> Data-Type bool
>
> The current implementation of PostgreSQL returns 't' for
> true and 'f' for false. From the perl point of view a
> rather unfortunate choice. The DBD-Pg module translates
> the result for the data-type bool in a perl-ish like
> manner: 'f' -> '0' and 't' -> '1'. This way the
> application does not have to check the database-specific
> returned values for the data-type bool, because perl
> treats '0' as false and '1' as true.
>
> PostgreSQL Version 6.2 considers the input 't' as true and
> anything else as false. PostgreSQL Version 6.3 considers
> the input 't', '1' and 1 as true and anything else as
> false. PostgreSQL Version 6.4 considers the input 't',
> '1' and 'y' as true and any other character as false.
> ----------------
>
> Anyone using DBD::PG version 1.00 with PostGreSQL version 7.1.2 ?? If so
> whats the interpretation of true in that.. The Author doesnt say what
> his current implementation is.
>
>
>
> Mithun
>
