Re: Perl won't eval PgSQL boolean value
От | Andrew Snow |
---|---|
Тема | Re: Perl won't eval PgSQL boolean value |
Дата | |
Msg-id | 000601c1349a$c7e11730$fa01b5ca@avon обсуждение исходный текст |
Ответ на | Perl won't eval PgSQL boolean value (Randall Perry <rgp@systame.com>) |
Список | pgsql-general |
When comparing strings in perl you usually use the eq operator, not == e.g. if($cust_data->{hold} eq 't') - Andrew > -----Original Message----- > From: pgsql-general-owner@postgresql.org > [mailto:pgsql-general-owner@postgresql.org] On Behalf Of Randall Perry > Sent: Monday, 3 September 2001 10:01 AM > To: pgsql-general@postgresql.org > Subject: [GENERAL] Perl won't eval PgSQL boolean value > > > I've got an if statement that checks if a boolean value is true: > > if ($cust_data->{'hold'} eq 't') > > But perl will not evaluate the value. $cust_data->{'hold'} is > taken from a PgSQL boolean field (either t or f). If I use > the construct above it tell me that 'eq' is not defined > thinking it's a string. > > If I use: > if ($cust_data->{'hold'} == 't') > > I get an error saying $cust_data->{'hold'} is a non-numeric value. > > If I do this: > if ($cust_data->{'hold'}) > > it will always evaluate to true whether the value is 't' or 'f'. > > > HELP. How do you evaluate boolean values from PgSQL in Perl? > > > -- > Randy Perry > sysTame > Mac Consulting/Sales > > phn 561.589.6449 > mobile email help@systame.com > > > > > ---------------------------(end of > broadcast)--------------------------- > TIP 4: Don't 'kill -9' the postmaster >
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