DB-Object
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}
# But Storable wants a list with the first element being the serialised element
CORE::return( $class, $hash );
}
sub STORABLE_freeze { return( shift->FREEZE( @_ ) ); }
sub STORABLE_thaw { return( shift->THAW( @_ ) ); }
sub STORABLE_thaw_post_processing
{
my $obj = shift( @_ );
my @keys = %$obj;
my $class = ref( $obj );
my $hash = {};
@$hash{ @keys } = @$obj{ @keys };
my $self = bless( $hash => $class );
return( $self );
}
sub THAW
{
# STORABLE_thaw would issue $cloning as the 2nd argument, while CBOR would issue
# 'CBOR' as the second value.
my( $self, undef, @args ) = @_;
my $ref = ( CORE::scalar( @args ) == 1 && CORE::ref( $args[0] ) eq 'ARRAY' ) ? CORE::shift( @args ) : \@args;
my $class = ( CORE::defined( $ref ) && CORE::ref( $ref ) eq 'ARRAY' && CORE::scalar( @$ref ) > 1 ) ? CORE::shift( @$ref ) : ( CORE::ref( $self ) || $self );
my $hash = CORE::ref( $ref ) eq 'ARRAY' ? CORE::shift( @$ref ) : {};
my $new;
# Storable pattern requires to modify the object it created rather than returning a new one
if( CORE::ref( $self ) )
{
foreach( CORE::keys( %$hash ) )
{
$self->{ $_ } = CORE::delete( $hash->{ $_ } );
}
$new = $self;
}
else
{
$new = CORE::bless( $hash => $class );
}
CORE::return( $new );
}
1;
# NOTE: POD
__END__
=encoding utf-8
=head1 NAME
DB::Object::Constraint::Check - Table Check Constraint Class
=head1 SYNOPSIS
use DB::Object::Constraint::Check;
my $check = DB::Object::Constraint::Check->new(
expr => q{CHECK (status::text ~* '^(active|inactive|locked|pending|protected|removed|suspended)$'::text)},
fields => [qw( status )],
name => 'chk_users_status',
) || die( DB::Object::Constraint::Check->error, "\n" );
=head1 VERSION
v0.2.0
=head1 DESCRIPTION
This class represents a table check constraint. It is instantiated by the L<structure|DB::Object::Tables/structure> method when retrieving the table structure details.
=head1 CONSTRUCTOR
=head2 new
To instantiate new object, you can pass an hash or hash reference of properties matching the method names available below.
=head1 METHODS
=head2 expr
Sets or gets a check constraint expression.
It returns a L<scalar object|Module::Generic::Scalar>
=head2 fields
Sets or gets an array reference of table field names associated with this constraint.
It returns a L<array object|Module::Generic::Array>
=head2 name
Sets or gets the check constraint name.
It returns a L<scalar object|Module::Generic::Scalar>
=head1 AUTHOR
Jacques Deguest E<lt>F<jack@deguest.jp>E<gt>
=head1 SEE ALSO
L<perl>
=head1 COPYRIGHT & LICENSE
Copyright(c) 2023 DEGUEST Pte. Ltd.
All rights reserved
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
=cut
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