package Tangram::Driver::Sybase::Storage;
use strict;
use Tangram::Storage;
use vars qw(@ISA);
@ISA = qw( Tangram::Storage );
use Tangram::Driver::Sybase::Expr::Date;
use Tangram::Driver::Sybase::Statement;
sub prepare
{
my ($self, $sql) = @_;
#print "prepare: $sql\n";
bless [ $self, $sql ], 'Tangram::Driver::Sybase::Statement';
}
*prepare_update = \*prepare;
*prepare_insert = \*prepare;
sub prepare_select
{
my ($self, $sql) = @_;
return $self->prepare($sql);
}
sub make_1st_id_in_tx
{
my ($self) = @_;
my $table = $self->{schema}{control};
$self->sql_do("UPDATE $table SET mark = mark + 1");
return $self->{db}->selectall_arrayref("SELECT mark from $table")->[0][0];
}
sub update_id_in_tx
{
my ($self, $mark) = @_;
$self->sql_do("UPDATE $self->{schema}{control} SET mark = $mark");
}
my %improved =
(
'Tangram::Type/TimeAndDate' => 'Tangram::Driver::Sybase::Expr::Date',
'Tangram::Type/Date' => 'Tangram::Driver::Sybase::Expr::Date',
);
sub expr
{
my $self = shift;
my $type = shift;
my ($expr, @remotes) = @_;
# is $type related to dates? if not, return default
my $improved = $improved{ref($type)} or return $type->expr(@_);
# $type is a Date; return a DateExpr
return $improved->new($type, $expr, @remotes);
}
1;