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# $Id$
package Data::ObjectDriver::Driver::DBD::Pg;
use strict;
use warnings;
use base qw( Data::ObjectDriver::Driver::DBD );
# No postgresql doesn't allow MySQL's REPLACE INTO syntax
sub can_replace { 0 }
sub init_dbh {
my $dbd = shift;
my($dbh) = @_;
$dbh->do("set timezone to 'UTC'");
$dbh;
}
sub bind_param_attributes {
my ($dbd, $data_type) = @_;
if ($data_type && $data_type eq 'blob') {
return { pg_type => DBD::Pg::PG_BYTEA() };
}
return;
}
sub sequence_name {
my $dbd = shift;
my($class, $driver) = @_;
my $datasource = $class ->datasource;
my $prefix = $driver->prefix;
$datasource = join('', $prefix, $datasource) if $prefix;
join '_', $datasource,
$dbd->db_column_name($class->datasource, $class->properties->{primary_key}),
'seq';
}
sub fetch_id {
my $dbd = shift;
my($class, $dbh, $sth, $driver) = @_;
$dbh->last_insert_id(undef, undef, undef, undef,
{ sequence => $dbd->sequence_name($class, $driver) });
}
sub bulk_insert {
my $dbd = shift;
my $dbh = shift;
my $table = shift;
my $cols = shift;
my $rows_ref = shift;
my $sql = "COPY $table (" . join(',', @{$cols}) . ') from stdin';
$dbh->do($sql);
foreach my $row (@{$rows_ref}) {
my $line = join("\t", map {$_ || '\N'} @{$row});
$dbh->pg_putline("$line\n");
}
return $dbh->pg_endcopy();
}
sub map_error_code {
my $dbd = shift;
my($code, $msg) = @_;
if ($msg && $msg =~ /(?:violates unique constraint)/) {
return Data::ObjectDriver::Errors->UNIQUE_CONSTRAINT;
} else {
return;
}
}
1;
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