package DBIx::Class::Storage::DBI::Cursor;
-use base qw/DBIx::Class::Cursor/;
-
use strict;
use warnings;
+use base qw/DBIx::Class::Cursor/;
+
+use Try::Tiny;
+use namespace::clean;
+
+__PACKAGE__->mk_group_accessors('simple' =>
+ qw/sth storage args pos attrs _dbh_gen/
+);
+
=head1 NAME
DBIx::Class::Storage::DBI::Cursor - Object representing a query cursor on a
sub new {
my ($class, $storage, $args, $attrs) = @_;
- #use Data::Dumper; warn Dumper(@_);
$class = ref $class if ref $class;
+
my $new = {
storage => $storage,
args => $args,
return bless ($new, $class);
}
-=head2 as_query
-
-=over 4
-
-=item Arguments: none
-
-=item Return Value: \[ $sql, @bind ]
-
-=back
-
-Returns the SQL statement and bind vars associated with the invocant.
-
-=cut
-
-sub as_query {
- my $self = shift;
-
- my $storage = $self->{storage};
- my $sql_maker = $storage->sql_maker;
- local $sql_maker->{for};
-
- my @args = $storage->_select_args(@{$self->{args}});
- my ($sql, $bind) = $storage->_prep_for_execute(@args[0 .. 2], [@args[4 .. $#args]]);
- return \[ $sql, @$bind ];
-}
-
=head2 next
=over 4
my ($storage, $dbh, $self) = @_;
$self->_check_dbh_gen;
- if ($self->{attrs}{rows} && $self->{pos} >= $self->{attrs}{rows}) {
- $self->{sth}->finish if $self->{sth}->{Active};
- delete $self->{sth};
+ if (
+ $self->{attrs}{software_limit}
+ && $self->{attrs}{rows}
+ && $self->{pos} >= $self->{attrs}{rows}
+ ) {
+ $self->sth->finish if $self->sth->{Active};
+ $self->sth(undef);
$self->{done} = 1;
}
return if $self->{done};
- unless ($self->{sth}) {
- $self->{sth} = ($storage->_select(@{$self->{args}}))[1];
+ unless ($self->sth) {
+ $self->sth(($storage->_select(@{$self->{args}}))[1]);
if ($self->{attrs}{software_limit}) {
if (my $offset = $self->{attrs}{offset}) {
- $self->{sth}->fetch for 1 .. $offset;
+ $self->sth->fetch for 1 .. $offset;
}
}
}
- my @row = $self->{sth}->fetchrow_array;
+ my @row = $self->sth->fetchrow_array;
if (@row) {
$self->{pos}++;
} else {
- delete $self->{sth};
+ $self->sth(undef);
$self->{done} = 1;
}
return @row;
my ($storage, $dbh, $self) = @_;
$self->_check_dbh_gen;
- $self->{sth}->finish if $self->{sth}->{Active};
- delete $self->{sth};
+ $self->sth->finish if $self->sth && $self->sth->{Active};
+ $self->sth(undef);
my ($rv, $sth) = $storage->_select(@{$self->{args}});
return @{$sth->fetchall_arrayref};
}
my ($self) = @_;
if ($self->{attrs}{software_limit}
&& ($self->{attrs}{offset} || $self->{attrs}{rows})) {
- return $self->SUPER::all;
+ return $self->next::method;
}
+
$self->{storage}->dbh_do($self->can('_dbh_all'), $self);
}
my ($self) = @_;
# No need to care about failures here
- eval { $self->{sth}->finish if $self->{sth} && $self->{sth}->{Active} };
+ try { $self->sth->finish }
+ if $self->sth && $self->sth->{Active};
$self->_soft_reset;
+ return undef;
}
sub _soft_reset {
my ($self) = @_;
- delete $self->{sth};
+ $self->sth(undef);
delete $self->{done};
$self->{pos} = 0;
- return $self;
}
sub _check_dbh_gen {
}
sub DESTROY {
- my ($self) = @_;
-
# None of the reasons this would die matter if we're in DESTROY anyways
- local $@;
- eval { $self->{sth}->finish if $self->{sth} && $self->{sth}->{Active} };
+ if (my $sth = $_[0]->sth) {
+ try { $sth->finish } if $sth->FETCH('Active');
+ }
}
1;