fix and regression test for RT #62642

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / Storage / DBI / Cursor.pm

diff --git a/lib/DBIx/Class/Storage/DBI/Cursor.pm b/lib/DBIx/Class/Storage/DBI/Cursor.pm
index 60df379..eee5cbb 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI/Cursor.pm
+++ b/lib/DBIx/Class/Storage/DBI/Cursor.pm
@@ -1,10 +1,17 @@
 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/
+);
+
 =head1 NAME
 
 DBIx::Class::Storage::DBI::Cursor - Object representing a query cursor on a
@@ -36,8 +43,8 @@ Returns a new L<DBIx::Class::Storage::DBI::Cursor> object.
 
 sub new {
   my ($class, $storage, $args, $attrs) = @_;
-  #use Data::Dumper; warn Dumper(@_);
   $class = ref $class if ref $class;
+
   my $new = {
     storage => $storage,
     args => $args,
@@ -49,32 +56,6 @@ sub new {
   return bless ($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
@@ -94,25 +75,29 @@ sub _dbh_next {
   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);
     $self->{done} = 1;
   }
   return @row;
@@ -142,8 +127,8 @@ sub _dbh_all {
   my ($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 @{$sth->fetchall_arrayref};
 }
@@ -152,8 +137,9 @@ sub all {
   my ($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);
 }
 
@@ -167,17 +153,18 @@ sub reset {
   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 {
@@ -190,11 +177,10 @@ 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;