Factor SQL-standard deferred FK checks into a component

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

diff --git a/lib/DBIx/Class/Storage/DBI/Oracle/Generic.pm b/lib/DBIx/Class/Storage/DBI/Oracle/Generic.pm
index 695d432..66bfc81 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI/Oracle/Generic.pm
+++ b/lib/DBIx/Class/Storage/DBI/Oracle/Generic.pm
@@ -2,11 +2,9 @@ package DBIx::Class::Storage::DBI::Oracle::Generic;
 
 use strict;
 use warnings;
-use base qw/DBIx::Class::Storage::DBI/;
+use base qw/DBIx::Class::Storage::DBI::SetConstraintsDeferred/;
 use mro 'c3';
 use DBIx::Class::Carp;
-use Scope::Guard ();
-use Context::Preserve 'preserve_context';
 use Try::Tiny;
 use List::Util 'first';
 use namespace::clean;
@@ -650,35 +648,6 @@ sub relname_to_table_alias {
   return $self->sql_maker->_shorten_identifier($alias);
 }
 
-=head2 with_deferred_fk_checks
-
-Runs a coderef between:
-
-  alter session set constraints = deferred
-  ...
-  alter session set constraints = immediate
-
-to defer foreign key checks.
-
-Constraints must be declared C<DEFERRABLE> for this to work.
-
-=cut
-
-sub with_deferred_fk_checks {
-  my ($self, $sub) = @_;
-
-  my $txn_scope_guard = $self->txn_scope_guard;
-
-  $self->_do_query('alter session set constraints = deferred');
-
-  my $sg = Scope::Guard->new(sub {
-    $self->_do_query('alter session set constraints = immediate');
-  });
-
-  return
-    preserve_context { $sub->() } after => sub { $txn_scope_guard->commit };
-}
-
 =head1 ATTRIBUTES
 
 Following additional attributes can be used in resultsets.