From: Peter Rabbitson <ribasushi@cpan.org>
Date: Sun, 6 Sep 2009 18:35:30 +0000 (+0000)
Subject: Centralize identity insert control for mssql (it seems that issuing an OFF is not... 
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=afcfff010f5a1d6dbc3a5fb6dfbaeb6246c33372;p=dbsrgits%2FDBIx-Class-Historic.git

Centralize identity insert control for mssql (it seems that issuing an OFF is not necessary)
---

diff --git a/lib/DBIx/Class/Storage/DBI.pm b/lib/DBIx/Class/Storage/DBI.pm
index 6b5ec3d..7ebea34 100644
--- a/lib/DBIx/Class/Storage/DBI.pm
+++ b/lib/DBIx/Class/Storage/DBI.pm
@@ -1359,6 +1359,7 @@ sub insert_bulk {
     local $Data::Dumper::Indent = 1;
     local $Data::Dumper::Useqq = 1;
     local $Data::Dumper::Quotekeys = 0;
+    local $Data::Dumper::Sortkeys = 1;
 
     $self->throw_exception(sprintf "%s for populate slice:\n%s",
       $tuple_status->[$i][1],
diff --git a/lib/DBIx/Class/Storage/DBI/MSSQL.pm b/lib/DBIx/Class/Storage/DBI/MSSQL.pm
index 8bcb8cb..c4611b3 100644
--- a/lib/DBIx/Class/Storage/DBI/MSSQL.pm
+++ b/lib/DBIx/Class/Storage/DBI/MSSQL.pm
@@ -14,31 +14,26 @@ __PACKAGE__->mk_group_accessors(simple => qw/
 
 __PACKAGE__->sql_maker_class('DBIx::Class::SQLAHacks::MSSQL');
 
+sub _set_identity_insert {
+  my ($self, $table) = @_;
+  $self->_get_dbh->do (sprintf
+    'SET IDENTITY_INSERT %s ON',
+    $self->sql_maker->_quote ($table)
+  );
+}
+
 sub insert_bulk {
   my $self = shift;
   my ($source, $cols, $data) = @_;
 
-  my $identity_insert = 0;
-
-  COLUMNS:
-  foreach my $col (@{$cols}) {
-    if ($source->column_info($col)->{is_auto_increment}) {
-      $identity_insert = 1;
-      last COLUMNS;
-    }
-  }
-
-  if ($identity_insert) {
-    my $table = $source->from;
-    $self->_get_dbh->do("SET IDENTITY_INSERT $table ON");
+  if (List::Util::first
+      { $source->column_info ($_)->{is_auto_increment} }
+      (@{$cols})
+  ) {
+      $self->_set_identity_insert ($source->name);
   }
 
   $self->next::method(@_);
-
-  if ($identity_insert) {
-    my $table = $source->from;
-    $self->_get_dbh->do("SET IDENTITY_INSERT $table OFF");
-  }
 }
 
 # support MSSQL GUID column types
@@ -47,7 +42,7 @@ sub insert {
   my $self = shift;
   my ($source, $to_insert) = @_;
 
-  my $updated_cols = {};
+  my $supplied_col_info = $self->_resolve_column_info($source, [keys %$to_insert] );
 
   my %guid_cols;
   my @pk_cols = $source->primary_columns;
@@ -71,11 +66,17 @@ sub insert {
   my @get_guids_for =
     grep { not exists $to_insert->{$_} } (@pk_guids, @auto_guids);
 
+  my $updated_cols = {};
+
   for my $guid_col (@get_guids_for) {
     my ($new_guid) = $self->_get_dbh->selectrow_array('SELECT NEWID()');
     $updated_cols->{$guid_col} = $to_insert->{$guid_col} = $new_guid;
   }
 
+  if (List::Util::first { $_->{is_auto_increment} } (values %$supplied_col_info) ) {
+    $self->_set_identity_insert ($source->name);
+  }
+
   $updated_cols = { %$updated_cols, %{ $self->next::method(@_) } };
 
   return $updated_cols;
@@ -105,14 +106,6 @@ sub _prep_for_execute {
   if ($op eq 'insert') {
     $sql .= ';SELECT SCOPE_IDENTITY()';
 
-    my $col_info = $self->_resolve_column_info($ident, [map $_->[0], @{$bind}]);
-    if (List::Util::first { $_->{is_auto_increment} } (values %$col_info) ) {
-
-      my $table = $ident->from;
-      my $identity_insert_on = "SET IDENTITY_INSERT $table ON";
-      my $identity_insert_off = "SET IDENTITY_INSERT $table OFF";
-      $sql = "$identity_insert_on; $sql; $identity_insert_off";
-    }
   }
 
   return ($sql, $bind);
diff --git a/t/746mssql.t b/t/746mssql.t
index 2ee8cc3..a75001e 100644
--- a/t/746mssql.t
+++ b/t/746mssql.t
@@ -12,8 +12,6 @@ my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_MSSQL_ODBC_${_}" } qw/DSN USER PA
 plan skip_all => 'Set $ENV{DBICTEST_MSSQL_ODBC_DSN}, _USER and _PASS to run this test'
   unless ($dsn && $user);
 
-plan tests => 39;
-
 DBICTest::Schema->load_classes('ArtistGUID');
 my $schema = DBICTest::Schema->connect($dsn, $user, $pass);
 
@@ -220,6 +218,19 @@ lives_ok ( sub {
   ]);
 }, 'populate with PKs supplied ok' );
 
+lives_ok (sub {
+  # start a new connection, make sure rebless works
+  # test an insert with a supplied identity, followed by one without
+  my $schema = DBICTest::Schema->connect($dsn, $user, $pass);
+  for (1..2) {
+    my $id = $_ * 20 ;
+    $schema->resultset ('Owners')->create ({ id => $id, name => "troglodoogle $id" });
+    $schema->resultset ('Owners')->create ({ name => "troglodoogle " . ($id + 1) });
+  }
+}, 'create with/without PKs ok' );
+
+is ($schema->resultset ('Owners')->count, 19, 'owner rows really in db' );
+
 lives_ok ( sub {
   # start a new connection, make sure rebless works
   my $schema = DBICTest::Schema->connect($dsn, $user, $pass);
@@ -329,9 +340,10 @@ $schema->storage->_sql_maker->{name_sep} = '.';
       ],
     );
   }
-
 }
 
+done_testing;
+
 # clean up our mess
 END {
   if (my $dbh = eval { $schema->storage->_dbh }) {