Fix ::Sybase::ASE incorrect attempt to retrieve an autoinc on blob inserts

This is a temporary fixup, will be better taken care of with the lobwriter
  --ribasushi

Author: perlpunk

AUTHORS

@@ -200,6 +200,7 @@ teejay: Aaron Trevena <teejay@cpan.org>
 theorbtwo: James Mastros <james@mastros.biz>
 Thomas Kratz <tomk@cpan.org>
 timbunce: Tim Bunce <tim.bunce@pobox.com>
+tinita: Tina Mueller <cpan2@tinita.de>
 Todd Lipcon
 Tom Hukins <tom@eborcom.com>
 tommy: Tommy Butler <tbutler.cpan.org@internetalias.net>

Changes

@@ -25,6 +25,8 @@ Revision history for DBIx::Class
         - Fix t/52leaks.t failures on compilerless systems (RT#104429)
         - Fix t/storage/quote_names.t failures on systems with specified Oracle
           test credentials while missing the optional Math::Base36
+        - Fix the Sybase ASE storage incorrectly attempting to retrieve an
+          autoinc value when inserting rows containing blobs (GH#82)
         - Fix test failures when DBICTEST_SYBASE_DSN is set (unnoticed change
           in error message wording during 0.082800 and a bogus test)
 

lib/DBIx/Class/Storage/DBI/Sybase/ASE.pm

@@ -763,6 +763,11 @@ sub _insert_blobs {
   $self->throw_exception('Cannot update TEXT/IMAGE column(s) without primary key values')
     if grep { ! defined $row_data->{$_} } @primary_cols;
 
+  # if we are 2-phase inserting a blob - there is nothing to retrieve anymore,
+  # regardless of the previous state of the flag
+  local $self->{_perform_autoinc_retrieval}
+    if $self->_perform_autoinc_retrieval;
+
   my %where = map {( $_ => $row_data->{$_} )} @primary_cols;
 
   for my $col (keys %$blob_cols) {

t/746sybase.t

@@ -501,6 +501,13 @@ SQL
       $rs->update({ blob => undef });
       is((grep !defined($_->blob), $rs->all), 2);
     } 'blob update to NULL';
+
+    lives_ok {
+      $schema->txn_do(sub {
+        my $created = $rs->create( { clob => "some text" } );
+      });
+    } 'insert blob field in transaction';
+    $ping_count-- if $@; # failure retry triggers a ping
   }
 
 # test MONEY column support (and some other misc. stuff)