Protect DBIC as best we can from the failure mode in 7cb35852

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / Schema / Versioned.pm

diff --git a/lib/DBIx/Class/Schema/Versioned.pm b/lib/DBIx/Class/Schema/Versioned.pm
index 74fbd8d..d59961f 100644 (file)
--- a/lib/DBIx/Class/Schema/Versioned.pm
+++ b/lib/DBIx/Class/Schema/Versioned.pm
@@ -202,8 +202,8 @@ use warnings;
 use base 'DBIx::Class::Schema';
 
 use DBIx::Class::Carp;
+use DBIx::Class::_Util 'dbic_internal_try';
 use Time::HiRes qw/gettimeofday/;
-use Try::Tiny;
 use Scalar::Util 'weaken';
 use namespace::clean;
 
@@ -527,7 +527,7 @@ sub get_db_version
     my ($self, $rs) = @_;
 
     my $vtable = $self->{vschema}->resultset('Table');
-    my $version = try {
+    my $version = dbic_internal_try {
       $vtable->search({}, { order_by => { -desc => 'installed' }, rows => 1 } )
               ->get_column ('version')
                ->next;
@@ -642,8 +642,8 @@ sub _create_db_to_schema_diff {
     return;
   }
 
-  unless (DBIx::Class::Optional::Dependencies->req_ok_for ('deploy')) {
-    $self->throw_exception("Unable to proceed without " . DBIx::Class::Optional::Dependencies->req_missing_for ('deploy') );
+  if ( my $missing = DBIx::Class::Optional::Dependencies->req_missing_for('deploy') ) {
+    $self->throw_exception("Unable to proceed without $missing");
   }
 
   my $db_tr = SQL::Translator->new({
@@ -746,23 +746,28 @@ sub _read_sql_file {
 
 sub _source_exists
 {
-    my ($self, $rs) = @_;
-
-    return try {
-      $rs->search(\'1=0')->cursor->next;
-      1;
-    } catch {
-      0;
-    };
+  my ($self, $rs) = @_;
+
+  ( dbic_internal_try {
+    $rs->search(\'1=0')->cursor->next;
+    1;
+  } )
+    ? 1
+    : 0
+  ;
 }
 
-1;
+=head1 FURTHER QUESTIONS?
 
+Check the list of L<additional DBIC resources|DBIx::Class/GETTING HELP/SUPPORT>.
 
-=head1 AUTHOR AND CONTRIBUTORS
+=head1 COPYRIGHT AND LICENSE
 
-See L<AUTHOR|DBIx::Class/AUTHOR> and L<CONTRIBUTORS|DBIx::Class/CONTRIBUTORS> in DBIx::Class
+This module is free software L<copyright|DBIx::Class/COPYRIGHT AND LICENSE>
+by the L<DBIx::Class (DBIC) authors|DBIx::Class/AUTHORS>. You can
+redistribute it and/or modify it under the same terms as the
+L<DBIx::Class library|DBIx::Class/COPYRIGHT AND LICENSE>.
 
-=head1 LICENSE
+=cut
 
-You may distribute this code under the same terms as Perl itself.
+1;