X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2FPg.pm;h=6636201f42377a0b713dabd713471c850bf891ff;hb=406760d8097f4420dca9d141f7a397a290867938;hp=3d25b835656fd0792eb93873d71661dc28818f06;hpb=6ea2d01b1d47b05c7ad28636345530f949108f20;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Storage/DBI/Pg.pm b/lib/DBIx/Class/Storage/DBI/Pg.pm
index 3d25b83..6636201 100644
--- a/lib/DBIx/Class/Storage/DBI/Pg.pm
+++ b/lib/DBIx/Class/Storage/DBI/Pg.pm
@@ -26,11 +26,11 @@ sub last_insert_id {
 
   for my $col (@cols) {
     my $seq = ( $source->column_info($col)->{sequence} ||= $self->dbh_do('_dbh_get_autoinc_seq', $source, $col) )
-      or $self->throw_exception( "could not determine sequence for "
-                                 . $source->name
-                                 . ".$col, please consider adding a "
-                                 . "schema-qualified sequence to its column info"
-                               );
+      or $self->throw_exception( sprintf(
+        'could not determine sequence for column %s.%s, please consider adding a schema-qualified sequence to its column info',
+          $source->name,
+          $col,
+      ));
 
     push @values, $self->_dbh_last_insert_id ($self->_dbh, $seq);
   }
@@ -61,22 +61,22 @@ sub _dbh_get_autoinc_seq {
     ( $schema, $table ) = ( $1, $2 );
   }
 
-  # use DBD::Pg to fetch the column info if it is recent enough to
-  # work. otherwise, use custom SQL
-  my $seq_expr =  $DBD::Pg::VERSION >= 2.015001
-      ? eval{ $dbh->column_info(undef,$schema,$table,$col)->fetchrow_hashref->{COLUMN_DEF} }
-      : $self->_dbh_get_column_default( $dbh, $schema, $table, $col );
+  # get the column default using a Postgres-specific pg_catalog query
+  my $seq_expr = $self->_dbh_get_column_default( $dbh, $schema, $table, $col );
 
   # if no default value is set on the column, or if we can't parse the
   # default value as a sequence, throw.
-  unless ( defined $seq_expr and $seq_expr =~ /^nextval\(+'([^']+)'::(?:text|regclass)\)/i ){
+  unless ( defined $seq_expr and $seq_expr =~ /^nextval\(+'([^']+)'::(?:text|regclass)\)/i ) {
     $seq_expr = '' unless defined $seq_expr;
     $schema = "$schema." if defined $schema && length $schema;
-    $self->throw_exception( "no sequence found for $schema$table.$col, check table definition, "
-                            . "or explicitly set the 'sequence' for this column in the "
-                            . $source->source_name
-                            . " class"
-                          );
+    $self->throw_exception( sprintf (
+      'no sequence found for %s%s.%s, check the RDBMS table definition or explicitly set the '.
+      "'sequence' for this column in %s",
+        $schema ? "$schema." : '',
+        $table,
+        $col,
+        $source->source_name,
+    ));
   }
 
   return $1;
@@ -189,8 +189,8 @@ DBIx::Class::Storage::DBI::Pg - Automatic primary key class for PostgreSQL
 
 =head1 SYNOPSIS
 
-  # In your table classes
-  __PACKAGE__->load_components(qw/PK::Auto Core/);
+  # In your result (table) classes
+  use base 'DBIx::Class::Core';
   __PACKAGE__->set_primary_key('id');
   __PACKAGE__->sequence('mysequence');