Rename internal function to clarify what it does

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

diff --git a/lib/DBIx/Class/Storage/DBI.pm b/lib/DBIx/Class/Storage/DBI.pm
index f017252..f346524 100644 (file)
--- a/lib/DBIx/Class/Storage/DBI.pm
+++ b/lib/DBIx/Class/Storage/DBI.pm
@@ -95,6 +95,9 @@ sub _find_syntax {
 
 sub select {
   my ($self, $table, $fields, $where, $order, @rest) = @_;
+  local $self->{having_bind} = [];
+  local $self->{from_bind} = [];
+
   if (ref $table eq 'SCALAR') {
     $table = $$table;
   }
@@ -106,8 +109,7 @@ sub select {
   @rest = (-1) unless defined $rest[0];
   die "LIMIT 0 Does Not Compute" if $rest[0] == 0;
     # and anyway, SQL::Abstract::Limit will cause a barf if we don't first
-  local $self->{having_bind} = [];
-  my ($sql, @ret) = $self->SUPER::select(
+  my ($sql, @where_bind) = $self->SUPER::select(
     $table, $self->_recurse_fields($fields), $where, $order, @rest
   );
   $sql .= 
@@ -119,7 +121,7 @@ sub select {
     ) :
     ''
   ;
-  return wantarray ? ($sql, @ret, @{$self->{having_bind}}) : $sql;
+  return wantarray ? ($sql, @{$self->{from_bind}}, @where_bind, @{$self->{having_bind}}) : $sql;
 }
 
 sub insert {
@@ -171,6 +173,13 @@ sub _recurse_fields {
         .'( '.$self->_recurse_fields($fields->{$func}).' )';
     }
   }
+  # Is the second check absolutely necessary?
+  elsif ( $ref eq 'REF' and ref($$fields) eq 'ARRAY' ) {
+    return $self->_fold_sqlbind( $fields );
+  }
+  else {
+    Carp::croak($ref . qq{ unexpected in _recurse_fields()})
+  }
 }
 
 sub _order_by {
@@ -259,19 +268,18 @@ sub _recurse_from {
   return join('', @sqlf);
 }
 
-sub _bind_to_sql {
-  my $self = shift;
-  my $arr  = shift;
-  my $sql = shift @$$arr;
-  $sql =~ s/\?/$self->_quote((shift @$$arr)->[1])/eg;
-  return $sql
+sub _fold_sqlbind {
+  my ($self, $sqlbind) = @_;
+  my $sql = shift @$$sqlbind;
+  push @{$self->{from_bind}}, @$$sqlbind;
+  return $sql;
 }
 
 sub _make_as {
   my ($self, $from) = @_;
-  return join(' ', map { (ref $_ eq 'SCALAR' ? $$_ 
-                        : ref $_ eq 'REF'    ? $self->_bind_to_sql($_) 
-                        : $self->_quote($_)) 
+  return join(' ', map { (ref $_ eq 'SCALAR' ? $$_
+                        : ref $_ eq 'REF'    ? $self->_fold_sqlbind($_)
+                        : $self->_quote($_))
                        } reverse each %{$self->_skip_options($from)});
 }
 
@@ -1232,7 +1240,7 @@ sub _query_end {
 
 sub _dbh_execute {
   my ($self, $dbh, $op, $extra_bind, $ident, $bind_attributes, @args) = @_;
-  
+
   my ($sql, $bind) = $self->_prep_for_execute($op, $extra_bind, $ident, \@args);
 
   $self->_query_start( $sql, @$bind );
@@ -1279,20 +1287,22 @@ sub insert {
   my $ident = $source->from; 
   my $bind_attributes = $self->source_bind_attributes($source);
 
+  my $updated_cols = {};
+
   $self->ensure_connected;
   foreach my $col ( $source->columns ) {
     if ( !defined $to_insert->{$col} ) {
       my $col_info = $source->column_info($col);
 
       if ( $col_info->{auto_nextval} ) {
-        $to_insert->{$col} = $self->_sequence_fetch( 'nextval', $col_info->{sequence} || $self->_dbh_get_autoinc_seq($self->dbh, $source) );
+        $updated_cols->{$col} = $to_insert->{$col} = $self->_sequence_fetch( 'nextval', $col_info->{sequence} || $self->_dbh_get_autoinc_seq($self->dbh, $source) );
       }
     }
   }
 
   $self->_execute('insert' => [], $source, $bind_attributes, $to_insert);
 
-  return $to_insert;
+  return $updated_cols;
 }
 
 ## Still not quite perfect, and EXPERIMENTAL
@@ -1377,14 +1387,6 @@ sub _select_args {
   my ($self, $ident, $select, $condition, $attrs) = @_;
   my $order = $attrs->{order_by};
 
-  if (ref $condition eq 'SCALAR') {
-    my $unwrap = ${$condition};
-    if ($unwrap =~ s/ORDER BY (.*)$//i) {
-      $order = $1;
-      $condition = \$unwrap;
-    }
-  }
-
   my $for = delete $attrs->{for};
   my $sql_maker = $self->sql_maker;
   $sql_maker->{for} = $for;
@@ -1409,7 +1411,6 @@ sub _select_args {
     $attrs->{rows} = 2**48 if not defined $attrs->{rows} and defined $attrs->{offset};
     push @args, $attrs->{rows}, $attrs->{offset};
   }
-
   return @args;
 }
 
@@ -1559,9 +1560,18 @@ Return the row id of the last insert.
 =cut
 
 sub _dbh_last_insert_id {
-    my ($self, $dbh, $source, $col) = @_;
-    # XXX This is a SQLite-ism as a default... is there a DBI-generic way?
-    $dbh->func('last_insert_rowid');
+    # All Storage's need to register their own _dbh_last_insert_id
+    # the old SQLite-based method was highly inappropriate
+
+    my $self = shift;
+    my $class = ref $self;
+    $self->throw_exception (<<EOE);
+
+No _dbh_last_insert_id() method found in $class.
+Since the method of obtaining the autoincrement id of the last insert
+operation varies greatly between different databases, this method must be
+individually implemented for every storage class.
+EOE
 }
 
 sub last_insert_id {
@@ -1644,7 +1654,6 @@ sub create_ddl_dir {
 
   foreach my $db (@$databases) {
     $sqlt->reset();
-    $sqlt = $self->configure_sqlt($sqlt, $db);
     $sqlt->{schema} = $sqlt_schema;
     $sqlt->producer($db);
 
@@ -1690,7 +1699,6 @@ sub create_ddl_dir {
       $t->debug( 0 );
       $t->trace( 0 );
       $t->parser( $db )                       or die $t->error;
-      $t = $self->configure_sqlt($t, $db);
       my $out = $t->translate( $prefilename ) or die $t->error;
       $source_schema = $t->schema;
       unless ( $source_schema->name ) {
@@ -1708,7 +1716,6 @@ sub create_ddl_dir {
       $t->debug( 0 );
       $t->trace( 0 );
       $t->parser( $db )                    or die $t->error;
-      $t = $self->configure_sqlt($t, $db);
       my $out = $t->translate( $filename ) or die $t->error;
       $dest_schema = $t->schema;
       $dest_schema->name( $filename )
@@ -1728,17 +1735,6 @@ sub create_ddl_dir {
   }
 }
 
-sub configure_sqlt() {
-  my $self = shift;
-  my $tr = shift;
-  my $db = shift || $self->sqlt_type;
-  if ($db eq 'PostgreSQL') {
-    $tr->quote_table_names(0);
-    $tr->quote_field_names(0);
-  }
-  return $tr;
-}
-
 =head2 deployment_statements
 
 =over 4
@@ -1769,7 +1765,7 @@ sub deployment_statements {
   $type ||= $self->sqlt_type;
   $version ||= $schema->schema_version || '1.x';
   $dir ||= './';
-  my $filename = $schema->ddl_filename($type, $dir, $version);
+  my $filename = $schema->ddl_filename($type, $version, $dir);
   if(-f $filename)
   {
       my $file;