From: Peter Rabbitson <ribasushi@cpan.org>
Date: Sun, 28 Nov 2010 02:15:24 +0000 (+0100)
Subject: Rename method, normalize rv to [$sql, @bind]
X-Git-Tag: v0.08125~36
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=dbsrgits%2FDBIx-Class.git;a=commitdiff_plain;h=bac358c9d99a75db2d2bab8f11102ed557f523b7;hp=35f5c265f7114c98663ac471e54b4ea9e34b3f37

Rename method, normalize rv to [$sql, @bind]
---

diff --git a/lib/DBIx/Class/ResultSet.pm b/lib/DBIx/Class/ResultSet.pm
index 580ab20..db6c27e 100644
--- a/lib/DBIx/Class/ResultSet.pm
+++ b/lib/DBIx/Class/ResultSet.pm
@@ -2745,7 +2745,7 @@ sub is_paged {
 
 sub is_ordered {
   my ($self) = @_;
-  return scalar $self->result_source->storage->_extract_order_columns($self->{attrs}{order_by});
+  return scalar $self->result_source->storage->_extract_order_criteria($self->{attrs}{order_by});
 }
 
 =head2 related_resultset
diff --git a/lib/DBIx/Class/ResultSetColumn.pm b/lib/DBIx/Class/ResultSetColumn.pm
index a459bc3..0879585 100644
--- a/lib/DBIx/Class/ResultSetColumn.pm
+++ b/lib/DBIx/Class/ResultSetColumn.pm
@@ -68,8 +68,8 @@ sub new {
   ;
   if (
     scalar grep
-      { ! $collist{$_} }
-      ( $rs->result_source->schema->storage->_extract_order_columns ($orig_attrs->{order_by} ) ) 
+      { ! $collist{$_->[0]} }
+      ( $rs->result_source->schema->storage->_extract_order_criteria ($orig_attrs->{order_by} ) ) 
   ) {
     # nuke the prefetch before collapsing to sql
     my $subq_rs = $rs->search;
diff --git a/lib/DBIx/Class/Storage/DBI/MSSQL.pm b/lib/DBIx/Class/Storage/DBI/MSSQL.pm
index 77b0996..1a1f355 100644
--- a/lib/DBIx/Class/Storage/DBI/MSSQL.pm
+++ b/lib/DBIx/Class/Storage/DBI/MSSQL.pm
@@ -164,7 +164,7 @@ sub _select_args_to_query {
   if (
     $sql !~ /^ \s* SELECT \s+ TOP \s+ \d+ \s+ /xi
       &&
-    scalar $self->_extract_order_columns ($attrs->{order_by})
+    scalar $self->_extract_order_criteria ($attrs->{order_by})
   ) {
     $self->throw_exception(
       'An ordered subselect encountered - this is not safe! Please see "Ordered Subselects" in DBIx::Class::Storage::DBI::MSSQL
diff --git a/lib/DBIx/Class/Storage/DBI/Replicated.pm b/lib/DBIx/Class/Storage/DBI/Replicated.pm
index 9fa00f2..54ca793 100644
--- a/lib/DBIx/Class/Storage/DBI/Replicated.pm
+++ b/lib/DBIx/Class/Storage/DBI/Replicated.pm
@@ -355,7 +355,6 @@ has 'write_handler' => (
     _resolve_column_info
     _prune_unused_joins
     _strip_cond_qualifiers
-    _extract_order_columns
     _resolve_aliastypes_from_select_args
     _execute
     _do_query
@@ -379,6 +378,7 @@ my @unimplemented = qw(
   _inner_join_to_node
   _group_over_selection
   _prefetch_autovalues
+  _extract_order_criteria
 );
 
 # the capability framework
diff --git a/lib/DBIx/Class/Storage/DBIHacks.pm b/lib/DBIx/Class/Storage/DBIHacks.pm
index 61f8aac..db9bc27 100644
--- a/lib/DBIx/Class/Storage/DBIHacks.pm
+++ b/lib/DBIx/Class/Storage/DBIHacks.pm
@@ -276,8 +276,8 @@ sub _resolve_aliastypes_from_select_args {
       }),
     ],
     selecting => [
-      $self->_extract_order_columns ($attrs->{order_by}, $sql_maker),
       $sql_maker->_recurse_fields ($select),
+      ( map { $_->[0] } $self->_extract_order_criteria ($attrs->{order_by}, $sql_maker) ),
     ],
   };
 
@@ -336,6 +336,7 @@ sub _resolve_aliastypes_from_select_args {
   return $aliases_by_type;
 }
 
+# This is the engine behind { distinct => 1 }
 sub _group_over_selection {
   my ($self, $from, $select, $order_by) = @_;
 
@@ -356,11 +357,12 @@ sub _group_over_selection {
 
   # add any order_by parts that are not already present in the group_by
   # we need to be careful not to add any named functions/aggregates
-  # i.e. select => [ ... { count => 'foo', -as 'foocount' } ... ]
-  for my $chunk ($self->_extract_order_columns($order_by)) {
+  # i.e. order_by => [ ... { count => 'foo' } ... ]
+  for ($self->_extract_order_criteria($order_by)) {
     # only consider real columns (for functions the user got to do an explicit group_by)
-    my $colinfo = $rs_column_list->{$chunk}
-      or next;
+    next if @$_ != 1;
+    my $chunk = $_->[0];
+    my $colinfo = $rs_column_list->{$chunk} or next;
 
     $chunk = "$colinfo->{-source_alias}.$chunk" if $chunk !~ /\./;
     push @group_by, $chunk unless $group_index{$chunk}++;
@@ -588,7 +590,7 @@ sub _strip_cond_qualifiers {
   return $cond;
 }
 
-sub _extract_order_columns {
+sub _extract_order_criteria {
   my ($self, $order_by, $sql_maker) = @_;
 
   my $parser = sub {
@@ -598,8 +600,9 @@ sub _extract_order_columns {
       unless wantarray;
 
     my @chunks;
-    for my $chunk (map { ref $_ ? @$_ : $_ } ($sql_maker->_order_by_chunks ($order_by) ) ) {
-      $chunk =~ s/\s+ (?: ASC|DESC ) \s* $//ix;
+    for ($sql_maker->_order_by_chunks ($order_by) ) {
+      my $chunk = ref $_ ? $_ : [ $_ ];
+      $chunk->[0] =~ s/\s+ (?: ASC|DESC ) \s* $//ix;
       push @chunks, $chunk;
     }