[#1614234] Adding delta field to the database for cardinality > 1

views_natural_sort.install

@@ -34,6 +34,13 @@ function views_natural_sort_schema() {
         'not null' => TRUE,
         'default' => '',
       ),
+      'delta' => array(
+        'description' => t('The sequence number for this data item, used for multi-value fields'),
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
       'content' => array(
         'description' => t('Filtered content used for sorting.'),
         'type' => 'varchar',
@@ -42,7 +49,7 @@ function views_natural_sort_schema() {
         'default' => '',
       ),
     ),
-    'primary key' => array('eid', 'entity_type', 'field'),
+    'primary key' => array('eid', 'entity_type', 'field', 'delta'),
   );
 
   return $schema;
@@ -100,6 +107,12 @@ function views_natural_sort_update_7001() {
   module_load_include('inc', 'views_natural_sort', 'views_natural_sort.admin');
   views_natural_sort_rebuild_index_submit();
 }
+
+/**
+ * Impliments hook_update_N().
+ *
+ * Upgrade the 7.x-1.x table structure to the 7.x-2.x table structure.
+ */
 function views_natural_sort_update_7200() {
   db_drop_primary_key('views_natural_sort');
   db_add_field(
@@ -113,6 +126,17 @@ function views_natural_sort_update_7200() {
       'default' => 'node'
     )
   );
+  db_add_field(
+    'views_natural_sort',
+    'delta',
+    array(
+      'description' => t('The sequence number for this data item, used for multi-value fields'),
+      'type' => 'int',
+      'unsigned' => TRUE,
+      'not null' => TRUE,
+      'default' => 0,
+    )
+  );
   db_change_field(
     'views_natural_sort',
     'nid',
@@ -124,7 +148,7 @@ function views_natural_sort_update_7200() {
       'not null' => TRUE,
     ),
     array(
-      'primary key' => array('eid', 'entity_type', 'field'),
+      'primary key' => array('eid', 'entity_type', 'field', 'delta'),
     )
   );
 }

views_natural_sort.views.inc

@@ -8,7 +8,6 @@
  */
 
 function views_natural_sort_views_data_alter(&$data) {
-  // TODO: Add a field and argument handler to support grouping.
   $data['node']['title']['sort']['handler'] = 'views_natural_sort_handler_sort';
 }