From 8ff9e52cbefb5a3d017c3091c28b2ae048fcf4a9 Mon Sep 17 00:00:00 2001
From: Allan Chappell <generalredneck@gmail.com>
Date: Fri, 18 Jan 2013 11:04:17 -0600
Subject: [PATCH] [#1614234] Adding delta field to the database for cardinality
 > 1

---
 views_natural_sort.install   | 28 ++++++++++++++++++++++++++--
 views_natural_sort.views.inc |  1 -
 2 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/views_natural_sort.install b/views_natural_sort.install
index 4a9ffa1..608ac97 100644
--- a/views_natural_sort.install
+++ b/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'),
     )
   );
 }
diff --git a/views_natural_sort.views.inc b/views_natural_sort.views.inc
index 07f9230..5a7dc96 100644
--- a/views_natural_sort.views.inc
+++ b/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';
 }
 
-- 
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