From 4f15de058dc6dadee6e79d16b441202b54161f02 Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Sat, 24 Sep 2011 19:52:36 -0300
Subject: Adding transactional fields to muamba data model

---
 muamba.install | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

(limited to 'muamba.install')

diff --git a/muamba.install b/muamba.install
index ab0bcef..e6b3ead 100644
--- a/muamba.install
+++ b/muamba.install
@@ -21,6 +21,12 @@ function muamba_schema() {
   $schema['muamba'] = array(
     'description' => 'The base table for muamba assets.',
     'fields'      => array(
+      'mid'       => array(
+        'description' => t('The primary identifier for a muamba transaction.'),
+        'type'        => 'serial',
+        'unsigned'    => TRUE,
+        'not null'    => TRUE,
+      ),
       'nid'       => array(
         'description' => t('The {node}.nid of the borrowed item.'),
         'type'        => 'int',
@@ -35,6 +41,20 @@ function muamba_schema() {
         'not null'    => TRUE,
         'default'     => 0,
       ),
+      'thread_id'       => array(
+        'description' => t('The {thread}.thread_id for the transaction.'),
+        'type'        => 'int',
+        'unsigned'    => TRUE,
+        'not null'    => TRUE,
+        'default'     => 0,
+      ),
+      'status'       => array(
+        'description' => t('Transaction status.'),
+        'type'        => 'int',
+        'unsigned'    => TRUE,
+        'not null'    => TRUE,
+        'default'     => 0,
+      ),
     ),
     'foreign keys' => array(
       'node' => array(
@@ -45,8 +65,62 @@ function muamba_schema() {
         'table'   => 'users',
         'columns' => array('uid' => 'uid'),
       ),
+      'thread' => array(
+        'table'   => 'pm_index',
+        'columns' => array('thread_id' => 'thread_id'),
+      ),
     ),
+    'primary key' => array('mid'),
   );
 
   return $schema;
 }
+
+/**
+ * Adds transactional fields to muamba data model.
+ */
+function muamba_update_7000(&$sandbox) {
+  // Make sure to not run this update twice.
+  if (db_field_exists('muamba', 'mid')) {
+    return;
+  }
+
+  db_add_field('muamba', 'mid',
+    array(
+      'description' => t('The primary identifier for a muamba transaction.'),
+      'type'        => 'int',
+      'unsigned'    => TRUE,
+      'not null'    => TRUE,
+    )
+  );
+
+  db_add_primary_key('muamba', array('mid'));
+
+  db_add_field('muamba', 'status',
+    array(
+      'description' => t('Transaction status.'),
+      'type'        => 'int',
+      'unsigned'    => TRUE,
+      'not null'    => TRUE,
+      'default'     => 0,
+    )
+  );
+
+  db_add_field('muamba', 'thread_id',
+    array(
+      'description' => t('The {thread}.thread_id for the transaction.'),
+      'type'        => 'int',
+      'unsigned'    => TRUE,
+      'not null'    => TRUE,
+      'default'     => 0,
+    ),
+    array(
+      'foreign keys' => array(
+        'thread' => array(
+          'table'   => 'pm_index',
+          'columns' => array('thread_id' => 'thread_id'),
+        )
+      )
+    )
+  );
+}
-- 
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