Optimized index truncation to avoid name collisions.

horde · Feb 24, 2014 · fd6c07d · fd6c07d
1 parent 401739a
commit fd6c07d
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/framework/Db/lib/Horde/Db/Adapter/Oracle/Schema.php b/framework/Db/lib/Horde/Db/Adapter/Oracle/Schema.php
@@ -702,7 +702,13 @@ public function removeIndex($tableName, $options = array())
     public function indexName($tableName, $options = array())
     {
         $index = parent::indexName($tableName, $options);
-        return $this->_truncateTo30($index);
+        if (strlen($index) <= 30) {
+            return $index;
+        }
+        if (isset($options['name']) && $index == $options['name']) {
+            return $this->_truncate($index);
+        }
+        return substr('ind_' . $this->_truncate($tableName, 15) . '_' . hash('crc32', $index), 0, 30);
     }
 
     /**