Index: term_fields.module
===================================================================
--- term_fields.module	(revision 1593)
+++ term_fields.module	(working copy)
@@ -731,6 +731,38 @@
   }
 }
 
+/**
+ * Function returns db field configuratin
+ *
+ * @param string $type type of term field
+ * @return array
+ *
+ */
+function term_fields_get_db_conf($type) {
+   $result = array();
+  // Determine which data type to use for the new column.
+  switch ($type) {
+    case 'checkbox':
+      $result = array('type' => 'int', 'size' => 'tiny', 'default' => 0);
+      break;
+    case 'textfield':
+    case 'textarea':
+    case 'select':
+      $result = array('type' => 'text', 'size' => 'big');
+      break;
+
+    case 'numeric':
+    case 'file':
+      $result = array('type' => 'int');
+      break;
+
+    case 'date':
+      $result = array('type' => 'datetime');
+      break;
+  }
+  return $result;
+}
+
 function term_fields_get_children($tid, $vid = 0, $key = 'tid') {
   $children = taxonomy_get_children($tid, $vid, $key);
   $result = array();
@@ -738,4 +770,14 @@
     $result[] = term_fields_get_term($child->$key);
   }
   return $result;
+}
+
+/**
+ * Implementation hook_schema_alter()
+ */
+function term_fields_schema_alter(&$schema) {
+  $fields = term_fields_get_rows();
+  foreach ($fields as $field) {
+    $schema['term_fields_term']['fields'][$field->fid] = term_fields_get_db_conf($field->type);
+  }
 }
\ No newline at end of file
Index: term_fields.admin.inc
===================================================================
--- term_fields.admin.inc	(revision 1593)
+++ term_fields.admin.inc	(working copy)
@@ -130,27 +130,8 @@
 
   $values['fid'] = strtolower($values['fid']);
 
-  // Determine which data type to use for the new column.
-  switch ($values['type']) {
-    case 'checkbox':
-      $spec = array('type' => 'int', 'size' => 'tiny', 'default' => 0);
-      break;
-    case 'textfield':
-    case 'textarea':
-    case 'select':
-      $spec = array('type' => 'text', 'size' => 'big');
-      break;
+  $spec = term_fields_get_db_conf($values['type']);
 
-    case 'numeric':
-    case 'file':
-      $spec = array('type' => 'int');
-      break;
-
-    case 'date':
-      $spec = array('type' => 'datetime');
-      break;
-  }
-
   // Success
   drupal_set_message(t('The field %title (%fid) has been created.', array('%title' => $values['title'], '%fid' => $values['fid'])));