undefined $primary_field

libraries/blobstreaming.lib.php

@@ -473,4 +473,35 @@ function PMA_BS_getURL($reference)
     $bs_url = 'http://' . $bs_server . '/' . rtrim($reference);
     return $bs_url;
 }
+
+/**
+ * returns the field name for a primary key of a given table in a given database
+ *
+ * @access  public
+ * @param   string - database name
+ * @param   string - table name
+ * @uses    PMA_DBI_select_db()
+ * @uses    PMA_backquote()
+ * @uses    PMA_DBI_query()
+ * @uses    PMA_DBI_fetch_assoc()
+ * @return  string - field name for primary key
+*/
+function PMA_BS_GetPrimaryField($db_name, $tbl_name)
+{
+    // select specified database
+    PMA_DBI_select_db($db_name);
+
+    // retrieve table fields
+    $query = "SHOW FULL FIELDS FROM " . PMA_backquote($tbl_name);
+    $result = PMA_DBI_query($query);
+
+    // while there are records to parse
+    while ($data = PMA_DBI_fetch_assoc($result)) {
+        if ("PRI" == $data['Key']) {
+            return $data['Field'];
+        }
+    }
+    // return NULL on no primary key
+    return NULL;
+}
 ?>

tbl_replace.php

@@ -210,6 +210,10 @@ foreach ($loop_array as $rowcount => $where_clause) {
         ? $_REQUEST['auto_increment']['multi_edit'][$rowcount]
         : null;
 
+    if ($blob_streaming_active) {
+        $primary_field = PMA_BS_GetPrimaryField($GLOBALS['db'], $GLOBALS['table']);
+    }
+
     // Fetch the current values of a row to use in case we have a protected field
     // @todo possibly move to ./libraries/tbl_replace_fields.inc.php
     if ($is_insert && $using_key && isset($me_fields_type) && is_array($me_fields_type) && isset($where_clause)) {