diff --git a/db/migrate/20110123210746_alter_string_colums.rb b/db/migrate/20110123210746_alter_string_colums.rb
new file mode 100644
index 000000000..895c98438
--- /dev/null
+++ b/db/migrate/20110123210746_alter_string_colums.rb
@@ -0,0 +1,37 @@
+class AlterStringColumns < ActiveRecord::Migration
+    # This alters the tables to avoid a mysql bug
+    # See http://bugs.joindiaspora.com/issues/835
+    def self.up
+        remove_index :profiles, :column => [:first_name, :searchable]
+        remove_index :profiles, :column => [:last_name, :searchable]
+        remove_index :profiles, :column => [:first_name, :last_name, :searchable]
+        change_column(:profiles, :first_name, :string, :limit => 127)
+        change_column(:profiles, :last_name, :string, :limit => 127)
+        add_index :profiles, [:first_name, :searchable]
+        add_index :profiles, [:last_name, :searchable]
+        add_index :profiles, [:first_name, :last_name, :searchable]
+
+        remove_index :mongo_notifications, :column => [:target_type, :target_mongo_id]
+        change_column(:mongo_notifications, :target_type, :string, :limit => 127)
+        change_column(:mongo_notifications, :target_mongo_id, :string, :limit => 127)
+        add_index :mongo_notifications, [:target_type, :target_mongo_id]
+
+        remove_index :mongo_profiles, :column => [:first_name, :searchable]
+        remove_index :mongo_profiles, :column => [:last_name, :searchable]
+        remove_index :mongo_profiles, :column => [:first_name, :last_name, :searchable]
+        change_column(:mongo_profiles, :first_name, :string, :limit => 127)
+        change_column(:mongo_profiles, :last_name, :string, :limit => 127)
+        add_index :mongo_profiles, [:first_name, :searchable]
+        add_index :mongo_profiles, [:last_name, :searchable]
+        add_index :mongo_profiles, [:first_name, :last_name, :searchable]
+
+        remove_index :mongo_requests, :column => :sender_mongo_id
+        remove_index :mongo_requests, :column => :recipient_mongo_id
+        remove_index :mongo_requests, :column => [:sender_mongo_id, :recipient_mongo_id]
+        change_column(:mongo_requests, :sender_mongo_id, :string, :limit => 127)
+        change_column(:mongo_requests, :recipient_mongo_id, :string, :limit => 127)
+        add_index :mongo_requests, :sender_mongo_id
+        add_index :mongo_requests, :recipient_mongo_id
+        add_index :mongo_requests, [:sender_mongo_id, :recipient_mongo_id], :unique => true
+    end
+end