Grzegorz Bizon
--- a/spec/lib/gitlab/database/migration_helpers_spec.rb
+++ b/spec/lib/gitlab/database/migration_helpers_spec.rb

 describe Gitlab::Database::MigrationHelpers, lib: true do
 let(:model) do
-   Class.new do
-     include Gitlab::Database::MigrationHelpers
-
-     def method_missing(name, *args, &block)
-       ActiveRecord::Base.connection.send(name, *args, &block)
-     end
-   end.new
+   ActiveRecord::Migration.new.extend(
+     Gitlab::Database::MigrationHelpers
+   )
 end

+ before { allow(model).to receive(:puts) }
--- a/lib/gitlab/database/migration_helpers.rb
+++ b/lib/gitlab/database/migration_helpers.rb
     def update_column_in_batches(table, column, value)
       quoted_table = quote_table_name(table)
       quoted_column = quote_column_name(column)
-       quoted_value = quote(value)
+
+       ##
+       # Workaround for #17711
+       #
+       # It looks like for MySQL `ActiveRecord::Base.conntection.quote(true)`