1 files changed, 17 insertions, 0 deletions
diff --git a/spec/lib/gitlab/database/median_spec.rb b/spec/lib/gitlab/database/median_spec.rb
new file mode 100644
index 00000000000..1b5e30089ce
--- /dev/null
+++ b/spec/lib/gitlab/database/median_spec.rb
@@ -0,0 +1,17 @@
+require 'spec_helper'
+
+describe Gitlab::Database::Median do
+  let(:dummy_class) do
+    Class.new do
+      include Gitlab::Database::Median
+    end
+  end
+
+  subject(:median) { dummy_class.new }
+
+  describe '#median_datetimes' do
+    it 'raises NotSupportedError', :mysql do
+      expect { median.median_datetimes(nil, nil, nil, :project_id) }.to raise_error(dummy_class::NotSupportedError, "partition_column is not supported for MySQL")
+    end
+  end
+end