1 files changed, 39 insertions, 0 deletions
diff --git a/db/migrate/20200515153633_iteration_date_range_constraint.rb b/db/migrate/20200515153633_iteration_date_range_constraint.rb
new file mode 100644
index 00000000000..ab197ff8ae7
--- /dev/null
+++ b/db/migrate/20200515153633_iteration_date_range_constraint.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+class IterationDateRangeConstraint < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def up
+    execute <<~SQL
+      ALTER TABLE sprints
+        ADD CONSTRAINT iteration_start_and_due_daterange_project_id_constraint
+        EXCLUDE USING gist
+        ( project_id WITH =,
+          daterange(start_date, due_date, '[]') WITH &&
+        )
+        WHERE (project_id IS NOT NULL)
+    SQL
+
+    execute <<~SQL
+      ALTER TABLE sprints
+        ADD CONSTRAINT iteration_start_and_due_daterange_group_id_constraint
+        EXCLUDE USING gist
+        ( group_id WITH =,
+          daterange(start_date, due_date, '[]') WITH &&
+        )
+        WHERE (group_id IS NOT NULL)
+    SQL
+  end
+
+  def down
+    execute <<~SQL
+      ALTER TABLE sprints
+        DROP CONSTRAINT IF EXISTS iteration_start_and_due_daterange_project_id_constraint
+    SQL
+
+    execute <<~SQL
+      ALTER TABLE sprints
+        DROP CONSTRAINT IF EXISTS iteration_start_and_due_daterange_group_id_constraint
+    SQL
+  end
+end