Merge pull request #8256 from krauselukas/issue_8143

Add data migration for attribute default values.

src/api/db/data/20190902110039_add_attribute_default_values.rb

@@ -0,0 +1,16 @@
+class AddAttributeDefaultValues < ActiveRecord::Migration[5.2]
+  def up
+    ans = AttribNamespace.where(name: 'OBS').first
+    return unless ans
+
+    at = ans.attrib_types.where(name: 'QualityCategory').first
+    at.default_values.where(value: 'Development', position: 1).first_or_create if at
+
+    at = ans.attrib_types.where(name: 'MaintenanceIdTemplate').first
+    at.default_values.where(value: '%Y-%C', position: 1).first_or_create if at
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end

src/api/db/data_schema.rb

@@ -1,2 +1,2 @@
 # encoding: UTF-8
-DataMigrate::Data.define(version: 20190228170655)
+DataMigrate::Data.define(version: 20190902110039)