do not inherit directly from ActiveRecord::Migration, use version number

db/migrate/20140109044600_create_pid_generators.rb

@@ -1,4 +1,4 @@
-class CreatePidGenerators < ActiveRecord::Migration
+class CreatePidGenerators < ActiveRecord::Migration[4.2]
   def change
     create_table :pid_generators do |t|
       t.string :namespace

db/migrate/20140320154805_create_users.rb

@@ -1,4 +1,4 @@
-class CreateUsers < ActiveRecord::Migration
+class CreateUsers < ActiveRecord::Migration[4.2]
   def change
     create_table :users do |t|
       t.string :first_name

db/migrate/20140320154810_add_devise_to_users.rb

@@ -1,4 +1,4 @@
-class AddDeviseToUsers < ActiveRecord::Migration
+class AddDeviseToUsers < ActiveRecord::Migration[4.2]
   def change
     change_table(:users) do |t|
       ## Database authenticatable

db/migrate/20140320154820_create_projects.rb

@@ -1,4 +1,4 @@
-class CreateProjects < ActiveRecord::Migration
+class CreateProjects < ActiveRecord::Migration[4.2]
   def change
     create_table :projects do |t|
       t.string :pid

db/migrate/20140320154821_create_project_permissions.rb

@@ -1,4 +1,4 @@
-class CreateProjectPermissions < ActiveRecord::Migration
+class CreateProjectPermissions < ActiveRecord::Migration[4.2]
   def change
     create_table :project_permissions do |t|
       t.references :project, index: true

db/migrate/20140320154822_create_enabled_dynamic_fields.rb

@@ -1,4 +1,4 @@
-class CreateEnabledDynamicFields < ActiveRecord::Migration
+class CreateEnabledDynamicFields < ActiveRecord::Migration[4.2]
   def change
     create_table :enabled_dynamic_fields do |t|
       t.references :project, null: false, index: true

db/migrate/20140320154825_create_digital_object_types.rb

@@ -1,4 +1,4 @@
-class CreateDigitalObjectTypes < ActiveRecord::Migration
+class CreateDigitalObjectTypes < ActiveRecord::Migration[4.2]
   def change
     create_table :digital_object_types do |t|
       t.string :string_key

db/migrate/20140320154830_create_digital_object_records.rb

@@ -1,4 +1,4 @@
-class CreateDigitalObjectRecords < ActiveRecord::Migration
+class CreateDigitalObjectRecords < ActiveRecord::Migration[4.2]
   def change
     create_table :digital_object_records do |t|
       t.string :pid, unique: true

db/migrate/20140320154835_create_xml_datastreams.rb

@@ -1,4 +1,4 @@
-class CreateXmlDatastreams < ActiveRecord::Migration
+class CreateXmlDatastreams < ActiveRecord::Migration[4.2]
   def change
     create_table :xml_datastreams do |t|
       t.string :string_key, unique: true, limit: 64 # Fedora Datastreams have a max length of 64 characters

db/migrate/20140320154840_create_dynamic_field_group_categories.rb

@@ -1,4 +1,4 @@
-class CreateDynamicFieldGroupCategories < ActiveRecord::Migration
+class CreateDynamicFieldGroupCategories < ActiveRecord::Migration[4.2]
   def change
     create_table :dynamic_field_group_categories do |t|
       t.string :display_label, index: true

db/migrate/20140320154845_create_dynamic_field_groups.rb

@@ -1,4 +1,4 @@
-class CreateDynamicFieldGroups < ActiveRecord::Migration
+class CreateDynamicFieldGroups < ActiveRecord::Migration[4.2]
   def change
     create_table :dynamic_field_groups do |t|
       t.string :string_key, index: true, null: false

db/migrate/20140320154850_create_dynamic_fields.rb

@@ -1,4 +1,4 @@
-class CreateDynamicFields < ActiveRecord::Migration
+class CreateDynamicFields < ActiveRecord::Migration[4.2]
   def change
     create_table :dynamic_fields do |t|
       t.string :string_key, index: true, null: false

db/migrate/20141015135200_create_fieldsets.rb

@@ -1,4 +1,4 @@
-class CreateFieldsets < ActiveRecord::Migration
+class CreateFieldsets < ActiveRecord::Migration[4.2]
   def change
     create_table :fieldsets do |t|
       t.string :display_label

db/migrate/20141015135205_create_enabled_dynamic_fields_fieldsets.rb

@@ -1,4 +1,4 @@
-class CreateEnabledDynamicFieldsFieldsets < ActiveRecord::Migration
+class CreateEnabledDynamicFieldsFieldsets < ActiveRecord::Migration[4.2]
   def change
     create_table :enabled_dynamic_fields_fieldsets, id: false do |t|
       t.references :enabled_dynamic_field

db/migrate/20141104010447_create_controlled_vocabularies.rb

@@ -1,4 +1,4 @@
-class CreateControlledVocabularies < ActiveRecord::Migration
+class CreateControlledVocabularies < ActiveRecord::Migration[4.2]
   def change
     create_table :controlled_vocabularies do |t|
       t.string :string_key

db/migrate/20141104010523_create_authorized_terms.rb

@@ -1,4 +1,4 @@
-class CreateAuthorizedTerms < ActiveRecord::Migration
+class CreateAuthorizedTerms < ActiveRecord::Migration[4.2]
   def change
 
     # This entire table will be deleted in the future

db/migrate/20141104010550_create_enabled_publish_targets.rb

@@ -1,4 +1,4 @@
-class CreateEnabledPublishTargets < ActiveRecord::Migration
+class CreateEnabledPublishTargets < ActiveRecord::Migration[4.2]
   def change
     create_table :enabled_publish_targets do |t|
       t.references :project, null: false, index: true

db/migrate/20141104010555_create_publish_targets.rb

@@ -1,4 +1,4 @@
-class CreatePublishTargets < ActiveRecord::Migration
+class CreatePublishTargets < ActiveRecord::Migration[4.2]
   def change
     create_table :publish_targets do |t|
       t.string :pid

db/migrate/20150909213948_add_string_key_to_publish_targets.rb

@@ -1,4 +1,4 @@
-class AddStringKeyToPublishTargets < ActiveRecord::Migration
+class AddStringKeyToPublishTargets < ActiveRecord::Migration[4.2]
   def change
     change_table(:publish_targets) do |t|
       t.string :string_key, null: true

db/migrate/20151007200134_create_import_jobs.rb

@@ -1,4 +1,4 @@
-class CreateImportJobs < ActiveRecord::Migration
+class CreateImportJobs < ActiveRecord::Migration[4.2]
 
   def change
 

db/migrate/20151007200326_create_digital_object_imports.rb

@@ -1,4 +1,4 @@
-class CreateDigitalObjectImports < ActiveRecord::Migration
+class CreateDigitalObjectImports < ActiveRecord::Migration[4.2]
 
   def change
 

db/migrate/20151202164848_create_csv_exports.rb

@@ -1,4 +1,4 @@
-class CreateCsvExports < ActiveRecord::Migration
+class CreateCsvExports < ActiveRecord::Migration[4.2]
   def change
     create_table :csv_exports do |t|
       t.text :search_params

db/migrate/20151223174138_add_requeue_count_to_digital_object_imports.rb

@@ -1,4 +1,4 @@
-class AddRequeueCountToDigitalObjectImports < ActiveRecord::Migration
+class AddRequeueCountToDigitalObjectImports < ActiveRecord::Migration[4.2]
   def change
     add_column :digital_object_imports, :requeue_count, :integer, default: 0, null: false
   end

db/migrate/20151223183540_add_can_publish_to_project_permissions.rb

@@ -1,4 +1,4 @@
-class AddCanPublishToProjectPermissions < ActiveRecord::Migration
+class AddCanPublishToProjectPermissions < ActiveRecord::Migration[4.2]
   def change
     change_table(:project_permissions) do |t|
       t.boolean :can_publish, :null => false, :default => false

db/migrate/20160104162032_remove_xml_datastream_from_dynamic_field_groups.rb

@@ -1,4 +1,4 @@
-class RemoveXmlDatastreamFromDynamicFieldGroups < ActiveRecord::Migration
+class RemoveXmlDatastreamFromDynamicFieldGroups < ActiveRecord::Migration[4.2]
   def change
     change_table :dynamic_field_groups do |t|
       t.remove_references :xml_datastream

db/migrate/20160104172133_change_dynamic_fields_add_controlled_vocabulary_string_key.rb

@@ -1,4 +1,4 @@
-class ChangeDynamicFieldsAddControlledVocabularyStringKey < ActiveRecord::Migration
+class ChangeDynamicFieldsAddControlledVocabularyStringKey < ActiveRecord::Migration[4.2]
   def change
     change_table :dynamic_fields do |t|
       t.remove_references :controlled_vocabulary

db/migrate/20160104181011_change_controlled_vocabularies_remove_unused_fields.rb

@@ -1,4 +1,4 @@
-class ChangeControlledVocabulariesRemoveUnusedFields < ActiveRecord::Migration
+class ChangeControlledVocabulariesRemoveUnusedFields < ActiveRecord::Migration[4.2]
   def change
     change_table :controlled_vocabularies do |t|
       t.remove :pid

db/migrate/20160104192553_drop_authorized_terms.rb

@@ -1,4 +1,4 @@
-class DropAuthorizedTerms < ActiveRecord::Migration
+class DropAuthorizedTerms < ActiveRecord::Migration[4.2]
   def change
     drop_table :authorized_terms
   end

db/migrate/20160113213334_add_duration_and_number_of_records_processed_to_csv_exports.rb

@@ -1,4 +1,4 @@
-class AddDurationAndNumberOfRecordsProcessedToCsvExports < ActiveRecord::Migration
+class AddDurationAndNumberOfRecordsProcessedToCsvExports < ActiveRecord::Migration[4.2]
   def change
     change_table(:csv_exports) do |t|
       t.integer :duration, :null => false, :default => 0

db/migrate/20160114164514_add_csv_row_number_to_digital_object_imports.rb

@@ -1,4 +1,4 @@
-class AddCsvRowNumberToDigitalObjectImports < ActiveRecord::Migration
+class AddCsvRowNumberToDigitalObjectImports < ActiveRecord::Migration[4.2]
   def change
     change_table(:digital_object_imports) do |t|
       t.integer :csv_row_number, null: true

db/migrate/20160205162928_add_uri_to_projects.rb

@@ -1,4 +1,4 @@
-class AddUriToProjects < ActiveRecord::Migration
+class AddUriToProjects < ActiveRecord::Migration[4.2]
   def change
     change_table(:projects) do |t|
       t.text :uri, null: true

db/migrate/20160308172710_add_can_manage_all_controlled_vocabularies_to_users.rb

@@ -1,4 +1,4 @@
-class AddCanManageAllControlledVocabulariesToUsers < ActiveRecord::Migration
+class AddCanManageAllControlledVocabulariesToUsers < ActiveRecord::Migration[4.2]
   def change
     change_table(:users) do |t|
       t.boolean :can_manage_all_controlled_vocabularies, null: false, default: false

db/migrate/20160309172238_add_require_controlled_vocabulary_manager_permission_to_controlled_vocabularies.rb

@@ -1,4 +1,4 @@
-class AddRequireControlledVocabularyManagerPermissionToControlledVocabularies < ActiveRecord::Migration
+class AddRequireControlledVocabularyManagerPermissionToControlledVocabularies < ActiveRecord::Migration[4.2]
   def change
     change_table(:controlled_vocabularies) do |t|
       t.remove :only_managed_by_admins

db/migrate/20160325101222_add_path_to_csv_file_to_import_jobs.rb

@@ -1,4 +1,4 @@
-class AddPathToCsvFileToImportJobs < ActiveRecord::Migration
+class AddPathToCsvFileToImportJobs < ActiveRecord::Migration[4.2]
   def change
     change_table(:import_jobs) do |t|
       t.text :path_to_csv_file

db/migrate/20160921112351_add_short_label_to_projects.rb

@@ -1,4 +1,4 @@
-class AddShortLabelToProjects < ActiveRecord::Migration
+class AddShortLabelToProjects < ActiveRecord::Migration[4.2]
   def change
     change_table(:projects) do |t|
       t.string :short_label, null: true, limit: 255

db/migrate/20161129085455_change_projects_add_enabled_publish_target_pids.rb

@@ -1,4 +1,4 @@
-class ChangeProjectsAddEnabledPublishTargetPids < ActiveRecord::Migration
+class ChangeProjectsAddEnabledPublishTargetPids < ActiveRecord::Migration[4.2]
   def change
     change_table :projects do |t|
       t.text :enabled_publish_target_pids # This will be a serialized Rails array field

db/migrate/20161129085500_change_projects_add_primary_publish_target_pid.rb

@@ -1,4 +1,4 @@
-class ChangeProjectsAddPrimaryPublishTargetPid < ActiveRecord::Migration
+class ChangeProjectsAddPrimaryPublishTargetPid < ActiveRecord::Migration[4.2]
   def change
     change_table :projects do |t|
       t.string :primary_publish_target_pid, null: true

db/migrate/20161130002750_create_core_objects.rb

@@ -1,4 +1,4 @@
-class CreateCoreObjects < ActiveRecord::Migration
+class CreateCoreObjects < ActiveRecord::Migration[4.2]
   def change
     # This no longer does anything.  The logic here has been moved into a rake task.
   end

db/migrate/20161130150016_drop_publish_targets.rb

@@ -1,4 +1,4 @@
-class DropPublishTargets < ActiveRecord::Migration
+class DropPublishTargets < ActiveRecord::Migration[4.2]
   def change
     drop_table :publish_targets
   end

db/migrate/20171110194020_add_prerequisite_csv_row_number_to_digital_object_imports.rb

@@ -1,4 +1,4 @@
-class AddPrerequisiteCsvRowNumberToDigitalObjectImports < ActiveRecord::Migration
+class AddPrerequisiteCsvRowNumberToDigitalObjectImports < ActiveRecord::Migration[4.2]
   def change
     change_table(:digital_object_imports) do |t|
       t.text :prerequisite_csv_row_numbers, null: true

db/migrate/20180122214510_add_first_published_at_to_digital_object_records.rb

@@ -1,4 +1,4 @@
-class AddFirstPublishedAtToDigitalObjectRecords < ActiveRecord::Migration
+class AddFirstPublishedAtToDigitalObjectRecords < ActiveRecord::Migration[4.2]
   def change
     add_column :digital_object_records, :first_published_at, :datetime
   end

db/migrate/20180205120041_add_priority_to_import_jobs.rb

@@ -1,4 +1,4 @@
-class AddPriorityToImportJobs < ActiveRecord::Migration
+class AddPriorityToImportJobs < ActiveRecord::Migration[4.2]
   def change
     change_table(:import_jobs) do |t|
       t.integer :priority, null: false, index: true, default: 0

db/migrate/20180416184857_add_uuid_and_data_file_path_to_digital_object_records.rb

@@ -1,6 +1,6 @@
 require 'securerandom'
 
-class AddUuidAndDataFilePathToDigitalObjectRecords < ActiveRecord::Migration
+class AddUuidAndDataFilePathToDigitalObjectRecords < ActiveRecord::Migration[4.2]
   def change
     change_table(:digital_object_records) do |t|
       t.string :uuid, null: true, length: 36

db/migrate/20180517175521_add_assignments.rb

@@ -1,4 +1,4 @@
-class AddAssignments < ActiveRecord::Migration
+class AddAssignments < ActiveRecord::Migration[4.2]
   def change
     create_table :assignments do |t|
       t.string :digital_object_pid, null: false

db/migrate/20180523182439_add_assignment_blobs.rb

@@ -1,4 +1,4 @@
-class AddAssignmentBlobs < ActiveRecord::Migration
+class AddAssignmentBlobs < ActiveRecord::Migration[4.2]
   def change
     change_table(:assignments) do |t|
       t.text :original

db/migrate/20180612150614_remove_data_file_path_from_digital_object_records.rb

@@ -1,6 +1,6 @@
 require 'securerandom'
 
-class RemoveDataFilePathFromDigitalObjectRecords < ActiveRecord::Migration
+class RemoveDataFilePathFromDigitalObjectRecords < ActiveRecord::Migration[4.2]
   def change
     remove_column :digital_object_records, :data_file_path
   end

db/migrate/20180703183628_add_archived_assignments.rb

@@ -1,4 +1,4 @@
-class AddArchivedAssignments < ActiveRecord::Migration
+class AddArchivedAssignments < ActiveRecord::Migration[4.2]
   def change
     create_table :archived_assignments do |t|
       t.integer :original_assignment_id, null: false

db/migrate/20180705141810_add_assignment_note.rb

@@ -1,4 +1,4 @@
-class AddAssignmentNote < ActiveRecord::Migration
+class AddAssignmentNote < ActiveRecord::Migration[4.2]
   def change
     change_table(:assignments) do |t|
       t.text :note

db/migrate/20181105233434_change_assignments_columns_to_medium_text.rb

@@ -1,4 +1,4 @@
-class ChangeAssignmentsColumnsToMediumText < ActiveRecord::Migration
+class ChangeAssignmentsColumnsToMediumText < ActiveRecord::Migration[4.2]
   def change
     change_column :assignments, :original, :text, limit: 16.megabytes - 1
     change_column :assignments, :proposed, :text, limit: 16.megabytes - 1

db/migrate/20181105234509_change_archived_assignments_columns_to_medium_text.rb

@@ -1,4 +1,4 @@
-class ChangeArchivedAssignmentsColumnsToMediumText < ActiveRecord::Migration
+class ChangeArchivedAssignmentsColumnsToMediumText < ActiveRecord::Migration[4.2]
   def change
     change_column :archived_assignments, :original, :text, limit: 16.megabytes - 1
     change_column :archived_assignments, :proposed, :text, limit: 16.megabytes - 1

db/migrate/20190612145152_add_access_control_metadata_xml_stream.rb

@@ -1,4 +1,4 @@
-class AddAccessControlMetadataXmlStream < ActiveRecord::Migration
+class AddAccessControlMetadataXmlStream < ActiveRecord::Migration[4.2]
   def change
       puts 'Creating authorization XmlDatastream...'
       # Create XmlDatastreams

db/migrate/20230327200000_add_prohibit_temp_terms_to_controlled_vocabularies.rb

@@ -1,4 +1,4 @@
-class AddProhibitTempTermsToControlledVocabularies < ActiveRecord::Migration
+class AddProhibitTempTermsToControlledVocabularies < ActiveRecord::Migration[4.2]
   def change
     change_table(:controlled_vocabularies) do |t|
       t.boolean :prohibit_temp_terms, default: false, null: false

db/migrate/20230814140221_add_perform_derivative_processing_to_digital_object_records.rb

@@ -1,4 +1,4 @@
-class AddPerformDerivativeProcessingToDigitalObjectRecords < ActiveRecord::Migration
+class AddPerformDerivativeProcessingToDigitalObjectRecords < ActiveRecord::Migration[4.2]
   def change
     change_table(:digital_object_records) do |t|
       t.boolean :perform_derivative_processing, null: false, default: false