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-rw-r--r--activerecord/lib/active_record/tasks/database_tasks.rb2
-rw-r--r--activerecord/lib/active_record/tasks/mysql_database_tasks.rb2
-rw-r--r--activerecord/lib/active_record/tasks/postgresql_database_tasks.rb2
-rw-r--r--activerecord/lib/active_record/tasks/sqlite_database_tasks.rb2
4 files changed, 8 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb
index 3fbfcc9b47..5c6a796857 100644
--- a/activerecord/lib/active_record/tasks/database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/database_tasks.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
module Tasks # :nodoc:
class DatabaseAlreadyExists < StandardError; end # :nodoc:
diff --git a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
index ff6745f7b5..84265aa9e3 100644
--- a/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/mysql_database_tasks.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
module Tasks # :nodoc:
class MySQLDatabaseTasks # :nodoc:
diff --git a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb
index 7f1a768d8b..a2e74efc2b 100644
--- a/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/postgresql_database_tasks.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "tempfile"
module ActiveRecord
diff --git a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
index 01562b21e9..abdd6db64a 100644
--- a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
module Tasks # :nodoc:
class SQLiteDatabaseTasks # :nodoc: