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-rw-r--r--activerecord/lib/rails/generators/active_record/migration/migration_generator.rb13
1 files changed, 8 insertions, 5 deletions
diff --git a/activerecord/lib/rails/generators/active_record/migration/migration_generator.rb b/activerecord/lib/rails/generators/active_record/migration/migration_generator.rb
index d3c853cfea..4e5872b585 100644
--- a/activerecord/lib/rails/generators/active_record/migration/migration_generator.rb
+++ b/activerecord/lib/rails/generators/active_record/migration/migration_generator.rb
@@ -5,6 +5,8 @@ module ActiveRecord
class MigrationGenerator < Base # :nodoc:
argument :attributes, :type => :array, :default => [], :banner => "field[:type][:index] field[:type][:index]"
+ class_option :primary_key_type, type: :string, desc: "The type for primary key"
+
def create_migration_file
set_local_assigns!
validate_file_name!
@@ -14,10 +16,9 @@ module ActiveRecord
protected
attr_reader :migration_action, :join_tables
- # sets the default migration template that is being used for the generation of the migration
- # depending on the arguments which would be sent out in the command line, the migration template
- # and the table name instance variables are setup.
-
+ # Sets the default migration template that is being used for the generation of the migration.
+ # Depending on command line arguments, the migration template and the table name instance
+ # variables are set up.
def set_local_assigns!
@migration_template = "migration.rb"
case file_name
@@ -55,7 +56,9 @@ module ActiveRecord
def attributes_with_index
attributes.select { |a| !a.reference? && a.has_index? }
end
-
+
+ # A migration file name can only contain underscores (_), lowercase characters,
+ # and numbers 0-9. Any other file name will raise an IllegalMigrationNameError.
def validate_file_name!
unless file_name =~ /^[_a-z0-9]+$/
raise IllegalMigrationNameError.new(file_name)