Class ActiveRecord::SchemaMigration < ActiveRecord::Base

# File activerecord/lib/active_record/schema_migration.rb, line 19
def self.create_table(limit=nil)
  unless connection.table_exists?(table_name)
    version_options = {null: false}
    version_options[:limit] = limit if limit

    connection.create_table(table_name, id: false) do |t|
      t.column :version, :string, version_options
    end
    connection.add_index table_name, :version, unique: true, name: index_name
  end
end

# File activerecord/lib/active_record/schema_migration.rb, line 31
def self.drop_table
  if connection.table_exists?(table_name)
    connection.remove_index table_name, name: index_name
    connection.drop_table(table_name)
  end
end

# File activerecord/lib/active_record/schema_migration.rb, line 15
def self.index_name
  "#{Base.table_name_prefix}unique_schema_migrations#{Base.table_name_suffix}"
end

# File activerecord/lib/active_record/schema_migration.rb, line 38
def self.normalize_migration_number(number)
  "%.3d" % number.to_i
end

# File activerecord/lib/active_record/schema_migration.rb, line 7
def self.primary_key
  nil
end

# File activerecord/lib/active_record/schema_migration.rb, line 11
def self.table_name
  "#{Base.table_name_prefix}schema_migrations#{Base.table_name_suffix}"
end

# File activerecord/lib/active_record/schema_migration.rb, line 42
def version
  super.to_i
end