initialize_schema_migrations_table

# File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 41
      def initialize_schema_migrations_table
        if charset == 'utf8mb4'
          ActiveRecord::SchemaMigration.create_table(MAX_INDEX_LENGTH_FOR_UTF8MB4)
        else
          ActiveRecord::SchemaMigration.create_table
        end
      end