instance method table_structure_sql

# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 885
        def table_structure_sql(table_name, column_names = nil)
          unless column_names
            column_info = table_info(table_name)
            column_names = column_info.map { |column| column["name"] }
          end

          sql = <<~SQL
            SELECT sql FROM
              (SELECT * FROM sqlite_master UNION ALL
               SELECT * FROM sqlite_temp_master)
            WHERE type = 'table' AND name = #{quote(table_name)}
          SQL

          split_table_structure_sql(query_value(sql), column_names)
        end