def each &block
    sql, *binds = SQLHelper.select(
        :prepared => true,
        :table    => name,
        :project  => @query_select,
        :where    => @query_where,
        :order    => @query_order,
        :limit    => @query_limit)
    pstmt = prepare :select, sql
    pstmt.enumerate(*binds, &block)
  end
def each &block
    sql, *binds = SQLHelper.select(
        :prepared => true,
        :table    => name,
        :project  => @query_select,
        :where    => @query_where,
        :order    => @query_order,
        :limit    => @query_limit)
    pstmt = prepare :select, sql
    pstmt.enumerate(*binds, &block)
  end
Executes a select SQL for the table and returns an Enumerable object,
 or yields each row if block is given.
 @return [JDBCHelper::Connection::ResultSet]
 @since 0.4.0