Oracle数据库sql 列转字符串行函数WMSYS.WM_CONCAT，
例.select TO_CHAR(WMSYS.WM_CONCAT(ID)) from patrol_data_content where patrol_unit_id = '1628D189543B441C998EA1F396E611BD'
例.select TO_CHAR(WMSYS.WM_CONCAT(ID)) from patrol_data_content where patrol_unit_id = '1628D189543B441C998EA1F396E611BD'
