"SELECT station, health_level as healthlevel,( CASE health_level WHEN '危险' THEN 4 WHEN '警告' THEN 3 WHEN '注意' THEN 2 ELSE 1 END ) AS sort, count( 1 ) AS `value` FROM analysis_data.pv_health_index_day WHERE analysis_obj_type = #{analysisObjType} AND ts >= TODAY()-8h"+
"<if test='station!= null'>AND station = #{station} </if>"+