访客签离sql优化

dcsoft-modules/dcsoft-system/src/main/resources/mapper/system/visitor/VisitorMapper.xml

@@ -707,10 +707,9 @@
     <select id="queryVisitorUnsigned" resultType="com.dcsoft.system.visitor.domain.Visitor">
         select id, name, phone, idcard
         from vis_visitor
-        where 1 = 1
-          and out_time is null
-          and in_time is not null
-        order by create_time desc
+        where (out_time is null
+            and in_time is not null) or (in_time <![CDATA[ > ]]> out_time)
+        order by in_time desc
     </select>
     <select id="queryVisCheckCodeById" resultType="com.dcsoft.system.visitor.domain.CheckCodeVo">
         select id, code, start_time startTime, end_time endTime