讨论

web/src/main/resources/sql/jlw/teacherOpenCourseChatLog.md

@@ -4,13 +4,11 @@ queryByCondition
 
   select
   @pageTag(){
-  t.*
-    @if(!isEmpty(teacherOpenCourseChatLogParentId)){
-      ,(select count(1) from teacher_open_course_chat_log a 
-        where a.teacher_open_course_chat_log_status = 1 
-          and teacher_open_course_chat_log_parent_id = #teacherOpenCourseChatLogId#
-        ) as comment_count
-    @}
+  t.*,
+  ifnull((select count(1) from teacher_open_course_chat_log a
+  where a.teacher_open_course_chat_log_status = 1
+  and a.teacher_open_course_chat_log_parent_id = t.teacher_open_course_chat_log_id
+  ), 0) as comment_count
   @}
   from teacher_open_course_chat_log t
   where 1=1