perf: Slow dialogue log query (#3016)

Author: shaohuzhang1

apps/application/serializers/chat_serializers.py

@@ -174,7 +174,14 @@ def get_query_set(self, select_ids=None):
                 condition = base_condition & min_trample_query
             else:
                 condition = base_condition
-            return query_set.filter(condition).order_by("-application_chat.update_time")
+            inner_queryset = QuerySet(Chat).filter(application_id=self.data.get("application_id"))
+            if 'abstract' in self.data and self.data.get('abstract') is not None:
+                inner_queryset = inner_queryset.filter(abstract__icontains=self.data.get('abstract'))
+
+            return {
+                'inner_queryset': inner_queryset,
+                'default_queryset': query_set.filter(condition).order_by("-application_chat.update_time")
+            }
 
         def list(self, with_valid=True):
             if with_valid:

apps/application/sql/list_application_chat.sql

@@ -11,6 +11,9 @@ FROM
 		chat_id
 	FROM
 		application_chat_record
+	WHERE chat_id IN (
+	  SELECT id FROM application_chat ${inner_queryset})
 	GROUP BY
 	application_chat_record.chat_id
-	) chat_record_temp ON application_chat."id" = chat_record_temp.chat_id
+	) chat_record_temp ON application_chat."id" = chat_record_temp.chat_id
+${default_queryset}