SELECT application_chat."id" as chat_id, application_chat.abstract as abstract, application_chat_record_temp.problem_text as problem_text, application_chat_record_temp.answer_text as answer_text, application_chat_record_temp.message_tokens as message_tokens, application_chat_record_temp.answer_tokens as answer_tokens, application_chat_record_temp.run_time as run_time, application_chat_record_temp.details::JSON as details, application_chat_record_temp."index" as "index", application_chat_record_temp.improve_paragraph_list as improve_paragraph_list, application_chat_record_temp.vote_status as vote_status, application_chat_record_temp.create_time as create_time, (CASE WHEN "chat_user".id is NULL THEN application_chat.asker ELSE jsonb_build_object('id',chat_user.id,'user_name',chat_user.username) END)::json AS asker FROM application_chat application_chat left join chat_user chat_user on chat_user.id::varchar = application_chat.chat_user_id LEFT JOIN ( SELECT *, CASE WHEN array_length( application_chat_record.improve_paragraph_id_list, 1 ) IS NULL THEN '{}' ELSE ( SELECT ARRAY_AGG ( row_to_json ( paragraph ) ) FROM paragraph WHERE "id" = ANY ( application_chat_record.improve_paragraph_id_list ) ) END as improve_paragraph_list FROM application_chat_record application_chat_record ) application_chat_record_temp ON application_chat_record_temp.chat_id = application_chat."id" ${default_queryset}