我有一個表 「knowledgemodel」 [在這裏輸入的形象描述] [1] 我的查詢 SELECT
title, id, @parent:=parent_id as prnt
FROM
(SELECT @parent:=3) a
JOIN
(SELECT * FROM knowledgemodel ORDER BY id DESC) b
where
@WHERE=id
有了這個Postgres的表 CREATE TABLE "TimeRange"
(
"Id" bigint NOT NULL,
"Start" timestamp with time zone NOT NULL,
"End" timestamp with time zone NOT NULL,
CONSTRAINT "TimeRange_pkey" PRIM