MySQL创建视图和Union all的使用案例

    xiaoxiao2023-08-23  152

     CREATE VIEW netcheck.cpu_mp AS (SELECT  cpu.ID AS id,  cpu.chanel_name AS chanel_name,  cpu.first_channel AS first_channel,  cpu.IMG_Url AS IMG_Url,  cpu.lastModifyTime AS lastModifyTime,  cpu.second_channel AS second_channel,  cpu.SHOW_TIME AS SHOW_TIME,  cpu.TASK_Id AS TASK_Id,  cpu.TITLE AS TITLE,  cpu.URL AS URL,  cpu.checkSysTaskId AS checkSysTaskId,  cpu.innerUUID AS innerUUID,  cpu.isReject AS isReject,  cpu.scanTime AS scanTime FROM channel_page_update_result cpu )  UNION ALL (SELECT   mp.id AS id,   '' AS chanel_name,   '' AS first_channel,   '' AS second_channel,   '' AS TITLE,   mp.imgUrl AS IMG_Url   ,mp.lastModifyTime AS lastModifyTime,   mp.showTime AS SHOW_TIME,   mp.taskId AS TASK_Id,   mp.url AS URL,   mp.checkSysTaskId AS checkSysTaskId,   mp.innerUUID AS innerUUID,   mp.isReject AS isReject,   mp.scanTime AS scanTime FROM mainpageupdateresult mp );
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