存储过程中缺少分号错误 mysql workbench

Question

嗨，我是 mysql 的新手，正在尝试通过存储的 procedure.I 更新 table 时出现“缺少分号 error.I 尝试了所有方法，但我无法做到明白为什么会这样。

程序：

DROP PROCEDURE IF EXISTS abc;
use smartdata;
DELIMITER $$

CREATE PROCEDURE abc(IN datasourceId int)
begin

        update DM_Sample_Search_Param_Disposition_Type set DM_Sample_Search_Param_Disposition_Type.Active = 0
        From DM_Sample_Search_Param_Disposition_Type dm_ss_param_cl
        left join DM_Sample_Search_Param dm_ss_param on dm_ss_param_cl.DM_Sample_Search_Param_id =dm_ss_param.DM_Sample_Search_Param_id
        left join DM_Sample_Store dm_ss on dm_ss.DM_Sample_Store_Id=dm_ss_param.DM_Sample_Store_Id
        where dm_ss.Datasource_Id=datasourceId;

end $$
DELIMITER //

下一行附近出错：

set DM_Sample_Search_Param_Disposition_Type.Active = 0

其中 "Active" 在 table.Please 帮助中是 tinyint

Answer 1

MySQL 使用与 MSSQL 不同的更新语法：update ... join .. set ... where ...

update DM_Sample_Search_Param_Disposition_Type dm_ss_param_cl
left join DM_Sample_Search_Param dm_ss_param on dm_ss_param_cl.DM_Sample_Search_Param_id =dm_ss_param.DM_Sample_Search_Param_id
left join DM_Sample_Store dm_ss on dm_ss.DM_Sample_Store_Id=dm_ss_param.DM_Sample_Store_Id
set DM_Sample_Search_Param_Disposition_Type.Active = 0
where dm_ss.Datasource_Id=datasourceId;

Answer 2

加入错误 table 语法

update DM_Sample_Search_Param_Disposition_Type as dm_ss_param_cl
left join DM_Sample_Search_Param dm_ss_param on dm_ss_param_cl.DM_Sample_Search_Param_id =dm_ss_param.DM_Sample_Search_Param_id
left join DM_Sample_Store dm_ss on dm_ss.DM_Sample_Store_Id=dm_ss_param.DM_Sample_Store_Id
set DM_Sample_Search_Param_Disposition_Type.Active = 0
where dm_ss.Datasource_Id=datasourceId;

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