SAP HANA:XS Job

5.SAP HANA XS Job

XS Job:定义重复执行的后台定期任务；

例如定时执行数据更新到Table的操作，需要使用到XS Job;

SAP HANA XS Setting up Scheduled jobs steps:

Step	Task	User Role	Tool
1	Create the function or script or procedure you want to run at regular intervals	Application developer	Text editor
2	Create the job file .xsjob that defines details of the recurring task	Application developer	Text editor
3	Maintain the corresponding runtime configuration for the xsjob	SAP HANA administrator	XS Job Dashboard
4	Enable the job-scheduling feature in SAP HANA XS	SAP HANA administrator	XS Job Dashboard
5	Check the job logs to ensure the job is running according to schedule.	SAP HANA administrator	XS Job Dashboard

 

文件.xsjob中，

“description”：表示XS Job描述；

“action”：表示XS Job执行内容；

“schedules”:表示排程内容；

“schedules”的值为列表，表示可以配置多个排程信息；

“schedules”下:

“description”:表示schedule描述；

“xscron”:表示schedule运行时间；“parameter”:表示schedule执行需要参数；

实例代码：

{

    "description": "Call Procedure xxx",

    "action": "procedure name or SQL",

    "schedules": [

       {

          "description": "procedure xxx",

          "xscron": "* * * * * * 59",

          "parameter": {

          }

       }

    ]

}

“xscron”:从左到右*号表示含义；

xscron Field (* from left to right)	Meaning and Permitted Value
Year	4-digit, for example, 2013
Month	1 to 12
Day	-31 to 31
DayofWeek	mon,tue,wed,thu,fri,sat,sun
Hour	0 to 23
Minute	0 to 59
Second	0 to 59

 

 

 

 

 

 

 

 

 

 

 

 

 

 

配置示例：

1.2009 11 1  * 13 30 40

2009年11月1日 13点30分40秒执行;

2.* * -3 * 13 * 40

每个月倒数第三天，13点40秒执行；

3.* * 15:-2 * * 30 40

每个月15号到本月倒数第二天期间，每30分钟40秒执行一次；

4.* * * mon,tue,fri 13 * 40

每周一，二，五，13点40秒执行；

5.* * * * * */5 30

每隔5分钟第30秒执行一次；

 

参考链接:

https://help.sap.com/docs/SAP_HANA_PLATFORM/d89d4595fae647eabc14002c0340a999/15e72de0ed4a4ce1aa1ad7483dbe6b37.html?locale=en-US