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关于SAP BW LO Extraction - Global Setting

原创 Linux操作系统 作者:leniz 时间:2011-05-07 15:19:59 0 删除 编辑

这个是从SAP Help里面直接抓过来的。   数据抽取一直是自己比较弱得地方,可能也是受限于工作吧。 要加强。

Global Settings

For the transferal of line items from Financial Accounting, important global settings can be made in the SAP R/3 system in table BWOM_SETTINGS. For this purpose, change the table using transaction SE16 (table maintenance).

OLTPSOURCE

PARAM_NAME

PARAM_VALUE

Default Value

BWFILOWLIM

YYYYMMDD

19910101

BWFISAFETY

1

ORGSYSONLY

or X

DELTIMEST

60

BWFIOVERLA

or X

BWFITIMBOR

020000

  • BWFILOWLIM

Here, you can set the lower time limit of the time stamp selection for data requests in update mode initialization of the delta method. Together with the selection criteria, this parameter is a decisive factor for the data volume with data requests in update mode initialization of the delta method.

设置数据抓取的起始单据创建时间,系统默认1991年1月1日,够了。

  • BWFISAFETY

Here, you can the upper time limit of the time stamp selection for data requests in all update modes. Value 1 in this parameter means that the upper time limit of the time stamp selection is the previous day. With larger parameter values, the upper limit of the time stamp selection is correspondingly further (in days) in the past.

Note that you cannot choose a parameter value cannot be smaller than 1, as this would prevent the delta dataset being found completely.

简单讲,就是今天抓数据,选择单据创建日期时,需要往前推几天,这个好理解,因为你选择今天,除非是当晚最后一秒,否则极有可能掉单,保险起见,选今天之前的吧。 1即往前一天,N即N天。

系统不允许设置小于1的值。

  • ORGSYSONLY

If you SAP R/3 system is part of an ALE scenario, set this parameter to X. This ensures that only those line items that were originally posted to the BW system will be transferred there from the SAP R/3 system. This prevents line items being transferred several times from various SAP R/3 system.

没看明白,求救。

  • DELTIMEST

With this parameter, you can set the retention period of entries that are no longer required in time stamp table BWOM2_TIMEST. The default setting for deletion of entries that are no longer required in the time stamp table is 60 days. The minimum retention period for entries in the time stamp table is 15 days. When entries are deleted from table BWOM2_TIMEST, the corresponding entries for the changed FI line items are deleted simultaneously from log table BWFI_AEDAT.

因为数据抽取都会留有时间戳日志,保留几天的设定。

  • BWFIOVERLA

The logic of this parameter prevents records with the previous day as their CPU date from still being in the update at the time of extraction.

    • If X is set for this parameter, selection is made up to the previous day if the time limit is not reached.
    • If is selected for this parameter, selection is made up to the day before the previous day if the time limit is not reached.

          就是数据在抽的过程中, 过了12点,如果选择X,并且没有到受限时间,则时间范围把执行天也加进来。如果留空,并且没有导受限时间,则时间范围还是界定在前天。

  • BWFITIMBOR

This parameter designates 02.00 (2 A.M.) as the time limit for extraction. If this limit is not reached, the system applies a safety time interval of one day for determination of the to-value. If extraction is started before 02:00 therefore, the selection takes place only up to the day before the extraction run.

设定受限时间。

Changing the default value is not  recommended.

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