2023年3月3日 18:46:08go评论70阅读模式

英文:

Query for apha field using string literal

问题

使用字符串文字来查询表格，如果表格中的原始值与字符串文字中使用的值不同，该怎么办？

我创建了一个名为 Z 表的表格，使用 MATNR 和其他 2 个字段作为主键。在一个虚拟程序中，我使用以下代码向表格中填充了 4 行数据。

delete from z_test_db.
data ls_tab type z_test_db.
data now type timestamp.

get time stamp field now.
ls_tab = value #( matnr = &#39;4711&#39; vorne = 0010 terminal = &#39;AAA&#39; etkpgm = &#39;XXX&#39; drucker = &#39;MO-ED-01&#39; voretkm = 1 etkcopy = 1 eruser = sy-uname ertime = now aeuser = &#39;&#39; aetime = 0 kzaktv = &#39;X&#39; kzaaeu = &#39;&#39; kzaaet = 0 ).
insert z_test_db from ls_tab.

get time stamp field now.
ls_tab = value #( matnr = &#39;4712&#39; vorne = 0010 terminal = &#39;AAA&#39; etkpgm = &#39;XXX&#39; drucker = &#39;MO-ED-01&#39; voretkm = 1 etkcopy = 1 eruser = sy-uname ertime = now aeuser = &#39;&#39; aetime = 0 kzaktv = &#39;X&#39; kzaaeu = &#39;&#39; kzaaet = 0 ).
insert z_test_db from ls_tab.

get time stamp field now.
ls_tab = value #( matnr = &#39;4711&#39; vorne = 0010 terminal = &#39;BBB&#39; etkpgm = &#39;XXX&#39; drucker = &#39;MO-ED-01&#39; voretkm = 1 etkcopy = 1 eruser = sy-uname ertime = now aeuser = &#39;&#39; aetime = 0 kzaktv = &#39;X&#39; kzaaeu = &#39;&#39; kzaaet = 0 ).
insert z_test_db from ls_tab.

get time stamp field now.
ls_tab = value #( matnr = &#39;4712&#39; vorne = 0010 terminal = &#39;BBB&#39; etkpgm = &#39;XXX&#39; drucker = &#39;MO-ED-01&#39; voretkm = 1 etkcopy = 1 eruser = sy-uname ertime = now aeuser = &#39;&#39; aetime = 0 kzaktv = &#39;X&#39; kzaaeu = &#39;&#39; kzaaet = 0 ).
insert z_test_db from ls_tab.

这些代码用于创建虚拟行。当我查询该表格以获取 MATNR = '4711' 时，可以正常工作，但一旦我使用该值查询 MARA 表，却没有返回任何行。我发现这是由于 MARA 表内部存储值的方式不同。如果我在 SE16N 中打开 MARA 表，可以看到原始值看起来像 '000000000000004711'，但向用户显示为 '4711'。

英文:

How can I use string literal to query tables if the raw value in the table is different from the value I use in the string literal?

I made a Z table that uses MATNR and 2 other fields as primary keys. In a dummy programm I filled the table with 4 rows using this code

delete from z_test_db.
data ls_tab type z_test_db.
data now type timestamp.
get time stamp field now.
ls_tab = value #( matnr = &#39;4711&#39; vorne = 0010 terminal = &#39;AAA&#39; etkpgm = &#39;XXX&#39; drucker = &#39;MO-ED-01&#39; voretkm = 1 etkcopy = 1 eruser = sy-uname ertime = now aeuser = &#39;&#39; aetime = 0 kzaktv = &#39;X&#39; kzaaeu = &#39;&#39; kzaaet = 0 ).
insert z_test_db from ls_tab.
get time stamp field now.
ls_tab = value #( matnr = &#39;4712&#39; vorne = 0010 terminal = &#39;AAA&#39; etkpgm = &#39;XXX&#39; drucker = &#39;MO-ED-01&#39; voretkm = 1 etkcopy = 1 eruser = sy-uname ertime = now aeuser = &#39;&#39; aetime = 0 kzaktv = &#39;X&#39; kzaaeu = &#39;&#39; kzaaet = 0 ).
insert z_test_db from ls_tab.
get time stamp field now.
ls_tab = value #( matnr = &#39;4711&#39; vorne = 0010 terminal = &#39;BBB&#39; etkpgm = &#39;XXX&#39; drucker = &#39;MO-ED-01&#39; voretkm = 1 etkcopy = 1 eruser = sy-uname ertime = now aeuser = &#39;&#39; aetime = 0 kzaktv = &#39;X&#39; kzaaeu = &#39;&#39; kzaaet = 0 ).
insert z_test_db from ls_tab.
get time stamp field now.
ls_tab = value #( matnr = &#39;4712&#39; vorne = 0010 terminal = &#39;BBB&#39; etkpgm = &#39;XXX&#39; drucker = &#39;MO-ED-01&#39; voretkm = 1 etkcopy = 1 eruser = sy-uname ertime = now aeuser = &#39;&#39; aetime = 0 kzaktv = &#39;X&#39; kzaaeu = &#39;&#39; kzaaet = 0 ).
insert z_test_db from ls_tab.

to create some dummy rows.

When I query that table for MATNR = '4711' it works but as soon as I use that value to query MARA there are no rows returned. I found out this is due to how MARA stores the value internally. If I open MARA in SE16N I can see that the value looks like '000000000000004711' in raw but gets displayed as '4711' to the user.

答案1

得分: 2

The domain MATNR uses the conversion routine MATN1, and it works as follows:

Input value from screen to DB

如果您从屏幕输入字段（例如：MM01），则会在写入数据库之前自动应用函数 CONVERSION_EXIT_MATN1_INPUT，将 4711 转换为 000000000000004711。

Output value from DB to screen

当从数据库读取并显示屏幕上的 MATNR 字段时，将自动调用函数 CONVERSION_EXIT_MATN1_OUTPUT，显示值 4711 而不是内部格式 000000000000004711。

简而言之：屏幕上显示的 MATNR 为 4711，但将其写入数据库表时为 000000000000004711。

在您的情况下

您将值 4711 插入数据库，而没有使用 MATN1 例程。因此，您在 MARA 中找不到匹配的值：Z_TEST_DB 中的值为 4711，而 MARA 中的值为 000000000000004711。

尝试使用以下代码修复：

data lv_matnr type matnr.

ls_tab = value #( matnr = '4711' vorne = 0010 terminal = 'AAA' etkpgm = 'XXX' drucker = 'MO-ED-01' voretkm = 1 etkcopy = 1 eruser = sy-uname ertime = now aeuser = '' aetime = 0 kzaktv = 'X' kzaaeu = '' kzaaet = 0 ).

call function 'CONVERSION_EXIT_MATN1_INPUT'
  exporting
    input        = ls_tab-matnr
  importing
    output       = ls_tab-matnr
  exceptions
    length_error = 1
    others       = 2.

这将把 MATNR 转换为 000000000000004711，然后您将能够在 MARA 中找到与之相关的链接。

英文:

The domain MATNR uses the conversion routine MATN1 and it works like this:

Input value from screen to DB

If you input the field from a screen (eg: MM01) the function CONVERSION_EXIT_MATN1_INPUT is automatically applied before writing in DB converting 4711 into 000000000000004711

Output value from DB to screen

When the MATNR field is read from DB and displayed on the screen, the function CONVERSION_EXIT_MATN1_OUTPUT is called automatically, showing the value 4711 instead of the internal format 000000000000004711

In short: MATNR is shown as 4711 on screen but the DB table is written with 000000000000004711

In your case

you're inserting in DB the value 4711 without using the MATN1 routine. For this reason you are not finding the value in MARA:
values 4711 in Z_TEST_DB and 000000000000004711 in MARA don't match.

Try fix the code with:

data lv_matnr type matnr.
ls_tab = value #( matnr = &#39;4711&#39; vorne = 0010 terminal = &#39;AAA&#39; etkpgm = &#39;XXX&#39; drucker = &#39;MO-ED-01&#39; voretkm = 1 etkcopy = 1 eruser = sy-uname ertime = now aeuser = &#39;&#39; aetime = 0 kzaktv = &#39;X&#39; kzaaeu = &#39;&#39; kzaaet = 0 ).
call function &#39;CONVERSION_EXIT_MATN1_INPUT&#39;
exporting
input        = ls_tab-matnr
importing
output       = ls_tab-matnr
exceptions
length_error = 1
others       = 2.

This converts the MATNR into 000000000000004711 and you'll find the link with MARA.

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查询使用字符串文字的alpha字段

问题

答案1

Input value from screen to DB

Output value from DB to screen

在您的情况下

Input value from screen to DB

Output value from DB to screen

In your case

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