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Как передать field-symbol на таблицу в подпрограмму?



 
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Garik
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PostPosted: Tue Jan 22, 2008 12:05 pm    Post subject: Как передать field-symbol на таблицу в подпрограмму? Reply with quote
Здравствуйте, эксперты.
Пожалуйста, посмотрите в чем проблема с кодом?

Мой код:
Code:
DATA: it_mch1 TYPE STANDARD TABLE OF mch1,
      wa_mch1 TYPE mch1.

FIELD-SYMBOLS: <fs_tab> TYPE STANDARD TABLE.
ASSIGN it_mch1 TO <fs_tab>.

PERFORM proc_table USING <fs_tab>.

LOOP AT it_mch1 INTO wa_mch1.
  WRITE: / wa_mch1-matnr, wa_mch1-charg.
ENDLOOP.

FORM proc_table USING fs_tab.

  FIELD-SYMBOLS: <fs_tab>.
  DATA dref TYPE REF TO data.

  CREATE DATA dref TYPE TABLE OF (fs_tab).
  ASSIGN dref->* TO <fs_tab>.
ENDFORM. " proc_table


При выполнении кода получаю дамп:

'The current statement (CREATE DATA dref ... ) requires a character-type data object.'
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John Doe
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PostPosted: Tue Jan 22, 2008 12:30 pm    Post subject: Reply with quote
Все что происходит в подпрограмме - лишнее, на мой взгляд. Я немного код переработал.
Code:
DATA: IT_MCH1 TYPE STANDARD TABLE OF SFLIGHT,
      WA_MCH1 TYPE SFLIGHT.

FIELD-SYMBOLS: <FS_TAB> TYPE STANDARD TABLE.

SELECT * FROM SFLIGHT INTO TABLE IT_MCH1.
ASSIGN IT_MCH1 TO <FS_TAB>.

PERFORM PROC_TABLE TABLES <FS_TAB>.

WRITE /.
WRITE / 'FS table values after'.
LOOP AT <FS_TAB> INTO WA_MCH1.
  WRITE: / WA_MCH1-CARRID, WA_MCH1-CONNID.
ENDLOOP.

*&---------------------------------------------------------------------*
*&      Form  PROC_TABLE
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*      -->FS_TAB     text
*----------------------------------------------------------------------*
FORM PROC_TABLE TABLES FS_TAB.
  WRITE / 'FS table values before'.
  LOOP AT FS_TAB INTO WA_MCH1.
    WRITE: / WA_MCH1-CARRID, WA_MCH1-CONNID.
    IF WA_MCH1-CARRID = 'LH'.
      DELETE TABLE FS_TAB FROM WA_MCH1.
    ENDIF.
  ENDLOOP.
ENDFORM. " proc_table


Теперь поясню:
1. Филд-симбол объявлен как таблица, передавать его надо в подпрограмму через TABLES.
2. В подпрограмме Вы уже начинаете работать с филд-симболом, но через таблицу FS_TAB, т.е. все уже реализовано относительно темы топика.
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Garik
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Joined: 11 Oct 2007
Posts: 60
PostPosted: Wed Jan 23, 2008 11:03 am    Post subject: Reply with quote
John Doe, спасибо, ваш вариант рабочий.
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