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Преобразование ranges из BT в EQ



 
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stn
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Joined: 18 Jan 2008
Posts: 31
PostPosted: Wed Mar 04, 2009 11:50 am    Post subject: Преобразование ranges из BT в EQ Reply with quote
Здравствуйте!
Для ускорения выборки по bsis, bsas
нужно создать ranges с годами путем преобразования ranges
DATA: r_budat FOR bsis-budat.
со значениями BT, например
01.10.2004 - 31.05.2005
01.10.2007 - 15.01.2009
(не исключается, что пользователь введет exclude значения)

в ranges
DATA: r_gjahr FOR bsis-gjahr.
со значениями EQ
2004
2005
2007
2008
2009
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Удав
Гуру
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Age: 48
Joined: 25 Jan 2008
Posts: 580
Location: Москва
PostPosted: Wed Mar 04, 2009 1:25 pm    Post subject: Reply with quote
Может быть легче индекс с использованием BUDAT создать?
_________________
С уважением,
Удав.
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vga
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Age: 140
Joined: 04 Oct 2007
Posts: 1218
Location: Санкт-Петербург
PostPosted: Wed Mar 04, 2009 1:51 pm    Post subject: Reply with quote
Ничего умнее перебора по интервалу дат в голову не приходит. Sad

Code:
TABLES: bsis.
DATA: l_max_date TYPE bsis-budat.
RANGES lr_gjahr FOR bsis-gjahr.

SELECT-OPTIONS: so_budat FOR bsis-budat.

l_max_date = sy-datum + 365 * 10.

lr_gjahr-sign = 'I'.
lr_gjahr-option = 'EQ'.

bsis-budat = '19900101'.
DO.
  IF bsis-budat > l_max_date.
    EXIT.
  ENDIF.
  IF bsis-budat IN so_budat.
    lr_gjahr-low = bsis-budat+0(4).
    COLLECT lr_gjahr.
  ENDIF.
  bsis-budat = bsis-budat + 1.
ENDDO.

LOOP AT lr_gjahr.
  WRITE: / lr_gjahr-low.
ENDLOOP.
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