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  1.  Home
  2. RPG400-L
  3. March 2005

Re: Suggestions

This program returns the number of records in the file. Just add 1 and use as the key, unless you decide to begin teh keys with zero.
___________________________________________________________________________________________
0001.00 PGM PARM(&NAME &LIBR &SIZE)
0002.00 DCL VAR(&NAME) TYPE(*CHAR) LEN(10)
0003.00 DCL VAR(&LIBR) TYPE(*CHAR) LEN(10)
0004.00 DCL VAR(&SIZE) TYPE(*DEC) LEN(10) VALUE(0)
0005.00 DCL VAR(&NBRCURRCD) TYPE(*DEC) LEN(10) VALUE(0)
0006.00 DCL VAR(&NBRDLTRCD) TYPE(*DEC) LEN(10) VALUE(0)
0007.00 RTVMBRD FILE(&LIBR/&NAME) NBRCURRCD(&NBRCURRCD) +
0008.00 NBRDLTRCD(&NBRDLTRCD)
0009.00 MONMSG MSGID(CPF9812) EXEC(DO) /* 'Archivo no esta' */
0010.00 CHGVAR VAR(&SIZE) VALUE(-1)
0011.00 RETURN
0012.00 ENDDO
0013.00 CHGVAR VAR(&SIZE) VALUE(&NBRCURRCD + &NBRDLTRCD)
0014.00 ENDPGM
______________________________________________________________________________
Raul

Buck Calabro wrote:

I have a physical file that will hold
gas type information, but one of the
fields needs to be an integer id field.



Search the archives for SQL IDENTITY and you'll probably come up with
a bunch of useful examples.  http://archive.midrange.com There are
several native RPG ways to go about this.

1) Use a data area to store the last number used
*lock in lastno
     add 1      lastno
    out lastno

2) Get the highest key by looking at the last record
*hival setll
      readp
      add 1 key
...

3) Store the last number used in another database file

Hope this gets you started.
 --buck







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