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  2. RPG400-L
  3. June 2008

Re: adding new fields to PF

Sorry. That should have been written "... the LVLCHK(*NO) in step-two is worthless [and as dangerous as when any program compiled against the old definition, had run with OVRDBF LVLCHK(*NO) in effect], and so step-four is also not required." If the attribute had remained LVLCHK(*YES), then step-four is not required, and the file would have no point at which it was LVLCHK(*NO).

The compilers do not know or care during compile time what the value is for the Level Check LVLCHK setting. Whether to level check is a decision for run-time, at open-time.

Regards, Chuck

Jeff Crosby wrote:
Step 2 is the whole point: add new field(s).

<<SNIP>>
1) Add the fields to the DDS.
2) CHGPF FILE(lib/file) SRCFILE(QDDSSRC) SRCMBR(*FILE) LVLCHK(*NO)
The file now has the new fields.
3) Recompile your RPG programs.
4) Do a CHGPF FILE(lib/file) LVLCHK(*YES)
5) Now start doing whatever programming needs done to
actually use these fields.

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