Re: BLOCK(*YES) questions

["Steve Landess" <sjl_123@xxxxxxxxxxx>]

If you have the file defined as Keyed, as shown in your 'F' spec, the block
of records will be in key order.  Otherwise, AFAIK, they will be in RRN
order.

Steve

----- Original Message ----- 
From: "Dan" <dbcerpg@xxxxxxxxx>
To: <rpg400-l@xxxxxxxxxxxx>
Sent: Friday, February 27, 2004 10:38 AM
Subject: BLOCK(*YES) questions


> BLOCK(*YES) questions:
>
>      FCMMASTER  IF   E           K DISK    block(*yes)
>
> Does BLOCK(*YES) bring in a block of records in sequential order from the
> file, or in keyed order?
>
> RRN  Key
>   1   AA
>   2   ZZ
>   3   EG
>   4   BH
>   5   WY
>   6   WZ
>   7   AB
>
> In this scenario, will the block of records be in RRN sequence or in keyed
> sequence?
>
> RPG documentation is not, IMO, not very helpful in indicating how blocking
> occurs.
>
> The archives has a post that appears to support a block "by keyed
records":
>
> http://archive.midrange.com/rpg400-l/200212/msg00433.html
> > 2. Blocking is done is in sequence that the records are being accessed:
> > keyed or arrival.  NBRRCDS is always done in arrival sequence.  That's
why
> > the warning.
>
> I have found several posts that imply that blocking is by physical
sequence.
> But nothing that says this.
>
> Is there an IBM reference to this?
>
> TIA,
> Dan
>
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