Re: Multiple formats in PF or LF

A PF can have only one record format, but an LF can have multiple record
formats.

Because it's been ages since I last used them, I can only point you to
IBM's DDS for Physical and Logical files Reference. Search for
"multiple-format logical files in DDS" to find a code sample.

I'm not sure whether SQL can process a multiple format LF. Hopefully,
others can assist.

- Dan

On Tue, Dec 29, 2020 at 6:37 PM <smith5646midrange@xxxxxxxxx> wrote:

I'm starting to think that I am searching for something that doesn't
exist.

I thought there was a way of having a single "flat file" and breaking it
into multiple record formats in the DDS so the individual records could be
accessed via SQL

For example: a flat file that would contain sales data

HdrFmt
RcdType
SaleNumber
SaleDate
DtlFmt
RcdType
SaleNumber
Item
Quantity
Price
PayFmt
RcdType
SaleNumber
PaymentType
Amount

If I wanted to query all of the detail records to find out what items were
sold, I could do something like select item, count(*) from flatfile where
rcdtype = 'DTL' group by item

Am I just thoroughly confused thinking I have seen something like this in
the past? If not, can someone please provide the DDS to show me how it is
done? Nothing that I have tried has worked. I know I can create separate
PFs and copy the appropriate data to each file via a CPYF *NOCHK selecting
the appropriate rcdtype but that defeats the purpose of what I am trying to
do.