Re: Can I build a DDS Logical over an existing PF in QS36F?

400 logicals are similar conceptually to 36 alternate index files.

When in the 36 world, I used to have reorg OCL that would
1. Kill the alternate index files
2. Do whatever had to be done with the physical file
such as COPY to another name, dropping records coded for deletion
then DELETE original name
then COPY back with some reorganization
3. Rebuild the alternate index files

Because 36 did not have external definitions, the rebuild could not point to
source like we do with 400 logicals, so the OCL had to have layout specificity

Now if you in a similar situation, your process will have to be
A. Delete the 400 logicals that are over the PF
B. Run the 36 task that puts the PF into temporary non-existance.
C. Recreate the 400 logicals.

Or rewrite the OCL.

>  >I've got a lot of files in QS36F.
>  >Can I build an ordinary logical over these files?
>
>  Yes, but QS36F implies you may have applications in the S36EE.
>  It was common for S/36 era procedures to delete and recreate files
>  as necessary rather than clear them.
>  If your existing OCL attempts to perform a DELETE procedure
>  against a physical file with logicals, the delete will fail.
>
>  So although logicals over files in QS36F are fine, there could be
>  ramifications on existing OCL procedures.
>
>  Doug

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