Chip,

    from memory so...
    
    One note:
    - I believe existing (v15+) subtable support is one level deep only, I
    do not know if this will/does affect you.
    i.e [parent].substable_level1.subtable_level2... is not supported.
I'm not affected by this.

    there is a special link between converted subtables and their parent.
    this special linage is NOT replaceable once broken.
    The special linkage allows the subtable commands to continue to
    function.
Yes, I am aware of that, thanks.

    (speaking about 1 subtable)
    I believe that if you remove the special link, and replace the subtable
    commands that use it with record level commands you are good to go.
Yes, it seems so, although this requires using the " Get subrecord key "command 
as illustrated in the example in the docs:
https://doc.4d.com/4Dv15/4D/15.6/Get-subrecord-key.301-3818017.en.html

    There may be one major exception:
    Reports using the subtable data.  It has been along time since I played
    in this area, but again, as I recall any reports using the subtable
    commands will need extensive work. As subtable records load in a much
    different fashion to related tables.
I don't think I have any reporting issues to be concerned about but I'll bear 
that in mind, thanks.

    Depending on the subtable structure definition(s) you may also
    want/need to add a primary key for backup/journal purposes.
Yes, I mentioned that in my original post so I'm aware of that, thanks.

Regards,
Narinder Chandi,
ToolBox Systems Ltd.
-- 



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