FW: The clash of ELEMENTs

[Pickering, John (NORBORD)]

> >Thanks for your note. Does that mean that, in PowerHouse, there is
> >no calling of DBINFO or LIST parameters on TurboImage calls that
> >use explicit ITEM LISTS, etc.
> 
> Correct. PH always uses the "*" list (i.e. all items). It wants the entire
> record every time so that it can calculate the hash value it uses for
> determining changed records for the dreaded "record has been changed since
> you found it" message. This also allows the "compiler" to set up fixed
> length buffers for each record in advance. And it explains the performance
> problems of sorting big record complexes.
> 
> As for finding all the instances of mixed types I'd just compile the
> dictionary and let PDL tell me the problems! You'll have noticed how much
> faster PDL is than QDD.
> 
> Regards,
> JWP
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