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Re: Indexing problems under V6 [message #53263 is a reply to message #53195]

Sat, 31 March 2007 13:27

MarioIncandenza
Messages: 231
Registered: February 2005

Senior Member

> Is there any trick/switch that can be used to revert the action to that used
> in 5.5?

Obviously, the easiest solution would be a COMPILE_OPT IDL55 for all
of the affected routines, but if anything like that is implemented, it
is certainly not documented.

> The real problem is much deeper than this, as the search may be done several
> levels lower than where the selection criteria is setup and furthermore,
> some searches genuinely use arrays.

This is indeed a thorny problem. But if you truly are comparing both
arrays to scalars and arrays to arrays, I find the behavior of WHERE
to be unintuitive (I always end up using pen and paper to figure out
what it's going to do), and you might just be driven to a more
powerful tool, such as the SETINTERSECTION-type tools (http://
www.dfanning.com/tips/set_operations.html).

Good luck,

Edward H.

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[Message index]

		Indexing problems under V6 By: Ian Dean on Fri, 30 March 2007 02:41
		Re: Indexing problems under V6 By: MarioIncandenza on Sat, 31 March 2007 13:27
		Re: Indexing problems under V6 By: JD Smith on Mon, 02 April 2007 14:48

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