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From Matt Bateman <m...@lycono.com>
Subject Translate "$0" to real name
Date Wed, 24 Feb 2016 01:54:32 GMT
Hi All,

I'm sure this is something simple I'm missing. When evaluating a where
clause the RexInputRef uses the "$index" notation. How do I get from there
to the actual name of the column? The javadoc for RexInputRef talks about
this but doesn't indicate how to do the actual translation.

Thanks,

Matt

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