Github user ottobackwards commented on the issue:
https://github.com/apache/incubator-metron/pull/392
So - the case I am thinking of is a stellar transform on an incoming string
field that contains a number, but that number will not be marked - so only
doubles would work unless I'm mistaken. I am not sure that requiring the
fields to be marked up works so well when you don't have control of the sources.
By specifying TO_XXXX are you explicitly saying you want it treated at a
string of number marked as type? Why impose the restriction of having to have
the string marked?
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