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From okram <...@git.apache.org>
Subject [GitHub] incubator-tinkerpop pull request: TINKERPOP3-779: RFC for coalesce...
Date Sat, 01 Aug 2015 18:06:45 GMT
Github user okram commented on the pull request:

    https://github.com/apache/incubator-tinkerpop/pull/91#issuecomment-126942879
  
    The problem with OLAP (global children) is that you can't do stuff like (as you say) "first
successful child" as everything is executing in parallel and you don't know for which input
what child output you are referring too. I suspect you could get fancy with path analysis,
but then bulking goes away.
    
    We really need to make it so that global and local children behave "the same" as there
are other steps that currently can't work in OLAP (e.g. `intersect()`, etc.).


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