[Mulgara-dev] Graph Partitions

Paul Gearon gearon at ieee.org
Thu May 21 21:10:36 UTC 2009


On Thursday, May 21, 2009, Alex Hall <alexhall at revelytix.com> wrote:
> While looking through the TQL grammar file, I noticed that a graph
> expression can use the 'xor' operator, which translates to a
> GraphPartition class in the Query object.  I'm not sure what the
> intended semantics of this operation are, but it isn't currently handled
> by any of the existing graph resolution handlers.  A TQL query using
> 'xor' in the 'from' expression will parse successfully, but executing
> the query causes a QueryException to be thrown.  Should this operator be
> removed from the TQL grammar if it's not going to be implemented?

Sounds like something Simon would have put in. He would sometimes add
features for "completeness", rather than due to any kind of use case.

Yes, feel free to remove it.

Paul



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