Marko A. Rodriguez created TINKERPOP-1209:
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Summary: ComparatorHolder should returns a
Pair<Traversal,Comparator>.
Key: TINKERPOP-1209
URL: https://issues.apache.org/jira/browse/TINKERPOP-1209
Project: TinkerPop
Issue Type: Improvement
Components: process
Affects Versions: 3.1.1-incubating
Reporter: Marko A. Rodriguez
Right now {{ComparatorHolder}} has a method:
{code}
List<Comparator> getComparators()
{code}
This should really be:
{code}
List<Pair<Traversal<?,E>,Comparator<E>>> getComparators()
{code}
By doing this, we will be able to order during the {{Memory}}-reduction in
Gremlin OLAP. We will be able to create values that look like this:
{code}
[[32, "marko"], v[1]]
[[12, "stephen"], v[7]]
[[67, "daniel"], v[8]]
...
{code}
Then there will be an {{OrderBiOperator}} that will have a {{List<Compartor>}}
that, for the example above, is size 2. It will then be able to use the already
computed traversal ends to sort the vertices.
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