GitHub user mhfrantz opened a pull request:
https://github.com/apache/incubator-tinkerpop/pull/60
TINKERPOP3-670 tail step (v1)
https://issues.apache.org/jira/browse/TINKERPOP3-670
This is implemented as specified in JIRA, with a couple more tests for good
measure.
As specified, the behavior for `tail(local, 1)` is special if the input is
a `List`, in that it emits the element and not a one-element `List`. That
makes it different from `limit(local, 1)`, but more like `select("x")` (for a
single step label.
In the spirit of "containers only when necessary", should `limit(local, 1)`
be changed to emit the element rather then a one-element `List`? I filed
https://issues.apache.org/jira/browse/TINKERPOP3-673 to think about that.
I had some OOM problems running the full integration test suite, but all of
the new tests are disabled for COMPUTER for various reasons.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/RedSeal-co/incubator-tinkerpop
TINKERPOP3-670-tail-step.v1
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-tinkerpop/pull/60.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #60
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commit b1a53fc7ca10a67ec0b18f16d917fd2571687b76
Author: mhfrantz <[email protected]>
Date: 2015-05-08T02:04:00Z
Implement RangeLocalStep.toString
commit fe9ac0edc07f753ab93e06b7d330b6f263977ba5
Author: mhfrantz <[email protected]>
Date: 2015-05-08T01:29:22Z
TINKERPOP3-670: Add 'tail' step
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