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https://issues.apache.org/jira/browse/TINKERPOP-1355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15361162#comment-15361162
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ASF GitHub Bot commented on TINKERPOP-1355:
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Github user dkuppitz commented on the issue:
https://github.com/apache/tinkerpop/pull/355
Yea, lots of issues in this code area.
`enforceHomogenousCollectionIfPresent` also has the potential to throw NPE's
(if the first element of a non-empty collection is `null`). I will create
another ticket for those issues.
For this PR:
VOTE: +1
> Design HasContainer for extension
> ---------------------------------
>
> Key: TINKERPOP-1355
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1355
> Project: TinkerPop
> Issue Type: Improvement
> Components: process
> Affects Versions: 3.2.0-incubating
> Reporter: Bryn Cooke
> Priority: Critical
>
> Currently HasContainer is final. This means that Graph implementations cannot
> support their own type systems across the entire traversal.
> Given the traversal:
> g.V.has('foo', nonTinkerpopType).out('bar').has('foo', nonTinkerpopType)
> Say that the initial traversal g.V.has('foo', nonTinkerpopType) is dealt with
> via strategy, the non-Tinkerpop type can be dealt with. However the rest of
> the traversal is processed via the default Tinkerpop pipeline, and as such it
> doesn't know how to deal with type conversions/comparisons etc.
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