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https://issues.apache.org/jira/browse/TINKERPOP-2062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16646628#comment-16646628
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Daniel Kuppitz edited comment on TINKERPOP-2062 at 10/11/18 3:35 PM:
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I tried, but couldn't figure out how.
was (Author: dkuppitz):
I tried, but couldn't figure out why.
> Add Traversal class to CoreImports
> ----------------------------------
>
> Key: TINKERPOP-2062
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2062
> Project: TinkerPop
> Issue Type: Improvement
> Components: server
> Affects Versions: 3.3.3
> Reporter: Daniel Kuppitz
> Assignee: Daniel Kuppitz
> Priority: Minor
>
> Apparently, some people like to copy Gremlin queries they've written in Java
> and paste them into the Gremlin console. This should usually work pretty
> well, however, there are some oddities in particular with {{union()}} step
> which requires you to cast the child traversals to {{Traversal}} if they have
> different return types, e.g.:
> {noformat}
> g.V().
> union(
> __.identity(),
> (Traversal)__.outE()
> )
> {noformat}
> This works in a local console session but fails if the query is sent to a
> server as {{Traversal}} is not part of the core imports.
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