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https://issues.apache.org/jira/browse/TINKERPOP-3186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18030425#comment-18030425
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ASF GitHub Bot commented on TINKERPOP-3186:
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xiazcy opened a new pull request, #3242:
URL: https://github.com/apache/tinkerpop/pull/3242
Updated properties to List types in gremlin-python and gremlin-javascript,
to be consistent across GLVs. Updated the necessary class and serializers.
Properties are now consistently deserialized as list of property objects
across both GraphBinary and GraphSON for both GLVs, and empty/null/undefined
properties are deserialized as empty lists.
Note that this is a breaking change, users should update how they handle the
returned properties in these 2 GLVs.
VOTE +1
> Inconsistency of properties data type on Element
> ------------------------------------------------
>
> Key: TINKERPOP-3186
> URL: https://issues.apache.org/jira/browse/TINKERPOP-3186
> Project: TinkerPop
> Issue Type: Improvement
> Components: javascript
> Affects Versions: 3.7.4
> Reporter: Stephen Mallette
> Assignee: Stephen Mallette
> Priority: Blocker
> Labels: breaking
>
> The {{properties}} property on {{Element}} in javascript has datatypes
> inconsistent with Java and other GLVs where it can be a {{Map}}, {{List}} or
> {{undefined}} depending on serializer or other factors (and we go through
> great lengths to assert all of this in tests for some reason). The type
> should be {{List}}. Use an empty list if {{null}} or {{undefined}}.
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