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From "Xin Wei (Jira)" <j...@apache.org>
Subject [jira] [Commented] (TINKERPOP-2286) ID type support bug causing regression when loading data
Date Fri, 23 Aug 2019 18:20:00 GMT

    [ https://issues.apache.org/jira/browse/TINKERPOP-2286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16914533#comment-16914533
] 

Xin Wei commented on TINKERPOP-2286:
------------------------------------

I tried the method to throw exception from willAllowId(), the result looks good. Please feel
free to close this issue.

> ID type support bug causing regression when loading data
> --------------------------------------------------------
>
>                 Key: TINKERPOP-2286
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-2286
>             Project: TinkerPop
>          Issue Type: Bug
>          Components: structure
>    Affects Versions: 3.4.3
>         Environment: Linux
>            Reporter: Xin Wei
>            Priority: Blocker
>
> Our provider version only supports string id, however when loading data with numeric
ids via g.io().read().iterate() the DB didn't error out, but assigned random ids to those
vertices with numeric ids, causing regression.
> The cause is : [https://github.com/apache/tinkerpop/blob/master/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/Graph.java#L803] 
> The allowId() method returns false when supportsStringIds() returns true and id is not
instance of string. 
> Then this method: 
> [https://github.com/apache/tinkerpop/blob/master/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/util/Attachable.java#L291]
> will not pass id into Graph.addVertex() method, making underlying method assign internal
ids to the vertex, causing regression between the data we load and the data we store in the
DB.



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