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https://issues.apache.org/jira/browse/GORA-174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13648836#comment-13648836
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Lewis John McGibbney commented on GORA-174:
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Hi Alfonso, I think we've all bee lost in thought. From something seemingly
trivial (nutch avsc) it has snowballed into a rather interesting and
technically challenging (for me anyway) issue.
I would like to propose that we implement ONLY what is necessary to satisfy
support for ["string", "null"] unions. Of course Accumulo, HBase, Cassandra
should also support this. Hence the child issues assigned to this issue.
Everything else over and above the ["string", "null"] unions should be
addressed in subsequent issues.
We need to watch that our eyes are not bigger than our stomachs here. I've
already made this problem for lunch today (I got a big pizza... way too much).
Thanks for the dialogue.
> GORA compiler does not handle ["string", "null"] unions in the AVRO schema
> --------------------------------------------------------------------------
>
> Key: GORA-174
> URL: https://issues.apache.org/jira/browse/GORA-174
> Project: Apache Gora
> Issue Type: Bug
> Components: schema
> Affects Versions: 0.2.1
> Reporter: Julien Nioche
> Assignee: Alfonso Nishikawa
> Priority: Blocker
> Fix For: 0.4
>
> Attachments: GORA-174_over_r1462580.patch, GORA-174.patch,
> GORA-174.patch, GORA-174.patch, GORA-174.patch, GORA-174-test.patch
>
>
> See NUTCH-1477 for description.
> We are getting NPE when using the DataFileAvroStore, in order to avoid that I
> modified the schema to allow for null values on some fields e.g. {"name":
> "baseUrl", "type": ["string", "null"] }
> however when generating the code for the schema the accessors are not
> generated by GORA which prevents Nutch from compiling
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