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https://issues.apache.org/jira/browse/GORA-174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13648817#comment-13648817
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Lewis John McGibbney commented on GORA-174:
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This issue is to support single type Unions within Avro schemas. AFAIK we have
committed support for this within all modules in the GORA_174 datastore.
Recursive nested structures and multi-type Union support are different issues
and they are confusing this parent issue very much.
Unless there is strong argument I propose to close this issue as resolved as
well as all children issues relating only to single type union support within
Avro schemas.
> 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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