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https://issues.apache.org/jira/browse/PIG-3322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Viraj Bhat updated PIG-3322:
----------------------------
Attachment: (was: expected_testLoadAvrowithNulls.txt)
> AVRO: AvroStorage give NPE on reading file with union as top level schema
> -------------------------------------------------------------------------
>
> Key: PIG-3322
> URL: https://issues.apache.org/jira/browse/PIG-3322
> Project: Pig
> Issue Type: Bug
> Components: piggybank
> Affects Versions: 0.11.2
> Reporter: Egil Sorensen
> Assignee: Viraj Bhat
> Labels: patch
> Fix For: 0.12
>
> Attachments: PIG-3322_3.patch, test_loadavrowithnulls.avro
>
>
> I am getting NPE when loading a file with AvroStorage a file that has schema
> like:
> {code}
> ["null",{"type":"record","name":"TUPLE_0","fields":[{"name":"name","type":["null","string"],"doc":"autogenerated
> from Pig Field
> Schema"},{"name":"age","type":["null","int"],"doc":"autogenerated from Pig
> Field Schema"},{"name":"gpa","type":["null","double"],"doc":"autogenerated
> from Pig Field Schema"}]}]
> {code}
> E.g. see the e2e style test, which fails on this:
> {code}
> {
> 'num' => 4,
> # storing file with Pig type tuple relying on
> conversion to record
> # loading using stored schemas
> 'notmq' => 1,
> 'pig' => q\
> a = load ':INPATH:/singlefile/studentcomplextab10k' using PigStorage() as
> (m:[], t:(name:chararray, age:int, gpa:double), b:{t:(name:chararray,
> age:int, gpa:double)});
> b = foreach a generate t;
> describe b;
> store b into ':OUTPATH:.intermediate' USING
> org.apache.pig.piggybank.storage.avro.AvroStorage();
> exec;
> -- Read back what was stored with Avro
> u = load ':OUTPATH:.intermediate' USING
> org.apache.pig.piggybank.storage.avro.AvroStorage();
> describe u;
> store u into ':OUTPATH:';
> \,
> 'verify_pig_script' => q\
> a = load ':INPATH:/singlefile/studentcomplextab10k' using PigStorage() as
> (m:[], t:(name:chararray, age:int, gpa:double), b:{t:(name:chararray,
> age:int, gpa:double)});
> b = foreach a generate t;
> describe b;
> store b into ':OUTPATH:';
> \,
> },
> {code}
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