Li Jin created ARROW-1779:
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Summary: [Java] Integration test breaks without zeroing out
validity vectors
Key: ARROW-1779
URL: https://issues.apache.org/jira/browse/ARROW-1779
Project: Apache Arrow
Issue Type: Sub-task
Reporter: Li Jin
Attachments: nested.bad, nested.good, nested.json
This is discovered in https://github.com/apache/arrow/pull/1290
I found one the integration test (nested) failed without zeroing out validity
vectors before loading the array from json.
I have created three files to reproduce this:
(1) nested.json
(2) nested.good (zeroing out validity vector before reading)
(3) nested.bad (not zeroing out validity vector before reading)
(1) / (2) and (1) / (3) both pass Java integration test, however (1) / (3)
fails C++ test - one of the validity vector in (3) doesn't seem to be read
correctly.
I am not sure what the issue is because I cannot reproduce an error in Java. I
am hoping maybe some one more familiar with C++ could take a look and give some
insights what's the wrong with (3).
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