Mark Payne created NIFI-5809:
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Summary: QueryRecord stops processing data if selecting only a
single field and that field is null
Key: NIFI-5809
URL: https://issues.apache.org/jira/browse/NIFI-5809
Project: Apache NiFi
Issue Type: Bug
Reporter: Mark Payne
>From the users@ mailing list, Mandeep Gill reported an issue where the
>following input to QueryRecord:
\{"id": "129984bf31e025599c0e9232df5c7b7c", "price": 19.47}
{"id": "a6cfcb7c7178b9d18c50f2f2dc41dab3", "price": null}
Can cause problems with the following 2 queries:
select count( *) from flowfile where price is null
select price from flowfile
I believe both of these queries are affected by the same issue: the query only
looks at the "price" field and as soon as it encountered a null value there, it
mistook that as a null record, meaning that it immediately throws out the
record and thinks it's the end of the stream.
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