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Posted to issues@drill.apache.org by "B Anil Kumar (JIRA)" <ji...@apache.org> on 2017/11/20 01:44:00 UTC

[jira] [Created] (DRILL-5977) predicate pushdown support kafkaMsgOffset

B Anil Kumar created DRILL-5977:
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             Summary: predicate pushdown support kafkaMsgOffset
                 Key: DRILL-5977
                 URL: https://issues.apache.org/jira/browse/DRILL-5977
             Project: Apache Drill
          Issue Type: Improvement
            Reporter: B Anil Kumar


As part of Kafka storage plugin review, below is the suggestion from Paul.

{noformat}
Does it make sense to provide a way to select a range of messages: a starting point or a count? Perhaps I want to run my query every five minutes, scanning only those messages since the previous scan. Or, I want to limit my take to, say, the next 1000 messages. Could we use a pseudo-column such as "kafkaMsgOffset" for that purpose? Maybe

SELECT * FROM <some topic> WHERE kafkaMsgOffset > 12345
{noformat}



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