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Posted to issues-all@impala.apache.org by "Wenzhe Zhou (Jira)" <ji...@apache.org> on 2020/06/30 04:56:00 UTC
[jira] [Resolved] (IMPALA-9691) Support Kudu Timestamp and Date
Bloom Filter
[ https://issues.apache.org/jira/browse/IMPALA-9691?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenzhe Zhou resolved IMPALA-9691.
---------------------------------
Resolution: Fixed
> Support Kudu Timestamp and Date Bloom Filter
> ---------------------------------------------
>
> Key: IMPALA-9691
> URL: https://issues.apache.org/jira/browse/IMPALA-9691
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend, Frontend
> Affects Versions: Impala 4.0
> Reporter: Wenzhe Zhou
> Assignee: Wenzhe Zhou
> Priority: Major
> Fix For: Impala 4.0
>
>
> Impala saves Timestamp as 92 bit value, while supporting Timestamp for Kudu using unixtime_micros (i.e. int64). This causes different hash values being used when calling Insert() and Find() for bloom filter.
> Impala should generate timestamp bloom filters for Kudu by using 64 bit unixtime_micros.
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