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Posted to issues-all@impala.apache.org by "Quanlong Huang (Jira)" <ji...@apache.org> on 2021/09/15 03:18:00 UTC

[jira] [Updated] (IMPALA-10915) Pushdown Timestamp predicates to ORC reader

     [ https://issues.apache.org/jira/browse/IMPALA-10915?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Quanlong Huang updated IMPALA-10915:
------------------------------------
    Priority: Critical  (was: Major)

> Pushdown Timestamp predicates to ORC reader
> -------------------------------------------
>
>                 Key: IMPALA-10915
>                 URL: https://issues.apache.org/jira/browse/IMPALA-10915
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>            Reporter: Quanlong Huang
>            Assignee: Quanlong Huang
>            Priority: Critical
>
> This is a follow-up task of predicate pushdown to the ORC reader (IMPALA-6505). In IMPALA-6505 we skip pushing down predicates on Timestamp columns. As [~csringhofer] pointed out in the review: https://gerrit.cloudera.org/c/17815, we need to deal with corner cases like timezone conversion and timestamps before 1970-01-01. Also add more tests for coverage.



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