[jira] [Assigned] (IMPALA-11243) Improve predicate pushdown to Iceberg

["Zoltán Borók-Nagy (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-11243?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zoltán Borók-Nagy reassigned IMPALA-11243:
------------------------------------------

    Assignee: LiPenglin

> Improve predicate pushdown to Iceberg
> -------------------------------------
>
>                 Key: IMPALA-11243
>                 URL: https://issues.apache.org/jira/browse/IMPALA-11243
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Frontend
>            Reporter: Zoltán Borók-Nagy
>            Assignee: LiPenglin
>            Priority: Major
>              Labels: impala-iceberg
>
> Iceberg provides a rich API to push down predicates, e.g. we could push down complex predicates with OR, NOT, etc.
> Also, currently we only push down predicates in the form:
> {noformat}
> COL <bin-operator> LITERAL_EXPR
> E.g.:
> col_ts <= '2021-01-01 12:01:00'
> {noformat}
> Instead of only allowing literal expressions, we could evaluate any constant expression and push down the result to Iceberg.



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