[jira] [Resolved] (SPARK-24994) Support cast pushdown for integral types

["Dongjoon Hyun (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-24994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun resolved SPARK-24994.
-----------------------------------
    Fix Version/s: 3.1.0
       Resolution: Fixed

Issue resolved by pull request 29565
[https://github.com/apache/spark/pull/29565]

> Support cast pushdown for integral types
> ----------------------------------------
>
>                 Key: SPARK-24994
>                 URL: https://issues.apache.org/jira/browse/SPARK-24994
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: liuxian
>            Assignee: Chao Sun
>            Priority: Major
>             Fix For: 3.1.0
>
>
> For this statement: select * from table1 where a = 100;
> the data type of `a` is `smallint` , because the defaut data type of 100 is `int` ,so the data type of  'a' is converted to `int`.
> In this case, it does not support push down to parquet.
> In our business, for our SQL statements, and we generally do not convert 100 to `smallint`, We hope that it can support push down to parquet for this situation.



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