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Posted to issues@flink.apache.org by "lincoln lee (Jira)" <ji...@apache.org> on 2024/03/11 12:39:05 UTC

[jira] [Updated] (FLINK-26951) Add HASH supported in SQL & Table API

     [ https://issues.apache.org/jira/browse/FLINK-26951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

lincoln lee updated FLINK-26951:
--------------------------------
    Fix Version/s: 1.20.0

> Add HASH supported in SQL & Table API
> -------------------------------------
>
>                 Key: FLINK-26951
>                 URL: https://issues.apache.org/jira/browse/FLINK-26951
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / API
>            Reporter: dalongliu
>            Priority: Major
>             Fix For: 1.19.0, 1.20.0
>
>
> Returns a hash value of the arguments.
> Syntax:
> {code:java}
> hash(expr1, ...) {code}
> Arguments:
>  * {{{}exprN{}}}: An expression of any type.
> Returns:
> An INTEGER.
> Examples:
> {code:java}
> > SELECT hash('Flink', array(123), 2);
>  -1321691492 {code}
> See more:
>  * [Spark|https://spark.apache.org/docs/latest/api/sql/index.html#hash]
>  * [Hive|https://cwiki.apache.org/confluence/display/hive/languagemanual+udf]



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