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Posted to issues@spark.apache.org by "Gengliang Wang (JIRA)" <ji...@apache.org> on 2019/08/01 07:36:00 UTC
[jira] [Updated] (SPARK-28503) Return null result on cast an
out-of-range value to a integral type
[ https://issues.apache.org/jira/browse/SPARK-28503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gengliang Wang updated SPARK-28503:
-----------------------------------
Issue Type: Sub-task (was: Bug)
Parent: SPARK-28589
> Return null result on cast an out-of-range value to a integral type
> -------------------------------------------------------------------
>
> Key: SPARK-28503
> URL: https://issues.apache.org/jira/browse/SPARK-28503
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Gengliang Wang
> Priority: Major
>
> Currently, when we convert an out-of-range value to a numeric type, the value is unexpected
> scala> spark.sql("select cast(327689 as short)").show()
> +------------------------+
> |CAST(327689 AS SMALLINT)|
> +------------------------+
> | 9|
> +------------------------+
> The result is actually 327689.toShort (327689 & 0xffff).
> For such cases, I think we should return null.
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