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https://issues.apache.org/jira/browse/SPARK-35161?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Max Gekk updated SPARK-35161:
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Epic Link: SPARK-38783
> Error-handling SQL functions
> ----------------------------
>
> Key: SPARK-35161
> URL: https://issues.apache.org/jira/browse/SPARK-35161
> Project: Spark
> Issue Type: Umbrella
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Gengliang Wang
> Priority: Major
>
> Create new Error-handling version SQL functions for existing SQL
> functions/operators, which returns NULL if overflow/error occurs. So that:
> 1. Users can manage to finish queries without interruptions in ANSI mode.
> 2. Users can get NULLs instead of unreasonable results if overflow occurs
> when ANSI mode is off.
> For example, the behavior of the following SQL operations is unreasonable:
> {code:java}
> 2147483647 + 2 => -2147483647
> CAST(2147483648L AS INT) => -2147483648
> {code}
> With the new safe version SQL functions:
> {code:java}
> TRY_ADD(2147483647, 2) => null
> TRY_CAST(2147483648L AS INT) => null
> {code}
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