[jira] [Assigned] (SPARK-39749) Use plain string representation on casting Decimal to String

["Apache Spark (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-39749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-39749:
------------------------------------

    Assignee: Apache Spark  (was: Gengliang Wang)

> Use plain string representation on casting Decimal to String
> ------------------------------------------------------------
>
>                 Key: SPARK-39749
>                 URL: https://issues.apache.org/jira/browse/SPARK-39749
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.4.0
>            Reporter: Gengliang Wang
>            Assignee: Apache Spark
>            Priority: Major
>
> Currently, casting decimal as string type will result in Strings with exponential notations if the adjusted exponent is less than -6. This is consistent with BigDecimal.toString [https://docs.oracle.com/javase/8/docs/api/java/math/BigDecimal.html#toString] 
> This is different from external databases like PostgreSQL/Oracle/MS SQL server. It doesn't compliant with the ANSI SQL standard either. 
> I suggest always using the plain string in the casting.



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