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https://issues.apache.org/jira/browse/SPARK-61136?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-61136.
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Resolution: Fixed
Issue resolved by pull request 328
[https://github.com/apache/spark-connect-rust/pull/328]
> Collect the decimals of a negative scale in the Python client as PySpark does
> -----------------------------------------------------------------------------
>
> Key: SPARK-61136
> URL: https://issues.apache.org/jira/browse/SPARK-61136
> Project: Spark
> Issue Type: Bug
> Components: Connect
> Affects Versions: connect-rust-4.3.0
> Reporter: Hyukjin Kwon
> Assignee: Hyukjin Kwon
> Priority: Major
> Labels: pull-request-available
> Fix For: connect-rust-4.3.0
>
>
> With spark.sql.legacy.allowNegativeScaleOfDecimal, a decimal can have a
> negative scale. For example, CAST(11 AS DECIMAL(1, -1)) is 1E+1, of unscaled
> value 1. PySpark collects it as Decimal("1E+1"), of which int() is 10. The
> client collects Decimal("1"), so int() is 1.
> Apache Spark's test_negative_decimal fails on this client: [0, 1] != [0, 10].
> The client should collect the decimals of a negative scale as PySpark does.
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