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https://issues.apache.org/jira/browse/SPARK-16646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15389145#comment-15389145
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Hyukjin Kwon commented on SPARK-16646:
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My pleasure! Let me look into this and will bring some details tomorrow. Thank
you!
> LEAST doesn't accept numeric arguments with different data types
> ----------------------------------------------------------------
>
> Key: SPARK-16646
> URL: https://issues.apache.org/jira/browse/SPARK-16646
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Cheng Lian
> Assignee: Hyukjin Kwon
>
> {code:sql}
> SELECT LEAST(1, 1.5);
> {code}
> {noformat}
> Error: org.apache.spark.sql.AnalysisException: cannot resolve 'least(1,
> CAST(2.1 AS DECIMAL(2,1)))' due to data type mismatch: The expressions should
> all have the same type, got LEAST (ArrayBuffer(IntegerType,
> DecimalType(2,1))).; line 1 pos 7 (state=,code=0)
> {noformat}
> This query works for 1.6.
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