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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/08/02 06:24:20 UTC
[jira] [Commented] (SPARK-16850) Improve error message for
greatest/least
[ https://issues.apache.org/jira/browse/SPARK-16850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15403449#comment-15403449 ]
Apache Spark commented on SPARK-16850:
--------------------------------------
User 'petermaxlee' has created a pull request for this issue:
https://github.com/apache/spark/pull/14453
> Improve error message for greatest/least
> ----------------------------------------
>
> Key: SPARK-16850
> URL: https://issues.apache.org/jira/browse/SPARK-16850
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Peter Lee
>
> Greatest/least function does not have the most friendly error message for data types:
> Error in SQL statement: AnalysisException: cannot resolve 'greatest(CAST(1.0 AS DECIMAL(2,1)), "1.0")' due to data type mismatch: The expressions should all have the same type, got GREATEST (ArrayBuffer(DecimalType(2,1), StringType)).; line 1 pos 7
> We should report the human readable data type instead, rather than having "ArrayBuffer" and "StringType".
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