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https://issues.apache.org/jira/browse/SPARK-16602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15383136#comment-15383136
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Dongjoon Hyun commented on SPARK-16602:
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Right. I get the same result with you for the following query. 1.6 works. 2.0
raises exception.
{code}
sql("select nvl('0', '1'), nvl('0', 1)")
{code}
I'll investigate this.
> Spark2.0-error occurs when execute the sql statement which includes "nvl"
> function while spark1.6 supports
> ----------------------------------------------------------------------------------------------------------
>
> Key: SPARK-16602
> URL: https://issues.apache.org/jira/browse/SPARK-16602
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: marymwu
>
> Spark2.0-error occurs when execute the sql statement which includes "nvl"
> function while spark1.6 supports
> Error: org.apache.spark.sql.AnalysisException: cannot resolve
> 'nvl(b.`new_user`, 0)' due to data type mismatch: input to function coalesce
> should all be the same type, but it's [string, int]; line 2 pos 73
> (state=,code=0)
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