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https://issues.apache.org/jira/browse/SPARK-28060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16870423#comment-16870423
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Yuming Wang commented on SPARK-28060:
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OK. Thank you [~mgaido]
> Float/Double type can not accept some special inputs
> ----------------------------------------------------
>
> Key: SPARK-28060
> URL: https://issues.apache.org/jira/browse/SPARK-28060
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Yuming Wang
> Priority: Major
>
> ||Query||Spark SQL||PostgreSQL||
> |SELECT float('nan');|NULL|NaN|
> |SELECT float(' NAN ');|NULL|NaN|
> |SELECT float('infinity');|NULL|Infinity|
> |SELECT float(' -INFINiTY ');|NULL|-Infinity|
> ||Query||Spark SQL||PostgreSQL||
> |SELECT double('nan');|NULL|NaN|
> |SELECT double(' NAN ');|NULL|NaN|
> |SELECT double('infinity');|NULL|Infinity|
> |SELECT double(' -INFINiTY ');|NULL|-Infinity|
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