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https://issues.apache.org/jira/browse/SPARK-12373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-12373:
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Target Version/s: (was: 2.0.0)
> Type coercion rule of dividing two decimal values may choose an intermediate
> precision that does not have enough number of digits at the left of decimal
> point
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-12373
> URL: https://issues.apache.org/jira/browse/SPARK-12373
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Yin Huai
>
> Looks like the {{widerDecimalType}} at
> https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala#L432
> can produce something like {{(38, 38)}} when we have have two operand types
> {{Decimal(38, 0)}} and {{Decimal(38, 38)}}. We should take a look at if there
> is more reasonable way to handle precision/scale.
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