Josh Rosen created SPARK-8802:
---------------------------------
Summary: Decimal.apply(BigDecimal).toBigDecimal may throw
NumberFormatException
Key: SPARK-8802
URL: https://issues.apache.org/jira/browse/SPARK-8802
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.5.0
Reporter: Josh Rosen
Assignee: Josh Rosen
Priority: Minor
There exist certain BigDecimals that can be converted into Spark SQL's Decimal
class but which produce Decimals that cannot be converted back to BigDecimal
without throwing NumberFormatException.
For instance:
{code}
val x = BigDecimal(BigInt("18889465931478580854784"), -2147483648)
assert(Decimal(x).toBigDecimal === x)
{code}
will fail with an exception:
{code}
java.lang.NumberFormatException
at java.math.BigDecimal.<init>(BigDecimal.java:511)
at java.math.BigDecimal.<init>(BigDecimal.java:757)
at scala.math.BigDecimal$.apply(BigDecimal.scala:119)
at scala.math.BigDecimal.apply(BigDecimal.scala:324)
at org.apache.spark.sql.types.Decimal.toBigDecimal(Decimal.scala:142)
at
org.apache.spark.sql.types.decimal.DecimalSuite$$anonfun$2.apply$mcV$sp(DecimalSuite.scala:62)
at
org.apache.spark.sql.types.decimal.DecimalSuite$$anonfun$2.apply(DecimalSuite.scala:60)
at
org.apache.spark.sql.types.decimal.DecimalSuite$$anonfun$2.apply(DecimalSuite.scala:60)
{code}
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