Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/7106#discussion_r33591627
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/parquet/ParquetTableSupport.scala
---
@@ -215,7 +216,7 @@ private[parquet] class RowWriteSupport extends
WriteSupport[InternalRow] with Lo
if (d.precisionInfo == None || d.precisionInfo.get.precision >
18) {
sys.error(s"Unsupported datatype $d, cannot write to consumer")
}
- writeDecimal(value.asInstanceOf[Decimal],
d.precisionInfo.get.precision)
+ writeDecimal(convertDecimal(value),
d.precisionInfo.get.precision)
--- End diff --
Then can you write your tests in python instead of scala? As I can't
reproduce it with scala...
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