Github user x1- commented on a diff in the pull request:
https://github.com/apache/spark/pull/7106#discussion_r33553368
--- 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 $d, cannot write to consumer")
}
- writeDecimal(value.asInstanceOf[Decimal],
d.precisionInfo.get.precision)
+ writeDecimal(convertDecimal(value),
d.precisionInfo.get.precision)
--- End diff --
@cloud-fan
I tried the test via pyspark pointed at
https://github.com/apache/spark/commit/660c6cec75dc165cf5d62cdc1b0951bdb93df365.
Now, I pull latest source and test by pyspark, but got such error.
```sh
ERROR InsertIntoHadoopFsRelation: Aborting job.
org.apache.spark.SparkException: Job aborted due to stage failure: Task 1
in stage 2.0 failed 1 times, most recent failure: Lost task 1.0 in stage 2.0
(TID 3, localhost): org.apache.spark.SparkException: Task failed while writing
rows.
at
org.apache.spark.sql.sources.InsertIntoHadoopFsRelation.org$apache$spark$sql$sources$InsertIntoHadoopFsRelation$$writeRows$1(commands.scala:185)
at
org.apache.spark.sql.sources.InsertIntoHadoopFsRelation$$anonfun$insert$1.apply(commands.scala:157)
at
org.apache.spark.sql.sources.InsertIntoHadoopFsRelation$$anonfun$insert$1.apply(commands.scala:157)
at
org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:63)
at org.apache.spark.scheduler.Task.run(Task.scala:70)
at
org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:213)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassCastException: java.math.BigDecimal cannot be
cast to org.apache.spark.sql.types.Decimal
at
org.apache.spark.sql.parquet.MutableRowWriteSupport.consumeType(ParquetTableSupport.scala:371)
at
org.apache.spark.sql.parquet.MutableRowWriteSupport.write(ParquetTableSupport.scala:342)
at
org.apache.spark.sql.parquet.MutableRowWriteSupport.write(ParquetTableSupport.scala:328)
at
org.apache.parquet.hadoop.InternalParquetRecordWriter.write(InternalParquetRecordWriter.java:121)
at
org.apache.parquet.hadoop.ParquetRecordWriter.write(ParquetRecordWriter.java:123)
at
org.apache.parquet.hadoop.ParquetRecordWriter.write(ParquetRecordWriter.java:42)
at
org.apache.spark.sql.parquet.ParquetOutputWriter.write(newParquet.scala:85)
at
org.apache.spark.sql.sources.InsertIntoHadoopFsRelation.org$apache$spark$sql$sources$InsertIntoHadoopFsRelation$$writeRows$1(commands.scala:178)
... 8 more
```
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