Github user dongjoon-hyun commented on the issue:
https://github.com/apache/spark/pull/15168
Hi, @gatorsmile .
It's the same behavior with Apache Spark 1.6.2. This PR doesn't make any
regression for Datasource tables. Actually, the error you mentioned is raised
by `HiveMetastore` since it's not Hive compatible table as you see the WARNING
below.
```scala
scala> sc.version
scala> sqlContext.range(1).select('id as 'a, 'id as 'b, 'id as 'c, 'id as
'd).write.partitionBy("d").saveAsTable("t1")
16/09/24 08:24:51 WARN HiveContext$$anon$2: Persisting partitioned data
source relation `t1` into Hive metastore in Spark SQL specific format, which is
NOT compatible with Hive. Input path(s):
file:/user/hive/warehouse/t1
scala> sql("DESC FORMATTED t1 partition (d=1)").show(100, false)
16/09/24 08:25:06 ERROR DDLTask: java.lang.RuntimeException: cannot find
field null from [0:col]
at
org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.getStandardStructFieldRef(ObjectInspectorUtils.java:416)
```
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