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From "Lantao Jin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-20680) Spark-sql do not support for column datatype of void in a HIVE view
Date Tue, 09 May 2017 10:29:04 GMT
Lantao Jin created SPARK-20680:
----------------------------------

             Summary: Spark-sql do not support for column datatype of void in a HIVE view
                 Key: SPARK-20680
                 URL: https://issues.apache.org/jira/browse/SPARK-20680
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.1.1, 2.1.0
            Reporter: Lantao Jin


Create a HIVE view:
{quote}
hive> create table bad as select 1 x, null z from dual;
{quote}

Because there's no type, Hive gives it the VOID type:
{quote}
hive> describe bad;
OK
x	int	
z	void
{quote}

In Spark2.0.x, the behaviour to read this view is normal:
{quote}
spark-sql> describe bad;
x       int     NULL
z       void    NULL
Time taken: 4.431 seconds, Fetched 2 row(s)
{quote}

But in Spark2.1.x, it failed with SparkException: Cannot recognize hive type string: void
{quote}
spark-sql> describe bad;
17/05/09 03:12:08 INFO execution.SparkSqlParser: Parsing command: describe bad
17/05/09 03:12:08 INFO parser.CatalystSqlParser: Parsing command: int
17/05/09 03:12:08 INFO parser.CatalystSqlParser: Parsing command: void
17/05/09 03:12:08 ERROR thriftserver.SparkSQLDriver: Failed in [describe bad]
org.apache.spark.SparkException: Cannot recognize hive type string: void
        at org.apache.spark.sql.hive.client.HiveClientImpl.org$apache$spark$sql$hive$client$HiveClientImpl$$fromHiveColumn(HiveClientImpl.scala:789)
        at org.apache.spark.sql.hive.client.HiveClientImpl$$anonfun$getTableOption$1$$anonfun$apply$11$$anonfun$7.apply(HiveClientImpl.scala:365)
 
        at org.apache.spark.sql.hive.client.HiveClientImpl$$anonfun$getTableOption$1$$anonfun$apply$11$$anonfun$7.apply(HiveClientImpl.scala:365)
 
        at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
        at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
        at scala.collection.Iterator$class.foreach(Iterator.scala:893)
        at scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
        at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
        at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
        at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
        at scala.collection.AbstractTraversable.map(Traversable.scala:104)
        at org.apache.spark.sql.hive.client.HiveClientImpl$$anonfun$getTableOption$1$$anonfun$apply$11.apply(HiveClientImpl.scala:365)
        at org.apache.spark.sql.hive.client.HiveClientImpl$$anonfun$getTableOption$1$$anonfun$apply$11.apply(HiveClientImpl.scala:361)

Caused by: org.apache.spark.sql.catalyst.parser.ParseException:
DataType void() is not supported.(line 1, pos 0)

== SQL ==  
void       
^^^

        ... 61 more
org.apache.spark.SparkException: Cannot recognize hive type string: void


{quote}




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