Michael Armbrust created SPARK-6967:
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Summary: Internal DateType not handled correctly in caching
Key: SPARK-6967
URL: https://issues.apache.org/jira/browse/SPARK-6967
Project: Spark
Issue Type: Bug
Components: SQL
Reporter: Michael Armbrust
Assignee: Adrian Wang
Priority: Blocker
>From the user list. It looks like data is not implemented correctly in
>in-memory caching. We should also check the JDBC datasource support for date.
{code}
Stack trace of an exception being reported since upgrade to 1.3.0:
java.lang.ClassCastException: java.sql.Date cannot be cast to
java.lang.Integer
at scala.runtime.BoxesRunTime.unboxToInt(BoxesRunTime.java:105)
~[scala-library-2.11.6.jar:na]
at
org.apache.spark.sql.catalyst.expressions.GenericRow.getInt(rows.scala:83)
~[spark-catalyst_2.11-1.3.0.jar:1.3.0]
at
org.apache.spark.sql.columnar.IntColumnStats.gatherStats(ColumnStats.scala:191)
~[spark-sql_2.11-1.3.0.jar:1.3.0]
at
org.apache.spark.sql.columnar.NullableColumnBuilder$class.appendFrom(NullableColumnBuilder.scala:56)
~[spark-sql_2.11-1.3.0.jar:1.3.0]
at
org.apache.spark.sql.columnar.NativeColumnBuilder.org$apache$spark$sql$columnar$compression$CompressibleColumnBuilder$$super$appendFrom(ColumnBuilder.scala:87)
~[spark-sql_2.11-1.3.0.jar:1.3.0]
at
org.apache.spark.sql.columnar.compression.CompressibleColumnBuilder$class.appendFrom(CompressibleColumnBuilder.scala:78)
~[spark-sql_2.11-1.3.0.jar:1.3.0]
at
org.apache.spark.sql.columnar.NativeColumnBuilder.appendFrom(ColumnBuilder.scala:87)
~[spark-sql_2.11-1.3.0.jar:1.3.0]
at
org.apache.spark.sql.columnar.InMemoryRelation$$anonfun$3$$anon$1.next(InMemoryColumnarTableScan.scala:135)
~[spark-sql_2.11-1.3.0.jar:1.3.0]
at
{code}
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