Cheng Hao created SPARK-8972:
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Summary: Wrong result for rollup
Key: SPARK-8972
URL: https://issues.apache.org/jira/browse/SPARK-8972
Project: Spark
Issue Type: Bug
Components: SQL
Reporter: Cheng Hao
Priority: Critical
{code:java}
import sqlContext.implicits._
case class KeyValue(key: Int, value: String)
val df = sc.parallelize(1 to 5).map(i=>KeyValue(i, i.toString)).toDF
df.registerTempTable("foo")
sqlContext.sql("select count(*) as cnt, key % 100,GROUPING__ID from foo group
by key%100 with rollup").show(100)
// output
+---+---+------------+
|cnt|_c1|GROUPING__ID|
+---+---+------------+
| 1| 4| 0|
| 1| 4| 1|
| 1| 5| 0|
| 1| 5| 1|
| 1| 1| 0|
| 1| 1| 1|
| 1| 2| 0|
| 1| 2| 1|
| 1| 3| 0|
| 1| 3| 1|
+---+---+------------+
{code}
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