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[SQL] Add average overflow test case from #978 #1033

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marmbrus wants to merge 4 commits into from
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[SQL] Add average overflow test case from #978 #1033

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1153f75
do best to avoid overflowing in function avg().
egraldlo Jun 5, 2014
d414cd7
fommatting issues
egraldlo Jun 5, 2014
762aeaf
Remove unneeded rule. More descriptive name for test table.
marmbrus Jun 10, 2014
e228c5e
Remove "test".
marmbrus Jun 10, 2014
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6 changes: 6 additions & 0 deletions sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -123,6 +123,12 @@ class SQLQuerySuite extends QueryTest {
2.0)
}

test("average overflow") {
checkAnswer(
sql("SELECT AVG(a),b FROM largeAndSmallInts group by b"),
Seq((2147483645.0,1),(2.0,2)))
}

test("count") {
checkAnswer(
sql("SELECT COUNT(*) FROM testData2"),
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11 changes: 11 additions & 0 deletions sql/core/src/test/scala/org/apache/spark/sql/TestData.scala
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Expand Up @@ -30,6 +30,17 @@ object TestData {
(1 to 100).map(i => TestData(i, i.toString)))
testData.registerAsTable("testData")

case class LargeAndSmallInts(a: Int, b: Int)
val largeAndSmallInts: SchemaRDD =
TestSQLContext.sparkContext.parallelize(
LargeAndSmallInts(2147483644, 1) ::
LargeAndSmallInts(1, 2) ::
LargeAndSmallInts(2147483645, 1) ::
LargeAndSmallInts(2, 2) ::
LargeAndSmallInts(2147483646, 1) ::
LargeAndSmallInts(3, 2) :: Nil)
largeAndSmallInts.registerAsTable("largeAndSmallInts")

case class TestData2(a: Int, b: Int)
val testData2: SchemaRDD =
TestSQLContext.sparkContext.parallelize(
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