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[SPARK-8279][SQL]Add math function round #6938

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yjshen wants to merge 21 commits into from
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[SPARK-8279][SQL]Add math function round #6938

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653d047
Add math function round
yjshen Jun 22, 2015
7e163ae
style fix
yjshen Jun 22, 2015
56db4bb
Add decimal support to Round
yjshen Jun 23, 2015
7c83e13
more tests on round
yjshen Jun 23, 2015
9be894e
add round functions in o.a.s.sql.functions
yjshen Jun 23, 2015
6cd9a64
refactor Round's constructor
yjshen Jun 23, 2015
2077888
codegen versioned eval
yjshen Jun 23, 2015
5486b2d
DataFrame API modification
yjshen Jun 23, 2015
1b87540
modify checkInputDataTypes using foldable
yjshen Jun 24, 2015
e6f44c4
refactor eval and genCode
yjshen Jun 24, 2015
9bd6930
revert accidental change
yjshen Jun 24, 2015
b0bff79
make round's inner method's name more meaningful
yjshen Jul 3, 2015
c3b9839
rely on implict cast to handle string input
yjshen Jul 3, 2015
d10be4a
use TypeCollection to specify wanted input and implicit cast
yjshen Jul 3, 2015
9555e35
tiny style fix
yjshen Jul 3, 2015
8c7a949
rebase & inputTypes update
yjshen Jul 6, 2015
31dfe7c
refactor round to make it readable
yjshen Jul 10, 2015
302a78a
Add dataframe function test
yjshen Jul 10, 2015
61760ee
address reviews
yjshen Jul 11, 2015
392b65b
add negative scale test in DecimalSuite
yjshen Jul 14, 2015
07a124c
remove useless def children
yjshen Jul 15, 2015
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tiny style fix
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@yjshen
yjshen committed Jul 14, 2015
commit 9555e35f58bbeab84edecd3190be514e268d11c3
2 changes: 1 addition & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/math.scala
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Expand Up @@ -542,7 +542,7 @@ case class Round(child: Expression, scale: Expression) extends Expression with E
}

override def inputTypes: Seq[AbstractDataType] = Seq(
//rely on precedence to implicit cast String into Double
// rely on precedence to implicit cast String into Double
TypeCollection(DoubleType, FloatType, LongType, IntegerType, ShortType, ByteType),
TypeCollection(LongType, IntegerType, ShortType, ByteType))

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