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[SPARK-19436][SQL] Add missing tests for approxQuantile #16776

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[SPARK-19436][SQL] Add missing tests for approxQuantile #16776

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4d42cfd
create pr
zhengruifeng Feb 2, 2017
f259543
update doc
zhengruifeng Feb 2, 2017
5f456b2
update tests
zhengruifeng Feb 3, 2017
cf0b808
update tests
zhengruifeng Feb 4, 2017
9a8fc1e
retuen null for empty input
zhengruifeng Feb 5, 2017
4345709
retuen null for empty input
zhengruifeng Feb 5, 2017
2fbe21a
update doc
zhengruifeng Feb 9, 2017
322141a
add TODO & update @see
zhengruifeng Feb 13, 2017
e5bac53
fix one nit
zhengruifeng Feb 13, 2017
fa1069a
add )
zhengruifeng Feb 13, 2017
d3e3ee0
update doc
zhengruifeng Feb 13, 2017
db23d11
update see annotation
zhengruifeng Feb 14, 2017
7c54234
update see annotation
zhengruifeng Feb 14, 2017
2268d36
update see
zhengruifeng Feb 16, 2017
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update see annotation
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@zhengruifeng
zhengruifeng committed Feb 14, 2017
commit db23d1164edab591816a07686558f95ba6ee9721
3 changes: 1 addition & 2 deletions sql/core/src/main/scala/org/apache/spark/sql/DataFrameStatFunctions.scala
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Expand Up @@ -78,8 +78,7 @@ final class DataFrameStatFunctions private[sql](df: DataFrame) {

/**
* Calculates the approximate quantiles of numerical columns of a DataFrame.
* @see `DataFrameStatsFunctions.approxQuantile(col:Str* approxQuantile)` for detailed
* description.
* @see `approxQuantile(String, Array[Double], Double)` for detailed description.
*
* @param cols the names of the numerical columns
* @param probabilities a list of quantile probabilities
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