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[SPARK-16278][SPARK-16279][SQL] Implement map_keys/map_values SQL functions #13967

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[SPARK-16278][SPARK-16279][SQL] Implement map_keys/map_values SQL functions #13967

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8a639bc
[SPARK-16278][SPARK-16279][SQL] Implement map_keys/map_values SQL fun…
dongjoon-hyun Jun 29, 2016
8c1ea5b
Remove redundant copy() and add function extended description.
dongjoon-hyun Jun 30, 2016
c0dac4b
Add a null map testcase and remove redundant implementation.
dongjoon-hyun Jun 30, 2016
8db1e65
Remove from `sql.functions`.
dongjoon-hyun Jul 1, 2016
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Remove from sql.functions.
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@dongjoon-hyun
dongjoon-hyun committed Jul 2, 2016
commit 8db1e656f27aa1647fca7c86405959262c3365fd
16 changes: 0 additions & 16 deletions sql/core/src/main/scala/org/apache/spark/sql/functions.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -2760,22 +2760,6 @@ object functions {
*/
def size(e: Column): Column = withExpr { Size(e.expr) }

/**
* Returns the key array of the map.
*
* @group collection_funcs
* @since 2.1.0
*/
def map_keys(e: Column): Column = withExpr { MapKeys(e.expr) }

/**
* Returns the key array of the map.
*
* @group collection_funcs
* @since 2.1.0
*/
def map_values(e: Column): Column = withExpr { MapValues(e.expr) }

/**
* Sorts the input array for the given column in ascending order,
* according to the natural ordering of the array elements.
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8 changes: 0 additions & 8 deletions sql/core/src/test/scala/org/apache/spark/sql/DataFrameFunctionsSuite.scala
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Expand Up @@ -358,18 +358,10 @@ class DataFrameFunctionsSuite extends QueryTest with SharedSQLContext {
(Map[Int, Int](), "y"),
(Map[Int, Int](1 -> 100, 2 -> 200, 3 -> 300), "z")
).toDF("a", "b")
checkAnswer(
df.select(map_keys($"a")),
Seq(Row(Seq(1, 2)), Row(Seq.empty), Row(Seq(1, 2, 3)))
)
checkAnswer(
df.selectExpr("map_keys(a)"),
Seq(Row(Seq(1, 2)), Row(Seq.empty), Row(Seq(1, 2, 3)))
)
checkAnswer(
df.select(map_values($"a")),
Seq(Row(Seq(100, 200)), Row(Seq.empty), Row(Seq(100, 200, 300)))
)
checkAnswer(
df.selectExpr("map_values(a)"),
Seq(Row(Seq(100, 200)), Row(Seq.empty), Row(Seq(100, 200, 300)))
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