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[SPARK-19543] from_json fails when the input row is empty #16881

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brkyvz wants to merge 2 commits into from
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[SPARK-19543] from_json fails when the input row is empty #16881

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49401b1
fix
brkyvz Feb 10, 2017
6ef0f45
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brkyvz Feb 10, 2017
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@brkyvz
brkyvz committed Feb 10, 2017
commit 6ef0f45bde310f4b09ddbdc796246db03df0c080
8 changes: 8 additions & 0 deletions ...alyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/JsonExpressionsSuite.scala
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Expand Up @@ -376,6 +376,14 @@ class JsonExpressionsSuite extends SparkFunSuite with ExpressionEvalHelper {
)
}

test("SPARK-19543: from_json empty input column") {
val schema = StructType(StructField("a", IntegerType) :: Nil)
checkEvaluation(
JsonToStruct(schema, Map.empty, Literal.create(" ", StringType)),
null
)
}

test("to_json") {
val schema = StructType(StructField("a", IntegerType) :: Nil)
val struct = Literal.create(create_row(1), schema)
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