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[SPARK-34473][SQL] Avoid NPE in DataFrameReader.schema(StructType) #31593

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[SPARK-34473][SQL] Avoid NPE in DataFrameReader.schema(StructType) #31593

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8306ab2
avoid NPE in DataFrameReader.schema(StructType)
cloud-fan Feb 19, 2021
8a38f52
update streaming side
cloud-fan Feb 22, 2021
643f002
address comments
cloud-fan Feb 22, 2021
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address comments
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@cloud-fan
cloud-fan committed Feb 22, 2021
commit 643f002379a712a7fe1da3245ac396a1c4c8ad42
5 changes: 1 addition & 4 deletions sql/core/src/main/scala/org/apache/spark/sql/streaming/DataStreamReader.scala
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Expand Up @@ -79,10 +79,7 @@ final class DataStreamReader private[sql](sparkSession: SparkSession) extends Lo
* @since 2.3.0
*/
def schema(schemaString: String): DataStreamReader = {
val rawSchema = StructType.fromDDL(schemaString)
val schema = CharVarcharUtils.failIfHasCharVarchar(rawSchema).asInstanceOf[StructType]
this.userSpecifiedSchema = Option(schema)
this
schema(StructType.fromDDL(schemaString))
}

/**
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