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[SPARK-26312][SQL]Replace RDDConversions.rowToRowRdd with RowEncoder to improve its conversion performance #23262

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eatoncys wants to merge 7 commits into from
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[SPARK-26312][SQL]Replace RDDConversions.rowToRowRdd with RowEncoder to improve its conversion performance #23262

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ddb2528
Converting converters in RDDConversions into arrays to improve their …
eatoncys Dec 8, 2018
89f3191
Using RowEncoder
eatoncys Dec 10, 2018
907d3f3
Using same parameter
eatoncys Dec 10, 2018
56cf4e5
indent
eatoncys Dec 10, 2018
41937f5
Remove RDDConversions
eatoncys Dec 10, 2018
e8817e3
Remove RDDConversions
eatoncys Dec 10, 2018
9758534
Remove RDDConversions
eatoncys Dec 10, 2018
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Remove RDDConversions
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@eatoncys
eatoncys committed Dec 10, 2018
commit 9758534ef28109df25d4ef9155c54f09ac58a45c
4 changes: 1 addition & 3 deletions sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSourceStrategy.scala
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Expand Up @@ -418,9 +418,7 @@ case class DataSourceStrategy(conf: SQLConf) extends Strategy with Logging with
if (relation.relation.needConversion) {
val converters = RowEncoder(StructType.fromAttributes(output))
rdd.mapPartitions { iterator =>
iterator.map { r =>
converters.toRow(r)
}
iterator.map(converters.toRow)
}
} else {
rdd.asInstanceOf[RDD[InternalRow]]
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