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[SPARK-20254][SQL] Remove unnecessary data conversion for Dataset with primitive array #17568

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kiszk wants to merge 19 commits into from
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[SPARK-20254][SQL] Remove unnecessary data conversion for Dataset with primitive array #17568

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1ece803
initial commit
kiszk Apr 7, 2017
c042ff2
addressed review comment
kiszk Apr 8, 2017
264a18b
add an optimizer to remove MapObjects
kiszk Apr 10, 2017
82a1f2b
add test suites to check deserializer in DeserializeToObjectExec
kiszk Apr 10, 2017
cc3c7bd
eliminate no-op AssertNotNull
kiszk Apr 14, 2017
7d43d27
remove unnecessary Mapobjects by checking MapObjects and lambdaVariable
kiszk Apr 14, 2017
3bcee3f
fix scala style error
kiszk Apr 14, 2017
1b24be0
use simpler matchings
kiszk Apr 14, 2017
5174b5e
use non-e2e test suite
kiszk Apr 14, 2017
e608c45
rebase with master
kiszk Apr 15, 2017
2ee4030
fix test failure
kiszk Apr 15, 2017
1d6ab36
address review comments
kiszk Apr 16, 2017
0fd8c25
rebase with master
kiszk Apr 16, 2017
791aad9
address review comments
kiszk Apr 16, 2017
f695e50
address review comments
kiszk Apr 17, 2017
ce6927d
remove MapObject with LambdaVariable if it is for primitive type (non…
kiszk Apr 18, 2017
a6bedee
remove unused import
kiszk Apr 18, 2017
c0dca2b
address review comment
kiszk Apr 18, 2017
8de6915
address review comment
kiszk Apr 18, 2017
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address review comment
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@kiszk
kiszk committed Apr 18, 2017
commit c0dca2ba463b954b4af1611bad17a851088607bf
10 changes: 0 additions & 10 deletions sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/objects.scala
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Expand Up @@ -106,16 +106,6 @@ object CombineTypedFilters extends Rule[LogicalPlan] {
* representation of data item. For example back to back map operations.
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@viirya viirya Apr 18, 2017

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Can we rephrase this comment too? It looks weird.

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@kiszk kiszk Apr 18, 2017

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thanks, deleted

*/
object EliminateMapObjects extends Rule[LogicalPlan] {
/*
def apply(plan: LogicalPlan): LogicalPlan = plan transform {
case DeserializeToObject(Invoke(
MapObjects(_, _, _, _ : LambdaVariable, inputData, None),
funcName, returnType: ObjectType, arguments, propagateNull, returnNullable),
outputObjAttr, child) =>
DeserializeToObject(Invoke(
inputData, funcName, returnType, arguments, propagateNull, returnNullable),
outputObjAttr, child)
*/
def apply(plan: LogicalPlan): LogicalPlan = plan transformAllExpressions {
case MapObjects(_, _, _, LambdaVariable(_, _, _, false), inputData, None) => inputData
}
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