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[SPARK-13996][SQL] Add more not null attributes for Filter codegen #11810

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viirya wants to merge 6 commits into from
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[SPARK-13996][SQL] Add more not null attributes for Filter codegen #11810

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8e59a74
Add more not null attributes for Filter codegen.
viirya Mar 18, 2016
376c6f0
Fix bug.
viirya Mar 18, 2016
3d73249
Fix it.
viirya Mar 18, 2016
662c4e3
Use exprId to deal with different qualifiers between child.outout and…
viirya Mar 19, 2016
65ea0dd
Merge remote-tracking branch 'upstream/master' into add-more-not-null…
viirya Apr 2, 2016
0c7afe7
Merge remote-tracking branch 'upstream/master' into add-more-not-null…
viirya Apr 2, 2016
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Fix bug.
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@viirya
viirya committed Mar 18, 2016
commit 376c6f0f57767045732c47d20fa682d12e4f8c6d
8 changes: 6 additions & 2 deletions sql/core/src/main/scala/org/apache/spark/sql/execution/basicOperators.scala
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Expand Up @@ -85,7 +85,7 @@ case class Filter(condition: Expression, child: SparkPlan)

// The columns that will filtered out by `IsNotNull` could be considered as not nullable.
private val notNullAttributes =
notNullPreds.flatMap(_.references) ++ child.output.filterNot(_.nullable)
(notNullPreds.flatMap(_.references) ++ child.output.filterNot(_.nullable)).distinct

override def output: Seq[Attribute] = {
child.output.map { a =>
Expand Down Expand Up @@ -114,7 +114,11 @@ case class Filter(condition: Expression, child: SparkPlan)
// filter out the nulls
val filterOutNull = notNullAttributes.map { a =>
val idx = child.output.indexOf(a)
s"if (${input(idx).isNull}) continue;"
if (idx != -1) {
s"if (${input(idx).isNull}) continue;"
} else {
""
}
}.mkString("\n")

ctx.currentVars = input
Expand Down