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[SPARK-23405] Generate additional constraints for Join's children #20670

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KaiXinXiaoLei wants to merge 8 commits into from
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[SPARK-23405] Generate additional constraints for Join's children #20670

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705ed46
add constranits
huleilei Feb 25, 2018
f44a92a
change code according to review
huleilei Feb 27, 2018
1e0f78a
add test
huleilei Feb 27, 2018
f7d764e
code style
huleilei Feb 27, 2018
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code style
huleilei Feb 28, 2018
ed5c170
change code according to review
huleilei Feb 28, 2018
023f2f7
change code according to review
huleilei Mar 1, 2018
709ed39
add if
huleilei Mar 1, 2018
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@huleilei
huleilei committed Feb 27, 2018
commit f7d764efa435327ba34e829da53c16a6ec16f403
4 changes: 2 additions & 2 deletions ...yst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/QueryPlanConstraints.scala
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Expand Up @@ -23,8 +23,8 @@ import org.apache.spark.sql.catalyst.expressions._
trait QueryPlanConstraints { self: LogicalPlan =>

/**
* An [[ExpressionSet]] that contains an additional set of constraints about equality constraints
* and `isNotNull` constraints.
* An [[ExpressionSet]] that contains an additional set of constraints about equality
* constraints and `isNotNull` constraints.
*/
lazy val allConstraints: ExpressionSet = ExpressionSet(validConstraints
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@gatorsmile gatorsmile Feb 27, 2018

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This should also be guarded by constraintPropagationEnabled

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@gatorsmile gatorsmile Mar 1, 2018

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We still need if (conf.constraintPropagationEnabled)

.union(inferAdditionalConstraints(validConstraints))
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