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[SPARK-7727] Avoid inner classes in RuleExecutor #6319

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[SPARK-7727] Avoid inner classes in RuleExecutor #6319

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063dec4
In RuleExecutor: Make outer classes: Strategy, Once, FixedPoint, Batch
Jeffrharr May 20, 2015
adbcb39
Merge remote-tracking branch 'upstream/master' into AvoidInnerClasses
Jeffrharr May 20, 2015
229f543
Merge remote-tracking branch 'upstream/master' into AvoidInnerClasses
Jeffrharr May 21, 2015
06fb9ea
Avoid redundant imports
Jeffrharr May 22, 2015
743aafe
Wrap changes into a companion object
Jeffrharr May 28, 2015
ce264cb
Add back explicit type
Jeffrharr May 30, 2015
8020e16
Merge remote-tracking branch 'upstream/master' into AvoidInnerClasses
Jeffrharr Jun 26, 2015
0c38212
Fix includes
Jeffrharr Jun 26, 2015
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3 changes: 2 additions & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
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Expand Up @@ -22,6 +22,7 @@ import org.apache.spark.sql.catalyst.{SimpleCatalystConf, CatalystConf}
import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.catalyst.plans.logical._
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.catalyst.rules.RuleExecutor._
import org.apache.spark.sql.types._
import scala.collection.mutable.ArrayBuffer

Expand Down Expand Up @@ -60,7 +61,7 @@ class Analyzer(
*/
val extendedResolutionRules: Seq[Rule[LogicalPlan]] = Nil

lazy val batches: Seq[Batch] = Seq(
lazy val batches:Seq[Batch] = Seq(
Batch("Substitution", fixedPoint,
CTESubstitution ::
WindowsSubstitution ::
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7 changes: 4 additions & 3 deletions sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/package.scala
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Expand Up @@ -18,7 +18,8 @@
package org.apache.spark.sql.catalyst.expressions

import org.apache.spark.annotation.DeveloperApi
import org.apache.spark.sql.catalyst.rules
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.catalyst.rules.RuleExecutor._
import org.apache.spark.util.Utils

/**
Expand All @@ -28,11 +29,11 @@ import org.apache.spark.util.Utils
package object codegen {

/** Canonicalizes an expression so those that differ only by names can reuse the same code. */
object ExpressionCanonicalizer extends rules.RuleExecutor[Expression] {
object ExpressionCanonicalizer extends RuleExecutor[Expression] {
val batches =
Batch("CleanExpressions", FixedPoint(20), CleanExpressions) :: Nil

object CleanExpressions extends rules.Rule[Expression] {
object CleanExpressions extends Rule[Expression] {
def apply(e: Expression): Expression = e transform {
case Alias(c, _) => c
}
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2 changes: 2 additions & 0 deletions sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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Expand Up @@ -17,6 +17,8 @@

package org.apache.spark.sql.catalyst.optimizer

import org.apache.spark.sql.catalyst.rules.RuleExecutor._

import scala.collection.immutable.HashSet
import org.apache.spark.sql.catalyst.analysis.EliminateSubQueries
import org.apache.spark.sql.catalyst.expressions._
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9 changes: 6 additions & 3 deletions sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/rules/RuleExecutor.scala
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Expand Up @@ -21,8 +21,7 @@ import org.apache.spark.Logging
import org.apache.spark.sql.catalyst.trees.TreeNode
import org.apache.spark.sql.catalyst.util.sideBySide

abstract class RuleExecutor[TreeType <: TreeNode[_]] extends Logging {

object RuleExecutor {
/**
* An execution strategy for rules that indicates the maximum number of executions. If the
* execution reaches fix point (i.e. converge) before maxIterations, it will stop.
Expand All @@ -36,7 +35,11 @@ abstract class RuleExecutor[TreeType <: TreeNode[_]] extends Logging {
case class FixedPoint(maxIterations: Int) extends Strategy

/** A batch of rules. */
protected case class Batch(name: String, strategy: Strategy, rules: Rule[TreeType]*)
case class Batch[TreeType <: TreeNode[_]](name: String, strategy: Strategy, rules: Rule[TreeType]*)
}

abstract class RuleExecutor[TreeType <: TreeNode[_]] extends Logging {
type Batch = RuleExecutor.Batch[TreeType]

/** Defines a sequence of rule batches, to be overridden by the implementation. */
protected val batches: Seq[Batch]
Expand Down
1 change: 1 addition & 0 deletions ...t/src/test/scala/org/apache/spark/sql/catalyst/optimizer/BooleanSimplificationSuite.scala
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Expand Up @@ -22,6 +22,7 @@ import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.catalyst.plans.logical._
import org.apache.spark.sql.catalyst.plans.PlanTest
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.catalyst.rules.RuleExecutor._
import org.apache.spark.sql.catalyst.dsl.plans._
import org.apache.spark.sql.catalyst.dsl.expressions._

Expand Down
1 change: 1 addition & 0 deletions ...atalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/CombiningLimitsSuite.scala
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Expand Up @@ -20,6 +20,7 @@ package org.apache.spark.sql.catalyst.optimizer
import org.apache.spark.sql.catalyst.plans.logical._
import org.apache.spark.sql.catalyst.plans.PlanTest
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.catalyst.rules.RuleExecutor._
import org.apache.spark.sql.catalyst.dsl.plans._
import org.apache.spark.sql.catalyst.dsl.expressions._

Expand Down
3 changes: 2 additions & 1 deletion ...atalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/ConstantFoldingSuite.scala
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Expand Up @@ -21,7 +21,8 @@ import org.apache.spark.sql.catalyst.analysis.{UnresolvedExtractValue, Eliminate
import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.catalyst.plans.logical.{LocalRelation, LogicalPlan}
import org.apache.spark.sql.catalyst.plans.PlanTest
import org.apache.spark.sql.catalyst.rules.RuleExecutor
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.catalyst.rules.RuleExecutor._
import org.apache.spark.sql.types._

// For implicit conversions
Expand Down
3 changes: 2 additions & 1 deletion .../src/test/scala/org/apache/spark/sql/catalyst/optimizer/ConvertToLocalRelationSuite.scala
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Expand Up @@ -23,7 +23,8 @@ import org.apache.spark.sql.catalyst.dsl.plans._
import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.catalyst.plans.PlanTest
import org.apache.spark.sql.catalyst.plans.logical.{LocalRelation, LogicalPlan}
import org.apache.spark.sql.catalyst.rules.RuleExecutor
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.catalyst.rules.RuleExecutor._


class ConvertToLocalRelationSuite extends PlanTest {
Expand Down
1 change: 1 addition & 0 deletions ...catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/FilterPushdownSuite.scala
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Expand Up @@ -23,6 +23,7 @@ import org.apache.spark.sql.catalyst.expressions.{SortOrder, Ascending, Count, E
import org.apache.spark.sql.catalyst.plans.logical._
import org.apache.spark.sql.catalyst.plans.{LeftSemi, PlanTest, LeftOuter, RightOuter}
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.catalyst.rules.RuleExecutor._
import org.apache.spark.sql.catalyst.dsl.plans._
import org.apache.spark.sql.catalyst.dsl.expressions._
import org.apache.spark.sql.types.IntegerType
Expand Down
1 change: 1 addition & 0 deletions ...lyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/LikeSimplificationSuite.scala
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Expand Up @@ -21,6 +21,7 @@ import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.catalyst.plans.logical._
import org.apache.spark.sql.catalyst.plans.PlanTest
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.catalyst.rules.RuleExecutor._

/* Implicit conversions */
import org.apache.spark.sql.catalyst.dsl.expressions._
Expand Down
3 changes: 2 additions & 1 deletion sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/OptimizeInSuite.scala
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Expand Up @@ -22,7 +22,8 @@ import org.apache.spark.sql.catalyst.analysis.{EliminateSubQueries, UnresolvedAt
import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.catalyst.plans.logical.{LocalRelation, LogicalPlan}
import org.apache.spark.sql.catalyst.plans.PlanTest
import org.apache.spark.sql.catalyst.rules.RuleExecutor
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.catalyst.rules.RuleExecutor._
import org.apache.spark.sql.types._

// For implicit conversions
Expand Down
1 change: 1 addition & 0 deletions ...alyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/ProjectCollapsingSuite.scala
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Expand Up @@ -24,6 +24,7 @@ import org.apache.spark.sql.catalyst.expressions.Rand
import org.apache.spark.sql.catalyst.plans.PlanTest
import org.apache.spark.sql.catalyst.plans.logical.{LocalRelation, LogicalPlan}
import org.apache.spark.sql.catalyst.rules.RuleExecutor
import org.apache.spark.sql.catalyst.rules.RuleExecutor._


class ProjectCollapsingSuite extends PlanTest {
Expand Down
1 change: 1 addition & 0 deletions ...est/scala/org/apache/spark/sql/catalyst/optimizer/ReplaceDistinctWithAggregateSuite.scala
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Expand Up @@ -22,6 +22,7 @@ import org.apache.spark.sql.catalyst.dsl.expressions._
import org.apache.spark.sql.catalyst.plans.PlanTest
import org.apache.spark.sql.catalyst.plans.logical.{Aggregate, Distinct, LocalRelation, LogicalPlan}
import org.apache.spark.sql.catalyst.rules.RuleExecutor
import org.apache.spark.sql.catalyst.rules.RuleExecutor._

class ReplaceDistinctWithAggregateSuite extends PlanTest {

Expand Down
1 change: 1 addition & 0 deletions ...cala/org/apache/spark/sql/catalyst/optimizer/SimplifyCaseConversionExpressionsSuite.scala
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Expand Up @@ -21,6 +21,7 @@ import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.catalyst.plans.logical._
import org.apache.spark.sql.catalyst.plans.PlanTest
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.catalyst.rules.RuleExecutor._

/* Implicit conversions */
import org.apache.spark.sql.catalyst.dsl.expressions._
Expand Down
1 change: 1 addition & 0 deletions sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/UnionPushdownSuite.scala
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Expand Up @@ -21,6 +21,7 @@ import org.apache.spark.sql.catalyst.analysis.EliminateSubQueries
import org.apache.spark.sql.catalyst.plans.PlanTest
import org.apache.spark.sql.catalyst.plans.logical._
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.catalyst.rules.RuleExecutor._
import org.apache.spark.sql.catalyst.dsl.plans._
import org.apache.spark.sql.catalyst.dsl.expressions._

Expand Down
3 changes: 2 additions & 1 deletion sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/trees/RuleExecutorSuite.scala
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Expand Up @@ -19,7 +19,8 @@ package org.apache.spark.sql.catalyst.trees

import org.apache.spark.SparkFunSuite
import org.apache.spark.sql.catalyst.expressions.{Expression, IntegerLiteral, Literal}
import org.apache.spark.sql.catalyst.rules.{Rule, RuleExecutor}
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.catalyst.rules.RuleExecutor._

class RuleExecutorSuite extends SparkFunSuite {
object DecrementLiterals extends Rule[Expression] {
Expand Down
2 changes: 2 additions & 0 deletions sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala
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Expand Up @@ -37,7 +37,9 @@ import org.apache.spark.sql.catalyst.errors.DialectException
import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.catalyst.optimizer.{DefaultOptimizer, Optimizer}
import org.apache.spark.sql.catalyst.plans.logical.{LocalRelation, LogicalPlan}
import org.apache.spark.sql.catalyst.ParserDialect
import org.apache.spark.sql.catalyst.rules.RuleExecutor
import org.apache.spark.sql.catalyst.rules.RuleExecutor._
import org.apache.spark.sql.catalyst.{InternalRow, ParserDialect, _}
import org.apache.spark.sql.execution.{Filter, _}
import org.apache.spark.sql.sources._
Expand Down