Examples with RemoveUnnecessarySortMergeExchange org.apache.hyracks.algebricks.rewriter.rules.RemoveUnnecessarySortMergeExchange used on opensource projects

Example 1 with RemoveUnnecessarySortMergeExchange

use of org.apache.hyracks.algebricks.rewriter.rules.RemoveUnnecessarySortMergeExchange in project asterixdb by apache.

the class RuleCollections method buildPhysicalRewritesAllLevelsRuleCollection.

public static final List<IAlgebraicRewriteRule> buildPhysicalRewritesAllLevelsRuleCollection() {
    List<IAlgebraicRewriteRule> physicalRewritesAllLevels = new LinkedList<>();
    physicalRewritesAllLevels.add(new PullSelectOutOfEqJoin());
    //Turned off the following rule for now not to change OptimizerTest results.
    physicalRewritesAllLevels.add(new SetupCommitExtensionOpRule());
    physicalRewritesAllLevels.add(new SetAlgebricksPhysicalOperatorsRule());
    physicalRewritesAllLevels.add(new SetAsterixPhysicalOperatorsRule());
    physicalRewritesAllLevels.add(new AddEquivalenceClassForRecordConstructorRule());
    physicalRewritesAllLevels.add(new EnforceStructuralPropertiesRule());
    physicalRewritesAllLevels.add(new RemoveSortInFeedIngestionRule());
    physicalRewritesAllLevels.add(new RemoveUnnecessarySortMergeExchange());
    physicalRewritesAllLevels.add(new PushProjectDownRule());
    physicalRewritesAllLevels.add(new InsertProjectBeforeUnionRule());
    physicalRewritesAllLevels.add(new IntroduceMaterializationForInsertWithSelfScanRule());
    physicalRewritesAllLevels.add(new InlineSingleReferenceVariablesRule());
    physicalRewritesAllLevels.add(new RemoveUnusedAssignAndAggregateRule());
    physicalRewritesAllLevels.add(new ConsolidateAssignsRule());
    // After adding projects, we may need need to set physical operators again.
    physicalRewritesAllLevels.add(new SetAlgebricksPhysicalOperatorsRule());
    return physicalRewritesAllLevels;
}