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

Example 1 with PushProjectDownRule

use of org.apache.hyracks.algebricks.rewriter.rules.PushProjectDownRule 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;
}

Example 2 with PushProjectDownRule

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

the class PigletRewriteRuleset method buildPhysicalRewritesAllLevelsRuleCollection.

public static final List<IAlgebraicRewriteRule> buildPhysicalRewritesAllLevelsRuleCollection() {
    List<IAlgebraicRewriteRule> physicalPlanRewrites = new LinkedList<IAlgebraicRewriteRule>();
    physicalPlanRewrites.add(new PullSelectOutOfEqJoin());
    physicalPlanRewrites.add(new SetAlgebricksPhysicalOperatorsRule());
    physicalPlanRewrites.add(new EnforceStructuralPropertiesRule());
    physicalPlanRewrites.add(new PushProjectDownRule());
    physicalPlanRewrites.add(new CopyLimitDownRule());
    return physicalPlanRewrites;
}

Example 3 with PushProjectDownRule

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

the class RuleCollections method buildPlanCleanupRuleCollection.

public static final List<IAlgebraicRewriteRule> buildPlanCleanupRuleCollection() {
    List<IAlgebraicRewriteRule> planCleanupRules = new LinkedList<>();
    planCleanupRules.add(new SwitchInnerJoinBranchRule());
    planCleanupRules.add(new PushAssignBelowUnionAllRule());
    planCleanupRules.add(new ExtractCommonExpressionsRule());
    planCleanupRules.add(new RemoveRedundantVariablesRule());
    planCleanupRules.add(new PushProjectDownRule());
    planCleanupRules.add(new PushSelectDownRule());
    planCleanupRules.add(new SetClosedRecordConstructorsRule());
    planCleanupRules.add(new IntroduceDynamicTypeCastRule());
    planCleanupRules.add(new IntroduceDynamicTypeCastForExternalFunctionRule());
    planCleanupRules.add(new RemoveUnusedAssignAndAggregateRule());
    planCleanupRules.add(new RemoveCartesianProductWithEmptyBranchRule());
    planCleanupRules.add(new InjectTypeCastForSwitchCaseRule());
    planCleanupRules.add(new InjectTypeCastForUnionRule());
    // Needs to invoke ByNameToByIndexFieldAccessRule as the last logical optimization rule because
    // some rules can push a FieldAccessByName to a place where the name it tries to access is in the closed part.
    // For example, a possible scenario is that a field-access-by-name can be pushed down through UnionAllOperator.
    planCleanupRules.add(new ByNameToByIndexFieldAccessRule());
    return planCleanupRules;
}

Example 4 with PushProjectDownRule

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

the class PigletRewriteRuleset method buildOpPushDownRuleCollection.

public static final List<IAlgebraicRewriteRule> buildOpPushDownRuleCollection() {
    List<IAlgebraicRewriteRule> opPushDown = new LinkedList<IAlgebraicRewriteRule>();
    opPushDown.add(new PushProjectDownRule());
    opPushDown.add(new PushSelectDownRule());
    return opPushDown;
}