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

Example 1 with NestedSubplanToJoinRule

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

the class RuleCollections method buildCondPushDownAndJoinInferenceRuleCollection.

public static final List<IAlgebraicRewriteRule> buildCondPushDownAndJoinInferenceRuleCollection() {
    List<IAlgebraicRewriteRule> condPushDownAndJoinInference = new LinkedList<>();
    condPushDownAndJoinInference.add(new PushSelectDownRule());
    condPushDownAndJoinInference.add(new PushSortDownRule());
    condPushDownAndJoinInference.add(new RemoveRedundantListifyRule());
    condPushDownAndJoinInference.add(new CancelUnnestWithNestedListifyRule());
    condPushDownAndJoinInference.add(new SimpleUnnestToProductRule());
    condPushDownAndJoinInference.add(new ComplexUnnestToProductRule());
    condPushDownAndJoinInference.add(new DisjunctivePredicateToJoinRule());
    condPushDownAndJoinInference.add(new PushSelectIntoJoinRule());
    condPushDownAndJoinInference.add(new IntroJoinInsideSubplanRule());
    // Apply RemoveCartesianProductWithEmptyBranchRule before PushMapOperatorDownThroughProductRule
    // to avoid that a constant assignment gets pushed into an empty branch.
    condPushDownAndJoinInference.add(new RemoveCartesianProductWithEmptyBranchRule());
    condPushDownAndJoinInference.add(new PushMapOperatorDownThroughProductRule());
    condPushDownAndJoinInference.add(new PushSubplanWithAggregateDownThroughProductRule());
    condPushDownAndJoinInference.add(new SubplanOutOfGroupRule());
    condPushDownAndJoinInference.add(new AsterixExtractFunctionsFromJoinConditionRule());
    condPushDownAndJoinInference.add(new RemoveRedundantVariablesRule());
    condPushDownAndJoinInference.add(new AsterixInlineVariablesRule());
    condPushDownAndJoinInference.add(new RemoveUnusedAssignAndAggregateRule());
    condPushDownAndJoinInference.add(new FactorRedundantGroupAndDecorVarsRule());
    condPushDownAndJoinInference.add(new PushAggregateIntoNestedSubplanRule());
    condPushDownAndJoinInference.add(new EliminateSubplanRule());
    condPushDownAndJoinInference.add(new PushProperJoinThroughProduct());
    condPushDownAndJoinInference.add(new PushGroupByThroughProduct());
    condPushDownAndJoinInference.add(new NestGroupByRule());
    condPushDownAndJoinInference.add(new EliminateGroupByEmptyKeyRule());
    condPushDownAndJoinInference.add(new PushSubplanIntoGroupByRule());
    condPushDownAndJoinInference.add(new NestedSubplanToJoinRule());
    condPushDownAndJoinInference.add(new EliminateSubplanWithInputCardinalityOneRule());
    // The following rule should be fired after PushAggregateIntoNestedSubplanRule because
    // pulling invariants out of a subplan will make PushAggregateIntoGroupby harder.
    condPushDownAndJoinInference.add(new AsterixMoveFreeVariableOperatorOutOfSubplanRule());
    return condPushDownAndJoinInference;
}

Example 2 with NestedSubplanToJoinRule

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

the class RuleCollections method buildLoadFieldsRuleCollection.

public static final List<IAlgebraicRewriteRule> buildLoadFieldsRuleCollection(ICcApplicationContext appCtx) {
    List<IAlgebraicRewriteRule> fieldLoads = new LinkedList<>();
    fieldLoads.add(new LoadRecordFieldsRule());
    fieldLoads.add(new PushFieldAccessRule());
    // fieldLoads.add(new ByNameToByHandleFieldAccessRule()); -- disabled
    fieldLoads.add(new ByNameToByIndexFieldAccessRule());
    fieldLoads.add(new RemoveRedundantVariablesRule());
    fieldLoads.add(new AsterixInlineVariablesRule());
    fieldLoads.add(new RemoveUnusedAssignAndAggregateRule());
    fieldLoads.add(new ConstantFoldingRule(appCtx));
    fieldLoads.add(new RemoveRedundantSelectRule());
    fieldLoads.add(new FeedScanCollectionToUnnest());
    fieldLoads.add(new NestedSubplanToJoinRule());
    fieldLoads.add(new InlineSubplanInputForNestedTupleSourceRule());
    fieldLoads.add(new RemoveLeftOuterUnnestForLeftOuterJoinRule());
    return fieldLoads;
}