Package edu.uci.ics.hyracks.algebricks.rewriter.rules

Examples of edu.uci.ics.hyracks.algebricks.rewriter.rules.RemoveRedundantVariablesRule

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        List<IAlgebraicRewriteRule> normalization = new LinkedList<IAlgebraicRewriteRule>();
        normalization.add(new SetVariableIdContextRule());

        // Remove unused functions.
        normalization.add(new RemoveUnusedSortDistinctNodesRule());
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());

        // TODO Fix the group by operator before putting back in the rule set.
        //        normalization.add(new ConvertAssignSortDistinctNodesToOperatorsRule());

        normalization.add(new RemoveUnusedTreatRule());
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());

        // Find unnest followed by aggregate in a subplan.
        normalization.add(new EliminateUnnestAggregateSubplanRule());
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());

        // Remove single tuple input subplans and merge unnest aggregate operators.
        // TODO Fix EliminateSubplanForSinglePathsRule to check for variables used after the subplan.
        //        normalization.add(new EliminateSubplanForSinglePathsRule());
        normalization.add(new EliminateUnnestAggregateSequencesRule());

        normalization.add(new ConvertAssignToUnnestRule());

        // Used to clean up any missing noops after all the subplans have been altered.
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());

        // Convert to a data source scan operator.
        normalization.add(new SetCollectionDataSourceRule());
        normalization.add(new IntroduceCollectionRule());
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    public final static List<IAlgebraicRewriteRule> buildXQueryNormalizationRuleCollection() {
        List<IAlgebraicRewriteRule> normalization = new LinkedList<IAlgebraicRewriteRule>();

        // Find assign for scalar aggregate function followed by an aggregate operator.
        normalization.add(new ConsolidateAssignAggregateRule());
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());

        // Find assign for scalar aggregate function.
        normalization.add(new ConvertAssignToAggregateRule());

        // Use two step aggregate operators if possible.
        normalization.add(new IntroduceTwoStepAggregateRule());

        // Used to clean up any missing noops after all the subplans have been altered.
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());

        return normalization;
    }
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        normalization.add(new RemoveRedundantPromoteExpressionsRule());
        normalization.add(new RemoveRedundantCastExpressionsRule());
        normalization.add(new ConvertToAlgebricksExpressionsRule());
        normalization.add(new RemoveRedundantBooleanExpressionsRule());
        // Clean up
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());
        return normalization;
    }
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        xquery.add(new PushMapOperatorDownThroughProductRule());
        xquery.add(new PushSubplanWithAggregateDownThroughProductRule());
        xquery.add(new PushSelectDownRule());
        xquery.add(new PushSelectIntoJoinRule());
        // Clean up
        xquery.add(new RemoveRedundantVariablesRule());
        xquery.add(new RemoveUnusedAssignAndAggregateRule());
        return xquery;
    }
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        List<IAlgebraicRewriteRule> normalization = new LinkedList<IAlgebraicRewriteRule>();
        normalization.add(new SetVariableIdContextRule());

        // Remove unused functions.
        normalization.add(new RemoveUnusedSortDistinctNodesRule());
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());

        // TODO Fix the group by operator before putting back in the rule set.
        //        normalization.add(new ConvertAssignSortDistinctNodesToOperatorsRule());

        normalization.add(new RemoveUnusedTreatRule());
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());

        // Find unnest followed by aggregate in a subplan.
        normalization.add(new EliminateUnnestAggregateSubplanRule());
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());

        // Remove single tuple input subplans and merge unnest aggregate operators.
        // TODO Fix EliminateSubplanForSinglePathsRule to check for variables used after the subplan.
        //        normalization.add(new EliminateSubplanForSinglePathsRule());
        normalization.add(new EliminateUnnestAggregateSequencesRule());

        normalization.add(new ConvertAssignToUnnestRule());

        // Used to clean up any missing noops after all the subplans have been altered.
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());

        // Convert to a data source scan operator.
        normalization.add(new SetCollectionDataSourceRule());
        normalization.add(new IntroduceCollectionRule());
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    public final static List<IAlgebraicRewriteRule> buildXQueryNormalizationRuleCollection() {
        List<IAlgebraicRewriteRule> normalization = new LinkedList<IAlgebraicRewriteRule>();

        // Find assign for scalar aggregate function followed by an aggregate operator.
        normalization.add(new ConsolidateAssignAggregateRule());
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());

        // Find assign for scalar aggregate function.
        // normalization.add(new ConvertAssignToAggregateRule());

        // Use two step aggregate operators if possible.
        normalization.add(new IntroduceTwoStepAggregateRule());

        // Used to clean up any missing noops after all the subplans have been altered.
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());

        return normalization;
    }
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        normalization.add(new RemoveRedundantPromoteExpressionsRule());
        normalization.add(new RemoveRedundantCastExpressionsRule());
        normalization.add(new ConvertToAlgebricksExpressionsRule());
        normalization.add(new RemoveRedundantBooleanExpressionsRule());
        // Clean up
        normalization.add(new RemoveRedundantVariablesRule());
        normalization.add(new RemoveUnusedAssignAndAggregateRule());
        return normalization;
    }
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        xquery.add(new PushMapOperatorDownThroughProductRule());
        xquery.add(new PushSubplanWithAggregateDownThroughProductRule());
        xquery.add(new PushSelectDownRule());
        xquery.add(new PushSelectIntoJoinRule());
        // Clean up
        xquery.add(new RemoveRedundantVariablesRule());
        xquery.add(new RemoveUnusedAssignAndAggregateRule());
        return xquery;
    }
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Related Classes of edu.uci.ics.hyracks.algebricks.rewriter.rules.RemoveRedundantVariablesRule

  • org.apache.vxquery.compiler.rewriter.RewriteRuleset
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