Examples with ConstantFoldingRule org.apache.asterix.optimizer.rules.ConstantFoldingRule used on opensource projects

Example 1 with ConstantFoldingRule

use of org.apache.asterix.optimizer.rules.ConstantFoldingRule in project asterixdb by apache.

the class RuleCollections method buildNormalizationRuleCollection.

public static final List<IAlgebraicRewriteRule> buildNormalizationRuleCollection(ICcApplicationContext appCtx) {
    List<IAlgebraicRewriteRule> normalization = new LinkedList<>();
    normalization.add(new ResolveVariableRule());
    normalization.add(new CheckInsertUpsertReturningRule());
    normalization.add(new IntroduceUnnestForCollectionToSequenceRule());
    normalization.add(new EliminateSubplanRule());
    normalization.add(new EnforceOrderByAfterSubplan());
    normalization.add(new BreakSelectIntoConjunctsRule());
    normalization.add(new ExtractGbyExpressionsRule());
    normalization.add(new ExtractDistinctByExpressionsRule());
    normalization.add(new ExtractOrderExpressionsRule());
    // IntroduceStaticTypeCastRule should go before
    // IntroduceDynamicTypeCastRule to
    // avoid unnecessary dynamic casting
    normalization.add(new IntroduceStaticTypeCastForInsertRule());
    normalization.add(new IntroduceDynamicTypeCastRule());
    normalization.add(new IntroduceDynamicTypeCastForExternalFunctionRule());
    normalization.add(new IntroduceEnforcedListTypeRule());
    normalization.add(new ExtractCommonExpressionsRule());
    // Let PushAggFuncIntoStandaloneAggregateRule run after ExtractCommonExpressionsRule
    // so that PushAggFunc can happen in fewer places.
    normalization.add(new PushAggFuncIntoStandaloneAggregateRule());
    normalization.add(new ListifyUnnestingFunctionRule());
    normalization.add(new ConstantFoldingRule(appCtx));
    normalization.add(new RemoveRedundantSelectRule());
    normalization.add(new UnnestToDataScanRule());
    normalization.add(new MetaFunctionToMetaVariableRule());
    normalization.add(new FuzzyEqRule());
    normalization.add(new SimilarityCheckRule());
    return normalization;
}

Example 2 with ConstantFoldingRule

use of org.apache.asterix.optimizer.rules.ConstantFoldingRule 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;
}

Example 3 with ConstantFoldingRule

use of org.apache.asterix.optimizer.rules.ConstantFoldingRule in project asterixdb by apache.

the class RuleCollections method buildPhysicalRewritesTopLevelRuleCollection.

public static final List<IAlgebraicRewriteRule> buildPhysicalRewritesTopLevelRuleCollection(ICcApplicationContext appCtx) {
    List<IAlgebraicRewriteRule> physicalRewritesTopLevel = new LinkedList<>();
    physicalRewritesTopLevel.add(new PushNestedOrderByUnderPreSortedGroupByRule());
    physicalRewritesTopLevel.add(new CopyLimitDownRule());
    // CopyLimitDownRule may generates non-topmost limits with numeric_adds functions.
    // We are going to apply a constant folding rule again for this case.
    physicalRewritesTopLevel.add(new ConstantFoldingRule(appCtx));
    physicalRewritesTopLevel.add(new PushLimitIntoOrderByRule());
    physicalRewritesTopLevel.add(new IntroduceProjectsRule());
    physicalRewritesTopLevel.add(new SetAlgebricksPhysicalOperatorsRule());
    physicalRewritesTopLevel.add(new IntroduceRapidFrameFlushProjectAssignRule());
    physicalRewritesTopLevel.add(new SetExecutionModeRule());
    physicalRewritesTopLevel.add(new IntroduceRandomPartitioningFeedComputationRule());
    return physicalRewritesTopLevel;
}