public final static List<IAlgebraicRewriteRule> buildNormalizationRuleCollection() { List<IAlgebraicRewriteRule> normalization = new LinkedList<IAlgebraicRewriteRule>(); normalization.add(new EliminateSubplanRule()); normalization.add(new BreakSelectIntoConjunctsRule()); normalization.add(new PushSelectIntoJoinRule()); normalization.add(new ExtractGbyExpressionsRule()); return normalization; }
public static final List<IAlgebraicRewriteRule> buildFuzzyJoinRuleCollection() { List<IAlgebraicRewriteRule> fuzzy = new LinkedList<>(); fuzzy.add(new FuzzyJoinRule()); fuzzy.add(new ExtractCommonExpressionsRule()); fuzzy.add(new NestedSubplanToJoinRule()); fuzzy.add(new PushSelectIntoJoinRule()); fuzzy.add(new RemoveUnusedAssignAndAggregateRule()); fuzzy.add(new InlineSubplanInputForNestedTupleSourceRule()); fuzzy.add(new RemoveRedundantVariablesRule()); fuzzy.add(new AsterixInlineVariablesRule()); fuzzy.add(new RemoveUnusedAssignAndAggregateRule()); return fuzzy; }
/** * When a nested data sources exist, convert the plan to use the join operator. * * @return List of algebraic rewrite rules. */ public final static List<IAlgebraicRewriteRule> buildNestedDataSourceRuleCollection() { List<IAlgebraicRewriteRule> xquery = new LinkedList<IAlgebraicRewriteRule>(); xquery.add(new BreakSelectIntoConjunctsRule()); xquery.add(new SimpleUnnestToProductRule()); 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; }
/** * Unnest more complex structures. * * @return List of algebraic rewrite rules. */ public final static List<IAlgebraicRewriteRule> buildUnnestingRuleCollection() { List<IAlgebraicRewriteRule> xquery = new LinkedList<IAlgebraicRewriteRule>(); xquery.add(new PushSelectDownRule()); xquery.add(new SimpleUnnestToProductRule()); xquery.add(new ComplexUnnestToProductRule()); xquery.add(new ComplexJoinInferenceRule()); xquery.add(new PushSelectIntoJoinRule()); xquery.add(new IntroJoinInsideSubplanRule()); xquery.add(new PushMapOperatorDownThroughProductRule()); xquery.add(new PushSubplanWithAggregateDownThroughProductRule()); xquery.add(new IntroduceGroupByForSubplanRule()); xquery.add(new SubplanOutOfGroupRule()); xquery.add(new InsertOuterJoinRule()); xquery.add(new ExtractFunctionsFromJoinConditionRule()); xquery.add(new RemoveRedundantVariablesRule()); xquery.add(new RemoveUnusedAssignAndAggregateRule()); xquery.add(new FactorRedundantGroupAndDecorVarsRule()); xquery.add(new EliminateSubplanRule()); xquery.add(new EliminateGroupByEmptyKeyRule()); xquery.add(new PushSubplanIntoGroupByRule()); xquery.add(new NestedSubplanToJoinRule()); xquery.add(new EliminateSubplanWithInputCardinalityOneRule()); return xquery; }
condPushDownAndJoinInference.add(new ComplexUnnestToProductRule()); condPushDownAndJoinInference.add(new DisjunctivePredicateToJoinRule()); condPushDownAndJoinInference.add(new PushSelectIntoJoinRule()); condPushDownAndJoinInference.add(new IntroJoinInsideSubplanRule());