Examples with IAlgebraicRewriteRule org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule used on opensource projects

Example 11 with IAlgebraicRewriteRule

use of org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule in project asterixdb by apache.

the class RuleCollections method prepareForJobGenRuleCollection.

public static final List<IAlgebraicRewriteRule> prepareForJobGenRuleCollection() {
    List<IAlgebraicRewriteRule> prepareForJobGenRewrites = new LinkedList<>();
    prepareForJobGenRewrites.add(new IsolateHyracksOperatorsRule(HeuristicOptimizer.hyraxOperatorsBelowWhichJobGenIsDisabled));
    prepareForJobGenRewrites.add(new ExtractCommonOperatorsRule());
    // Re-infer all types, so that, e.g., the effect of not-is-null is
    // propagated.
    prepareForJobGenRewrites.add(new ReinferAllTypesRule());
    prepareForJobGenRewrites.add(new PushGroupByIntoSortRule());
    prepareForJobGenRewrites.add(new SetExecutionModeRule());
    prepareForJobGenRewrites.add(new SweepIllegalNonfunctionalFunctions());
    return prepareForJobGenRewrites;
}

Example 12 with IAlgebraicRewriteRule

use of org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule in project asterixdb by apache.

the class SequentialFixpointRuleController method rewriteWithRuleCollection.

@Override
public boolean rewriteWithRuleCollection(Mutable<ILogicalOperator> root, Collection<IAlgebraicRewriteRule> ruleCollection) throws AlgebricksException {
    boolean anyRuleFired = false;
    boolean anyChange = false;
    do {
        anyChange = false;
        for (IAlgebraicRewriteRule rule : ruleCollection) {
            boolean ruleFired = rewriteOperatorRef(root, rule, true, fullDfs);
            if (ruleFired) {
                anyChange = true;
                anyRuleFired = true;
            }
        }
    } while (anyChange);
    return anyRuleFired;
}

Example 13 with IAlgebraicRewriteRule

use of org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule in project asterixdb by apache.

the class PigletCompiler method buildDefaultPhysicalRewrites.

private static List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> buildDefaultPhysicalRewrites() {
    List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> defaultPhysicalRewrites = new ArrayList<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>>();
    SequentialOnceRuleController seqOnceCtrlAllLevels = new SequentialOnceRuleController(true);
    SequentialOnceRuleController seqOnceCtrlTopLevel = new SequentialOnceRuleController(false);
    defaultPhysicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqOnceCtrlAllLevels, PigletRewriteRuleset.buildPhysicalRewritesAllLevelsRuleCollection()));
    defaultPhysicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqOnceCtrlTopLevel, PigletRewriteRuleset.buildPhysicalRewritesTopLevelRuleCollection()));
    defaultPhysicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqOnceCtrlAllLevels, PigletRewriteRuleset.prepareForJobGenRuleCollection()));
    return defaultPhysicalRewrites;
}

Example 14 with IAlgebraicRewriteRule

use of org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule in project asterixdb by apache.

the class PigletCompiler method buildDefaultLogicalRewrites.

private static List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> buildDefaultLogicalRewrites() {
    List<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>> defaultLogicalRewrites = new ArrayList<Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>>();
    SequentialFixpointRuleController seqCtrlNoDfs = new SequentialFixpointRuleController(false);
    SequentialFixpointRuleController seqCtrlFullDfs = new SequentialFixpointRuleController(true);
    SequentialOnceRuleController seqOnceCtrl = new SequentialOnceRuleController(true);
    defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqOnceCtrl, PigletRewriteRuleset.buildTypeInferenceRuleCollection()));
    defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlFullDfs, PigletRewriteRuleset.buildNormalizationRuleCollection()));
    defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlNoDfs, PigletRewriteRuleset.buildCondPushDownRuleCollection()));
    defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlNoDfs, PigletRewriteRuleset.buildJoinInferenceRuleCollection()));
    defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlNoDfs, PigletRewriteRuleset.buildOpPushDownRuleCollection()));
    defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqOnceCtrl, PigletRewriteRuleset.buildDataExchangeRuleCollection()));
    defaultLogicalRewrites.add(new Pair<AbstractRuleController, List<IAlgebraicRewriteRule>>(seqCtrlNoDfs, PigletRewriteRuleset.buildConsolidationRuleCollection()));
    return defaultLogicalRewrites;
}

Example 15 with IAlgebraicRewriteRule

use of org.apache.hyracks.algebricks.core.rewriter.base.IAlgebraicRewriteRule in project asterixdb by apache.

the class PigletRewriteRuleset method buildTypeInferenceRuleCollection.

public static final List<IAlgebraicRewriteRule> buildTypeInferenceRuleCollection() {
    List<IAlgebraicRewriteRule> typeInfer = new LinkedList<IAlgebraicRewriteRule>();
    typeInfer.add(new InferTypesRule());
    return typeInfer;
}