Package org.modeshape.jcr.query.model

Examples of org.modeshape.jcr.query.model.JoinCondition

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            }
            if (joinType == null) break;
            // Read the name of the selector on the right side of the join ...
            NamedSelector right = parseNamedSelector(tokens, typeSystem);
            // Read the join condition ...
            JoinCondition joinCondition = parseJoinCondition(tokens, typeSystem);
            // Create the join ...
            source = join(source, joinType, right, joinCondition);
        }
        return source;
    }
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                    SelectorName sourceName = node.getProperty(Property.SOURCE_NAME, SelectorName.class);
                    assert sourceName.equals(sourceName); // selector name already matches
                    potentiallyRemovableSources.add(node);
                    break;
                case JOIN:
                    JoinCondition joinCondition = node.getProperty(Property.JOIN_CONDITION, JoinCondition.class);
                    JoinCondition newJoinCondition = replaceViewReferences(context, joinCondition, mappings, node);
                    node.getSelectors().clear();
                    node.setProperty(Property.JOIN_CONDITION, newJoinCondition);
                    node.addSelectors(Visitors.getSelectorsReferencedBy(newJoinCondition));
                    List<Constraint> joinConstraints = node.getPropertyAsList(Property.JOIN_CONSTRAINTS, Constraint.class);
                    if (joinConstraints != null && !joinConstraints.isEmpty()) {
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    public PlanNode execute( QueryContext context,
                             PlanNode plan,
                             LinkedList<OptimizerRule> ruleStack ) {
        // For each of the JOIN nodes ...
        for (PlanNode joinNode : plan.findAllAtOrBelow(Type.JOIN)) {
            JoinCondition condition = joinNode.getProperty(Property.JOIN_CONDITION, JoinCondition.class);
            if (useOnlyNested) {
                joinNode.setProperty(Property.JOIN_ALGORITHM, JoinAlgorithm.NESTED_LOOP);
                break;
            }
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                             LinkedList<OptimizerRule> ruleStack ) {
        Set<PlanNode> copiedSelectNodes = new HashSet<PlanNode>();

        for (PlanNode join : plan.findAllAtOrBelow(Type.JOIN)) {
            // Get the join condition ...
            JoinCondition joinCondition = join.getProperty(Property.JOIN_CONDITION, JoinCondition.class);
            if (joinCondition instanceof EquiJoinCondition) {
                EquiJoinCondition equiJoinCondition = (EquiJoinCondition)joinCondition;
                SelectorName selector1 = equiJoinCondition.selector1Name();
                SelectorName selector2 = equiJoinCondition.selector2Name();
                String property1 = equiJoinCondition.getProperty1Name();
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                             LinkedList<OptimizerRule> ruleStack ) {
        final boolean includeSourceName = context.getHints().qualifyExpandedColumnNames;

        // For each of the JOIN nodes ...
        for (PlanNode joinNode : plan.findAllAtOrBelow(Type.JOIN)) {
            JoinCondition condition = joinNode.getProperty(Property.JOIN_CONDITION, JoinCondition.class);
            if (condition instanceof EquiJoinCondition) {
                EquiJoinCondition equiJoinCondition = (EquiJoinCondition)condition;
                SelectorName selector1 = equiJoinCondition.selector1Name();
                Column joinColumn1 = columnFor(equiJoinCondition.selector1Name(),
                                               equiJoinCondition.getProperty1Name(),
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                             LinkedList<OptimizerRule> ruleStack ) {
        Set<PlanNode> copiedSelectNodes = new HashSet<PlanNode>();

        for (PlanNode join : plan.findAllAtOrBelow(Type.JOIN)) {
            // Get the join condition ...
            JoinCondition joinCondition = join.getProperty(Property.JOIN_CONDITION, JoinCondition.class);
            if (joinCondition instanceof EquiJoinCondition) {
                EquiJoinCondition equiJoinCondition = (EquiJoinCondition)joinCondition;
                SelectorName selector1 = equiJoinCondition.selector1Name();
                SelectorName selector2 = equiJoinCondition.selector2Name();
                String property1 = equiJoinCondition.getProperty1Name();
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                             PlanNode plan,
                             LinkedList<OptimizerRule> ruleStack ) {

        // First go through all the JOIN conditions ...
        for (PlanNode join : plan.findAllAtOrBelow(Traversal.PRE_ORDER, Type.JOIN)) {
            JoinCondition condition = join.getProperty(Property.JOIN_CONDITION, JoinCondition.class);
            JoinCondition newCondition = rewrite(context, condition);
            if (newCondition != condition) {
                join.setProperty(Property.JOIN_CONDITION, newCondition);
            }
            List<Constraint> constraints = join.getPropertyAsList(Property.JOIN_CONSTRAINTS, Constraint.class);
            List<Constraint> newConstraints = rewrite(context, constraints);
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                NodeSequence right = createNodeSequence(originalQuery, joinQueryContext, rightPlan, rightColumns, sources);

                // Figure out the join algorithm ...
                JoinAlgorithm algorithm = plan.getProperty(Property.JOIN_ALGORITHM, JoinAlgorithm.class);
                JoinType joinType = plan.getProperty(Property.JOIN_TYPE, JoinType.class);
                JoinCondition joinCondition = plan.getProperty(Property.JOIN_CONDITION, JoinCondition.class);
                boolean pack = false;
                boolean useHeap = false;
                if (0 >= right.getRowCount() && right.getRowCount() < 100) useHeap = true;
                ExtractFromRow leftExtractor = null;
                ExtractFromRow rightExtractor = null;
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        Map<SelectorName, SelectorName> rewrittenSelectors = null;
        int rewrittenJoins = 0;
        int numJoins = 0;
        for (PlanNode joinNode : plan.findAllAtOrBelow(Type.JOIN)) {
            ++numJoins;
            JoinCondition condition = joinNode.getProperty(Property.JOIN_CONDITION, JoinCondition.class);
            if (condition instanceof EquiJoinCondition) {
                PlanNode leftNode = joinNode.getFirstChild().findAtOrBelow(Type.SOURCE);
                PlanNode rightNode = joinNode.getLastChild().findAtOrBelow(Type.SOURCE);
                assert leftNode != null;
                assert rightNode != null;
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        node = planNode;
        do {
            switch (node.getType()) {
                case JOIN:
                    List<Constraint> criteria = node.getPropertyAsList(Property.JOIN_CONSTRAINTS, Constraint.class);
                    JoinCondition joinCondition = node.getProperty(Property.JOIN_CONDITION, JoinCondition.class);
                    Visitors.visitAll(criteria, collectionVisitor);
                    Visitors.visitAll(joinCondition, collectionVisitor);
                    break;
                case SELECT:
                    Constraint constraint = node.getProperty(Property.SELECT_CRITERIA, Constraint.class);
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Related Classes of org.modeshape.jcr.query.model.JoinCondition

  • org.modeshape.jcr.query.engine.ScanningQueryEngine
  • org.modeshape.jcr.query.optimize.AddJoinConditionColumnsToSources
  • org.modeshape.jcr.query.optimize.ChooseJoinAlgorithm
  • org.modeshape.jcr.query.optimize.ChooseJoinAlgorithmTest
  • org.modeshape.jcr.query.optimize.CopyCriteria
  • org.modeshape.jcr.query.optimize.RaiseSelectCriteria
  • org.modeshape.jcr.query.optimize.RewriteIdentityJoins
  • org.modeshape.jcr.query.optimize.RewritePseudoColumns
  • org.modeshape.jcr.query.parse.BasicSqlQueryParser
  • org.modeshape.jcr.query.plan.PlanUtil
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