Package org.modeshape.jcr.query.plan

Examples of org.modeshape.jcr.query.plan.PlanNode$Operation

374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
     * </pre>
     */
    @Test
    public void shouldMarkAsHavingNoResultsWhenComparisonsSpecifyRangeWithNonOverlappingBoundary() {
        // Each of the PROJECT, SELECT, and SELECT nodes must have the names of the selectors that they apply to ...
        PlanNode access = new PlanNode(Type.ACCESS, selector("t1"));
        PlanNode project = new PlanNode(Type.PROJECT, access, selector("t1"));
        PlanNode select1 = new PlanNode(Type.SELECT, project, selector("t1"));
        PlanNode select2 = new PlanNode(Type.SELECT, select1, selector("t1"));
        PlanNode select3 = new PlanNode(Type.SELECT, select2, selector("t1"));
        PlanNode source = new PlanNode(Type.SOURCE, select3, selector("t1"));
        source.setProperty(Property.SOURCE_NAME, selector("t1"));
        select1.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("t1"), "c2"), Operator.EQUAL_TO,
                                                                     new Literal(100L)));
        select2.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("t1"), "c1"), Operator.LESS_THAN,
                                                                     new Literal(3L)));
        select3.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("t1"), "c1"),
                                                                     Operator.GREATER_THAN, new Literal(3L)));

        // Execute the rule ...
        print(access);
        PlanNode result = executeRules(access);
        print(result);

        // Compare results ...
        assertThat(result, is(sameInstance(access)));
        assertChildren(access, project);
View Full Code Here
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
                Set<SelectorName> rightSelectors = joinNode.getLastChild().getSelectors();
                List<Object> leftSortBy = new LinkedList<Object>();
                List<Object> rightSortBy = new LinkedList<Object>();
                createOrderBysForJoinCondition(condition, leftSelectors, leftSortBy, rightSelectors, rightSortBy);

                PlanNode leftSort = new PlanNode(Type.SORT, leftSelectors);
                leftSort.setProperty(Property.SORT_ORDER_BY, leftSortBy);
                joinNode.getFirstChild().insertAsParent(leftSort);
                if (joinNode.getFirstChild().findAllAtOrBelow(Type.DUP_REMOVE).isEmpty()) {
                    // There is no duplicate removal below the left-hand side of the join, so insert it ...
                    PlanNode leftDupRemoval = new PlanNode(Type.DUP_REMOVE, leftSelectors);
                    joinNode.getFirstChild().insertAsParent(leftDupRemoval);
                }

                // There is no sort below the right-hand side of the join, so insert it ...
                PlanNode rightSort = new PlanNode(Type.SORT, rightSelectors);
                rightSort.setProperty(Property.SORT_ORDER_BY, rightSortBy);
                joinNode.getLastChild().insertAsParent(rightSort);
                if (joinNode.getLastChild().findAllAtOrBelow(Type.DUP_REMOVE).isEmpty()) {
                    // There is no duplicate removal below the right-hand side of the join, so insert it ...
                    PlanNode rightDupRemoval = new PlanNode(Type.DUP_REMOVE, rightSelectors);
                    joinNode.getLastChild().insertAsParent(rightDupRemoval);
                }
            }
        }
        return plan;
View Full Code Here
38
39
40
41
42
43
44
45
46
47
48
49
50
                             LinkedList<OptimizerRule> ruleStack ) {
        // For each of the JOIN nodes ...
        for (PlanNode joinNode : plan.findAllAtOrBelow(Type.JOIN)) {
            if (JoinType.RIGHT_OUTER == joinNode.getProperty(Property.JOIN_TYPE, JoinType.class)) {
                // Swap the information ...
                PlanNode left = joinNode.getFirstChild();
                left.removeFromParent(); // right is now the first child ...
                left.setParent(joinNode);
                joinNode.setProperty(Property.JOIN_TYPE, JoinType.LEFT_OUTER);
                // None of the Constraints or JoinCondition need to be changed (they refer to named selectors) ...
            }
        }
        return plan;
View Full Code Here
123
124
125
126
127
128
129
130
131
132
133
134
135
136
                SelectorName selector2 = equiJoinCondition.selector2Name();
                String property1 = equiJoinCondition.getProperty1Name();
                String property2 = equiJoinCondition.getProperty2Name();

                // Walk up the tree looking for SELECT nodes that apply to one of the sides ...
                PlanNode node = join.getParent();
                while (node != null) {
                    if (!copiedSelectNodes.contains(node)) {
                        PlanNode copy = copySelectNode(context, node, selector1, property1, selector2, property2);
                        if (copy != null) {
                            node.insertAsParent(copy);
                            copiedSelectNodes.add(node);
                            copiedSelectNodes.add(copy);
                        } else {
View Full Code Here
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
        // We know that this constraint ONLY applies to the referenced selector and property,
        // so we will duplicate this constraint ...

        // Create the new node ...
        PlanNode copy = new PlanNode(Type.SELECT, copySelectorName);

        // Copy the constraint, but change the references to the copy selector and property ...
        PlanUtil.ColumnMapping mappings = new PlanUtil.ColumnMapping(selectorName);
        mappings.map(propertyName, new Column(copySelectorName, copyPropertyName, copyPropertyName));
        Constraint newCriteria = PlanUtil.replaceReferences(context, constraint, mappings, copy);
        copy.setProperty(Property.SELECT_CRITERIA, newCriteria);

        return copy;
    }
View Full Code Here
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
            }

            // If any columns were added only for the sort, we need to insert a PROJECT without the sort-only column(s)...
            if (!columnsOnlyForSort.isEmpty()) {
                // Find the existing project below the sort ...
                PlanNode existingProject = sortNode.findAtOrBelow(Type.PROJECT);
                List<Column> columns = existingProject.getPropertyAsList(Property.PROJECT_COLUMNS, Column.class);
                List<String> types = existingProject.getPropertyAsList(Property.PROJECT_COLUMN_TYPES, String.class);
                columns = new ArrayList<Column>(columns);
                types = new ArrayList<String>(types);
                for (Column sortOnlyColumn : columnsOnlyForSort) {
                    int index = columns.indexOf(sortOnlyColumn);
                    if (index >= 0) {
                        columns.remove(index);
                        types.remove(index);
                    }
                }

                // Determine the minimum selectors ...
                Set<SelectorName> selectors = new HashSet<SelectorName>();
                for (Column column : columns) {
                    selectors.add(column.selectorName());
                }

                // Now create a new PROJECT that wraps the SORT to remove the column(s) needed by the SORT ...
                PlanNode newProject = new PlanNode(Type.PROJECT);
                newProject.addSelectors(selectors);
                newProject.setProperty(Property.PROJECT_COLUMNS, columns);
                newProject.setProperty(Property.PROJECT_COLUMN_TYPES, types);

                // And insert the new PROJECT node ...
                sortNode.insertAsParent(newProject);
                if (plan == sortNode) plan = newProject;
            }
View Full Code Here
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
            addSortColumn(context, child, sortColumn);
        }

        if (node.is(Type.SORT)) {
            // Get the child node, which should be a PROJECT ...
            PlanNode child = node.findAtOrBelow(Type.PROJECT);
            if (child != null && !child.getSelectors().contains(sortColumn.selectorName())) {
                // Make sure the PROJECT includes the missing columns, even when the selector is not included ...
                List<Column> columns = child.getPropertyAsList(Property.PROJECT_COLUMNS, Column.class);
                List<String> types = child.getPropertyAsList(Property.PROJECT_COLUMN_TYPES, String.class);
                if (columns != null && addIfMissing(context, sortColumn, columns, types)) {
                    child.setProperty(Property.PROJECT_COLUMNS, columns);
                    child.setProperty(Property.PROJECT_COLUMN_TYPES, types);
                    added = true;
                }
            }
        }
        return added;
View Full Code Here
61
62
63
64
65
66
67
68
69
70
71
        for (PlanNode source : plan.findAllAtOrBelow(Type.SOURCE)) {
            // The source node may have children if it is a view ...
            if (source.getChildCount() != 0) continue;

            // Create the ACCESS node, set the selectors, and insert above the source node ...
            PlanNode access = new PlanNode(Type.ACCESS);
            access.addSelectors(source.getSelectors());
            source.insertAsParent(access);
        }
        return plan;
    }
View Full Code Here
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
                        foundNoResults = true;
                        break; // don't do anything else under this access node
                    }
                    if (merged != null) {
                        // Add a SELECT node for the new merged constraint ...
                        PlanNode newSelect = new PlanNode(Type.SELECT);
                        newSelect.getSelectors().addAll(selectors);
                        newSelect.setProperty(Property.SELECT_CRITERIA, merged);

                        // And insert the SELECT node into the tree (just below the ACCESS, we'll rerun pushdown selects) ...
                        assert access.getChildCount() == 1;
                        access.getFirstChild().insertAsParent(newSelect);
                        rewritten = true;
                    }

                    // Remove any of the SELECT nodes that were not needed (this can happen if the constraints are not needed) ...
                    Iterator<PlanNode> nodeIter = selectNodes.iterator();
                    Iterator<Comparison> constraintIter = rangeConstraints.iterator();
                    while (nodeIter.hasNext()) {
                        assert constraintIter.hasNext();
                        PlanNode node = nodeIter.next();
                        Comparison comparison = constraintIter.next();
                        if (comparison == null) {
                            // This comparison was rewritten, so remove the PlanNode ...
                            node.extractFromParent();
                            nodeIter.remove();
                        }
                    }
                    assert !constraintIter.hasNext();
                }
View Full Code Here
56
57
58
59
60
61
62
63
64
65
66
67
                swapChildren = !join.getFirstChild().getSelectors().contains(parentSelector);
            }

            JoinType joinType = join.getProperty(Property.JOIN_TYPE, JoinType.class);
            if (swapChildren) {
                PlanNode first = join.getFirstChild();
                first.removeFromParent();
                join.addLastChild(first);
                if (joinType == JoinType.LEFT_OUTER){
                    //we've reversed an outer join, so we need to change the join type
                    join.setProperty(Property.JOIN_TYPE, JoinType.RIGHT_OUTER);
                } else if (joinType == JoinType.RIGHT_OUTER) {
View Full Code Here
TOP

Related Classes of org.modeshape.jcr.query.plan.PlanNode$Operation

  • com.mongodb.BasicDBObject
  • com.opengamma.engine.target.ComputationTargetReference
  • com.opengamma.id.ExternalIdBundle
  • javassist.ClassPool
  • org.andromda.metafacades.emf.uml2.CallEventFacadeLogicImpl
  • org.andromda.metafacades.emf.uml2.FrontEndEventLogicImpl
  • org.apache.cassandra.config.ColumnDefinition
  • org.apache.hivemind.service.MethodSignature
  • org.eclipse.bpmn2.impl.InputOutputBindingImpl
  • org.eclipse.bpmn2.impl.MessageEventDefinitionImpl
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.