Package org.modeshape.jcr.query.plan

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

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    @Test
    public void shouldOptimizePlanForQueryUsingView() {
        node = optimize("SELECT v1.c11 AS c1 FROM v1 WHERE v1.c11 = 'x' AND v1.c2 = 'y'");

        // Create the expected plan ...
        PlanNode access = new PlanNode(Type.ACCESS, selector("v1"));
        PlanNode project = new PlanNode(Type.PROJECT, access, selector("v1"));
        project.setProperty(Property.PROJECT_COLUMNS, columns(column("v1", "c11", "c1")));
        PlanNode select1 = new PlanNode(Type.SELECT, project, selector("v1"));
        select1.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("v1"), "c11"), Operator.EQUAL_TO,
                                                                     new Literal("x")));
        PlanNode select2 = new PlanNode(Type.SELECT, select1, selector("v1"));
        select2.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("v1"), "c12"), Operator.EQUAL_TO,
                                                                     new Literal("y")));
        PlanNode select3 = new PlanNode(Type.SELECT, select2, selector("v1"));
        select3.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("v1"), "c13"),
                                                                     Operator.LESS_THAN, new Literal(3L)));
        PlanNode source = new PlanNode(Type.SOURCE, select3, selector("v1"));
        source.setProperty(Property.SOURCE_NAME, selector("t1"));
        source.setProperty(Property.SOURCE_ALIAS, selector("v1"));
        source.setProperty(Property.SOURCE_COLUMNS, context.getSchemata().getTable(selector("t1")).getColumns());

        // Compare the expected and actual plan ...
        assertPlanMatches(access);
    }
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    public void shouldOptimizePlanForQueryUsingViewContainingJoin() {
        node = optimize("SELECT v2.c11 AS c1 FROM v2 WHERE v2.c11 = 'x' AND v2.c12 = 'y'");
        multipleSelectors = true;

        // Create the expected plan ...
        PlanNode project = new PlanNode(Type.PROJECT, selector("t1"));
        project.setProperty(Property.PROJECT_COLUMNS, columns(column("t1", "c11", "c1")));
        PlanNode join = new PlanNode(Type.JOIN, project, selector("t2"), selector("t1"));
        join.setProperty(Property.JOIN_ALGORITHM, JoinAlgorithm.NESTED_LOOP);
        join.setProperty(Property.JOIN_TYPE, JoinType.INNER);
        join.setProperty(Property.JOIN_CONDITION, new EquiJoinCondition(selector("t1"), "c11", selector("t2"), "c21"));

        PlanNode leftAccess = new PlanNode(Type.ACCESS, join, selector("t1"));
        PlanNode leftProject = new PlanNode(Type.PROJECT, leftAccess, selector("t1"));
        leftProject.setProperty(Property.PROJECT_COLUMNS, columns(column("t1", "c11", "c1")));
        PlanNode leftSelect1 = new PlanNode(Type.SELECT, leftProject, selector("t1"));
        leftSelect1.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("t1"), "c11"),
                                                                         Operator.EQUAL_TO, new Literal('x')));
        PlanNode leftSelect2 = new PlanNode(Type.SELECT, leftSelect1, selector("t1"));
        leftSelect2.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("t1"), "c12"),
                                                                         Operator.EQUAL_TO, new Literal('y')));
        PlanNode leftSource = new PlanNode(Type.SOURCE, leftSelect2, selector("t1"));
        leftSource.setProperty(Property.SOURCE_NAME, selector("t1"));
        leftSource.setProperty(Property.SOURCE_COLUMNS, context.getSchemata().getTable(selector("t1")).getColumns());

        PlanNode rightAccess = new PlanNode(Type.ACCESS, join, selector("t2"));
        PlanNode rightProject = new PlanNode(Type.PROJECT, rightAccess, selector("t2"));
        rightProject.setProperty(Property.PROJECT_COLUMNS, columns(nonSelectedColumn("t2", "c21")));
        PlanNode rightSelect1 = new PlanNode(Type.SELECT, rightProject, selector("t2"));
        rightSelect1.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("t2"), "c21"),
                                                                          Operator.EQUAL_TO, new Literal('x')));
        PlanNode rightSource = new PlanNode(Type.SOURCE, rightSelect1, selector("t2"));
        rightSource.setProperty(Property.SOURCE_NAME, selector("t2"));
        rightSource.setProperty(Property.SOURCE_COLUMNS, context.getSchemata().getTable(selector("t2")).getColumns());

        // Compare the expected and actual plan ...
        assertPlanMatches(project);
    }
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    @Test
    public void shouldOptimizePlanForQueryUsingTypeView() {
        node = optimize("SELECT type1.a1 AS a, type1.a2 AS b FROM type1 WHERE CONTAINS(type1.a2,'something')");

        // Create the expected plan ...
        PlanNode access = new PlanNode(Type.ACCESS, selector("type1"));
        PlanNode project = new PlanNode(Type.PROJECT, access, selector("type1"));
        project.setProperty(Property.PROJECT_COLUMNS, columns(column("type1", "a1", "a"), column("type1", "a2", "b")));
        PlanNode select1 = new PlanNode(Type.SELECT, project, selector("type1"));
        select1.setProperty(Property.SELECT_CRITERIA, new FullTextSearch(selector("type1"), "a2", "something"));
        PlanNode select2 = new PlanNode(Type.SELECT, select1, selector("type1"));
        select2.setProperty(Property.SELECT_CRITERIA, new SetCriteria(new PropertyValue(selector("type1"), "primaryType"),
                                                                      new Literal("t1"), new Literal("t0")));
        PlanNode select3 = new PlanNode(Type.SELECT, select2, selector("type1"));
        select3.setProperty(Property.SELECT_CRITERIA, new SetCriteria(new PropertyValue(selector("type1"), "mixins"),
                                                                      new Literal("t3"), new Literal("t4")));
        PlanNode source = new PlanNode(Type.SOURCE, select3, selector("type1"));
        source.setProperty(Property.SOURCE_NAME, selector("all"));
        source.setProperty(Property.SOURCE_ALIAS, selector("type1"));
        source.setProperty(Property.SOURCE_COLUMNS, context.getSchemata().getTable(selector("all")).getColumns());

        // Compare the expected and actual plan ...
        assertPlanMatches(access);
    }
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    public void shouldOptimizePlanForQueryJoiningMultipleTypeViewsUsingIdentityEquiJoin() {
        node = optimize("SELECT type1.a1 AS a, type1.a2 AS b, type2.a3 as c, type2.a4 as d "
                        + "FROM type1 JOIN type2 ON type1.a1 = type2.a3 WHERE CONTAINS(type1.a2,'something')");

        // Create the expected plan ...
        PlanNode access = new PlanNode(Type.ACCESS, selector("type1"));
        PlanNode project = new PlanNode(Type.PROJECT, access, selector("type1"));
        project.setProperty(Property.PROJECT_COLUMNS,
                            columns(column("type1", "a1", "a"), column("type1", "a2", "b"), column("type1", "a3", "c"),
                                    column("type1", "a4", "d")));
        PlanNode select1 = new PlanNode(Type.SELECT, project, selector("type1"));
        select1.setProperty(Property.SELECT_CRITERIA, new FullTextSearch(selector("type1"), "a2", "something"));
        PlanNode select2 = new PlanNode(Type.SELECT, select1, selector("type1"));
        select2.setProperty(Property.SELECT_CRITERIA, new SetCriteria(new PropertyValue(selector("type1"), "primaryType"),
                                                                      new Literal("t1"), new Literal("t0")));
        PlanNode select3 = new PlanNode(Type.SELECT, select2, selector("type1"));
        select3.setProperty(Property.SELECT_CRITERIA, new SetCriteria(new PropertyValue(selector("type1"), "mixins"),
                                                                      new Literal("t3"), new Literal("t4")));
        PlanNode select4 = new PlanNode(Type.SELECT, select3, selector("type1"));
        select4.setProperty(Property.SELECT_CRITERIA, new SetCriteria(new PropertyValue(selector("type1"), "primaryType"),
                                                                      new Literal("t2"), new Literal("t0")));
        PlanNode select5 = new PlanNode(Type.SELECT, select4, selector("type1"));
        select5.setProperty(Property.SELECT_CRITERIA, new SetCriteria(new PropertyValue(selector("type1"), "mixins"),
                                                                      new Literal("t4"), new Literal("t5")));
        PlanNode source = new PlanNode(Type.SOURCE, select5, selector("type1"));
        source.setProperty(Property.SOURCE_NAME, selector("all"));
        source.setProperty(Property.SOURCE_ALIAS, selector("type1"));
        source.setProperty(Property.SOURCE_COLUMNS, context.getSchemata().getTable(selector("all")).getColumns());

        // Compare the expected and actual plan ...
        assertPlanMatches(access);
    }
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    public void shouldOptimizePlanForQueryJoiningMultipleTypeViewsUsingNonIdentityEquiJoin() {
        node = optimize("SELECT type1.a1 AS a, type1.a2 AS b, type2.a3 as c, type2.a4 as d "
                        + "FROM type1 JOIN type2 ON type1.a2 = type2.a3 WHERE CONTAINS(type1.a1,'something')");

        // Create the expected plan ...
        PlanNode project = new PlanNode(Type.PROJECT, selector("type1"), selector("type2"));
        project.setProperty(Property.PROJECT_COLUMNS,
                            columns(column("type1", "a1", "a"), column("type1", "a2", "b"), column("type2", "a3", "c"),
                                    column("type2", "a4", "d")));
        PlanNode join = new PlanNode(Type.JOIN, project, selector("type1"), selector("type2"));
        join.setProperty(Property.JOIN_ALGORITHM, JoinAlgorithm.NESTED_LOOP);
        join.setProperty(Property.JOIN_TYPE, JoinType.INNER);
        join.setProperty(Property.JOIN_CONDITION, new EquiJoinCondition(selector("type1"), "a2", selector("type2"), "a3"));

        PlanNode leftAccess = new PlanNode(Type.ACCESS, join, selector("type1"));
        PlanNode leftProject = new PlanNode(Type.PROJECT, leftAccess, selector("type1"));
        leftProject.setProperty(Property.PROJECT_COLUMNS, columns(column("type1", "a1"), column("type1", "a2")));
        PlanNode leftSelect1 = new PlanNode(Type.SELECT, leftProject, selector("type1"));
        leftSelect1.setProperty(Property.SELECT_CRITERIA, new FullTextSearch(selector("type1"), "a1", "something"));
        PlanNode leftSelect2 = new PlanNode(Type.SELECT, leftSelect1, selector("type1"));
        leftSelect2.setProperty(Property.SELECT_CRITERIA, new SetCriteria(new PropertyValue(selector("type1"), "primaryType"),
                                                                          new Literal("t1"), new Literal("t0")));
        PlanNode leftSelect3 = new PlanNode(Type.SELECT, leftSelect2, selector("type1"));
        leftSelect3.setProperty(Property.SELECT_CRITERIA, new SetCriteria(new PropertyValue(selector("type1"), "mixins"),
                                                                          new Literal("t3"), new Literal("t4")));
        PlanNode leftSource = new PlanNode(Type.SOURCE, leftSelect3, selector("type1"));
        leftSource.setProperty(Property.SOURCE_NAME, selector("all"));
        leftSource.setProperty(Property.SOURCE_ALIAS, selector("type1"));
        leftSource.setProperty(Property.SOURCE_COLUMNS, context.getSchemata().getTable(selector("all")).getColumns());

        PlanNode rightAccess = new PlanNode(Type.ACCESS, join, selector("type2"));
        PlanNode rightProject = new PlanNode(Type.PROJECT, rightAccess, selector("type2"));
        rightProject.setProperty(Property.PROJECT_COLUMNS, columns(column("type2", "a3"), column("type2", "a4")));
        PlanNode rightSelect1 = new PlanNode(Type.SELECT, rightProject, selector("type2"));
        rightSelect1.setProperty(Property.SELECT_CRITERIA, new SetCriteria(new PropertyValue(selector("type2"), "primaryType"),
                                                                           new Literal("t2"), new Literal("t0")));
        PlanNode rightSelect2 = new PlanNode(Type.SELECT, rightSelect1, selector("type2"));
        rightSelect2.setProperty(Property.SELECT_CRITERIA, new SetCriteria(new PropertyValue(selector("type2"), "mixins"),
                                                                           new Literal("t4"), new Literal("t5")));
        PlanNode rightSource = new PlanNode(Type.SOURCE, rightSelect2, selector("type2"));
        rightSource.setProperty(Property.SOURCE_NAME, selector("all"));
        rightSource.setProperty(Property.SOURCE_ALIAS, selector("type2"));
        rightSource.setProperty(Property.SOURCE_COLUMNS, context.getSchemata().getTable(selector("all")).getColumns());

        // Compare the expected and actual plan ...
        assertPlanMatches(project);
    }
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    @Test
    public void shouldOptimizePlanForQueryWithOrderByClauseUsingColumsNotInSelectButUsedInCriteria() {
        node = optimize("SELECT v2.c11 FROM v2 WHERE v2.c11 = 'x' AND v2.c12 = 'y' ORDER BY v2.c11, v2.c12");

        // Create the expected plan ...
        PlanNode sort = new PlanNode(Type.SORT, selector("t1"));
        sort.setProperty(Property.SORT_ORDER_BY, orderings(ascending("t1", "c11"), ascending("t1", "c12")));
        PlanNode project = new PlanNode(Type.PROJECT, sort, selector("t1"));
        project.setProperty(Property.PROJECT_COLUMNS, columns(column("t1", "c11"), column("t1", "c12")));
        PlanNode join = new PlanNode(Type.JOIN, project, selector("t2"), selector("t1"));
        join.setProperty(Property.JOIN_ALGORITHM, JoinAlgorithm.NESTED_LOOP);
        join.setProperty(Property.JOIN_TYPE, JoinType.INNER);
        join.setProperty(Property.JOIN_CONDITION, new EquiJoinCondition(selector("t1"), "c11", selector("t2"), "c21"));

        PlanNode leftAccess = new PlanNode(Type.ACCESS, join, selector("t1"));
        PlanNode leftProject = new PlanNode(Type.PROJECT, leftAccess, selector("t1"));
        leftProject.setProperty(Property.PROJECT_COLUMNS, columns(column("t1", "c11"), column("t1", "c12")));
        PlanNode leftSelect1 = new PlanNode(Type.SELECT, leftProject, selector("t1"));
        leftSelect1.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("t1"), "c11"),
                                                                         Operator.EQUAL_TO, new Literal("x")));
        PlanNode leftSelect2 = new PlanNode(Type.SELECT, leftSelect1, selector("t1"));
        leftSelect2.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("t1"), "c12"),
                                                                         Operator.EQUAL_TO, new Literal("y")));
        PlanNode leftSource = new PlanNode(Type.SOURCE, leftSelect2, selector("t1"));
        leftSource.setProperty(Property.SOURCE_NAME, selector("t1"));
        leftSource.setProperty(Property.SOURCE_COLUMNS, context.getSchemata().getTable(selector("t1")).getColumns());

        PlanNode rightAccess = new PlanNode(Type.ACCESS, join, selector("t2"));
        PlanNode rightProject = new PlanNode(Type.PROJECT, rightAccess, selector("t2"));
        rightProject.setProperty(Property.PROJECT_COLUMNS, columns(column("t2", "c21")));
        PlanNode rightSelect1 = new PlanNode(Type.SELECT, rightProject, selector("t2"));
        rightSelect1.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("t2"), "c21"),
                                                                          Operator.EQUAL_TO, new Literal("x")));
        PlanNode rightSource = new PlanNode(Type.SOURCE, rightSelect1, selector("t2"));
        rightSource.setProperty(Property.SOURCE_NAME, selector("t2"));
        rightSource.setProperty(Property.SOURCE_COLUMNS, context.getSchemata().getTable(selector("t2")).getColumns());

        // Compare the expected and actual plan ...
        assertPlanMatches(sort);
    }
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    @Test
    public void shouldOptimizePlanForQueryWithOrderByClauseUsingColumsNotInSelectOrCriteria() {
        node = optimize("SELECT v2.c11 FROM v2 WHERE v2.c11 = 'x' ORDER BY v2.c11, v2.c12");

        // Create the expected plan ...
        PlanNode sort = new PlanNode(Type.SORT, selector("t1"));
        sort.setProperty(Property.SORT_ORDER_BY, orderings(ascending("t1", "c11"), ascending("t1", "c12")));
        PlanNode project = new PlanNode(Type.PROJECT, sort, selector("t1"));
        project.setProperty(Property.PROJECT_COLUMNS, columns(column("t1", "c11"), column("t1", "c12")));
        PlanNode join = new PlanNode(Type.JOIN, project, selector("t2"), selector("t1"));
        join.setProperty(Property.JOIN_ALGORITHM, JoinAlgorithm.NESTED_LOOP);
        join.setProperty(Property.JOIN_TYPE, JoinType.INNER);
        join.setProperty(Property.JOIN_CONDITION, new EquiJoinCondition(selector("t1"), "c11", selector("t2"), "c21"));

        PlanNode leftAccess = new PlanNode(Type.ACCESS, join, selector("t1"));
        PlanNode leftProject = new PlanNode(Type.PROJECT, leftAccess, selector("t1"));
        leftProject.setProperty(Property.PROJECT_COLUMNS, columns(column("t1", "c11"), column("t1", "c12")));
        PlanNode leftSelect1 = new PlanNode(Type.SELECT, leftProject, selector("t1"));
        leftSelect1.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("t1"), "c11"),
                                                                         Operator.EQUAL_TO, new Literal("x")));
        PlanNode leftSource = new PlanNode(Type.SOURCE, leftSelect1, selector("t1"));
        leftSource.setProperty(Property.SOURCE_NAME, selector("t1"));
        leftSource.setProperty(Property.SOURCE_COLUMNS, context.getSchemata().getTable(selector("t1")).getColumns());

        PlanNode rightAccess = new PlanNode(Type.ACCESS, join, selector("t2"));
        PlanNode rightProject = new PlanNode(Type.PROJECT, rightAccess, selector("t2"));
        rightProject.setProperty(Property.PROJECT_COLUMNS, columns(column("t2", "c21")));
        PlanNode rightSelect1 = new PlanNode(Type.SELECT, rightProject, selector("t2"));
        rightSelect1.setProperty(Property.SELECT_CRITERIA, new Comparison(new PropertyValue(selector("t2"), "c21"),
                                                                          Operator.EQUAL_TO, new Literal("x")));
        PlanNode rightSource = new PlanNode(Type.SOURCE, rightSelect1, selector("t2"));
        rightSource.setProperty(Property.SOURCE_NAME, selector("t2"));
        rightSource.setProperty(Property.SOURCE_COLUMNS, context.getSchemata().getTable(selector("t2")).getColumns());

        // Compare the expected and actual plan ...
        assertPlanMatches(sort);
    }
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    protected PlanNode optimize( String sql ) {
        QueryCommand query = new BasicSqlQueryParser().parseQuery(sql, context.getTypeSystem());
        Problems problems = context.getProblems();
        assertThat("Problems parsing query: " + sql + "\n" + problems, problems.hasErrors(), is(false));
        PlanNode plan = new CanonicalPlanner().createPlan(context, query);
        assertThat("Problems planning query: " + sql + "\n" + problems, problems.hasErrors(), is(false));
        PlanNode optimized = new RuleBasedOptimizer().optimize(context, plan);
        assertThat("Problems optimizing query: " + sql + "\n" + problems, problems.hasErrors(), is(false));
        if (print) {
            System.out.println(sql);
            System.out.println(optimized);
            System.out.println();
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     *      ...     ...
     * </pre>
     */
    @Test
    public void shouldHaveNestedRuleAlwaysSetJoinAlgorithmToNestedLoop() {
        PlanNode join = new PlanNode(Type.JOIN, selector("Selector1"), selector("Selector2"));
        PlanNode s1Source = new PlanNode(Type.SOURCE, join, selector("Selector1"));
        PlanNode s2Source = new PlanNode(Type.SOURCE, join, selector("Selector2"));
        // Set the join type ...
        join.setProperty(Property.JOIN_TYPE, JoinType.INNER);

        // Execute the rule ...
        PlanNode result = nestedRule.execute(context, join, new LinkedList<OptimizerRule>());
        assertThat(result, is(sameInstance(join)));
        assertThat(join.getProperty(Property.JOIN_TYPE, JoinType.class), is(JoinType.INNER));
        assertThat(join.getProperty(Property.JOIN_ALGORITHM, JoinAlgorithm.class), is(JoinAlgorithm.NESTED_LOOP));
        assertChildren(join, s1Source, s2Source);
    }
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        assertChildren(join, s1Source, s2Source);
    }

    @Test
    public void shouldHaveBestRuleAlwaysSetJoinAlgorithmToNestedLoopIfConditionIsDescendantNode() {
        PlanNode join = new PlanNode(Type.JOIN, selector("Ancestor"), selector("Descendant"));
        PlanNode ancestorSource = new PlanNode(Type.SOURCE, join, selector("Ancestor"));
        PlanNode descendantSource = new PlanNode(Type.SOURCE, join, selector("Descendant"));
        // Set the join type and condition ...
        JoinCondition joinCondition = new DescendantNodeJoinCondition(selector("Ancestor"), selector("Descendant"));
        join.setProperty(Property.JOIN_CONDITION, joinCondition);
        join.setProperty(Property.JOIN_TYPE, JoinType.INNER);

        // Execute the rule ...
        PlanNode result = bestRule.execute(context, join, new LinkedList<OptimizerRule>());
        assertThat(result, is(sameInstance(join)));
        assertThat(join.getProperty(Property.JOIN_TYPE, JoinType.class), is(JoinType.INNER));
        assertThat(join.getProperty(Property.JOIN_ALGORITHM, JoinAlgorithm.class), is(JoinAlgorithm.NESTED_LOOP));
        assertThat(join.getProperty(Property.JOIN_CONDITION, JoinCondition.class), is(sameInstance(joinCondition)));
        assertChildren(join, ancestorSource, descendantSource);
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Related Classes of org.modeshape.jcr.query.plan.PlanNode

  • org.modeshape.jcr.query.AbstractQueryTest
  • org.modeshape.jcr.query.engine.IndexPlan
  • org.modeshape.jcr.query.engine.ScanningQueryEngine
  • org.modeshape.jcr.query.optimize.AddAccessNodes
  • org.modeshape.jcr.query.optimize.AddAccessNodesTest
  • org.modeshape.jcr.query.optimize.AddIndexes
  • org.modeshape.jcr.query.optimize.AddJoinConditionColumnsToSources
  • org.modeshape.jcr.query.optimize.AddJoinConditionColumnsToSourcesTest
  • org.modeshape.jcr.query.optimize.AddOrderingColumnsToSources
  • org.modeshape.jcr.query.optimize.ChooseJoinAlgorithm
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