Examples with PlanNode org.teiid.query.optimizer.relational.plantree.PlanNode used on opensource projects

Example 1 with PlanNode

use of org.teiid.query.optimizer.relational.plantree.PlanNode in project teiid by teiid.

the class TestFrameUtil method testFindSourceNode2.

@Test
public void testFindSourceNode2() {
    PlanNode root = getExamplePlan();
    Set<GroupSymbol> groups = new HashSet<GroupSymbol>();
    groups.add(getGroup(3));
    PlanNode originatingNode = FrameUtil.findOriginatingNode(root, groups);
    assertEquals(NodeConstants.Types.SOURCE, originatingNode.getType());
}

Example 2 with PlanNode

use of org.teiid.query.optimizer.relational.plantree.PlanNode in project teiid by teiid.

the class TestFrameUtil method testNonExistentSource.

@Test
public void testNonExistentSource() {
    PlanNode root = getExamplePlan();
    Set<GroupSymbol> groups = new HashSet<GroupSymbol>();
    groups.add(getGroup(4));
    PlanNode originatingNode = FrameUtil.findOriginatingNode(root, groups);
    assertNull(originatingNode);
}

Example 3 with PlanNode

use of org.teiid.query.optimizer.relational.plantree.PlanNode in project teiid by teiid.

the class TestFrameUtil method getExamplePlan.

/**
 * <pre>
 * Join(groups=[3, 2, 1])
 *   Null(groups=[1])
 *   Select(groups=[2])
 *     Join(groups=[3, 2])
 *       Source(groups=[3])
 *       Access(groups=[2])
 * </pre>
 */
public static PlanNode getExamplePlan() {
    PlanNode joinNode = NodeFactory.getNewNode(NodeConstants.Types.JOIN);
    joinNode.setProperty(NodeConstants.Info.JOIN_TYPE, JoinType.JOIN_CROSS);
    joinNode.addGroup(getGroup(1));
    joinNode.addGroup(getGroup(2));
    joinNode.addGroup(getGroup(3));
    PlanNode nullNode = NodeFactory.getNewNode(NodeConstants.Types.NULL);
    nullNode.addGroup(getGroup(1));
    joinNode.addFirstChild(nullNode);
    PlanNode childCriteria = NodeFactory.getNewNode(NodeConstants.Types.SELECT);
    childCriteria.setProperty(Info.SELECT_CRITERIA, new IsNullCriteria(new Constant(1)));
    childCriteria.addGroup(getGroup(2));
    joinNode.addLastChild(childCriteria);
    PlanNode childJoinNode = NodeFactory.getNewNode(NodeConstants.Types.JOIN);
    childJoinNode.setProperty(NodeConstants.Info.JOIN_TYPE, JoinType.JOIN_CROSS);
    childJoinNode.addGroup(getGroup(2));
    childJoinNode.addGroup(getGroup(3));
    childCriteria.addFirstChild(childJoinNode);
    PlanNode accessNode = NodeFactory.getNewNode(NodeConstants.Types.ACCESS);
    accessNode.addGroup(getGroup(2));
    childJoinNode.addFirstChild(accessNode);
    PlanNode sourceNode = NodeFactory.getNewNode(NodeConstants.Types.SOURCE);
    sourceNode.addGroup(getGroup(3));
    childJoinNode.addFirstChild(sourceNode);
    return joinNode;
}

Example 4 with PlanNode

use of org.teiid.query.optimizer.relational.plantree.PlanNode in project teiid by teiid.

the class TestFrameUtil method testFindJoinSourceNode1.

@Test
public void testFindJoinSourceNode1() {
    PlanNode root = getExamplePlan();
    PlanNode joinSource = FrameUtil.findJoinSourceNode(root.getLastChild());
    assertEquals(NodeConstants.Types.JOIN, joinSource.getType());
}

Example 5 with PlanNode

use of org.teiid.query.optimizer.relational.plantree.PlanNode in project teiid by teiid.

the class TestFrameUtil method testFindSourceNode.

@Test
public void testFindSourceNode() {
    PlanNode root = getExamplePlan();
    Set<GroupSymbol> groups = new HashSet<GroupSymbol>();
    groups.add(getGroup(1));
    PlanNode originatingNode = FrameUtil.findOriginatingNode(root, groups);
    assertEquals(NodeConstants.Types.NULL, originatingNode.getType());
}