| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.tajo.engine.planner.global; |
| |
| import org.apache.hadoop.fs.Path; |
| import org.apache.tajo.catalog.CatalogUtil; |
| import org.apache.tajo.catalog.Column; |
| import org.apache.tajo.catalog.Schema; |
| import org.apache.tajo.catalog.SortSpec; |
| import org.apache.tajo.catalog.proto.CatalogProtos.StoreType; |
| import org.apache.tajo.common.TajoDataTypes.Type; |
| import org.apache.tajo.engine.json.CoreGsonHelper; |
| import org.apache.tajo.engine.planner.LogicalPlan.PIDFactory; |
| import org.apache.tajo.engine.planner.logical.*; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| public class TestExecutionPlan { |
| |
| @Test |
| public void testJson() { |
| Schema schema = new Schema(); |
| schema.addColumn("id", Type.INT4); |
| schema.addColumn("name", Type.TEXT); |
| schema.addColumn("age", Type.INT2); |
| |
| PIDFactory pidFactory = new PIDFactory(); |
| GroupbyNode groupbyNode = new GroupbyNode(pidFactory.newPID(), |
| new Column[]{schema.getColumn(1), schema.getColumn(2)}); |
| ScanNode scanNode = new ScanNode(pidFactory.newPID(), |
| CatalogUtil.newTableDesc("in", schema, CatalogUtil.newTableMeta(StoreType.CSV), new Path("in"))); |
| |
| groupbyNode.setChild(scanNode); |
| |
| ExecutionPlan plan = new ExecutionPlan(pidFactory); |
| plan.addPlan(groupbyNode); |
| |
| String json = plan.toJson(); |
| ExecutionPlan fromJson = CoreGsonHelper.fromJson(json, ExecutionPlan.class); |
| assertEquals(plan, fromJson); |
| } |
| |
| @Test |
| public void testAddPlan() { |
| Schema schema = new Schema(); |
| schema.addColumn("id", Type.INT4); |
| schema.addColumn("name", Type.TEXT); |
| schema.addColumn("age", Type.INT2); |
| PIDFactory pidFactory = new PIDFactory(); |
| |
| LogicalRootNode root1 = new LogicalRootNode(pidFactory.newPID()); |
| GroupbyNode groupbyNode = new GroupbyNode(pidFactory.newPID(), |
| new Column[]{schema.getColumn(1), schema.getColumn(2)}); |
| ScanNode scanNode = new ScanNode(pidFactory.newPID(), |
| CatalogUtil.newTableDesc("in", schema, CatalogUtil.newTableMeta(StoreType.CSV), new Path("in"))); |
| root1.setChild(groupbyNode); |
| groupbyNode.setChild(scanNode); |
| |
| LogicalRootNode root2 = new LogicalRootNode(pidFactory.newPID()); |
| SortNode sortNode = new SortNode(pidFactory.newPID(), |
| new SortSpec[]{new SortSpec(schema.getColumn(2))}); |
| root2.setChild(sortNode); |
| sortNode.setChild(scanNode); |
| |
| LogicalRootNode root3 = new LogicalRootNode(pidFactory.newPID()); |
| JoinNode joinNode = new JoinNode(pidFactory.newPID()); |
| ScanNode scanNode2 = new ScanNode(pidFactory.newPID(), |
| CatalogUtil.newTableDesc("in2", schema, CatalogUtil.newTableMeta(StoreType.CSV), new Path("in2"))); |
| root3.setChild(joinNode); |
| joinNode.setLeftChild(scanNode); |
| joinNode.setRightChild(scanNode2); |
| |
| ExecutionPlan plan = new ExecutionPlan(pidFactory); |
| plan.addPlan(root1); |
| plan.addPlan(root2); |
| assertEquals(1, plan.getInputContext().size()); |
| assertEquals(1, plan.getChildCount(groupbyNode)); |
| assertEquals(1, plan.getChildCount(sortNode)); |
| assertEquals(plan.getChild(groupbyNode, 0), plan.getChild(sortNode, 0)); |
| |
| // plan.clear(); |
| plan.addPlan(root3); |
| assertEquals(2, plan.getInputContext().size()); |
| assertEquals(3, plan.getParentCount(scanNode)); |
| |
| } |
| |
| @Test |
| public void testToLinkedLogicalNode() throws CloneNotSupportedException { |
| Schema schema = new Schema(); |
| schema.addColumn("id", Type.INT4); |
| schema.addColumn("name", Type.TEXT); |
| schema.addColumn("age", Type.INT2); |
| PIDFactory pidFactory = new PIDFactory(); |
| |
| LogicalRootNode root1 = new LogicalRootNode(pidFactory.newPID()); |
| GroupbyNode groupbyNode = new GroupbyNode(pidFactory.newPID(), |
| new Column[]{schema.getColumn(1), schema.getColumn(2)}); |
| ScanNode scanNode = new ScanNode(pidFactory.newPID(), |
| CatalogUtil.newTableDesc("in", schema, CatalogUtil.newTableMeta(StoreType.CSV), new Path("in"))); |
| ScanNode scanNode2 = new ScanNode(pidFactory.newPID(), |
| CatalogUtil.newTableDesc("in", schema, CatalogUtil.newTableMeta(StoreType.CSV), new Path("in"))); |
| UnionNode unionNode = new UnionNode(pidFactory.newPID(), groupbyNode, scanNode2); |
| unionNode.setOutSchema(schema); |
| unionNode.setInSchema(schema); |
| TableSubQueryNode tableSubQueryNode = new TableSubQueryNode(pidFactory.newPID(), "test", unionNode); |
| root1.setChild(tableSubQueryNode); |
| groupbyNode.setChild(scanNode); |
| |
| LogicalRootNode clone = (LogicalRootNode) root1.clone(); |
| |
| ExecutionPlan plan = new ExecutionPlan(pidFactory); |
| plan.addPlan(root1); |
| |
| assertTrue(clone.getChild().deepEquals(plan.getFirstPlanGroup().toLinkedLogicalNode())); |
| } |
| } |