| /** |
| * 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.plan.logical; |
| |
| import com.google.common.base.Objects; |
| import com.google.gson.annotations.Expose; |
| import org.apache.commons.lang.StringUtils; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.tajo.catalog.TableDesc; |
| import org.apache.tajo.plan.PlanString; |
| import org.apache.tajo.plan.Target; |
| import org.apache.tajo.plan.expr.EvalNode; |
| import org.apache.tajo.util.TUtil; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| |
| public class PartitionedTableScanNode extends ScanNode { |
| @Expose private Path [] inputPaths; |
| |
| public PartitionedTableScanNode(int pid) { |
| super(pid, NodeType.PARTITIONS_SCAN); |
| } |
| |
| public void init(ScanNode scanNode, Path[] inputPaths) { |
| tableDesc = scanNode.tableDesc; |
| setInSchema(scanNode.getInSchema()); |
| setOutSchema(scanNode.getOutSchema()); |
| this.qual = scanNode.qual; |
| this.targets = scanNode.targets; |
| setInputPaths(inputPaths); |
| |
| if (scanNode.hasAlias()) { |
| alias = scanNode.alias; |
| } |
| } |
| |
| public void clearInputPaths() { |
| this.inputPaths = null; |
| } |
| |
| public void setInputPaths(Path [] paths) { |
| this.inputPaths = paths; |
| if (this.inputPaths != null) { |
| Arrays.sort(inputPaths); |
| } |
| } |
| |
| public Path [] getInputPaths() { |
| return inputPaths; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(this.tableDesc, this.qual, this.targets); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof PartitionedTableScanNode) { |
| PartitionedTableScanNode other = (PartitionedTableScanNode) obj; |
| |
| boolean eq = super.equals(other); |
| eq = eq && TUtil.checkEquals(this.tableDesc, other.tableDesc); |
| eq = eq && TUtil.checkEquals(this.qual, other.qual); |
| eq = eq && TUtil.checkEquals(this.targets, other.targets); |
| eq = eq && TUtil.checkEquals(this.inputPaths, other.inputPaths); |
| |
| return eq; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public Object clone() throws CloneNotSupportedException { |
| PartitionedTableScanNode unionScan = (PartitionedTableScanNode) super.clone(); |
| |
| unionScan.tableDesc = (TableDesc) this.tableDesc.clone(); |
| |
| if (hasQual()) { |
| unionScan.qual = (EvalNode) this.qual.clone(); |
| } |
| |
| if (hasTargets()) { |
| unionScan.targets = new ArrayList<>(); |
| for (Target t : targets) { |
| unionScan.targets.add((Target) t.clone()); |
| } |
| } |
| |
| unionScan.inputPaths = inputPaths; |
| |
| return unionScan; |
| } |
| |
| @Override |
| public void preOrder(LogicalNodeVisitor visitor) { |
| visitor.visit(this); |
| } |
| |
| public void postOrder(LogicalNodeVisitor visitor) { |
| visitor.visit(this); |
| } |
| |
| @Override |
| public PlanString getPlanString() { |
| PlanString planStr = new PlanString(this).appendTitle(" on " + getTableName()); |
| if (hasAlias()) { |
| planStr.appendTitle(" as ").appendTitle(alias); |
| } |
| |
| if (hasQual()) { |
| planStr.addExplan("filter: ").appendExplain(this.qual.toString()); |
| } |
| |
| if (hasTargets()) { |
| planStr.addExplan("target list: ").appendExplain(StringUtils.join(targets, ", ")); |
| } |
| |
| planStr.addDetail("out schema: ").appendDetail(getOutSchema().toString()); |
| planStr.addDetail("in schema: ").appendDetail(getInSchema().toString()); |
| |
| if (inputPaths != null) { |
| planStr.addExplan("num of filtered paths: ").appendExplain(""+ inputPaths.length); |
| int i = 0; |
| for (Path path : inputPaths) { |
| planStr.addDetail((i++) + ": ").appendDetail(path.toString()); |
| } |
| } |
| |
| return planStr; |
| } |
| } |