| /** |
| * 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.algebra; |
| |
| import com.google.gson.annotations.Expose; |
| import com.google.gson.annotations.SerializedName; |
| |
| public class ColumnDefinition extends DataTypeExpr { |
| @Expose @SerializedName("ColumnDefName") |
| String columnName; |
| |
| public ColumnDefinition(String columnName, String dataType) { |
| super(dataType); |
| this.columnName = columnName; |
| } |
| |
| public ColumnDefinition(String columnName, DataTypeExpr dataType) { |
| super(dataType.getTypeName()); |
| |
| this.columnName = columnName; |
| |
| // precision and scale |
| if (dataType.hasLengthOrPrecision()) { |
| setLengthOrPrecision(dataType.lengthOrPrecision); |
| if (dataType.hasScale()) { |
| setScale(dataType.scale); |
| } |
| } |
| |
| // nested records |
| if (dataType.isRecordType()) { |
| this.recordType = dataType.recordType; |
| } |
| |
| // map type |
| if (dataType.isMapType()) { |
| this.mapType = dataType.mapType; |
| } |
| } |
| |
| public String getColumnName() { |
| return this.columnName; |
| } |
| |
| @Override |
| public int hashCode() { |
| int hash = super.hashCode(); |
| return hash * 89 * columnName.hashCode(); |
| |
| } |
| |
| @Override |
| public boolean equalsTo(Expr expr) { |
| if (expr instanceof ColumnDefinition) { |
| ColumnDefinition another = (ColumnDefinition) expr; |
| return columnName.equals(another.columnName) && super.equalsTo(another); |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public Object clone() throws CloneNotSupportedException { |
| ColumnDefinition column = (ColumnDefinition) super.clone(); |
| column.columnName = columnName; |
| return column; |
| } |
| } |