| // 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.impala.analysis; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Represents the PARTITION BY and PARTITIONED BY clauses of a DDL statement. |
| */ |
| class TableDataLayout { |
| |
| private final List<ColumnDef> partitionColDefs_; |
| private final List<KuduPartitionParam> kuduPartitionParams_; |
| |
| private TableDataLayout(List<ColumnDef> partitionColumnDefs, |
| List<KuduPartitionParam> partitionParams) { |
| partitionColDefs_ = partitionColumnDefs; |
| kuduPartitionParams_ = partitionParams; |
| } |
| |
| static TableDataLayout createPartitionedLayout(List<ColumnDef> partitionColumnDefs) { |
| return new TableDataLayout(partitionColumnDefs, |
| new ArrayList<>()); |
| } |
| |
| static TableDataLayout createKuduPartitionedLayout( |
| List<KuduPartitionParam> partitionParams) { |
| return new TableDataLayout(new ArrayList<>(), partitionParams); |
| } |
| |
| static TableDataLayout createEmptyLayout() { |
| return new TableDataLayout(new ArrayList<>(), new ArrayList<>()); |
| } |
| |
| List<ColumnDef> getPartitionColumnDefs() { return partitionColDefs_; } |
| List<KuduPartitionParam> getKuduPartitionParams() { return kuduPartitionParams_; } |
| } |