| // 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 org.apache.impala.authorization.Privilege; |
| import org.apache.impala.catalog.FeHBaseTable; |
| import org.apache.impala.catalog.FeTable; |
| import org.apache.impala.common.AnalysisException; |
| |
| /** |
| * Base class for all ALTER TABLE ... SET statements |
| */ |
| public class AlterTableSetStmt extends AlterTableStmt { |
| protected final PartitionSet partitionSet_; |
| |
| public AlterTableSetStmt(TableName tableName, PartitionSet partitionSet) { |
| super(tableName); |
| partitionSet_ = partitionSet; |
| if (partitionSet_ != null) partitionSet_.setTableName(tableName); |
| } |
| |
| PartitionSet getPartitionSet() { return partitionSet_; } |
| |
| @Override |
| public void analyze(Analyzer analyzer) throws AnalysisException { |
| super.analyze(analyzer); |
| FeTable t = getTargetTable(); |
| // TODO: Support ALTER TABLE SET on HBase tables. Requires validating changes |
| // to the SERDEPROPERTIES and TBLPROPERTIES to ensure the table metadata does not |
| // become invalid. |
| if (t instanceof FeHBaseTable) { |
| throw new AnalysisException("ALTER TABLE SET not currently supported on " + |
| "HBase tables."); |
| } |
| |
| // Altering the table rather than the partition. |
| if (partitionSet_ == null) return; |
| |
| partitionSet_.setPartitionShouldExist(); |
| partitionSet_.setPrivilegeRequirement(Privilege.ALTER); |
| partitionSet_.analyze(analyzer); |
| } |
| } |