| // 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.common.AnalysisException; |
| import org.apache.impala.thrift.TCommentOnParams; |
| import org.apache.impala.util.MetaStoreUtil; |
| |
| /** |
| * A base class for COMMENT ON statement. |
| */ |
| public abstract class CommentOnStmt extends StatementBase { |
| protected final String comment_; |
| |
| public CommentOnStmt(String comment) { |
| comment_ = comment; |
| } |
| |
| @Override |
| public void analyze(Analyzer analyzer) throws AnalysisException { |
| if (comment_ != null && comment_.length() > MetaStoreUtil.CREATE_MAX_COMMENT_LENGTH) { |
| throw new AnalysisException(String.format("Comment exceeds maximum length of %d " + |
| "characters. The given comment has %d characters.", |
| MetaStoreUtil.CREATE_MAX_COMMENT_LENGTH, comment_.length())); |
| } |
| } |
| |
| public TCommentOnParams toThrift() { |
| TCommentOnParams params = new TCommentOnParams(); |
| params.setComment(comment_); |
| return params; |
| } |
| } |