1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.shardingsphere.proxy.frontend.postgresql.command.query.extended.flush;
19
20 import org.apache.shardingsphere.db.protocol.packet.DatabasePacket;
21 import org.apache.shardingsphere.proxy.frontend.command.executor.CommandExecutor;
22
23 import java.sql.SQLException;
24 import java.util.Collection;
25 import java.util.Collections;
26
27 /**
28 * Command flush executor for PostgreSQL.
29 **/
30 public final class PostgreSQLComFlushExecutor implements CommandExecutor {
31
32 @Override
33 public Collection<DatabasePacket> execute() throws SQLException {
34 return Collections.emptyList();
35 }
36 }