/*
 * 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.shardingsphere.sharding.distsql.parser.statement;

import lombok.Getter;
import lombok.RequiredArgsConstructor;
import org.apache.shardingsphere.distsql.parser.statement.rdl.drop.DropRuleStatement;
import org.apache.shardingsphere.sharding.distsql.parser.segment.ShardingAlgorithmSegment;

import java.util.Collection;

/**
 * Alter sharding algorithm statement.
 */
@RequiredArgsConstructor
@Getter
public final class AlterShardingAlgorithmStatement extends DropRuleStatement {
    
    private final Collection<ShardingAlgorithmSegment> algorithmSegments;
}

@@ -993,17 +993,19 @@
 rdl.
-drop.Drop
+alter.Alter
 Rule
@@ -1280,12 +1280,13 @@
 nds 
-Drop
+Alter
 Rule

Modify extend class. (#15026)