/*
 * 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 com.dtstack.flink.sql.sink.clickhouse;

import com.dtstack.flink.sql.sink.rdb.dialect.JDBCDialect;

import java.util.Optional;

/**
 * Date: 2020/1/15
 * Company: www.dtstack.com
 * @author maqi
 */
public class ClickhouseDialect implements JDBCDialect {

    @Override
    public boolean canHandle(String url) {
        return url.startsWith("jdbc:clickhouse:");
    }

    @Override
    public Optional<String> defaultDriverName() {
        return Optional.of("ru.yandex.clickhouse.ClickHouseDriver");
    }

    @Override
    public String getUpdateStatement(String tableName, String[] fieldNames, String[] conditionFields) {
        throw new RuntimeException("Clickhouse does not support update sql, please remove primary key or use append mode");
    }
}
