/**
 * 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.pulsar.io.jdbc;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.pulsar.io.core.annotations.Connector;
import org.apache.pulsar.io.core.annotations.IOType;

@Connector(
    name = "jdbc-mariadb",
    type = IOType.SINK,
    help = "A simple JDBC sink for MariaDB that writes pulsar messages to a database table",
    configClass = JdbcSinkConfig.class
)
public class MariadbJdbcAutoSchemaSink extends BaseJdbcAutoSchemaSink {

    @Override
    public String generateUpsertQueryStatement() {
        return JdbcUtils.buildInsertSql(tableDefinition)
                + "ON DUPLICATE KEY UPDATE " + JdbcUtils.buildUpdateSqlSetPart(tableDefinition);
    }

    @Override
    public List<JdbcUtils.ColumnId> getColumnsForUpsert() {
        final List<JdbcUtils.ColumnId> columns = new ArrayList<>();
        columns.addAll(tableDefinition.getColumns());
        columns.addAll(tableDefinition.getNonKeyColumns());
        return columns;
    }
}

@@ -893,44 +893,8 @@
 st;%0A
-import java.util.stream.Collectors;%0A
 impo

Remove unused import statement in the MariadbJdbcAutoSchemaSink (#18031)