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package com.huaweicloud.dws.client.executor;

import com.huaweicloud.dws.client.DwsConfig;
import com.huaweicloud.dws.client.util.JdbcUtil;
import lombok.extern.slf4j.Slf4j;

import java.util.List;

/**
 * @ProjectName: dws-connector
 * @ClassName: UpsertFromExecutor
 * @Description: 从源表获取数据upsert到目标表
 * @Date: 2023/2/6 15:35
 * @Version: 1.0
 */
@Slf4j
public class UpsertFromExecutor extends MergeExecutor {

    @Override
    protected String getExecuteSql(DwsConfig config, String table, String fromTable, List keys, List insertColumns, List updateColumns) {
        return JdbcUtil.getUpsertFromSql(table, fromTable, keys, updateColumns, insertColumns, config.getConflictStrategy());
    }

    @Override
    protected String getType() {
        return "upsert from ";
    }
}