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package com.github.antelopeframework.mybatis.shard.converter;

import java.util.Map;

import com.github.antelopeframework.mybatis.shard.ShardContext.ShardOnPair;

import net.sf.jsqlparser.statement.Statement;

/**
 * SQL 语句转换.
 * 
 * @author yangzhi.yzh
 *
 */
public interface SqlConverter {
	
	/**
	 * 根据分表分片策略，进行sql转换
	 * 
	 * @param sqlMapperId MyBatis SQL 映射id
	 * @param statement 
	 * @param shardOns 分区映射参数<数据库表名, {@link ShardOn}注解及其参数值>
	 * @return
	 */
	String convert(String sqlMapperId, Statement statement, Map shardOns);
}