package com.taobao.tddl.executor.cursor;
import java.util.List;
import com.taobao.tddl.optimizer.core.expression.IOrderBy;
public interface ISchematicCursor extends Cursor {
public List<IOrderBy> getOrderBy();
/**
* join查询可能存在多个可能的排序,比如sort merge join,会是左表或者右表的join列
*/
public List<List<IOrderBy>> getJoinOrderBys();
}