/// <summary>
/// 初始化Sql生成器
/// </summary>
/// <param name="matedata">实体元数据解析器</param>
/// <param name="parameterManager">参数管理器</param>
protected SqlBuilderBase(IEntityMatedata matedata = null, IParameterManager parameterManager = null)
{
EntityMatedata = matedata;
EntityResolver = new EntityResolver(matedata);
AliasRegister = new EntityAliasRegister();
_parameterManager = parameterManager;
}
/// <summary>
/// 清空初始化
/// </summary>
public void Clear()
{
AliasRegister = new EntityAliasRegister();
_parameterManager = CreatepParameterManager();
_selectClause = CreateSelectClause();
_fromClause = CreateFromClause();
_joinClause = CreateJoinClause();
_whereClause = CreatewWhereClause();
_groupByClause = CreateGroupByClause();
_orderByClause = CreateOrderByClause();
_pager = null;
_skipCountParam = null;
_pageSizeParam = null;
SqlActionType = SqlActionType.Query;
}