/// <summary>
/// 实例化 <see cref="SqlServerMapperCommand"/> 类的新实例
/// </summary>
/// <param name="context">数据查询提供者</param>
/// <param name="aliases">别名</param>
/// <param name="token">解析上下文参数</param>
public SqlServerMapperCommand(SqlServerDbContext context, TableAliasCache aliases, ResolveToken token)
: base(context.Provider, aliases, token)
{
_aliases = aliases;
_context = context;
_provider = context.Provider as SqlServerDbQueryProvider;
}
/// <summary>
/// 初始化 <see cref="SqlServerJoinExpressionVisitor"/> 类的新实例
/// </summary>
internal SqlServerJoinExpressionVisitor(SqlClient.SqlServerDbContext context, TableAlias aliases, List <DbExpression> joins)
: base(context.Provider, aliases, joins)
{
_joins = joins;
_aliases = aliases;
_context = context;
_provider = context.Provider as SqlClient.SqlServerDbQueryProvider;
}