/// <summary>
/// Select
/// </summary>
/// <param name="expression">表达式树</param>
/// <param name="sqlPack">sql打包对象</param>
/// <returns>SqlPack</returns>
public override SqlPack Select(NewExpression expression, SqlPack sqlPack)
{
for (var i = 0; i < expression.Members.Count; i++)
{
var argument = expression.Arguments[i];
var member = expression.Members[i];
SqlBuilderProvider.Select(argument, sqlPack);
//添加字段别名
if (argument is MemberExpression memberExpression && memberExpression.Member.Name != member.Name)
{
sqlPack.SelectFields[sqlPack.SelectFields.Count - 1] += $" AS {sqlPack.GetFormatName(member.Name)}";
}
