using Ant.Common;
using Ant.Utility;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Ant.DbExpressions
{
    public class DbInsertExpression : DbExpression
    {
        DbTable _table;
        Dictionary<DbColumn, DbExpression> _insertColumns;
        public DbInsertExpression(DbTable table)
            : base(DbExpressionType.Insert, UtilConstants.TypeOfVoid)
        {
            AntUtils.CheckNull(table);

            this._table = table;
            this._insertColumns = new Dictionary<DbColumn, DbExpression>();
        }
        /// <summary>
        /// 表名
        /// </summary>
        public DbTable Table { get { return this._table; } }
        /// <summary>
        /// 组装插入SQL语句的列
        /// </summary>
        public Dictionary<DbColumn, DbExpression> InsertColumns { get { return this._insertColumns; } }

        public override T Accept<T>(DbExpressionVisitor<T> visitor)
        {
            return visitor.Visit(this);
        }
    }
}