Esempio n. 1
0
        /// <summary>
        /// tvps
        /// </summary>
        /// <param name="cmd"></param>
        public static void InitTvps(DbCommand cmd, string TableName)
        {
            var sql = new StringBuilder();

            cmd.CommandText = string.Format("select a.name,(select top 1 name from sys.systypes c where a.xtype=c.xtype) as type,length,isnullable,prec,scale from syscolumns a where a.id=object_id('{0}') order by a.colid asc", TableName);
            var dr  = cmd.ExecuteReader();
            var dic = BaseJson.DataReaderToDic(dr);

            dr.Close();

            sql.AppendFormat("if not exists(SELECT 1 FROM sys.table_types where name='{0}')", TableName);
            sql.AppendFormat("CREATE TYPE {0} AS TABLE(", TableName);

            foreach (var item in dic)
            {
                switch (item.GetValue("type").ToStr())
                {
                case "char":
                case "nchar":
                case "varchar":
                case "nvarchar":
                case "varchar2":
                case "nvarchar2":
                    sql.AppendFormat("[{0}] [{1}]({2}) {3},", item.GetValue("name"), item.GetValue("type"), item.GetValue("length"), item.GetValue("isnullable").ToStr() == "1" ? "NULL" : "NOT NULL");
                    break;

                case "decimal":
                case "numeric":
                case "number":
                    if (item.GetValue("prec").ToStr() == "0" && item.GetValue("scale").ToStr() == "0")
                    {
                        sql.AppendFormat("[{0}] [{1}] {2},", item.GetValue("name"), item.GetValue("type"), item.GetValue("isnullable").ToStr() == "1" ? "NULL" : "NOT NULL");
                    }
                    else
                    {
                        sql.AppendFormat("[{0}] [{1}]({2},{3}) {4},", item.GetValue("name"), item.GetValue("type"), item.GetValue("prec"), item.GetValue("scale"), item.GetValue("isnullable").ToStr() == "1" ? "NULL" : "NOT NULL");
                    }
                    break;

                default:
                    sql.AppendFormat("[{0}] [{1}] {2},", item.GetValue("name"), item.GetValue("type"), item.GetValue("isnullable").ToStr() == "1" ? "NULL" : "NOT NULL");
                    break;
                }
            }

            sql.Append(")").Replace(",)", ")");
            cmd.CommandText = sql.ToString();
            cmd.ExecuteNonQuery();
        }