示例#1
0
        public object Query(Type elementType, Expression expression)
        {
            var converter = new SqlConverter(elementType, connectionType);

            if (TableNames.ContainsKey(elementType))
            {
                converter.TableName = TableNames[elementType];
            }
            var sql = converter.ExpressionConvert(expression);

            OpenConnecion();
            object result = null;

            switch (converter.SelectMode)
            {
            case SelectMode.Count:
                result = connection.QueryFirstOrDefault <int>(sql, converter.DynamicParameters);
                break;

            case SelectMode.Any:
                result = connection.Query(sql, converter.DynamicParameters).Any();
                break;

            case SelectMode.Select:
            case SelectMode.All:
                result = connection.QueryFirstOrDefault(elementType, sql, converter.DynamicParameters);
                break;

            default:
                break;
            }
            return(result);
        }
示例#2
0
        public IEnumerable <T> Query <T>(Expression expression)
        {
            var elementType = GetElementType(expression);
            var converter   = new SqlConverter(elementType, connectionType);

            if (TableNames.ContainsKey(elementType))
            {
                converter.TableName = TableNames[elementType];
            }
            var sql = converter.ExpressionConvert(expression);

            OpenConnecion();
            return(connection.Query <T>(sql, converter.DynamicParameters));
        }