/// <summary>
        /// 未查询到数据时返回 null
        /// </summary>
        public static TEarthworkBlock DbSelect(this TEarthworkBlock entity, DbSession session, params PDMDbProperty[] fields)
        {
            var           query   = session.GetDbQueryBuilder();
            SelectBuilder builder = new SelectBuilder();

            if (fields.Count() == 0)
            {
                builder.ComponentSelect.Add(TEarthworkBlockProperties.Segregation);
                builder.ComponentSelect.Add(TEarthworkBlockProperties.IssueDateTime);
                builder.ComponentSelect.Add(TEarthworkBlockProperties.Id);
                builder.ComponentSelect.Add(TEarthworkBlockProperties.Indexer);
                builder.ComponentSelect.Add(TEarthworkBlockProperties.Name);
                builder.ComponentSelect.Add(TEarthworkBlockProperties.Description);
                builder.ComponentSelect.Add(TEarthworkBlockProperties.CPSettings);
                builder.ComponentSelect.Add(TEarthworkBlockProperties.EarthworkBlockImplementationInfo);
            }
            else
            {
                builder.ComponentSelect.Add(TEarthworkBlockProperties.Segregation);
                builder.ComponentSelect.Add(TEarthworkBlockProperties.IssueDateTime);
                builder.ComponentSelect.Add(TEarthworkBlockProperties.Id);
                foreach (var field in fields)
                {
                    builder.ComponentSelect.Add(field);
                }
            }
            builder.ComponentWhere.Add(new ComponentValueOfWhere(TEarthworkBlockProperties.Segregation, entity.Segregation, LocateType.Equal));
            builder.ComponentWhere.Add(new ComponentValueOfWhere(TEarthworkBlockProperties.IssueDateTime, entity.IssueDateTime, LocateType.Equal));
            builder.ComponentWhere.Add(new ComponentValueOfWhere(TEarthworkBlockProperties.Id, entity.Id, LocateType.Equal));
            query.SelectBuilders.Add(builder);
            return(session.GetQueryOperator().Select <TEarthworkBlock>(query));
        }
        /// <summary>
        /// 未查询到数据时返回 null
        /// </summary>
        public static TEarthworkBlock DbSelect(this TEarthworkBlock entity, DbSession session, SelectBuilder select)
        {
            var query = session.GetDbQueryBuilder();

            query.SelectBuilder = select;
            return(session.GetQueryOperator().Select <TEarthworkBlock>(query));
        }
        public static bool DbDelete(this TEarthworkBlock entity, DbSession session)
        {
            var query = session.GetDbQueryBuilder();

            query.DeleteBuilder.ComponentWhere.Add(new ComponentValueOfWhere(TEarthworkBlockProperties.Segregation, entity.Segregation, LocateType.Equal));
            query.DeleteBuilder.ComponentWhere.Add(new ComponentValueOfWhere(TEarthworkBlockProperties.IssueDateTime, entity.IssueDateTime, LocateType.Equal));
            query.DeleteBuilder.ComponentWhere.Add(new ComponentValueOfWhere(TEarthworkBlockProperties.Id, entity.Id, LocateType.Equal));
            return(session.GetQueryOperator().Delete <TEarthworkBlock>(query));
        }
        public static bool DbInsert(this TEarthworkBlock entity, DbSession session)
        {
            var           query   = session.GetDbQueryBuilder();
            InsertBuilder builder = new InsertBuilder();

            if (entity.Segregation == null)
            {
                throw new NotImplementedException("缺少必填的参数项值, 参数项: " + nameof(entity.Segregation));
            }
            if (entity.Segregation.Length > 36)
            {
                throw new NotImplementedException(string.Format("参数项:{0}长度:{1}超过额定限制:{2}", nameof(entity.Segregation), entity.Segregation.Length, 36));
            }
            builder.ComponentInsert.Add(new ComponentValueOfInsert(TEarthworkBlockProperties.Segregation, entity.Segregation));
            builder.ComponentInsert.Add(new ComponentValueOfInsert(TEarthworkBlockProperties.IssueDateTime, entity.IssueDateTime));
            builder.ComponentInsert.Add(new ComponentValueOfInsert(TEarthworkBlockProperties.Id, entity.Id));
            builder.ComponentInsert.Add(new ComponentValueOfInsert(TEarthworkBlockProperties.Indexer, entity.Indexer));
            if (entity.Name == null)
            {
                throw new NotImplementedException("缺少必填的参数项值, 参数项: " + nameof(entity.Name));
            }
            if (entity.Name.Length > 100)
            {
                throw new NotImplementedException(string.Format("参数项:{0}长度:{1}超过额定限制:{2}", nameof(entity.Name), entity.Name.Length, 100));
            }
            builder.ComponentInsert.Add(new ComponentValueOfInsert(TEarthworkBlockProperties.Name, entity.Name));
            if (entity.Description == null)
            {
                throw new NotImplementedException("缺少必填的参数项值, 参数项: " + nameof(entity.Description));
            }
            if (entity.Description.Length > 1000)
            {
                throw new NotImplementedException(string.Format("参数项:{0}长度:{1}超过额定限制:{2}", nameof(entity.Description), entity.Description.Length, 1000));
            }
            builder.ComponentInsert.Add(new ComponentValueOfInsert(TEarthworkBlockProperties.Description, entity.Description));
            if (entity.CPSettings == null)
            {
                throw new NotImplementedException("缺少必填的参数项值, 参数项: " + nameof(entity.CPSettings));
            }
            if (entity.CPSettings.Length > 1000)
            {
                throw new NotImplementedException(string.Format("参数项:{0}长度:{1}超过额定限制:{2}", nameof(entity.CPSettings), entity.CPSettings.Length, 1000));
            }
            builder.ComponentInsert.Add(new ComponentValueOfInsert(TEarthworkBlockProperties.CPSettings, entity.CPSettings));
            if (entity.EarthworkBlockImplementationInfo == null)
            {
                throw new NotImplementedException("缺少必填的参数项值, 参数项: " + nameof(entity.EarthworkBlockImplementationInfo));
            }
            if (entity.EarthworkBlockImplementationInfo.Length > 1000)
            {
                throw new NotImplementedException(string.Format("参数项:{0}长度:{1}超过额定限制:{2}", nameof(entity.EarthworkBlockImplementationInfo), entity.EarthworkBlockImplementationInfo.Length, 1000));
            }
            builder.ComponentInsert.Add(new ComponentValueOfInsert(TEarthworkBlockProperties.EarthworkBlockImplementationInfo, entity.EarthworkBlockImplementationInfo));
            query.InsertBuilders.Add(builder);
            return(session.GetQueryOperator().Insert <TEarthworkBlock>(query));
        }
        public static bool FetchEarthworkBlockElements(this TEarthworkBlock tEarthworkBlock, DbSession session)
        {
            var           query   = session.GetDbQueryBuilder();
            SelectBuilder builder = new SelectBuilder();

            builder.ComponentWhere.Add(new ComponentValueOfWhere(TEarthworkBlockElementProperties.Segregation, tEarthworkBlock.Segregation, LocateType.Equal));
            builder.ComponentWhere.Add(new ComponentValueOfWhere(TEarthworkBlockElementProperties.IssueDateTime, tEarthworkBlock.IssueDateTime, LocateType.Equal));
            builder.ComponentWhere.Add(new ComponentValueOfWhere(TEarthworkBlockElementProperties.Id, tEarthworkBlock.Id, LocateType.Equal));
            query.SelectBuilders.Add(builder);
            tEarthworkBlock.EarthworkBlockElements = session.GetQueryOperator().SelectAll <TEarthworkBlockElement>(query);
            return(tEarthworkBlock.EarthworkBlockElements.Count > 0);
        }
        public static bool DbUpdate(this TEarthworkBlock entity, DbSession session, params PDMDbProperty[] fields)
        {
            var           query   = session.GetDbQueryBuilder();
            UpdateBuilder builder = new UpdateBuilder();

            builder.ComponentWhere.Add(new ComponentValueOfWhere(TEarthworkBlockProperties.Segregation, entity.Segregation, LocateType.Equal));
            builder.ComponentWhere.Add(new ComponentValueOfWhere(TEarthworkBlockProperties.IssueDateTime, entity.IssueDateTime, LocateType.Equal));
            builder.ComponentWhere.Add(new ComponentValueOfWhere(TEarthworkBlockProperties.Id, entity.Id, LocateType.Equal));
            if (fields == null || fields.Length == 0)
            {
                builder.ComponentSet.Add(new ComponentValueOfSet(TEarthworkBlockProperties.Indexer, entity.Indexer));
                builder.ComponentSet.Add(new ComponentValueOfSet(TEarthworkBlockProperties.Name, entity.Name));
                builder.ComponentSet.Add(new ComponentValueOfSet(TEarthworkBlockProperties.Description, entity.Description));
                builder.ComponentSet.Add(new ComponentValueOfSet(TEarthworkBlockProperties.CPSettings, entity.CPSettings));
                builder.ComponentSet.Add(new ComponentValueOfSet(TEarthworkBlockProperties.EarthworkBlockImplementationInfo, entity.EarthworkBlockImplementationInfo));
            }
            else
            {
                if (fields.Contains(TEarthworkBlockProperties.Indexer))
                {
                    builder.ComponentSet.Add(new ComponentValueOfSet(TEarthworkBlockProperties.Indexer, entity.Indexer));
                }
                if (fields.Contains(TEarthworkBlockProperties.Name))
                {
                    builder.ComponentSet.Add(new ComponentValueOfSet(TEarthworkBlockProperties.Name, entity.Name));
                }
                if (fields.Contains(TEarthworkBlockProperties.Description))
                {
                    builder.ComponentSet.Add(new ComponentValueOfSet(TEarthworkBlockProperties.Description, entity.Description));
                }
                if (fields.Contains(TEarthworkBlockProperties.CPSettings))
                {
                    builder.ComponentSet.Add(new ComponentValueOfSet(TEarthworkBlockProperties.CPSettings, entity.CPSettings));
                }
                if (fields.Contains(TEarthworkBlockProperties.EarthworkBlockImplementationInfo))
                {
                    builder.ComponentSet.Add(new ComponentValueOfSet(TEarthworkBlockProperties.EarthworkBlockImplementationInfo, entity.EarthworkBlockImplementationInfo));
                }
            }
            query.UpdateBuilders.Add(builder);
            return(session.GetQueryOperator().Update <TEarthworkBlock>(query));
        }
        /// <summary>
        /// 存在相应对象时返回true,缺少对象时返回false
        /// </summary>
        public static bool DbLoad(this TEarthworkBlock entity, DbSession session, params PDMDbProperty[] fields)
        {
            var result = entity.DbSelect(session, fields);

            if (result == null)
            {
                return(false);
            }
            if (fields.Count() == 0)
            {
                entity.Indexer     = result.Indexer;
                entity.Name        = result.Name;
                entity.Description = result.Description;
                entity.CPSettings  = result.CPSettings;
                entity.EarthworkBlockImplementationInfo = result.EarthworkBlockImplementationInfo;
            }
            else
            {
                if (fields.Contains(TEarthworkBlockProperties.Indexer))
                {
                    entity.Indexer = result.Indexer;
                }
                if (fields.Contains(TEarthworkBlockProperties.Name))
                {
                    entity.Name = result.Name;
                }
                if (fields.Contains(TEarthworkBlockProperties.Description))
                {
                    entity.Description = result.Description;
                }
                if (fields.Contains(TEarthworkBlockProperties.CPSettings))
                {
                    entity.CPSettings = result.CPSettings;
                }
                if (fields.Contains(TEarthworkBlockProperties.EarthworkBlockImplementationInfo))
                {
                    entity.EarthworkBlockImplementationInfo = result.EarthworkBlockImplementationInfo;
                }
            }
            return(true);
        }