예제 #1
0
 public override IQueryFilter GetUniqueFilter()
 {
     if (UniqueFilterProvider != null)
     {
         return(UniqueFilterProvider());
     }
     else
     {
         var colFilter = new SectionColumns();
         return(colFilter.KeyColumn == IdValue);
     }
 }
예제 #2
0
        public static long Count(WhereDelegate <SectionColumns> where, Database database = null)
        {
            SectionColumns c      = new SectionColumns();
            IQueryFilter   filter = where (c);

            Database db    = database ?? Db.For <Section>();
            QuerySet query = GetQuerySet(db);

            query.Count <Section>();
            query.Where(filter);
            query.Execute(db);
            return(query.Results.As <CountResult>(0).Value);
        }
예제 #3
0
        public static Section GetOneWhere(WhereDelegate <SectionColumns> where, Database database = null)
        {
            var result = OneWhere(where, database);

            if (result == null)
            {
                SectionColumns c      = new SectionColumns();
                IQueryFilter   filter = where (c);
                result = CreateFromFilter(filter, database);
            }

            return(result);
        }
예제 #4
0
 public static async Task BatchQuery(int batchSize, WhereDelegate <SectionColumns> where, Action <IEnumerable <Section> > batchProcessor, Database database = null)
 {
     await Task.Run(async() =>
     {
         SectionColumns columns = new SectionColumns();
         var orderBy            = Bam.Net.Data.Order.By <SectionColumns>(c => c.KeyColumn, Bam.Net.Data.SortOrder.Ascending);
         var results            = Top(batchSize, where, orderBy, database);
         while (results.Count > 0)
         {
             await Task.Run(() =>
             {
                 batchProcessor(results);
             });
             long topId = results.Select(d => d.Property <long>(columns.KeyColumn.ToString())).ToArray().Largest();
             results    = Top(batchSize, (SectionColumns) where (columns) && columns.KeyColumn > topId, orderBy, database);
         }
     });
 }
예제 #5
0
        public static SectionCollection Top(int count, WhereDelegate <SectionColumns> where, OrderBy <SectionColumns> orderBy, Database database = null)
        {
            SectionColumns c      = new SectionColumns();
            IQueryFilter   filter = where (c);

            Database db    = database ?? Db.For <Section>();
            QuerySet query = GetQuerySet(db);

            query.Top <Section>(count);
            query.Where(filter);

            if (orderBy != null)
            {
                query.OrderBy <SectionColumns>(orderBy);
            }

            query.Execute(db);
            var results = query.Results.As <SectionCollection>(0);

            results.Database = db;
            return(results);
        }