public override IQueryFilter GetUniqueFilter() { if (UniqueFilterProvider != null) { return(UniqueFilterProvider(this)); } else { var colFilter = new UrlColumns(); return(colFilter.KeyColumn == IdValue); } }
public static long Count(WhereDelegate <UrlColumns> where, Database database = null) { UrlColumns c = new UrlColumns(); IQueryFilter filter = where (c); Database db = database ?? Db.For <Url>(); QuerySet query = GetQuerySet(db); query.Count <Url>(); query.Where(filter); query.Execute(db); return(query.Results.As <CountResult>(0).Value); }
public static Url GetOneWhere(WhereDelegate <UrlColumns> where, Database database = null) { var result = OneWhere(where, database); if (result == null) { UrlColumns c = new UrlColumns(); IQueryFilter filter = where (c); result = CreateFromFilter(filter, database); } return(result); }
public static async Task BatchQuery <ColType>(int batchSize, WhereDelegate <UrlColumns> where, Action <IEnumerable <Url> > batchProcessor, Bam.Net.Data.OrderBy <UrlColumns> orderBy, Database database = null) { await Task.Run(async() => { UrlColumns columns = new UrlColumns(); var results = Top(batchSize, where, orderBy, database); while (results.Count > 0) { await Task.Run(() => { batchProcessor(results); }); ColType top = results.Select(d => d.Property <ColType>(orderBy.Column.ToString())).ToArray().Largest(); results = Top(batchSize, (UrlColumns) where (columns) && orderBy.Column > top, orderBy, database); } }); }
public static async Task BatchQuery(int batchSize, WhereDelegate <UrlColumns> where, Action <IEnumerable <Url> > batchProcessor, Database database = null) { await Task.Run(async() => { UrlColumns columns = new UrlColumns(); var orderBy = Bam.Net.Data.Order.By <UrlColumns>(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, (UrlColumns) where (columns) && columns.KeyColumn > topId, orderBy, database); } }); }
public static UrlCollection Top(int count, WhereDelegate <UrlColumns> where, OrderBy <UrlColumns> orderBy, Database database = null) { UrlColumns c = new UrlColumns(); IQueryFilter filter = where (c); Database db = database ?? Db.For <Url>(); QuerySet query = GetQuerySet(db); query.Top <Url>(count); query.Where(filter); if (orderBy != null) { query.OrderBy <UrlColumns>(orderBy); } query.Execute(db); var results = query.Results.As <UrlCollection>(0); results.Database = db; return(results); }