public override IQueryable <Lite <Entity> > GetEntities(List <Filter> filters)
{
var ex = new _EntityColumn(EntityColumnFactory().BuildColumnDescription(), QueryName);
DQueryable <T> query = Query
.ToDQueryable(GetQueryDescription())
.Where(filters)
.Select(new List <Column> {
ex
});
var exp = Expression.Lambda <Func <object, Lite <Entity> > >(Expression.Convert(ex.Token.BuildExpression(query.Context), typeof(Lite <Entity>)), query.Context.Parameter);
return(query.Query.Select(exp));
}
public override Lite <Entity> ExecuteUniqueEntity(UniqueEntityRequest request)
{
var ex = new _EntityColumn(EntityColumnFactory().BuildColumnDescription(), QueryName);
DQueryable <T> orderQuery = Query
.ToDQueryable(GetQueryDescription())
.SelectMany(request.Multiplications)
.Where(request.Filters)
.OrderBy(request.Orders);
var result = orderQuery
.SelectOne(ex.Token)
.Unique(request.UniqueType);
return((Lite <Entity>)result);
}
public override async Task <Lite <Entity>?> ExecuteUniqueEntityAsync(UniqueEntityRequest request, CancellationToken token)
{
var ex = new _EntityColumn(EntityColumnFactory().BuildColumnDescription(), QueryName);
DQueryable <T> orderQuery = Query
.ToDQueryable(GetQueryDescription())
.SelectMany(request.Multiplications)
.Where(request.Filters)
.OrderBy(request.Orders);
var result = await orderQuery
.SelectOne(ex.Token)
.UniqueAsync(request.UniqueType, token);
return((Lite <Entity>?)result);
}
public override IQueryable<Lite<Entity>> GetEntities(QueryEntitiesRequest request)
{
var ex = new _EntityColumn(EntityColumnFactory().BuildColumnDescription(), QueryName);
DQueryable<T> query = Query
.ToDQueryable(GetQueryDescription())
.OrderBy(request.Orders)
.Where(request.Filters)
.Select(new List<Column> { ex });
var exp = Expression.Lambda<Func<object, Lite<Entity>>>(Expression.Convert(ex.Token.BuildExpression(query.Context), typeof(Lite<Entity>)), query.Context.Parameter);
var result = query.Query.Select(exp);
return result.TryTake(request.Count);
}
public override Lite <Entity> ExecuteUniqueEntity(UniqueEntityRequest request)
{
var ex = new _EntityColumn(EntityColumnFactory().BuildColumnDescription(), QueryName);
DQueryable <T> orderQuery = Query
.ToDQueryable(GetQueryDescription())
.SelectMany(request.Multiplications)
.Where(request.Filters)
.OrderBy(request.Orders)
.Select(new List <Column> {
ex
});
var exp = Expression.Lambda <Func <object, Lite <IEntity> > >(Expression.Convert(ex.Token.BuildExpression(orderQuery.Context), typeof(Lite <IEntity>)), orderQuery.Context.Parameter);
return((Lite <Entity>)orderQuery.Query.Select(exp).Unique(request.UniqueType));
}
public override IQueryable <Lite <Entity> > GetEntities(QueryEntitiesRequest request)
{
var ex = new _EntityColumn(EntityColumnFactory().BuildColumnDescription(), QueryName);
DQueryable <T> query = Query
.ToDQueryable(GetQueryDescription())
.SelectMany(request.Multiplications)
.OrderBy(request.Orders)
.Where(request.Filters)
.Select(new List <Column> {
ex
});
var result = query.Query.Select(query.Context.GetEntitySelector());
if (request.Multiplications.Any())
{
result = result.Distinct();
}
return(result.TryTake(request.Count));
}