/// <summary>
/// Delete directly from a view using a filter
/// </summary>
/// <typeparam name="TRowSchema"></typeparam>
/// <param name="filter"></param>
/// <returns></returns>
public int ViewDelete <TRowSchema>(Expression <Predicate <TRowSchema> > filter)
{
LINQString ls = new LINQString();
ls.Visit(filter);
Packet p = CreatePacket();
p.Command = "viewdelete-t";
p.Data = new object[] { typeof(TRowSchema).AssemblyQualifiedName, ls.sb.ToString() };
ReturnPacket ret = (ReturnPacket)_client.Send(p);
return((int)ret.Data);
}
/// <summary>
/// Count with LINQ filter
/// </summary>
/// <typeparam name="TRowSchema"></typeparam>
/// <param name="filter"></param>
/// <returns></returns>
public int Count <TRowSchema>(Expression <Predicate <TRowSchema> > filter)
{
LINQString ls = new LINQString();
ls.Visit(filter);
Packet p = CreatePacket();
p.Command = "gcount";
p.Viewname = typeof(TRowSchema).AssemblyQualifiedName;
p.Data = ls.sb.ToString();
ReturnPacket ret = (ReturnPacket)_client.Send(p);
return((int)ret.Data);
}
/// <summary>
/// Execute server side queries
/// </summary>
/// <typeparam name="TRowSchema"></typeparam>
/// <param name="func"></param>
/// <param name="filter"></param>
/// <returns></returns>
public object[] ServerSide <TRowSchema>(ServerSideFunc func, Expression <Predicate <TRowSchema> > filter)
{
LINQString ls = new LINQString();
ls.Visit(filter);
Packet p = CreatePacket();
p.Command = "serverside";
p.Data = new object[] { func.Method.ReflectedType.AssemblyQualifiedName, func.Method.Name, ls.sb.ToString() };
ReturnPacket ret = (ReturnPacket)_client.Send(p);
return((object[])ret.Data);
}
/// <summary>
/// Query with LINQ filter and paging
/// </summary>
/// <typeparam name="TRowSchema"></typeparam>
/// <param name="filter"></param>
/// <param name="start"></param>
/// <param name="count"></param>
/// <returns></returns>
public Result <TRowSchema> Query <TRowSchema>(Expression <Predicate <TRowSchema> > filter, int start, int count, string orderby)
{
LINQString ls = new LINQString();
ls.Visit(filter);
Packet p = CreatePacket();
p.Command = "querytype";
p.Start = start;
p.Count = count;
p.OrderBy = orderby;
p.Data = new object[] { typeof(TRowSchema).AssemblyQualifiedName, ls.sb.ToString() };
ReturnPacket ret = (ReturnPacket)_client.Send(p);
Result <object> res = (Result <object>)ret.Data;
return(GenericResult <TRowSchema>(res));
}
/// <summary>
/// Query a View with a LINQ filter with paging
/// </summary>
/// <typeparam name="TRowSchema"></typeparam>
/// <param name="viewname"></param>
/// <param name="filter"></param>
/// <param name="start"></param>
/// <param name="count"></param>
/// <returns></returns>
public Result <object> Query <TRowSchema>(string viewname, Expression <Predicate <TRowSchema> > filter, int start, int count, string orderby)
{
LINQString ls = new LINQString();
ls.Visit(filter);
Packet p = CreatePacket();
p.Command = "querystr";
p.Viewname = viewname;
p.Start = start;
p.Count = count;
p.Data = ls.sb.ToString();
p.OrderBy = orderby;
ReturnPacket ret = (ReturnPacket)_client.Send(p);
return((Result <object>)ret.Data);
}
