select maximum value for a property is borken
---------------------------------------------
Key: DNET-429
URL: http://tracker.firebirdsql.org/browse/DNET-429
Project: .NET Data provider
Issue Type: Bug
Components: Entity Framework support
Affects Versions: 2.7.5
Environment: VS 2010, EF 4.0, POCO Entity Generator 1.1
Reporter: Jeldrik Hornschild
Assignee: Jiri Cincura
If you have Table:
CREATE TABLE Some_Table
(
ID INTEGER NOT NULL PRIMARY KEY,
Some_Value VARCHAR(50) CHARACTER SET UTF8 NOT NULL
}
a mapped POCO class:
public partial class SomeTable
{
#region Primitive Properties
public virtual int ID
{
get;
set;
}
public virtual string SomeValue
{
get;
set;
}
}
The following statement produces an ArgumentNullException saying that "Value
cannot be null. Parameter name: key":
using (var context = new MyContext())
{
var maxID = context.SomeTable.Max(st => (int?)st.ID) ?? 0;
}
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