[Request for help] Query arguments validation

l2db 1.10.2.

Use case: yesterday I found a subtle bug in own code caused by inserting a record with local time instead of utc.

As a proof we do not do this mistake again I want to add an assertion on L2db level that checks all queries and logs (or throws) if there’s non-utc datetime argument.

In other words, I want to be able to catch things like this:

            await db.Samples.InsertAsync(() => new Sample()
            {
                Id = id,
                CreatedDate = DateTime.Now,        // Bug here 
                DeletedDate = DateTime.UtcNow,
                Description = "..."
            });

I’ve tried

   db.MappingSchema.SetConverter<DateTime, DateTime>(dt => FailIfLocalTime(dt));

but the converter is called only for values from db and is not called for query arguments.

Can you suggest any api that will work for my scenario?

Environment details

linq2db version: 1.10.2 Database Server: MS SQL 2017 Database Provider: Syetem.Data.Sql Operating system: Windows 10 Framework version: .NET Framework 4.7.2

[sdanyliv]

@ig-sinicyn, as i know name is not used here.

[MaceWindu]

MappingSchema.SetConverter<DateTime,DataParameter>(...)

doesn’t work too?