How to wrap .Net data provider for entity framework

Question

I will try to explain the question again:

I wanted to introduce logging in Entity Framework in such way that the query and its result along with the time the query took to execute can be logged. Jaroslaw Kowalski has wrapped the provider to intercept communication between Entity Framework and the original provider. It also provides tracing facility which I am intending to use.

What I am confused about is the completeness of this wrapper that he has written. Currently he has only wrapping Connection, Command, Transaction, DataReader, and ProviderFactory. I am not aware of all the ways that Entity Framework communicates with the provider. I wanted to know all the ways with which Entity Framework can use data provider. For e.g. if Entity Framework uses DataAdapter or DataSets e.t.c.

Answer 1

Here is a simple Entity Framework provider.
Of course, in case of real DBMS different from the MS SQL Server you will meet a great number of problems, and not all of them can be solved even in theory.