Dear Fabio, Thanks for the quick response. I'll try your suggestion, thx. On 23 сен, 19:05, Fabio Maulo <[email protected]> wrote: > No, it is not a bug istead it is a specific request to make happy MsSqlServer. > If you want the old behavior you have to copy&paste the SqlClientDrive > and disable the actual behavior, the you have to specify your > implementation in the sessio-factory configuration. > > -- > Fabio Maulo > > El 23/09/2010, a las 11:10, Maxim Filimonov <[email protected]> escribió: > > > > > > > > > Dear Everybody, > > I've played with Nhibernate 3 Alpha 2 for a while and recently found a > > bit confusing behaviour at least from standpoint of compatability with > > version 2.1.2. > > A problem occurs when I try to insert(didn't try to update but I > > suppose it can have the same problem) string value to column with > > limited length. > > In 2.1.2 when such insert occurs my db engine(MSSQL SERVER 2008) > > throws an exception "String or binary data would be truncated." which > > gives me ability to rollback transaction at least if business layer > > didn't check length of a field. With the version 3.0 Alpha 2 db engine > > doesn't throw any exception on such insert because value is truncated > > automagically by nhibernate. Generated SQL: > > 2.1.2: > > exec sp_executesql N'INSERT INTO Customers (FirstName) VALUES (@p0); > > select SCOPE_IDENTITY()',N'@p0 nvarchar(16)',@p0=N'MoreThan3Symbols' > > 3.0: > > exec sp_executesql N'INSERT INTO Customers (FirstName) VALUES (@p0); > > select SCOPE_IDENTITY()',N'@p0 nvarchar(3)',@p0=N'Mor' > > > My mapping: > > <class name="TruncateBug.Customer,TruncateBug" table="Customers"> > > <id name="CustomerId" column="CustomerId"> > > <generator class="native"/> > > </id> > > <property name="FirstName" column="FirstName" length="3"/> > > </class> > > And the code that doesn't produce exception anymore: > > var invalidCustomer = new Customer() { FirstName = > > "MoreThan3Symbols" }; > > int id = (int)session.Save(invalidCustomer); > > > And yes session will contain Customer object with full length > > FirstName which could lead to a lot of misunderstanding in further > > usage of the Customer object in scope of this session. > > > Maybe it's not a bug but a feature but then I hope there is a way to > > configure nhiberate to throw exception as previously and to not try to > > create magic for me. > > > Thanks in advance, > > Yours sincerely, > > Maxim Filimonov > > > -- > > You received this message because you are subscribed to the Google Groups > > "nhusers" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]. > > For more options, visit this group > > athttp://groups.google.com/group/nhusers?hl=en.
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