I wanted to add 2 columnts to an MSSQL table by changing class and

Question

Asked: June 1, 20262026-06-01T09:53:33+00:00 2026-06-01T09:53:33+00:00

I wanted to add 2 columnts to an MSSQL table by changing class and mapping files, using:

<property name="hbm2ddl.auto">update</property>

According to the documentation, this should result in automatically calling something like this near the session start:

SchemaUpdate su = new SchemaUpdate(_cfg);
su.Execute(true, true);

However, the columns are not there (unless I manually add these lines). What am I missing? Is it a bug in this NHibernate version or …?

Thanks

v.

UPDATE: Certain sources mention update as a valid option, while others only offer create and create-drop. Is this the answer?

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Editorial Team · Answer 1 · 2026-06-01T09:53:34+00:00

Editorial Team

No, update option is commented out in source of this NHibernate build. It just doesn’t work.

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