[hibernate-issues] [Hibernate-JIRA] Created: (HHH-3965) Expose the ability to use varchar(max) or nvarchar(max)

[Ido Ran (JIRA)]

Expose the ability to use varchar(max) or nvarchar(max)
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                 Key: HHH-3965
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3965
             Project: Hibernate Core
          Issue Type: Bug
          Components: core
    Affects Versions: 3.3.1
         Environment: Hibernate 3.4.0GA as provider for JPA 1.0 - SQL Server 2005 Database
            Reporter: Ido Ran
            Priority: Blocker


I have an entity which needs to store long text field (at least 30,000 characters).
I use SQL Server 2005 as back-end database.
SQL Server varchar support up-to 8,000 characters in length of a field, or the reserved word MAX which indicate that the field length will be 2^31-1.

I think that the class SQLServerDialect should be changed to have the following line in it's ctor:

registerColumnType( Types.VARCHAR, 8001, "varchar(MAX)" );

this way, all String fields with length above 8000 will have varchar(MAX) as column type.

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