OpenACS

and reflect in the db table column properties and constraints as unique, foreign keys (as before),

not null, default value (as before) and index creation (directly as class attribute flag).

Such column properties will be added to the data model also after first table creation

without the need for an upgrade script. This should cover the most typical

"incremental upgrade" use cases. Change in column type and dropping of tables, indexes

or constraints still has to be performed manually.

Also, flag for require view allows one to rebuild it automatically.

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