[This is preliminary documentation and is subject to change.]
Bitflags which control how a session works when connecting to a storage.
Declaration Syntax| C# | Visual Basic | Visual C++ |
[FlagsAttribute] public enum SessionFlags
<FlagsAttribute> _ Public Enumeration SessionFlags
[FlagsAttribute] public enum class SessionFlags
Members| Member | Description |
|---|---|
| None |
Default value. No attempt to create or modify a database schema.
It is an error, if the database schema does not exist or does not
match the type schema, but it may be detected very lately, because
no checks are performed either.
|
| ModifySchemaAsNeeded |
Create the database schema from the type schema and
add/remove/modify elements as needed by the type schema.
|
| CreateSchema |
Create the schema if it does not exist.
|
| AddMissingElements |
Add elements like tables, attributes and indixes if missing.
|
| RemoveSuperfluosElements |
Remove elements not needed anymore by the type schema.
|
| ModifyElements |
Modify elements as needed by the type schema.
|