VirtualTableConfiguration

Sets whether the virtual table implementation guarantees that if xUpdate returns SQLITE_CONSTRAINT, it will do so before any modifications to internal or persistent data structures have been made.

Prohibits the use of the virtual table from within triggers and views.

Marks the virtual table as being safe to use from within triggers and views.

Instructs the query planner to begin at least a read transaction on all schemas ("main", "temp", and any ATTACH-ed databases) whenever the virtual table is used.