during an UPDATE to modify the the table being updated. Otherwise, those
triggers might delete content out from under the update operation, leading
to all kinds of problems. Ticket [314cc133e5ada126]
FossilOrigin-Name: db4b7e1dc399c1f16b827ac087aa37c0815f4b2f41f1ffad59963eead2ab5562
SQLITE_DBCONFIG_LEGACY_FILE_FORMAT option to sqlite3_db_config().
Fix for ticket [6484e6ce678fffab]
FossilOrigin-Name: 4d424f3047b48fc441475137f30a719d2f079390c86fe2617710ddfb05c5e240