118     guard var db = dbInit else {  variable
123 …"Error opening SQLite db: %@", [UpdatesDatabaseUtils.errorCodesAndMessage(fromSqlite: db).message])
124       sqlite3_close(db)
144         db = db2
154 …_ = try UpdatesDatabaseUtils.execute(sql: "PRAGMA foreign_keys=ON;", withArgs: nil, onDatabase: db)
160       guard sqlite3_exec(db, String(schema.utf8), nil, nil, nil) == SQLITE_OK else {
165     return db
197     var db: OpaquePointer?  in migrateDatabase()  variable
198     if sqlite3_open(latestURL.path, &db) != SQLITE_OK {  in migrateDatabase()
199 …ning migrated SQLite db: %@", [UpdatesDatabaseUtils.errorCodesAndMessage(fromSqlite: db!).message])  in migrateDatabase()
200       sqlite3_close(db)  in migrateDatabase()
206 … = try UpdatesDatabaseUtils.execute(sql: "PRAGMA foreign_keys=ON;", withArgs: nil, onDatabase: db!)  in migrateDatabase()
214         try migration.runMigration(onDatabase: db!)  in migrateDatabase()
216 …ror migrating SQLite db: %@", [UpdatesDatabaseUtils.errorCodesAndMessage(fromSqlite: db!).message])  in migrateDatabase()
217         sqlite3_close(db)  in migrateDatabase()
223     sqlite3_close(db)  in migrateDatabase()