DB_Empty          901 ext/pdo_sqlite/sqlite/src/pragma.c         DbHasProperty(db, 0, DB_Empty) 
DB_Empty           52 ext/pdo_sqlite/sqlite/src/prepare.c   DbClearProperty(db, iDb, DB_Empty);
DB_Empty          259 ext/pdo_sqlite/sqlite/src/prepare.c     DbSetProperty(db, iDb, DB_Empty);