sqlite3PagerSetSafetyLevel 1755 ext/pdo_sqlite/sqlite/src/btree.c   sqlite3PagerSetSafetyLevel(pBt->pPager, level, fullSync);
sqlite3PagerSetSafetyLevel  115 ext/pdo_sqlite/sqlite/src/pager.h void sqlite3PagerSetSafetyLevel(Pager*,int,int);