hasBeenUsed      42280 ext/sqlite3/libsqlite/sqlite3.c   u8 hasBeenUsed;             /* True if any content previously read from this pager*/
hasBeenUsed      46758 ext/sqlite3/libsqlite/sqlite3.c     if( !pPager->tempFile && pPager->hasBeenUsed ){
hasBeenUsed      46928 ext/sqlite3/libsqlite/sqlite3.c   pPager->hasBeenUsed = 1;
hasBeenUsed      47078 ext/sqlite3/libsqlite/sqlite3.c   assert( pPage==0 || pPager->hasBeenUsed );