nDelay           51069 ext/sqlite3/libsqlite/sqlite3.c     int nDelay = 1;                      /* Pause time in microseconds */
nDelay           51074 ext/sqlite3/libsqlite/sqlite3.c     if( cnt>=10 ) nDelay = (cnt-9)*(cnt-9)*39;
nDelay           51075 ext/sqlite3/libsqlite/sqlite3.c     sqlite3OsSleep(pWal->pVfs, nDelay);