noSkipScan       11752 ext/sqlite3/libsqlite/sqlite3.c   unsigned noSkipScan:1;   /* Do not try to use skip-scan if true */
noSkipScan       89526 ext/sqlite3/libsqlite/sqlite3.c     pIndex->noSkipScan = 0;
noSkipScan       89533 ext/sqlite3/libsqlite/sqlite3.c         pIndex->noSkipScan = 1;
noSkipScan       121111 ext/sqlite3/libsqlite/sqlite3.c    && pProbe->noSkipScan==0