lib/sqlite/sqlite3.c

100467 #  define TERM_VNULL    0x80   /* Manufactured x>NULL or x<=NULL term */
100469 #  define TERM_VNULL    0x00   /* Disabled if not using stat2 */
101694   ** Note that the virtual term must be tagged with TERM_VNULL.  This
101695   ** TERM_VNULL tag will suppress the not-null check at the beginning
101696   ** of the loop.  Without the TERM_VNULL flag, the not-null check at
101713                               TERM_VIRTUAL|TERM_DYNAMIC|TERM_VNULL);
102497     if( pTerm->wtFlags & TERM_VNULL ) continue;
102548     if( pTerm->wtFlags & TERM_VNULL ) continue;
103037   if( pLower && (pLower->wtFlags & TERM_VNULL)==0 ) *piEst /= 4;
104445       if( (pRangeStart->wtFlags & TERM_VNULL)==0 ){
104486       if( (pRangeEnd->wtFlags & TERM_VNULL)==0 ){