205   Bitmask prereq,        /* Prerequisites of the new entry */  in whereOrInsert()  argument
212     if( rRun<=p->rRun && (prereq & p->prereq)==prereq ){  in whereOrInsert()
215     if( p->rRun<=rRun && (p->prereq & prereq)==p->prereq ){  in whereOrInsert()
230   p->prereq = prereq;  in whereOrInsert()
1145       if( pLoop->prereq & notReady ) continue;  in sqlite3ConstructBloomFilter()
2148                      p->iTab, nb, p->maskSelf, nb, p->prereq & mAll);  in sqlite3WhereLoopPrint()
2426      && (p->prereq & pTemplate->prereq)==pTemplate->prereq  in whereLoopFindLesser()
2436     if( (p->prereq & pTemplate->prereq)==p->prereq    /* (1)  */  in whereLoopFindLesser()
2449     if( (p->prereq & pTemplate->prereq)==pTemplate->prereq   /* (1)  */  in whereLoopFindLesser()
2509       whereOrInsert(pBuilder->pOrSet, pTemplate->prereq, pTemplate->rRun,  in whereLoopInsert()
2627   Bitmask notAllowed = ~(pLoop->prereq|pLoop->maskSelf);  in whereLoopOutputAdjust()
2836   saved_prereq = pNew->prereq;  in whereLoopAddBtreeIndex()
2883     pNew->prereq = (saved_prereq | pTerm->prereqRight) & ~pNew->maskSelf;  in whereLoopAddBtreeIndex()
3126   pNew->prereq = saved_prereq;  in whereLoopAddBtreeIndex()
3482         pNew->prereq = mPrereq | pTerm->prereqRight;  in whereLoopAddBtree()
3510     pNew->prereq = mPrereq;  in whereLoopAddBtree()
3695   pNew->prereq = mPrereq;  in whereLoopAddVirtualOne()
3761       pNew->prereq |= pTerm->prereqRight;  in whereLoopAddVirtualOne()
3844                       (sqlite3_uint64)(pNew->prereq & ~mPrereq)));  in whereLoopAddVirtualOne()
4050   if( rc==SQLITE_OK && ((mBest = (pNew->prereq & ~mPrereq))!=0 || bIn) ){  in whereLoopAddVirtual()
4063       mBestNoIn = pNew->prereq & ~mPrereq;  in whereLoopAddVirtual()
4089       if( pNew->prereq==mPrereq ){  in whereLoopAddVirtual()
4215               whereOrInsert(&sSum, sPrev.a[i].prereq | sCur.a[j].prereq,  in whereLoopAddOr()
4243         pNew->prereq = sSum.a[i].prereq;  in whereLoopAddOr()
4877         if( (pWLoop->prereq & ~pFrom->maskLoop)!=0 ) continue;  in wherePathSolver()