310 static WhereTerm *whereScanNext(WhereScan *pScan){  in whereScanNext()  argument
316   int k = pScan->k;    /* Where to start scanning */  in whereScanNext()
318   assert( pScan->iEquiv<=pScan->nEquiv );  in whereScanNext()
319   pWC = pScan->pWC;  in whereScanNext()
321     iColumn = pScan->aiColumn[pScan->iEquiv-1];  in whereScanNext()
322     iCur = pScan->aiCur[pScan->iEquiv-1];  in whereScanNext()
332                                        pScan->pIdxExpr,iCur)==0)  in whereScanNext()
333          && (pScan->iEquiv<=1 || !ExprHasProperty(pTerm->pExpr, EP_OuterON))  in whereScanNext()
336            && pScan->nEquiv<ArraySize(pScan->aiCur)  in whereScanNext()
340             for(j=0; j<pScan->nEquiv; j++){  in whereScanNext()
341               if( pScan->aiCur[j]==pX->iTable  in whereScanNext()
342                && pScan->aiColumn[j]==pX->iColumn ){  in whereScanNext()
346             if( j==pScan->nEquiv ){  in whereScanNext()
347               pScan->aiCur[j] = pX->iTable;  in whereScanNext()
348               pScan->aiColumn[j] = pX->iColumn;  in whereScanNext()
349               pScan->nEquiv++;  in whereScanNext()
352           if( (pTerm->eOperator & pScan->opMask)!=0 ){  in whereScanNext()
354             if( pScan->zCollName && (pTerm->eOperator & WO_ISNULL)==0 ){  in whereScanNext()
358               if( !sqlite3IndexAffinityOk(pX, pScan->idxaff) ){  in whereScanNext()
364               if( sqlite3StrICmp(pColl->zName, pScan->zCollName) ){  in whereScanNext()
371              && pX->iTable==pScan->aiCur[0]  in whereScanNext()
372              && pX->iColumn==pScan->aiColumn[0]  in whereScanNext()
377             pScan->pWC = pWC;  in whereScanNext()
378             pScan->k = k+1;  in whereScanNext()
383                  pTerm, pScan->nEquiv);  in whereScanNext()
384               for(ii=0; ii<pScan->nEquiv; ii++){  in whereScanNext()
386                    pScan->aiCur[ii], pScan->aiColumn[ii]);  in whereScanNext()
398     if( pScan->iEquiv>=pScan->nEquiv ) break;  in whereScanNext()
399     pWC = pScan->pOrigWC;  in whereScanNext()
401     pScan->iEquiv++;  in whereScanNext()
412 static SQLITE_NOINLINE WhereTerm *whereScanInitIndexExpr(WhereScan *pScan){  in whereScanInitIndexExpr()  argument
413   pScan->idxaff = sqlite3ExprAffinity(pScan->pIdxExpr);  in whereScanInitIndexExpr()
414   return whereScanNext(pScan);  in whereScanInitIndexExpr()
437   WhereScan *pScan,       /* The WhereScan object being initialized */  in whereScanInit()  argument
444   pScan->pOrigWC = pWC;  in whereScanInit()
445   pScan->pWC = pWC;  in whereScanInit()
446   pScan->pIdxExpr = 0;  in whereScanInit()
447   pScan->idxaff = 0;  in whereScanInit()
448   pScan->zCollName = 0;  in whereScanInit()
449   pScan->opMask = opMask;  in whereScanInit()
450   pScan->k = 0;  in whereScanInit()
451   pScan->aiCur[0] = iCur;  in whereScanInit()
452   pScan->nEquiv = 1;  in whereScanInit()
453   pScan->iEquiv = 1;  in whereScanInit()
460       pScan->idxaff = pIdx->pTable->aCol[iColumn].affinity;  in whereScanInit()
461       pScan->zCollName = pIdx->azColl[j];  in whereScanInit()
463       pScan->pIdxExpr = pIdx->aColExpr->a[j].pExpr;  in whereScanInit()
464       pScan->zCollName = pIdx->azColl[j];  in whereScanInit()
465       pScan->aiColumn[0] = XN_EXPR;  in whereScanInit()
466       return whereScanInitIndexExpr(pScan);  in whereScanInit()
471   pScan->aiColumn[0] = iColumn;  in whereScanInit()
472   return whereScanNext(pScan);  in whereScanInit()