474   Expr *pX              /* The IN expression to be reduced */  in removeUnindexableInClauseTerms()  argument
478   pNew = sqlite3ExprDup(db, pX, 0);  in removeUnindexableInClauseTerms()
493       if( pLoop->aLTerm[i]->pExpr==pX ){  in removeUnindexableInClauseTerms()
535     sqlite3TreeViewExpr(0, pX, 0);  in removeUnindexableInClauseTerms()
567   Expr *pX = pTerm->pExpr;  in codeEqualityTerm()  local
573   if( pX->op==TK_EQ || pX->op==TK_IS ){  in codeEqualityTerm()
574     iReg = sqlite3ExprCodeTarget(pParse, pX->pRight, iTarget);  in codeEqualityTerm()
575   }else if( pX->op==TK_ISNULL ){  in codeEqualityTerm()
596     assert( pX->op==TK_IN );  in codeEqualityTerm()
600       if( pLoop->aLTerm[i] && pLoop->aLTerm[i]->pExpr==pX ){  in codeEqualityTerm()
607       if( pLoop->aLTerm[i]->pExpr==pX ) nEq++;  in codeEqualityTerm()
611     if( !ExprUseXSelect(pX) || pX->x.pSelect->pEList->nExpr==1 ){  in codeEqualityTerm()
612       eType = sqlite3FindInIndex(pParse, pX, IN_INDEX_LOOP, 0, 0, &iTab);  in codeEqualityTerm()
617         pX = removeUnindexableInClauseTerms(pParse, iEq, pLoop, pX);  in codeEqualityTerm()
620           eType = sqlite3FindInIndex(pParse, pX, IN_INDEX_LOOP, 0, aiMap,&iTab);  in codeEqualityTerm()
623         sqlite3ExprDelete(db, pX);  in codeEqualityTerm()
625         int n = sqlite3ExprVectorSize(pX->pLeft);  in codeEqualityTerm()
627         eType = sqlite3FindInIndex(pParse, pX, IN_INDEX_LOOP, 0, aiMap, &iTab);  in codeEqualityTerm()
629       pX = pExpr;  in codeEqualityTerm()
660         if( pLoop->aLTerm[i]->pExpr==pX ){  in codeEqualityTerm()
1583       Expr *pX;             /* The expression that defines the start bound */  in sqlite3WhereCodeOneLoopStart()  local
1602       pX = pStart->pExpr;  in sqlite3WhereCodeOneLoopStart()
1603       assert( pX!=0 );  in sqlite3WhereCodeOneLoopStart()
1605       if( sqlite3ExprIsVector(pX->pRight) ){  in sqlite3WhereCodeOneLoopStart()
1607         codeExprOrVector(pParse, pX->pRight, r1, 1);  in sqlite3WhereCodeOneLoopStart()
1608         testcase( pX->op==TK_GT );  in sqlite3WhereCodeOneLoopStart()
1609         testcase( pX->op==TK_GE );  in sqlite3WhereCodeOneLoopStart()
1610         testcase( pX->op==TK_LT );  in sqlite3WhereCodeOneLoopStart()
1611         testcase( pX->op==TK_LE );  in sqlite3WhereCodeOneLoopStart()
1612         op = aMoveOp[((pX->op - TK_GT - 1) & 0x3) | 0x1];  in sqlite3WhereCodeOneLoopStart()
1613         assert( pX->op!=TK_GT || op==OP_SeekGE );  in sqlite3WhereCodeOneLoopStart()
1614         assert( pX->op!=TK_GE || op==OP_SeekGE );  in sqlite3WhereCodeOneLoopStart()
1615         assert( pX->op!=TK_LT || op==OP_SeekLE );  in sqlite3WhereCodeOneLoopStart()
1616         assert( pX->op!=TK_LE || op==OP_SeekLE );  in sqlite3WhereCodeOneLoopStart()
1618         r1 = sqlite3ExprCodeTemp(pParse, pX->pRight, &rTemp);  in sqlite3WhereCodeOneLoopStart()
1620         op = aMoveOp[(pX->op - TK_GT)];  in sqlite3WhereCodeOneLoopStart()
1624       VdbeCoverageIf(v, pX->op==TK_GT);  in sqlite3WhereCodeOneLoopStart()
1625       VdbeCoverageIf(v, pX->op==TK_LE);  in sqlite3WhereCodeOneLoopStart()
1626       VdbeCoverageIf(v, pX->op==TK_LT);  in sqlite3WhereCodeOneLoopStart()
1627       VdbeCoverageIf(v, pX->op==TK_GE);  in sqlite3WhereCodeOneLoopStart()
1635       Expr *pX;  in sqlite3WhereCodeOneLoopStart()  local
1636       pX = pEnd->pExpr;  in sqlite3WhereCodeOneLoopStart()
1637       assert( pX!=0 );  in sqlite3WhereCodeOneLoopStart()
1642       codeExprOrVector(pParse, pX->pRight, memEndValue, 1);  in sqlite3WhereCodeOneLoopStart()
1643       if( 0==sqlite3ExprIsVector(pX->pRight)   in sqlite3WhereCodeOneLoopStart()
1644        && (pX->op==TK_LT || pX->op==TK_GT)   in sqlite3WhereCodeOneLoopStart()
1650       if( 0==sqlite3ExprIsVector(pX->pRight) ){  in sqlite3WhereCodeOneLoopStart()