521         if( pExpr->op2 ){  in sqlite3TreeViewExpr()
522           sqlite3_snprintf(sizeof(zOp2),zOp2," op2=0x%02x",pExpr->op2);  in sqlite3TreeViewExpr()
634       assert( pExpr->op2==TK_IS || pExpr->op2==TK_ISNOT );  in sqlite3TreeViewExpr()
637       x = (pExpr->op2==TK_ISNOT)*2 + sqlite3ExprTruthValue(pExpr->pRight);  in sqlite3TreeViewExpr()
682                              pExpr->op2, pExpr->u.zToken, zFlgs,  in sqlite3TreeViewExpr()
685       }else if( pExpr->op2!=0 ){  in sqlite3TreeViewExpr()
688         sqlite3_snprintf(sizeof(zBuf),zBuf,"0x%02x",pExpr->op2);  in sqlite3TreeViewExpr()
690         if( pExpr->op2==NC_IsCheck ) zOp2 = "NC_IsCheck";  in sqlite3TreeViewExpr()
691         if( pExpr->op2==NC_IdxExpr ) zOp2 = "NC_IdxExpr";  in sqlite3TreeViewExpr()
692         if( pExpr->op2==NC_PartIdx ) zOp2 = "NC_PartIdx";  in sqlite3TreeViewExpr()
693         if( pExpr->op2==NC_GenCol ) zOp2 = "NC_GenCol";  in sqlite3TreeViewExpr()
831       tmp.op = pExpr->op2;  in sqlite3TreeViewExpr()