1675   const char *zOp = 0;  in displayP4Expr()  local
1699     case TK_LT:      zOp = "LT";      break;  in displayP4Expr()
1700     case TK_LE:      zOp = "LE";      break;  in displayP4Expr()
1701     case TK_GT:      zOp = "GT";      break;  in displayP4Expr()
1702     case TK_GE:      zOp = "GE";      break;  in displayP4Expr()
1703     case TK_NE:      zOp = "NE";      break;  in displayP4Expr()
1704     case TK_EQ:      zOp = "EQ";      break;  in displayP4Expr()
1705     case TK_IS:      zOp = "IS";      break;  in displayP4Expr()
1706     case TK_ISNOT:   zOp = "ISNOT";   break;  in displayP4Expr()
1707     case TK_AND:     zOp = "AND";     break;  in displayP4Expr()
1708     case TK_OR:      zOp = "OR";      break;  in displayP4Expr()
1709     case TK_PLUS:    zOp = "ADD";     break;  in displayP4Expr()
1710     case TK_STAR:    zOp = "MUL";     break;  in displayP4Expr()
1711     case TK_MINUS:   zOp = "SUB";     break;  in displayP4Expr()
1712     case TK_REM:     zOp = "REM";     break;  in displayP4Expr()
1713     case TK_BITAND:  zOp = "BITAND";  break;  in displayP4Expr()
1714     case TK_BITOR:   zOp = "BITOR";   break;  in displayP4Expr()
1715     case TK_SLASH:   zOp = "DIV";     break;  in displayP4Expr()
1716     case TK_LSHIFT:  zOp = "LSHIFT";  break;  in displayP4Expr()
1717     case TK_RSHIFT:  zOp = "RSHIFT";  break;  in displayP4Expr()
1718     case TK_CONCAT:  zOp = "CONCAT";  break;  in displayP4Expr()
1719     case TK_UMINUS:  zOp = "MINUS";   break;  in displayP4Expr()
1720     case TK_UPLUS:   zOp = "PLUS";    break;  in displayP4Expr()
1721     case TK_BITNOT:  zOp = "BITNOT";  break;  in displayP4Expr()
1722     case TK_NOT:     zOp = "NOT";     break;  in displayP4Expr()
1723     case TK_ISNULL:  zOp = "ISNULL";  break;  in displayP4Expr()
1724     case TK_NOTNULL: zOp = "NOTNULL"; break;  in displayP4Expr()
1731   if( zOp ){  in displayP4Expr()
1732     sqlite3_str_appendf(p, "%s(", zOp);  in displayP4Expr()