Github user DaveBirdsall commented on a diff in the pull request:

    https://github.com/apache/trafodion/pull/1682#discussion_r210397770
  
    --- Diff: core/sql/sqludr/SqlUdrPredefLogReader.cpp ---
    @@ -1311,17 +1362,19 @@ bool ReadCppEventsUDFInterface::validateEvent(const 
UDRInvocationInfo &info,
         // All other comparisons are assumed to be string compares
         else
         {
    -      // convert predicate value
    +      // convert and trim predicate value
           temp = constStr;
           constStr.clear();
           for(size_t j = 0; j < temp.size(); ++j)
             constStr += (std::toupper(temp[j]));
    +      constStr.erase(constStr.find_last_not_of(" ")+1);
    --- End diff --
    
    What happens when find_last_not_of returns string::npos? (that is, when 
there are no trailing blanks?) It seems string::npos is defined as -1 
(unsigned), so adding 1 to it would get zero and we'd do erase(0) which erases 
the whole string?


---

Reply via email to