mcvsubbu commented on issue #4041: Use hex string as the representation of byte 
array for queries
URL: https://github.com/apache/incubator-pinot/pull/4041#issuecomment-478671117
 
 
   > > Can you add some motivation behind the change? I am guessing (but not 
sure) that we want to ingest string data that are known to be hexbytes. Is that 
right? Is this a part of a bigger design document? If so, can you point me to 
one (or, add one under 
https://cwiki.apache.org/confluence/display/PINOT/Design+Documents)
   > > thanks
   > 
   > My major motivation is related to this issue: #4040.
   > Basically I want to ingest data like `uid` as bytes format and write a 
lookup query on top of it. Since hex string is used to display bytes type in 
query results, I extend this concept and make hex string/bytes both accepted 
for this column.
   
   Is it not possible to use a string datatype for this? Assuming that the 
string is byte-array encoded does not seem right to me. Perhaps I am missing 
something here

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