[GitHub] [incubator-doris] cambyzju commented on issue #8928: [Bug] No matching function with signature: hex(hll)

[GitBox <gi...@apache.org>]

cambyzju commented on issue #8928:
URL: https://github.com/apache/incubator-doris/issues/8928#issuecomment-1092931289

   hi xinyiZzz,
   The reason is:
   1. **hll_hash** function return HLL data type;
   2. but **hex** function do not support HLL data type as input;
   
   Could I know which situation you need use sql like: _SELECT hex(hll_hash('1990-12-10'));_


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