justinpark commented on issue #27473:
URL: https://github.com/apache/superset/issues/27473#issuecomment-1992523228

   @netchose First of all, the query that you raised looks unusual. Which means 
selecting 10000 columns.
   ```
   print(f'select {" 1,"*10000}'[:-1])
   => select 1, 1, 1, 1, 1, 1, .....(x 10000)
   ```
   
![_DEV__Superset](https://github.com/apache/superset/assets/1392866/d393b75a-f17d-4ee8-847b-7f94cd990990)
   
   ClickHouse, as per my understanding, may also not provide support due to the 
excessive number of columns involved.


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