willbarrett commented on issue #3524: Cannot created temp table in redshift DB
URL: 
https://github.com/apache/incubator-superset/issues/3524#issuecomment-571728214
 
 
   Hi All. The current architecture for Superset creates a new connection to 
analytical databases for each query executed. Thus temp tables can only be used 
when they are created during the same query execution as the subsequent 
operation that references them. I hope this helps you work around the issue. 
We're currently investigating connection pooling for analytical databases, 
which would be one step closer to providing persistent sessions. 

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