villebro commented on issue #8183: How to pass time filters to SQL Lab queries
URL: 
https://github.com/apache/incubator-superset/issues/8183#issuecomment-533304850
 
 
   Can you post a case where a jinja-based date filter needs to be used? I'm 
not saying there isn't one, but as the majority of modern engines are able to 
do predicate pushdown into the subquery, the need for injecting date filters 
should be very uncommon. If I understood your example correctly, the original 
query
   ```sql
   SELECT *
   FROM table
   ```
   should turn into
   ```sql
   SELECT cols
   FROM
   (SELECT *
   FROM table) AS expr_qry
   WHERE <time filters>
   ```
   when a filter box emits a time filter, i.e. the time filter will be appended 
to the query without the need for jinja trickery.

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