I am building a custom data source and need to know how to enable push down filters. Here is an example query:
SELECT a FROM t1 WHERE b = 123 DataFusion filters the data itself, but I want it to push down the filter (it does push down projections correctly). I added the filters arg to `create_execution_plan` and save the filters in the enclosing data source struct. I checked and the filters are always empty. However, I do see the filter in the LogicalPlan. Please let me know how to do this, or point me to an example. Thanks in advance for any assistance. Cory -- Cory Isaacson http://www.coryisaacson.com
