Description of choke point CP 4.5 #15
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The purpose of this PR is to discuss the following one of our choke points.
CP 4.5: Multiple filter conditions
In addition to single filter conditions, it is also possible to enable users to express conjunctions or disjunctions of multiple such conditions. The added challenge in this case is that the conditions may not be equally selective. Hence, pushing them together to the underlying data source, or at least choosing which of them to evaluate first, may have an impact on the performance (in particular, if they are subqueries).