Module filter_null_join_keys

Module filter_null_join_keys 

Source
Expand description

FilterNullJoinKeys adds filters to join inputs when input isn’t nullable

Structs§

FilterNullJoinKeys
The FilterNullJoinKeys rule will identify joins with equi-join conditions where the join key is nullable and then insert an IsNotNull filter on the nullable side since null values can never match.

Functions§

create_not_null_predicate 🔒