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0c71e0f9cf
In Query.join() the argument reuse_with_filtered_relation was used to determine whether to use == or .equals(). As this area of code is related to aliases, we only expect an instance of Join or BaseTable to be provided - the only two classes that provide .equals(). In both cases, the implementations of __eq__() and equals() are based on use of the "identity" property. __eq__() performs an isinstance() check first, returning NotImplemented if required. BaseTable.equals() then does a straightforward equality check on "identity". Join.equals() is a little bit different as it skips checking the last element of the "identity" property: filtered_relation. This was only included previously when the with_filtered_relation argument was True, impossible since bbf141bcdc31f1324048af9233583a523ac54c94.