Refs #16187 -- Stopped compiling query compilers during lookup rhs processing.

Lookup right hand side processing was compiling query compilers which happened
to work by chance as SQLCompiler defines a as_sql() method with two optional
parameters albeit it doesn't expect the same type of arguments.

django/db/models/lookups.py

@@ -89,12 +89,6 @@ class Lookup:
                 value = Value(value, output_field=self.lhs.output_field)
             value = self.apply_bilateral_transforms(value)
             value = value.resolve_expression(compiler.query)
-        # Due to historical reasons there are a couple of different
-        # ways to produce sql here. get_compiler is likely a Query
-        # instance and as_sql just something with as_sql. Finally the value
-        # can of course be just plain Python value.
-        if hasattr(value, 'get_compiler'):
-            value = value.get_compiler(connection=connection)
         if hasattr(value, 'as_sql'):
             sql, params = compiler.compile(value)
             return '(' + sql + ')', params

django/db/models/sql/query.py

@@ -989,6 +989,9 @@ class Query:
             clone.clear_ordering(True)
         return clone
 
+    def as_sql(self, compiler, connection):
+        return self.get_compiler(connection=connection).as_sql()
+
     def prepare_lookup_value(self, value, lookups, can_reuse, allow_joins=True):
         # Default lookup if none given is exact.
         used_joins = []