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Add comment to usage of m2m_reverse_field_name
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@ -591,6 +591,8 @@ class BaseDatabaseSchemaEditor(object):
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# Repoint the FK to the other side
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# Repoint the FK to the other side
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self.alter_field(
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self.alter_field(
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new_field.rel.through,
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new_field.rel.through,
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# We need the field that points to the target model, so we can tell alter_field to change it -
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# this is m2m_reverse_field_name() (as opposed to m2m_field_name, which points to our model)
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old_field.rel.through._meta.get_field_by_name(old_field.m2m_reverse_field_name())[0],
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old_field.rel.through._meta.get_field_by_name(old_field.m2m_reverse_field_name())[0],
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new_field.rel.through._meta.get_field_by_name(new_field.m2m_reverse_field_name())[0],
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new_field.rel.through._meta.get_field_by_name(new_field.m2m_reverse_field_name())[0],
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)
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)
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