(relation)
return _ReferenceKey(lowercase(relation.database),
                         lowercase(relation.schema),
                         lowercase(relation.identifier))
Make _ReferenceKeys with lowercase values for the cache so we don't have
    to keep track of quoting
Make _ReferenceKeys with lowercase values for the cache so we don't have
    to keep track of quoting
Make _ReferenceKeys with lowercase values for the cache so we don t have to keep track of quoting
def _make_key(relation) -> _ReferenceKey:
    """Make _ReferenceKeys with lowercase values for the cache so we don't have
    to keep track of quoting
    """
    # databases and schemas can both be None
    return _ReferenceKey(lowercase(relation.database),
                         lowercase(relation.schema),
                         lowercase(relation.identifier))
def _make_key ( relation ) -> _ReferenceKey : # databases and schemas can both be None return _ReferenceKey ( lowercase ( relation . database ) , lowercase ( relation . schema ) , lowercase ( relation . identifier ) )