(self)
return len(self.config.pk_columns) == 1
Return True if supports UPSERTS else False

        Assumes that doc_id cannot change.
Return True if supports UPSERTS else False
Return True if supports UPSERTS else False
def supports_upsert(self):
        """Return True if supports UPSERTS else False

        Assumes that doc_id cannot change.
        """
        # doc_id
        return len(self.config.pk_columns) == 1
def supports_upsert ( self ) : # doc_id return len ( self . config . pk_columns ) == 1