def firstMemberSchema(self, schemas):
        """
        Returns the first schema within the list that this column is a member
        of.

        :param      schemas | [<orb.TableSchema>, ..]

        :return     <orb.TableSchema> || None
        """
        for schema in schemas:
            if schema.hasColumn(self):
                return schema
        return self.schema()
Returns the first schema within the list that this column is a member
        of.

        :param      schemas | [<orb.TableSchema>, ..]

        :return     <orb.TableSchema> || None