text: -- file:alter_generic.sql ln:257 expect:true
  SELECT nspname, opfname, amname, rolname
    FROM pg_opfamily o, pg_am m, pg_namespace n, pg_authid a
    WHERE o.opfmethod = m.oid AND o.opfnamespace = n.oid AND o.opfowner = a.oid
      AND n.nspname IN ('alt_nsp1', 'alt_nsp2')
  	AND NOT opfname LIKE 'alt_opc%'
    ORDER BY nspname, opfname
  