+psql:pg_sphere.test.sql:9968: ERROR:  commutator operator @> is already the commutator of operator <@+psql:pg_sphere.test.sql:9978: ERROR:  commutator operator @> is already the commutator of operator <@

-- a minimal set of backwards-compatible operators for GAVO DaCHS,-- see http://soft.g-vo.org/dachsCREATE OPERATOR @ (   LEFTARG    = bigint,   RIGHTARG   = smoc,   PROCEDURE  = healpix_subset_smoc,   COMMUTATOR = '@>',   NEGATOR    = '!<@',   RESTRICT   = contsel,   JOIN       = contjoinsel);CREATE OPERATOR @ (   LEFTARG    = spoint,   RIGHTARG   = smoc,   PROCEDURE  = spoint_subset_smoc,   COMMUTATOR = '@>',   NEGATOR    = '!<@',   RESTRICT   = contsel,   JOIN       = contjoinsel);