Yeah, but the point was that he was doing an ALTER OWNER and needed to fix the ACL to match. I thought he claimed to have written the needed subroutine. I have not yet looked at his patch though.
I think Fabien's owner changing routine will end up being a strict subset of my routine. I think his just happens to only work on the newly created public and info_schema in a new db. It's not complex enough to work on arbitrary acls. Also, his needs to work as a public SQL function:
+ /* acl acl_switch_grantor(acl, oldgrantor, newgrantor); + * switch grantor id in aclitem array. + * used internally for fixing owner rights in new databases. + * must be STRICT. + */ + Datum acl_switch_grantor(PG_FUNCTION_ARGS) + { + Acl * acls = PG_GETARG_ACL_P_COPY(0); + int i, + old_grantor = PG_GETARG_INT32(1), + new_grantor = PG_GETARG_INT32(2); + AclItem * item; + + for (i=0, item=ACL_DAT(acls); i<ACL_NUM(acls); i++, item++) + if (item->ai_grantor == old_grantor) + item->ai_grantor = new_grantor; + + PG_RETURN_ACL_P(acls); + }
Chris
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