Bruce Momjian wrote: > The idea is that the security columns will hold an OID and the OID will > point to a row in a table that contains the security rights/ACL for the > column, with multiple rows using the same rights OID. If you change the > rights on the column the code has to check the existing entries and add > a new one if it doesn't already exist. This does add the problem of how > to remove security rows that are no longer referenced.
How will it search for existing entries? Are you saying that it will seqscan the whole catalog of entries, looking for a match? -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers