Vlad Arkhipov wrote: > I have a constraint that requires a table to be locked before checking > it (i.e. no more than 2 records with the same value in the same column). > If I lock the table in the SHARE ROW EXCLUSIVE mode, any vacuuming (or > autovacuuming) process prevents me from checking the constraint. What > are possible solutions? Can you describe your check in more detail? Why don't you use simple unique constraints? Yours, Laurenz Albe -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
