oracle8.1.6 select r.subscr_id, r.timeout, r.summary_context_id, i.impl_name, nvl2(r.lastbuild, date_part('epoch',r.lastbuild), 0) as lastbuild from rss_gen_subscrs r, acs_sc_impls i where i.impl_id = r.impl_id and (r.lastbuild is null or sysdate > r.lastbuild + r.timeout/(60*60*24) update rss_gen_subscrs set lastbuild = sysdate, last_ttb = :last_ttb $extra_sql where subscr_id = :subscr_id select acs_sc_contract.get_id('RssGenerationSubscriber') from dual select impl_id from acs_sc_impls i where impl_contract_name = 'RssGenerationSubscriber' and not exists (select 1 from acs_sc_bindings b where b.impl_id = i.impl_id and b.contract_id = :contract_id) begin acs_sc_binding.new( contract_id => $contract_id, impl_id => $impl_id ); end;