| Slony-I 2.2.10 Documentation | ||||
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Function Properties
Language: PLPGSQL
Return Type: integer
sequenceSetValue (seq_id, seq_origin, ev_seqno, last_value,ignore_missing) Set sequence seq_id to have new value last_value.declare
v_fqname text;
v_found integer;
begin
-- ----
-- Get the sequences fully qualified name
-- ----
select slon_quote_brute(PGN.nspname) || '.' ||
slon_quote_brute(PGC.relname) into v_fqname
from sl_sequence SQ,
"pg_catalog".pg_class PGC, "pg_catalog".pg_namespace PGN
where SQ.seq_id = p_seq_id
and SQ.seq_reloid = PGC.oid
and PGC.relnamespace = PGN.oid;
if not found then
if p_ignore_missing then
return null;
end if;
raise exception 'Slony-I: sequenceSetValue(): sequence % not found', p_seq_id;
end if;
-- ----
-- Update it to the new value
-- ----
execute 'select setval(''' || v_fqname ||
''', ' || p_last_value::text || ')';
if p_ev_seqno is not null then
insert into sl_seqlog
(seql_seqid, seql_origin, seql_ev_seqno, seql_last_value)
values (p_seq_id, p_seq_origin, p_ev_seqno, p_last_value);
end if;
return p_seq_id;
end;