## 1.73. sequencesetvalue( integer, integer, bigint, bigint )

Function Properties
Language: PLPGSQL
Return Type: integer

sequenceSetValue (seq_id, seq_origin, ev_seqno, last_value) Set sequence seq_id to have new value last_value.

    declare
    	p_seq_id			alias for $1;
    	p_seq_origin		alias for $2;
    	p_ev_seqno			alias for $3;
    	p_last_value		alias for $4;
    	v_fqname			text;
    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
    		raise exception 'Slony-I: sequence % not found', p_seq_id;
    	end if;

    	-- ----
    	-- Update it to the new value
    	-- ----
    	execute 'select setval(''' || v_fqname ||
    			''', ''' || p_last_value || ''')';

    	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);

    	return p_seq_id;
    end;