6.64. failednode2(integer, integer, integer, bigint, bigint)

Function Properties

Language: PLPGSQL

Return Type: bigint

FUNCTION failedNode2 (failed_node, backup_node, set_id, ev_seqno, ev_seqfake) On the node that has the highest sequence number of the failed node, fake the FAILOVER_SET event.

declare
	p_failed_node		alias for $1;
	p_backup_node		alias for $2;
	p_set_id			alias for $3;
	p_ev_seqno			alias for $4;
	p_ev_seqfake		alias for $5;
	v_row				record;
begin
	-- ----
	-- Grab the central configuration lock
	-- ----
	lock table sl_config_lock;

	select * into v_row
			from sl_event
			where ev_origin = p_failed_node
			and ev_seqno = p_ev_seqno;
	if not found then
		raise exception 'Slony-I: event %,% not found',
				p_failed_node, p_ev_seqno;
	end if;

	insert into sl_event
			(ev_origin, ev_seqno, ev_timestamp,
			ev_snapshot, 
			ev_type, ev_data1, ev_data2, ev_data3)
			values 
			(p_failed_node, p_ev_seqfake, CURRENT_TIMESTAMP,
			v_row.ev_snapshot, 
			'FAILOVER_SET', p_failed_node::text, p_backup_node::text,
			p_set_id::text);
	insert into sl_confirm
			(con_origin, con_received, con_seqno, con_timestamp)
			values
			(p_failed_node, getLocalNodeId('_schemadoc'),
			p_ev_seqfake, CURRENT_TIMESTAMP);
	notify "_schemadoc_Restart";

	perform failoverSet_int(p_failed_node,
			p_backup_node, p_set_id, p_ev_seqfake);

	return p_ev_seqfake;
end;