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8.72. initializelocalnode(integer, text)

Function Properties

PLPGSQLinteger
no_id - Node ID # no_comment - Human-oriented comment Initializes the new node, no_id
    declare
    	p_local_node_id		alias for $1;
    	p_comment			alias for $2;
    	v_old_node_id		int4;
    	v_first_log_no		int4;
    	v_event_seq			int8;
    begin
    	-- ----
    	-- Grab the central configuration lock
    	-- ----
    	lock table sl_config_lock;
    
    	-- ----
    	-- Make sure this node is uninitialized or got reset
    	-- ----
    	select last_value::int4 into v_old_node_id from sl_local_node_id;
    	if v_old_node_id != -1 then
    		raise exception 'Slony-I: This node is already initialized';
    	end if;
    
    	-- ----
    	-- Set sl_local_node_id to the requested value and add our
    	-- own system to sl_node.
    	-- ----
    	perform setval('sl_local_node_id', p_local_node_id);
    	perform storeNode_int (p_local_node_id, p_comment);
    
    	if (pg_catalog.current_setting('max_identifier_length')::integer - pg_catalog.length('schemadoc')) < 5 then
    		raise notice 'Slony-I: Cluster name length [%] versus system max_identifier_length [%] ', pg_catalog.length('schemadoc'), pg_catalog.current_setting('max_identifier_length');
    		raise notice 'leaves narrow/no room for some Slony-I-generated objects (such as indexes).';
    		raise notice 'You may run into problems later!';
    	end if;
    	
    	return p_local_node_id;
    end;

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