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WITH Tr AS (SELECT
    n.nspname AS trigger_schema,
    t.tgname AS trigger_name,
    em.text AS event_manipulation,        
    c.relname AS trigger_table, 
    np.nspname AS routine_schema,
    p.proname AS routine_name,
     p.prosrc AS routine_definition,
     (SELECT DISTINCT action_condition FROM INFORMATION_SCHEMA.triggers AS it WHERE it.trigger_schema=n.nspname AND it.event_object_table=c.relname AND it.trigger_name=t.tgname) AS action_condition,    
        CASE t.tgtype::integer & 1
            WHEN 1 THEN 'ROW'
            ELSE 'STATEMENT'
        END AS action_orientation,
        CASE t.tgtype::integer & 66
            WHEN 2 THEN 'BEFORE'
            WHEN 64 THEN 'INSTEAD OF'
            ELSE 'AFTER'
        END AS action_timing,
	EXISTS (SELECT 1 FROM pg_constraint AS c WHERE c.oid=t.tgconstraint AND c.contype='t') AS is_constraint_trigger,
	 t.tginitdeferred AS is_init_deferred
   FROM pg_namespace n,
    pg_class c,
    pg_trigger t,
    pg_proc p,
    pg_namespace np,
    ( VALUES (4,'INSERT'), (8,'DELETE'), (16,'UPDATE'), (32,'TRUNCATE')) em(num, text)
  WHERE n.oid = c.relnamespace 
  AND c.oid = t.tgrelid 
  AND t.tgfoid=p.oid
  AND p.pronamespace=np.oid
  AND (t.tgtype::integer & em.num) <> 0 
  AND NOT t.tgisinternal 
  AND NOT pg_is_other_temp_schema(n.oid)),
triggers_columns AS (SELECT Tr.trigger_schema, 
trigger_table, 
action_timing, 
event_manipulation, 
action_orientation, 
action_condition, 
string_agg(coalesce(event_object_column,'')::text, ',
' ORDER BY event_object_column) AS update_columns, 
is_constraint_trigger,  
is_init_deferred, 
Tr.trigger_name, 
routine_name, 
regexp_replace(routine_definition,'[\r\n]','
','g') AS routine_definition
FROM Tr LEFT JOIN  information_schema.triggered_update_columns AS TUC ON Tr.trigger_schema=TUC.trigger_schema AND Tr.trigger_name=TUC.trigger_name AND
 Tr.trigger_table=TUC.event_object_table
GROUP BY Tr.trigger_schema, Tr.trigger_table, action_timing, event_manipulation, action_orientation, action_condition, is_constraint_trigger,  is_init_deferred, Tr.trigger_name, routine_name, regexp_replace(routine_definition,'[\r\n]','
','g'))

SELECT routine_definition, 
string_agg(DISTINCT action_timing || ' ' || event_manipulation || ' ' || action_orientation || CASE WHEN action_condition IS NOT NULL THEN ' WHEN(' || action_condition || ') ' ELSE ' ' END || trigger_schema || '.' || trigger_table || CASE WHEN update_columns<>'' THEN '(' || update_columns || ')' ELSE '' END, ',
') AS triggers
FROM triggers_columns
GROUP BY routine_definition;