(SELECT SUM(sei.amount)
FROM sepa_export_items sei
WHERE (sei.sepa_export_id = se.id)) AS sum_amounts,
+ (SELECT string_agg(semi.message_id, ', ')
+ FROM sepa_export_message_ids semi
+ WHERE semi.sepa_export_id = se.id) AS message_ids,
e.name AS employee
FROM sepa_export se
LEFT JOIN (