Оберни поля одинарными кавычками для функции concat() war.address AS pickup_address, war.geo_id AS pickup_geo_id, fias_id AS consumer_fias_id postgresql
SELECT concat('"', war.address,'"') AS pickup_address, concat('"', war.geo_id,'"') AS pickup_geo_id, concat('"', fias_id,'"') AS consumer_fias_id