Оберни все поля одинарными кавычками и добавить их в функцию 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