WITH parent_group AS ( INSERT INTO groups (name, description) VALUES ('lindenii', 'The Lindenii Project') RETURNING id ), child_group AS ( INSERT INTO groups (name, description, parent_group) SELECT 'forge', 'Lindenii Forge', id FROM parent_group RETURNING id ) INSERT INTO repos (name, group_id, contrib_requirements, filesystem_path) SELECT 'server', id, 'public', '/home/runxiyu/Lindenii/forge/server/.git' FROM child_group; SELECT * FROM groups; SELECT * FROM repos;