SQL: SELECT document_path FROM t_documents WHERE documentcloud_id='4391227-DC-1-2018cv00479-complaint-attachment-4' UNION SELECT doc_path FROM foiauserP.t_userdocs WHERE documentcloud_id='4391227-DC-1-2018cv00479-complaint-attachment-4' Could not open /fvol10/projdata/pacer/download/foia/621/DC_1_2018cv00479/1a4.pdf