import mysql.connector as myc

# conexão MySQL
conMySQL = myc.connect (host = 'localhost',user = 'root',password = 'mysql',database = 'teste')

cursorMySQL = conMySQL.cursor()
sqlMySQL = """SELECT
  f.fid,
  f.uri,
  n.nid AS FK_REGISTRO_VIRTUAL
FROM field_data_field_anexos a
JOIN node n ON a.entity_id = n.nid
JOIN file_managed f ON a.field_anexos_fid = f.fid
WHERE n.`type` = 'registro_virtual' and f.fid = 76881;"""
cursorMySQL.execute(sqlMySQL)

result = cursorMySQL.fetchall()
for fid, uri, nid in result:
    print(fid ,'-', uri.decode('utf8'), '-', nid)

cursorMySQL.close()
conMySQL.close()