Gracias, finalmente lo consegui asi :
Código MySQL:
Ver originalSELECT jad6s_rsticketspro_tickets.id
, FROM_UNIXTIME(jad6s_rsticketspro_tickets.
date), jad6s_rsticketspro_tickets.code
, jad6s_rsticketspro_tickets.status_id
, jad6s_rsticketspro_custom_fields_values.
value, jad6s_rsticketspro_ticket_messages.message
, jad6s_rsticketspro_tickets.subject
, jad6s_rsticketspro_ticket_notes.
text from jad6s_rsticketspro_tickets
, jad6s_rsticketspro_custom_fields_values
, jad6s_rsticketspro_ticket_messages
, jad6s_rsticketspro_ticket_notes
where jad6s_rsticketspro_tickets.id
= jad6s_rsticketspro_custom_fields_values.ticket_id
and jad6s_rsticketspro_tickets.id
= jad6s_rsticketspro_ticket_messages.ticket_id
and jad6s_rsticketspro_tickets.id
= jad6s_rsticketspro_ticket_notes.ticket_id
GROUP BY jad6s_rsticketspro_tickets.code
Gracias por tu ayuda.