Upgrading from 1.4.3 to 2.2.8

[Anonymous]

Hi,

I have inherited an extremely old website running EME 1.4.3
Can I safely upgrade to the latest 2.2.38 version without losing anything?

Thanks,
Stephan

[Franky]

While I try to be backwards compatible, I can’t guarantee an upgrade from a version of 6 years ago 🙂
But: just go ahead and try it (make a db backup first), in theory it should work.

[Anonymous]

I had these errors when upgrading:

Erreur de la base de données WordPress : [Multiple primary key defined]
ALTER TABLE wp_eme_answers CHANGE answer_id answer_id INT(11) PRIMARY KEY AUTO_INCREMENT;

Erreur de la base de données WordPress : [Unknown column ‘grouping’ in ‘wp_eme_answers’]
ALTER TABLE wp_eme_answers CHANGE grouping eme_grouping INT(11) DEFAULT 0;

Erreur de la base de données WordPress : [Table ‘chorus.ch.wp_eme_memberships_cf’ doesn’t exist]
INSERT INTO wp_eme_answers(field_id,related_id,answer,type) SELECT field_id,membership_id,answer,’membership’ FROM wp_eme_memberships_cf

Erreur de la base de données WordPress : [Table ‘chorus.ch.wp_eme_events_cf’ doesn’t exist]
INSERT INTO wp_eme_answers(field_id,related_id,answer,type) SELECT field_id,event_id,answer,’event’ FROM wp_eme_events_cf

Erreur de la base de données WordPress : [Table ‘chorus.ch.wp_eme_locations_cf’ doesn’t exist]
INSERT INTO wp_eme_answers(field_id,related_id,answer,type) SELECT field_id,location_id,answer,’location’ FROM wp_eme_locations_cf

But the table wp_eme_answers seems to have all the new fields (and was empty anyway).

Thanks for the quick answer!
Stephan

[Franky]

The last 4 can indeed be ignored (but I corrected the code to take it into account).
The first one is a bit weird, but if your primary key exists and is answer_id, then all is ok.

Edit: ok, found the reason for the first one too, I’ll change the code for this too 🙂

[Author]

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