Maybe I found the offending command!! Here is what I wrote:
# T is some model in my model.py
opts = T._meta
fields = opts.fields
fields.extend(opts.many_to_many)
...
This is awful! I'm erroneously modifying the fields value of my
model!
E.
On 13 Mag, 23:45, "?manu*" wrote:
> Dear experts,
>
> today I was inspecting the ManyToMany relations in the _meta subclass
> of a Model class of my database. At some time I realized that all data
> associated to such relations was lost in the database! The
> corresponding tables are empty. Other fields and relations are ok.
>
> I suspect I have issued some command (working from the shell issued
> with manage.py) which erased the field form the data model and
> consequently all the corresponding data has been deleted. Can you
> imagine what kind of action may have I done?
>
> I suspect there is no way to recover the lost data, apart from backup
> isn't it? (the database engine is mysql).
>
> Today I'm very sad...
>
> Thank you in advance for any suggestion.
>
> E.
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