so if you store record_id as a text field, ( as some plugins do like
tagging ) then those ids will be wrong upon insertion to a new
database.

-Thadeus





On Wed, Mar 10, 2010 at 8:11 AM, mdipierro <[email protected]> wrote:
> You can do it this way:
>
> buffer=open('buffer','wb')
> db1.export_to_csv_data(buffer)
> buffer=open('buffer','rb')
> db2.import_from_csv_data(buffer)
>
> all references will be preserved although the record ids will change.
>
> On Mar 10, 6:24 am, Maciek Sykulski <[email protected]> wrote:
>> Hi Everyone,
>>
>> Let's assume we have 2 databases db1, db2 with exactly the same
>> structure.
>>
>> I need to write a function that imports all the records from db2 to
>> db2 conserving appropriate structure, references on copied records.
>> (of course copying records from one table to another is not good
>> because of auto-incremented ids)
>>
>> Treatment of duplicates could be configurable, or we can assume for
>> now that we always create duplicated records (as long as "unique" does
>> not forbid that).
>>
>> I could code this to work in particular case of my particular
>> database.
>> Then, I thought that maybe it's worth to write a generic function, a
>> plugin, that works for any given database and a set of records:
>>
>> def importToDb(db1, db2, list_of_tablenames, ...):   # Copies records
>> from all tables on the list from db2 to relevant tables in db1
>>     ...
>>
>> Probably this function should use mechanisms which are used inside
>> appadmin?
>>
>> I'm posting this hoping that maybe someone did something like that
>> before, or maybe has some clues/ideas how to program that?
>>
>> Thanks,
>> Maciek
>
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