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| From | Dennis Lee Bieber <wlfraed@ix.netcom.com> |
| Subject | Re: Pragmas, foreign keys in sqlite3? |
| Date | Thu, 15 Mar 2012 16:21:26 -0400 |
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On Thu, 15 Mar 2012 09:59:54 -0700 (PDT), llanitedave
<llanitedave@veawb.coop> declaimed the following in
gmane.comp.python.general:
> it, and how to implement or add foreign keys to existing tables.
>
For the most part, SQLite3 doesn't permit any modification to
existing tables; one basically dumps the data, deletes the table,
redefines it with needed changes, reloads the data.
> Is there some way to use the sqlite PRAGMA command from within python?
>
> I tried connecting to the database and got
>
> >>> cr.execute('''PRAGMA foreign_keys;''')
> <sqlite3.Cursor object at 0xb7335720>
>
No surprise there... If any data is returned, you'll need to do a
cr.fetch() (or .fetchall() ).
> Do I need to recreate the entire database structure from scratch?
As mentioned above... essentially...
--
Wulfraed Dennis Lee Bieber AF6VN
wlfraed@ix.netcom.com HTTP://wlfraed.home.netcom.com/
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Pragmas, foreign keys in sqlite3? llanitedave <llanitedave@veawb.coop> - 2012-03-15 09:59 -0700 Re: Pragmas, foreign keys in sqlite3? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-03-15 16:21 -0400
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