Hi, Charles, On Tue, May 22, 2018 at 2:30 PM, Charles Leifer <colei...@gmail.com> wrote: > As a workaround, you can always rename the existing table, create the new > table with desired attributes, and do a INSERT INTO ... SELECT FROM > old_table. Then you can safely drop the old table.
But the table_name will be different. Also the data in the old table might be referencing some other table. So this process is not really very straightforward... Thank you. > > On Tue, May 22, 2018 at 1:14 PM, Thomas Kurz <sqlite.2...@t-net.ruhr> wrote: > >> > ALTER TABLE ADD COLUMN has existed for a long time. >> >> Yes, sorry, I mixed things up. >> >> The order of importance is imho: >> 1. RENAME COLUMN (shouldn't be too hard) >> 2. DROP COLUMN (should be a bit more comlicated but feasible) >> 3. MODIFY COLUMN >> >> > What kind of MODIFY COLUMN changes do you have in mind? >> >> I understand this can be difficult as there are many possible operations >> that might be incompatible with the data already stored in that column. >> Last time I needed MODIFY, I wanted to change the ON UPDATE/DELETE CASCADE >> action of a foreign key column. Also adding/removing a foreign key would be >> useful. >> >> Kind regards, >> Thomas >> >> _______________________________________________ >> sqlite-users mailing list >> sqlite-users@mailinglists.sqlite.org >> http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users >> > _______________________________________________ > sqlite-users mailing list > sqlite-users@mailinglists.sqlite.org > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
