2009/2/1 Scott Marlowe <scott.marlowe@xxxxxxxxx>: > On Sat, Jan 31, 2009 at 9:04 PM, Richard Broersma > <richard.broersma@xxxxxxxxx> wrote: >> On Sat, Jan 31, 2009 at 3:16 PM, Andreas Wenk >> <a.wenk@xxxxxxxxxxxxxxxxxxxxxxx> wrote: >> >>> Why does this not work: >>> >>> postgres=# ALTER TABLE tab1 ALTER COLUMN nr TYPE serial; >>> ERROR: type "serial" does not exist >> >> serial is really just "short-hand" for making an integer column use >> default incrementing function. The following will fully explain what >> it is so that you can alter the column: >> http://www.postgresql.org/docs/8.3/interactive/datatype-numeric.html#DATATYPE-SERIAL > > ... But it's probably more complicated than > just making it a serial type, there's probably some question of > setting the sequence according to the max value in the table. I'd be > surprised if it's not on the TODO list somewhere. > Like: SELECT setval('serial', max(id)) FROM distributors; ? http://www.postgresql.org/docs/current/interactive/sql-createsequence.html Osvaldo -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general