On Wed, Dec 16, 2009 at 11:07 AM, Peter Robinett <pe...@bubblefoundry.com>wrote:
> Fair enough, but isn't this still a non-optimal situation with the > MySQL database driver? > What is your proposed change? > > Peter > > On Dec 15, 7:23 pm, David Pollak <feeder.of.the.be...@gmail.com> > wrote: > > On Tue, Dec 15, 2009 at 5:46 PM, Peter Robinett <pe...@bubblefoundry.com > >wrote: > > > > > > > > > > > > > My tables created by Schemefier have multiple keys for the primary key > > > when my Mapper model is declared like so: class myModel extends > > > LongKeyedMapper[myModel] with IdPK. There is naturally the primary key > > > but there is also a unique key on the column that simply duplicates > > > the functionality of the primary key. > > > > > Are other people seeing this? I've only looked on MySQL. This seems to > > > be because IdPK adds an id of type MappedLongIndex. Only the > > > longIndexColumnType of MySqlDriver has "UNIQUE KEY" in its definition. > > > Unique keys are great but, as I mentioned, if the column is also the > > > primary key the index is a duplication. Maybe this is something that > > > IdPK can disable when declaring the column? At least with MySQL > > > primary keys are guaranteed to be unique and InnoDB tables, which > > > Mapper uses, can have issues with long primary keys[1]. > > > > > Should this be fixed? Or is the more helpful answer 'Don't use > > > MySQL'? ;-) > > > > I would use MySQL for a production site. > > > > If IdPK isn't doing what you want, then don't use it, just declare the > > primary key field manually. > > > > > > > > > > > > > > > > > Peter > > > > > [1]:http://dev.mysql.com/doc/refman/5.1/en/innodb-index-types.html > > > > > -- > > > > > You received this message because you are subscribed to the Google > Groups > > > "Lift" group. > > > To post to this group, send email to lift...@googlegroups.com. > > > To unsubscribe from this group, send email to > > > liftweb+unsubscr...@googlegroups.com<liftweb%2bunsubscr...@googlegroups.com> > <liftweb%2bunsubscr...@googlegroups.com<liftweb%252bunsubscr...@googlegroups.com>> > > > . > > > For more options, visit this group at > > >http://groups.google.com/group/liftweb?hl=en. > > > > -- > > Lift, the simply functional web frameworkhttp://liftweb.net > > Beginning Scalahttp://www.apress.com/book/view/1430219890 > > Follow me:http://twitter.com/dpp > > Surf the harmonics > > -- > > You received this message because you are subscribed to the Google Groups > "Lift" group. > To post to this group, send email to lift...@googlegroups.com. > To unsubscribe from this group, send email to > liftweb+unsubscr...@googlegroups.com<liftweb%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/liftweb?hl=en. > > > -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups "Lift" group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
