Any luck with schema evolution lately?
I'm starting to look at seeing if i can merge this back to trunk as
well, but wanted to know if you've made any progress.
I'm using the postgresql_psycopg2 backend.
vic
On 9/14/06, Matthew Flanagan <[EMAIL PROTECTED]> wrote:
>
> postgresql
>
> On 14/09/06, Derek Anderson <[EMAIL PROTECTED]> wrote:
> >
> > which backend are you using?
> >
> > Matthew Flanagan wrote:
> > > Derek,
> > >
> > > I have manually merged the trunk into my local working copy of the
> > > schema-evolution branch and started playing with it. I wanted to
> > > question the SQL "sqlevolve" is outputting. I have this model in an
> > > application called "asset":
> > >
> > > class Interface(models.Model):
> > > name = models.CharField(maxlength=64, core=True, db_index=True,
> > > help_text='The name of the interface as given by the asset.')
> > > interfacetype = models.ForeignKey(InterfaceType)
> > > ipaddress = models.ForeignKey(IPAddress, verbose_name='IP Address',
> > > raw_id_admin=True)
> > > # allow for EUI-48 and EUI-64 addresses
> > > mac_address = models.CharField(maxlength=24, blank=True,
> > > help_text='The EUI-48 or EUI-64 physical address of the
> > > interface.')
> > > domain = models.CharField(maxlength=255, blank=True,
> > > help_text='The DNS domain this host resides in.')
> > > asset = models.ForeignKey(Asset, edit_inline=models.TABULAR,
> > > num_in_admin=10, num_extra_on_change=5)
> > > objects = InterfaceManager()
> > >
> > > def _get_meta(self):
> > > return self._meta
> > > meta = property(_get_meta)
> > >
> > > def __str__(self):
> > > return "%s:%s" % (self.asset, self.name)
> > >
> > > def get_absolute_url(self):
> > > return self.asset.get_absolute_url()
> > >
> > > class Meta:
> > > ordering = ['name']
> > > unique_together = (('asset', 'name'),)
> > >
> > > class Admin:
> > > pass
> > >
> > > and the schema from "./manage.py sql asset":
> > >
> > > CREATE TABLE "asset_interface" (
> > > "id" serial NOT NULL PRIMARY KEY,
> > > "name" varchar(64) NOT NULL,
> > > "interfacetype_id" integer NOT NULL,
> > > "ipaddress_id" integer NOT NULL REFERENCES "ip_ipaddress" ("id"),
> > > "mac_address" varchar(24) NOT NULL,
> > > "domain" varchar(255) NOT NULL,
> > > "asset_id" integer NOT NULL REFERENCES "asset_asset" ("id"),
> > > UNIQUE ("asset_id", "name")
> > > );
> > >
> > >
> > > when I run "./manage.py sqlevolve asset" with absolutely no changes to
> > > my models it outputs:
> > >
> > > BEGIN;
> > > ALTER TABLE "asset_interface" ADD COLUMN "name_tmp" varchar(64);
> > > UPDATE "asset_interface" SET "name_tmp" = "name";
> > > ALTER TABLE "asset_interface" DROP COLUMN "name";
> > > ALTER TABLE "asset_interface" RENAME COLUMN "name_tmp" TO "name";
> > > ALTER TABLE "asset_interface" ALTER COLUMN "name" SET NOT NULL;
> > > COMMIT;
> > >
> > >
> > > Any ideas why it is doing this?
> > >
> > > regards
> > >
> > > matthew
> > >
> > > >
> > >
> >
> >
> > >
> >
>
> >
>
--
"Never attribute to malice that which can be adequately explained by
stupidity." - Hanlon's Razor
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