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
>
> >
>
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