Re: Manually added foreign key not working.

On 25/02/2013 2:59pm, laxmikant ratnaparkhi wrote:
> Does anybody can answer this?

Try changing your model from FK_Formats = models.ForeignKey(Formats) to ...

FK_Format = models.ForeignKey(Formats)Â Â

... and see what happens to the error.

Mike

>
> Let me know if anything extra is required?
>
> Thanks in advance.......
>
>
> Laxmikant
>
> On Wed, Feb 20, 2013 at 6:23 PM, laxmikant ratnaparkhi
> <laxglx01@gmail.com <mailto:laxglx01@gmail.com>> wrote:
>
> Hello all,
>
> I just run a command to Add foreign key to the existing table. and
> the command was like this:
>
> *ALTER TABLE acfs_subscriptionmaster ADD CONSTRAINT FK_Formats
> FOREIGN KEY (id) REFERENCES acfs_formats (id) MATCH FULL;*
>
> It has got executed. but giving error on the interface
>
> column acfs_subscriptionmaster.FK_Formats_id does not exist
> LINE 1: ...ccountmaster"."id") INNER JOIN "acfs_formats" ON
> ("acfs_subs...
>
> *What could be the reason, What Should I do to solve this. I can't
> DROP Table. ?*
>
> *my models.py looks like this :*
>
> class SubscriptionMaster(models.Model):
> Â Â Â """
> Â Â Â """
> Â Â Â uid = models.TextField(blank=True, null=True)
> Â Â Â FK_SubsType = models.ForeignKey(SubscriptionType)
> Â Â Â FK_Product = models.ForeignKey(ProductMaster)
> *Â Â Â FK_Formats = models.ForeignKey(Formats)Â Â
> <<----------------------------------Â Â Â Â Â Â Â Â Â Â Â Added
> this field in models.py
> *Â Â Â ccs_minimum_price = models.TextField(blank=True, null=True)
> Â Â Â ccs_maximum_price = models.TextField(blank=True, null=True)
> Â Â Â ccs_Increment_type = models.TextField(blank=True, null=True)
> Â Â Â ccs_minimum_increment = models.TextField(blank=True, null=True)
> Â Â Â ccs_maximum_increment = models.TextField(blank=True, null=True)
> Â Â Â ccs_default_offer = models.TextField(blank=True, null=True)
>
> Checked SQL Got created by *python manage.py sqlall* acfs
>
> This is my table :
>
> CREATE TABLE "acfs_subscriptionmaster" (
> Â Â Â "id" serial NOT NULL PRIMARY KEY,
> Â Â Â "uid" text,
> Â Â Â "FK_SubsType_id" integer NOT NULL REFERENCES
> "acfs_subscriptiontype" ("id") DEFERRABLE INITIALLY DEFERRED,
> Â Â Â "FK_Product_id" integer NOT NULL REFERENCES
> "acfs_productmaster" ("id") DEFERRABLE INITIALLY DEFERRED,
> *Â Â Â "FK_Formats_id" integer NOT NULL REFERENCES "acfs_formats"
> ("id") DEFERRABLE INITIALLY DEFERRED, <--------------This field has
> got created here *
> Â Â Â "ccs_minimum_price" text,
> Â Â Â "ccs_maximum_price" text,
> Â Â Â "ccs_Increment_type" text,
> Â Â Â "ccs_minimum_increment" text,
> Â Â Â "ccs_maximum_increment" text,
> Â Â Â "ccs_default_offer" text,
> );
>
> Also its howing indexes like this :
>
> CREATE INDEX "acfs_subscriptionformats_FK_Format_id" ON
> "acfs_subscriptionformats" ("FK_Format_id");
> CREATE INDEX "acfs_subscriptionmaster_FK_SubsType_id" ON
> "acfs_subscriptionmaster" ("FK_SubsType_id");
> CREATE INDEX "acfs_subscriptionmaster_FK_Product_id" ON
> "acfs_subscriptionmaster" ("FK_Product_id");
> CREATE INDEX "acfs_subscriptionmaster_FK_Formats_id" ON
> "acfs_subscriptionmaster" ("FK_Formats_id");
>
> Looks like error is field has not got created in actual database :
> *python manage.py dbshell*
> *acfsdb1=# SELECT * FROM acfs_subscriptionmaster;*
> Â id | uid | FK_SubsType_id | FK_Product_id | ccs_minimum_price |
> ccs_maximum_price | ccs_Increment_type | ccs_minimum_increment |
> ccs_maximum_increment | ccs_default_of
> fer | fix_startdatetime | fix_expiydatetime | fix_price | dur_period
> | wd_field_01 | wd_field_02 | wd_field_03 | wd_field_04 |
> wd_field_05 | flag_field_01 | created_dat
> e_time | modified_date_time
> ----+-----+----------------+---------------+-------------------+-------------------+--------------------+-----------------------+-----------------------+---------------
> ----+-------------------+-------------------+-----------+------------+-------------+-------------+-------------+-------------+-------------+---------------+------------
> -------+--------------------
> (0 rows)
>
> This is my DJANGO - Python versions
>
> Django Version: 1.2.7
> Exception Type: DatabaseError
> Exception Value:
>
> column acfs_subscriptionmaster.FK_Format_id does not exist
> LINE 1: ...ccountmaster"."id") INNER JOIN "acfs_formats" ON ("acfs_subs...
> ^
>
> Exception Location:
> /usr/lib/python2.6/site-packages/django/db/backends/postgresql_psycopg2/base.py
> in execute, line 44
> Python Executable: /usr/bin/python
> Python Version: 2.6.6
>
> *postgres 9.1*
>
>
> Traceback Variables (see at the bottom for the error)
> â–¼ Local vars
> <http://192.168.0.24/acfs/admin/acfs/subscriptionmaster/#>
> args
> ()
> e
> ProgrammingError('column acfs_subscriptionmaster.FK_Format_id does
> not exist\nLINE 1: ...ccountmaster"."id") INNER JOIN "acfs_formats"
> ON ("acfs_subs...\n ^\n',)
> query
> 'SELECT "acfs_subscriptionmaster"."id",
> "acfs_subscriptionmaster"."uid",
> "acfs_subscriptionmaster"."FK_SubsType_id",
> "acfs_subscriptionmaster"."FK_Product_id",
> "acfs_subscriptionmaster"."FK_Format_id",
> "acfs_subscriptionmaster"."ccs_minimum_price",
> "acfs_subscriptionmaster"."ccs_maximum_price",
> "acfs_subscriptionmaster"."ccs_Increment_type",
> "acfs_subscriptionmaster"."ccs_minimum_increment",
> "acfs_subscriptionmaster"."ccs_maximum_increment",
> "acfs_subscriptionmaster"."ccs_default_offer",
> "acfs_subscriptionmaster"."fix_startdatetime",
> "acfs_subscriptionmaster"."fix_expiydatetime",
> "acfs_subscriptionmaster"."fix_price",
> "acfs_subscriptionmaster"."dur_period",
> "acfs_subscriptionmaster"."wd_field_01",
> "acfs_subscriptionmaster"."wd_field_02",
> "acfs_subscriptionmaster"."wd_field_03",
> "acfs_subscriptionmaster"."wd_field_04",
> "acfs_subscriptionmaster"."wd_field_05",
> "acfs_subscriptionmaster"."flag_field_01",
> "acfs_subscriptionmaster"."created_date_time",
> "acfs_subscriptionmaster"."modified_date_time",
> "acfs_subscriptiontype"."id", "acfs_subscriptiontype"."substype",
> "acfs_subscriptiontype"."wd_field_01",
> "acfs_subscriptiontype"."wd_field_02", "acfs_productmaster"."id",
> "acfs_productmaster"."uid", "acfs_productmaster"."FK_Account_id",
> "acfs_productmaster"."product_type",
> "acfs_productmaster"."product_name",
> "acfs_productmaster"."product_description",
> "acfs_productmaster"."product_code", "acfs_productmaster"."author",
> "acfs_productmaster"."blurb", "acfs_productmaster"."title",
> "acfs_productmaster"."subtitle", "acfs_productmaster"."keywords",
> "acfs_productmaster"."subject", "acfs_productmaster"."contributor",
> "acfs_productmaster"."publisher",
> "acfs_productmaster"."published_date",
> "acfs_productmaster"."identifier", "acfs_productmaster"."genre",
> "acfs_productmaster"."title_sort",
> "acfs_productmaster"."author_sort", "acfs_productmaster"."relation",
> "acfs_productmaster"."pricing_type",
> "acfs_productmaster"."is_empty", "acfs_productmaster"."purchase",
> "acfs_productmaster"."subscription",
> "acfs_productmaster"."copyright", "acfs_productmaster"."created_by",
> "acfs_productmaster"."modified_by", "acfs_productmaster"."workuid",
> "acfs_productmaster"."wd_field_01",
> "acfs_productmaster"."wd_field_02",
> "acfs_productmaster"."wd_field_03",
> "acfs_productmaster"."wd_field_04",
> "acfs_productmaster"."wd_field_05",
> "acfs_productmaster"."flag_field1",
> "acfs_productmaster"."flag_field2",
> "acfs_productmaster"."created_date_time",
> "acfs_productmaster"."modified_date_time",
> "acfs_accountmaster"."id", "acfs_accountmaster"."uid",
> "acfs_accountmaster"."account_name",
> "acfs_accountmaster"."account_url",
> "acfs_accountmaster"."account_type", "acfs_accountmaster"."active",
> "acfs_accountmaster"."currency",
> "acfs_accountmaster"."organization",
> "acfs_accountmaster"."address1", "acfs_accountmaster"."address2",
> "acfs_accountmaster"."city", "acfs_accountmaster"."postal_zip",
> "acfs_accountmaster"."state", "acfs_accountmaster"."country",
> "acfs_accountmaster"."contact_name",
> "acfs_accountmaster"."contact_mobile",
> "acfs_accountmaster"."contact_email",
> "acfs_accountmaster"."language",
> "acfs_accountmaster"."maximum_users",
> "acfs_accountmaster"."maximum_documents",
> "acfs_accountmaster"."expiry_date",
> "acfs_accountmaster"."wd_field_01",
> "acfs_accountmaster"."wd_field_02",
> "acfs_accountmaster"."wd_field_03",
> "acfs_accountmaster"."wd_field_04",
> "acfs_accountmaster"."wd_field_05",
> "acfs_accountmaster"."flag_field1",
> "acfs_accountmaster"."flag_field2",
> "acfs_accountmaster"."created_date_time",
> "acfs_accountmaster"."modified_date_time",
> "acfs_accountmaster"."created_by",
> "acfs_accountmaster"."modified_by", "acfs_formats"."id",
> "acfs_formats"."uid", "acfs_formats"."format_name",
> "acfs_formats"."format_type", "acfs_formats"."subscription",
> "acfs_formats"."wd_field_01", "acfs_formats"."wd_field_02",
> "acfs_formats"."created_date_time",
> "acfs_formats"."modified_date_time" FROM *"acfs_subscriptionmaster"
> INNER JOIN "acfs_subscriptiontype" ON
> ("acfs_subscriptionmaster"."FK_SubsType_id" =
> "acfs_subscriptiontype"."id") INNER JOIN "acfs_productmaster" ON
> ("acfs_subscriptionmaster"."FK_Product_id" =
> "acfs_productmaster"."id") INNER JOIN "acfs_accountmaster" ON
> ("acfs_productmaster"."FK_Account_id" = "acfs_accountmaster"."id")
> INNER JOIN "acfs_formats" ON
> ("acfs_subscriptionmaster"."FK_Format_id" = "acfs_formats"."id")
> ORDER BY "acfs_subscriptionmaster"."id" DESC*'
> self
> <django.db.backends.postgresql_psycopg2.base.CursorWrapper object at
> 0x7ff73e389d50>
>
>
>
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