#12810: ManyToManyField.db_table
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Reporter: strelnikovdmitrij | Owner: nobody
Status: new | Milestone:
Component: Documentation | Version: SVN
Resolution: | Keywords: ManyToManyField
Stage: Unreviewed | Has_patch: 0
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Changes (by Alex):
* needs_better_patch: => 0
* needs_tests: => 0
* needs_docs: => 0
Old description:
> Originally from documentation.
> ManyToManyField.db_table
> The name of the table to create for storing the many-to-many data. If
> this is not provided, Django will assume a default name based upon the
> names of the two tables being joined.
>
> It is a little bit unclear, cause if db_table is not provided, Django
> will create table with name based on the name of the model (table that
> has the ManyToManyField), and field name that contain this
> ManyToManyField.
>
> class Product(models.Model):
> color = models.ManyToManyField('ProductColor', null=True, blank=True)
> class Meta:
> db_table = 'eshop_product'
>
> class ProductColor(models.Model):
> name = ...
> class Meta:
> db_table = 'eshop_product_color'
>
> running syncdb
> after the creation of 'eshop_product' table Django will create
> 'eshop_product_color' table that holds relation between Product and
> ProductColor. The table for ProductColor will never create.
New description:
Originally from documentation.
ManyToManyField.db_table
The name of the table to create for storing the many-to-many data. If this
is not provided, Django will assume a default name based upon the names of
the two tables being joined.
It is a little bit unclear, cause if db_table is not provided, Django will
create table with name based on the name of the model (table that has the
ManyToManyField), and field name that contain this ManyToManyField.
{{{
class Product(models.Model):
color = models.ManyToManyField('ProductColor', null=True, blank=True)
class Meta:
db_table = 'eshop_product'
class ProductColor(models.Model):
name = ...
class Meta:
db_table = 'eshop_product_color'
}}}
running syncdb
after the creation of 'eshop_product' table Django will create
'eshop_product_color' table that holds relation between Product and
ProductColor. The table for ProductColor will never create.
Comment:
Reformatted, please use preview.
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Ticket URL: <http://code.djangoproject.com/ticket/12810#comment:1>
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