Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:  (none)
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  dev
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-

Comment (by HAMA Barhamou):

 if this method worked:

 {{{
 extended_user = ExtendedUser(user_ptr_id=auth_user.pk)
 extended_user.__dict__.update(auth_user.__dict__)
 extended_user.save()
 }}}


 here: [https://stackoverflow.com/questions/4064808/django-model-
 inheritance-create-sub-instance-of-existing-instance-downcast]

 why not simply use it under the hood of django. Too easy. there must be
 something I've missed. **I wonder what it is. do you have an idea?** or
 maybe it's not enough to cover all scenarios.

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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:  (none)
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  dev
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-

Comment (by Simon Charette):

 I wonder if the newly introduced `force_insert` feature in Django 5.0 (not
 released yet) that allows specifying which tables should be inserted
 happens to address this issue see (#30382 and
 a40b0103bccb8216c944188d329d8ea5eceb7e92).


 To take the initially reported use case

 {{{#!python
 parent = Restaurant.objects.get(name__iexact="Bob's Place").parent
 bar = Bar(parent=parent, happy_hour=True)
 bar.save(force_insert=(Bar,))
 }}}

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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:  (none)
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  dev
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-

Comment (by Charlie Denton):

 I'm in the process of refactoring some code to remove use of multi-table
 inheritance, and the ability to create these tables separately would be
 very useful to me as a part of the refactor.

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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:  (none)
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  dev
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-
Changes (by Charlie Denton):

 * cc: Charlie Denton (added)


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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:  (none)
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  dev
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-
Changes (by JM Barbier):

 * cc: JM Barbier (added)


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Ticket URL: 
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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:  (none)
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  dev
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-
Changes (by Sergey Fedoseev):

 * cc: Sergey Fedoseev (removed)


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Ticket URL: 
Django 
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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:  (none)
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  dev
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-
Changes (by InvalidInterrupt):

 * cc: InvalidInterrupt (added)


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Ticket URL: 
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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:  (none)
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  master
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-
Changes (by Bel-Shazzar):

 * cc: Bel-Shazzar (added)


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Ticket URL: 
Django 
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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:  (none)
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  master
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-
Changes (by mrodal):

 * cc: mrodal (added)


Comment:

 wow, 11 years.. and it seems so simple to be able to insert a row with 1
 FK and the child fields..

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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:  (none)
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  master
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-
Changes (by Carlos Palol):

 * cc: Carlos Palol (added)


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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:  (none)
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  master
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-
Changes (by kamandol):

 * cc: kamandol (added)


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Ticket URL: 
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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:  (none)
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  master
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-
Changes (by Sergey Fedoseev):

 * cc: Sergey Fedoseev (added)


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Ticket URL: 
Django 
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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:
 Type:  New feature  |   Status:  new
Component:  Database layer   |  Version:  master
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-
Changes (by timgraham):

 * owner:  elektrrrus =>
 * status:  assigned => new


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Re: [Django] #7623: Multi-table inheritance: Add the ability create child instance from existing parent (was: Multi-table inheritance: create child instance from existing parent)

[Django]

#7623: Multi-table inheritance: Add the ability create child instance from
existing parent
-+-
 Reporter:  brooks.travis@…  |Owner:
 |  elektrrrus
 Type:  New feature  |   Status:  assigned
Component:  Database layer   |  Version:  master
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:  model-inheritance,   | Triage Stage:  Accepted
  multi-table-inheritance|
Has patch:  1|  Needs documentation:  0
  Needs tests:  1|  Patch needs improvement:  1
Easy pickings:  0|UI/UX:  0
-+-
Changes (by timgraham):

 * needs_docs:  1 => 0
 * type:  Bug => New feature


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