Re: [Django] #31755: make temporal subtraction work without ExpressionWrapper

[Django]

#31755: make temporal subtraction work without ExpressionWrapper
-+-
 Reporter:  Sergey Fedoseev  |Owner:  Sergey
 Type:   |  Fedoseev
  Cleanup/optimization   |   Status:  closed
Component:  Database layer   |  Version:  master
  (models, ORM)  |
 Severity:  Normal   |   Resolution:  fixed
 Keywords:   | Triage Stage:  Ready for
 |  checkin
Has patch:  1|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+-
Changes (by Mariusz Felisiak ):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 In [changeset:"9d519d3dc4e5bd1d9ff3806b44624c3e487d61c1" 9d519d3]:
 {{{
 #!CommitTicketReference repository=""
 revision="9d519d3dc4e5bd1d9ff3806b44624c3e487d61c1"
 Fixed #31755 -- Made temporal subtraction resolve output field.
 }}}

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Ticket URL: 
Django 
The Web framework for perfectionists with deadlines.

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Re: [Django] #31755: make temporal subtraction work without ExpressionWrapper

[Django]

#31755: make temporal subtraction work without ExpressionWrapper
-+-
 Reporter:  Sergey Fedoseev  |Owner:  Sergey
 Type:   |  Fedoseev
  Cleanup/optimization   |   Status:  assigned
Component:  Database layer   |  Version:  master
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:   | Triage Stage:  Ready for
 |  checkin
Has patch:  1|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+-
Changes (by felixxm):

 * stage:  Accepted => Ready for checkin


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Ticket URL: 
Django 
The Web framework for perfectionists with deadlines.

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Re: [Django] #31755: make temporal subtraction work without ExpressionWrapper

[Django]

#31755: make temporal subtraction work without ExpressionWrapper
-+-
 Reporter:  Sergey Fedoseev  |Owner:  Sergey
 Type:   |  Fedoseev
  Cleanup/optimization   |   Status:  assigned
Component:  Database layer   |  Version:  master
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:   | Triage Stage:  Accepted
Has patch:  1|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+-
Changes (by felixxm):

 * type:  Uncategorized => Cleanup/optimization


-- 
Ticket URL: 
Django 
The Web framework for perfectionists with deadlines.

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Re: [Django] #31755: make temporal subtraction work without ExpressionWrapper

[Django]

#31755: make temporal subtraction work without ExpressionWrapper
-+-
 Reporter:  Sergey Fedoseev  |Owner:  Sergey
 |  Fedoseev
 Type:  Uncategorized|   Status:  assigned
Component:  Database layer   |  Version:  master
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:   | Triage Stage:  Accepted
Has patch:  1|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+-
Changes (by Carlton Gibson):

 * stage:  Unreviewed => Accepted


Comment:

 Hi Sergey. Thanks — yes, it would be nice it that worked.

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[Django] #31755: make temporal subtraction work without ExpressionWrapper

[Django]

#31755: make temporal subtraction work without ExpressionWrapper
-+-
   Reporter:  Sergey |  Owner:  nobody
  Fedoseev   |
   Type: | Status:  new
  Uncategorized  |
  Component:  Database   |Version:  master
  layer (models, ORM)|
   Severity:  Normal |   Keywords:
   Triage Stage: |  Has patch:  0
  Unreviewed |
Needs documentation:  0  |Needs tests:  0
Patch needs improvement:  0  |  Easy pickings:  0
  UI/UX:  0  |
-+-
 {{{
 class Experiment(models.Model):
 start = models.DateTimeField()
 end = models.DateTimeField()

 Experiment.objects.annotate(
 delta=F('end') - F('start') + Value(datetime.timedelta(),
 output_field=DurationField())
 )
 }}}
 This gives:
 {{{
 django.core.exceptions.FieldError: Expression contains mixed types:
 DateTimeField, DurationField. You must set output_field.
 }}}

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Ticket URL: 
Django 
The Web framework for perfectionists with deadlines.

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Re: [Django] #31755: make temporal subtraction work without ExpressionWrapper

[Django]

#31755: make temporal subtraction work without ExpressionWrapper
-+-
 Reporter:  Sergey Fedoseev  |Owner:  Sergey
 |  Fedoseev
 Type:  Uncategorized|   Status:  assigned
Component:  Database layer   |  Version:  master
  (models, ORM)  |
 Severity:  Normal   |   Resolution:
 Keywords:   | Triage Stage:
 |  Unreviewed
Has patch:  0|  Needs documentation:  0
  Needs tests:  0|  Patch needs improvement:  0
Easy pickings:  0|UI/UX:  0
-+-
Changes (by Sergey Fedoseev):

 * owner:  nobody => Sergey Fedoseev
 * status:  new => assigned


-- 
Ticket URL: 
Django 
The Web framework for perfectionists with deadlines.

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