#36858: Optimize `db_default` creation
-------------------------------------+-------------------------------------
Reporter: Adam Johnson | Owner: Adam
Type: | Johnson
Cleanup/optimization | Status: closed
Component: Database layer | Version: dev
(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 Jacob Walls <jacobtylerwalls@…>):
* resolution: => fixed
* status: assigned => closed
Comment:
In [changeset:"2b192bff26cf956c168790fce6a637cbd814250b" 2b192bff]:
{{{#!CommitTicketReference repository=""
revision="2b192bff26cf956c168790fce6a637cbd814250b"
Fixed #36858 -- Optimized `Field._get_default()` for `db_default` case.
Create and share a single instance of `DatabaseDefault` instead of making
a new
one each time the lambda is called. The quick benchmark on the ticket
shows a
~12% speedup for a large `bulk_create()` operation.
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/36858#comment:3>
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