#22608: Migrations optimizer slow (due to double working?)
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Reporter: davids | Owner: nobody
Type: | Status: new
Cleanup/optimization | Version:
Component: Migrations | 1.7-beta-2
Severity: Normal | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by UloPe):
This PR https://github.com/django/django/pull/3545 speeds up the optimizer
by about 60% simply by pulling out the creation of two utility lists from
function to module scope and caching the result of calling .lower() on the
.name, .old_name, .new_name and .module_name attributes in Operation
subclasses.
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Ticket URL: <https://code.djangoproject.com/ticket/22608#comment:13>
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