#36977: Cache more expression `output_field` properties
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Reporter: Adam | Owner: Adam Johnson
Johnson |
Type: | Status: assigned
Cleanup/optimization |
Component: Database | Version: dev
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 |
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Many expression classes use `@cached_property` on `output_field` to avoid
recomputation, such as
[https://github.com/django/django/blob/0ae0029c2f4d82af937e9632cd5bf13e81e91f98/django/contrib/gis/db/backends/postgis/operations.py#L116-L118
`ST_Polygon`] and
[https://github.com/django/django/blob/0ae0029c2f4d82af937e9632cd5bf13e81e91f98/django/db/models/lookups.py#L162-L164
`Lookup`]. However, the opportunity has been missed in some expression
classes.
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Ticket URL: <https://code.djangoproject.com/ticket/36977>
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