Opened 11 years ago

Last modified 11 years ago

#22124 closed Cleanup/optimization

Expand the Documentation of Custom Lookups for V1.7 — at Initial Version

Reported by: Maarten Owned by: nobody
Component: Documentation Version: dev
Severity: Normal Keywords:
Cc: Triage Stage: Accepted
Has patch: no Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description

Custom Lookups look great, however, I find the documentation terse. Example: no explanation what

lhs, lhs_params = self.process_lhs(qn, connection)

is exactly.

The explanation: "lhs
The lhs (left-hand side) of a lookup tells us what we are comparing the rhs to. It is an object which implements the query expression API. This is likely to be a field, an aggregate or a subclass of Transform.
does not explain" does not explain what lhs_params might be. Also a search on "process_lhs" on complete Django website only points to this page (no other pages).

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