#37115: Title: Add support for Generic Relations / Table-Valued Expressions in
the
ORM
-------------------------------------+-------------------------------------
Reporter: Pravin | Owner: Pravin
Type: New | Status: assigned
feature |
Component: Database | Version: 6.0
layer (models, ORM) | Keywords: Table Value
Severity: Normal | expressions, Set returning
| functions, SRF, generate_series,
Triage Stage: | Postgres, Orm
Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
This ticket proposes the implementation of a generic Relation API within
the Django ORM to support Table-Valued Expressions (TVEs) and functions
that return sets of rows.
A generic Relation API will lay the groundwork for cleanly implementing
several advanced querying features across different databases, including:
- PostgreSQL `generate_series()` (and potential equivalents for other
backends).
- Subqueries acting as derived tables directly within the `FROM` clause.
- Database abstraction for `json_each()` , `JSON_TABLE` and
`json_array_elements()`.
- Deprecation of `FilteredRelation`.
References & Context
Django Forum Discussion: [https://forum.djangoproject.com/t/proposal-add-
generate-series-support-to-contrib-postgres/21947]
Django New Features Thread:[https://github.com/django/new-
features/issues/25]
Official GSoC 2026 Announcement:
[https://www.djangoproject.com/weblog/2026/may/05/gsoc-2026-django-
contributors/]
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Ticket URL: <https://code.djangoproject.com/ticket/37115>
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