Topics tagged changesets

Topic	Replies	Views	Activity
How do you handle mutually dependent form fields in LiveView forms? Questions / Help forms , ecto , changesets , liveview , liveview-form	4	159	May 2, 2026
Sampo - automate changelogs, versioning, and publishing for Elixir (and multi-ecosystem monorepos) Libraries changesets , releases , devops , cicd , publishing , sampo	15	631	February 11, 2026
Changes not properly applied with Ecto.Changeset.apply_changes/1 Questions / Help ecto , changesets , phoenix	8	126	September 6, 2025
Cleanly add custom errors for Ecto.Changeset.cast/4 Chat / Discussions ecto , changesets , phoenix , gettext	6	230	July 10, 2025
Why can't we have embeds_many :foo, :map where the embeds is a list of non-homogenous maps? Questions / Help ecto , changesets , phoenix	2	121	May 23, 2025
Distant relations, deleting, and getting database constraint errors into a changeset Questions / Help ecto , changesets , phoenix	1	80	May 15, 2025
Organizing changesets: universal vs. per-operation vs. per-role Chat / Discussions ecto , changesets	8	306	May 13, 2025
Return changeset with constraint error from nested transaction Questions / Help ecto , changesets , transactions	2	90	March 19, 2025
Unexpected error using message: {msg, opts} option in validation code Questions / Help ecto , changesets , phoenix , input-validation	2	62	January 30, 2025
How to securely set parameter for changset without allowing user manipulation? Questions / Help changesets , phoenix , controller	8	148	October 29, 2024
How to Modify Changeset at Save Time in Ash Ash Chat changesets	1	87	October 1, 2024
Is it possible to have Ecto unique_constraint with errors on multiple fields? Questions / Help ecto , changesets , phoenix	6	3333	July 25, 2024
Add_error for embedded changeset Questions / Help changesets	6	1545	July 8, 2024
Ash always casts attributes, even if they are rejected by the action? Ash Questions / Help ecto , changesets , ash-questions	1	243	February 7, 2024
Add embed to changeset manually Ash Questions / Help changesets , ash-questions	2	299	February 1, 2024
Best approach: update affecting other resources (multiple changesets from one action) Ash Questions / Help changesets , postgres , ash-questions	4	624	December 12, 2023
Using external HTTP API for data storage Questions / Help ecto , changesets , api , phoenix , validation , liveview	3	881	October 8, 2023
How to get current(or old?) value of field from an Ecto changeset? Questions / Help ecto , changesets	5	5072	September 5, 2023
How to print changeset errors without using the changeset in form_for? Questions / Help forms , changesets , phoenix	7	3786	August 9, 2023
How to update a Struct without explicit Attributes Questions / Help ecto , changesets	6	787	August 1, 2023
Checking changeset for changes causes changed? undefined error Questions / Help changesets	4	814	July 31, 2023
Changeset Helpers – Ease working with nested Changesets and associations Libraries ecto , changesets , changeset_helpers	6	1908	May 27, 2023
Need help with changeset errors, I have no idea how to approach this problem Questions / Help ecto , changesets	3	746	May 25, 2023
Insert with associated data, selecting associated data in changeset Questions / Help ecto , changesets , associations	3	442	April 26, 2023
Liveview dynamic form - adding items from list Questions / Help forms , changesets , phoenix , liveview	12	2400	April 23, 2023
Map embed schema for changeset - take data from one structure and save it on a similar structure Questions / Help ecto , changesets , embedded_schema	3	654	April 13, 2023
Ecto.Changeset and data with dynamic schema Questions / Help ecto , changesets , phoenix	1	749	April 11, 2023
How do I hook up a changeset to a Phoenix 'select' list? Questions / Help changesets , phoenix , filters	4	1043	April 4, 2023
Ecto Changeset validate_confirmation function is undefined Chat / Discussions changesets , phoenix , modules	3	823	March 3, 2023
PostGIS UndefinedFunctionError (Geo.PostGIS.Geometry.equal?/2) Questions / Help ecto , changesets , postgis	2	545	February 6, 2023