Topics tagged changesets

Topic	Replies	Views	Activity
How do you handle mutually dependent form fields in LiveView forms? Questions forms , ecto , changesets , phoenix , liveview , liveview-form	4	170	May 2, 2026
Sampo - automate changelogs, versioning, and publishing for Elixir (and multi-ecosystem monorepos) Announcing changesets , library , releases , devops , cicd , publishing , sampo	15	650	February 11, 2026
Changes not properly applied with Ecto.Changeset.apply_changes/1 Questions ecto , changesets , phoenix	8	133	September 6, 2025
Cleanly add custom errors for Ecto.Changeset.cast/4 Chat / Discussions ecto , changesets , phoenix , gettext	6	236	July 10, 2025
Why can't we have embeds_many :foo, :map where the embeds is a list of non-homogenous maps? Questions ecto , changesets , phoenix	2	124	May 23, 2025
Distant relations, deleting, and getting database constraint errors into a changeset Questions ecto , changesets , phoenix	1	84	May 15, 2025
Organizing changesets: universal vs. per-operation vs. per-role Chat / Discussions ecto , changesets , phoenix	8	317	May 13, 2025
Return changeset with constraint error from nested transaction Questions ecto , changesets , transactions	2	94	March 19, 2025
Unexpected error using message: {msg, opts} option in validation code Questions ecto , changesets , phoenix , input-validation	2	68	January 30, 2025
How to securely set parameter for changset without allowing user manipulation? Questions changesets , phoenix , controller	8	156	October 29, 2024
How to Modify Changeset at Save Time in Ash Chat / Discussions changesets , ash	1	92	October 1, 2024
Is it possible to have Ecto unique_constraint with errors on multiple fields? Questions ecto , changesets , phoenix	6	3343	July 25, 2024
Add_error for embedded changeset Questions changesets	6	1557	July 8, 2024
Ash always casts attributes, even if they are rejected by the action? Questions ecto , changesets , ash	1	247	February 7, 2024
Add embed to changeset manually Questions changesets , ash	2	303	February 1, 2024
Best approach: update affecting other resources (multiple changesets from one action) Questions changesets , postgres , ash	4	633	December 12, 2023
Using external HTTP API for data storage Questions ecto , changesets , api , phoenix , validation , liveview	3	884	October 8, 2023
How to get current(or old?) value of field from an Ecto changeset? Questions ecto , changesets	5	5092	September 5, 2023
How to print changeset errors without using the changeset in form_for? Questions forms , changesets , phoenix	7	3793	August 9, 2023
How to update a Struct without explicit Attributes Questions ecto , changesets	6	803	August 1, 2023
Checking changeset for changes causes changed? undefined error Questions changesets	4	818	July 31, 2023
Changeset Helpers – Ease working with nested Changesets and associations Announcing ecto , changesets , library , changeset_helpers	6	1910	May 27, 2023
Need help with changeset errors, I have no idea how to approach this problem Questions ecto , changesets , phoenix	3	751	May 25, 2023
Insert with associated data, selecting associated data in changeset Questions ecto , changesets , associations	3	446	April 26, 2023
Liveview dynamic form - adding items from list Questions forms , changesets , phoenix , liveview	12	2409	April 23, 2023
Map embed schema for changeset - take data from one structure and save it on a similar structure Questions ecto , changesets , embedded_schema	3	662	April 13, 2023
Ecto.Changeset and data with dynamic schema Questions ecto , changesets , phoenix	1	751	April 11, 2023
How do I hook up a changeset to a Phoenix 'select' list? Questions changesets , phoenix , filters	4	1050	April 4, 2023
Ecto Changeset validate_confirmation function is undefined Chat / Discussions changesets , phoenix , modules	3	831	March 3, 2023
PostGIS UndefinedFunctionError (Geo.PostGIS.Geometry.equal?/2) Questions ecto , changesets , postgis	2	550	February 6, 2023