Questions & Help>Questions

Apply changes from changeset to a record fetched via repo.one

#ecto#changesets#ecto-changeset
tanweerdev

tanweerdev

Apply changes from changeset to a record fetched via repo.one

I have a requirement where I am receiving a changeset in a function and if a record exists in a table, that changeset should apply to that record. Whats the best possible way. I can do for example
cast(record, changeset.changes)
is this the best way to achieve the desired result?

1 comment
#ecto-changeset
0 792 1

First Post!

al2o3cr

al2o3cr

Since you’ve already got a changeset (presumably with cast and validations etc) you could use Ecto.Changeset.change/2:

Ecto.Changeset.change(struct, changeset.change)
Post #2

Where Next?

View thread on forum (has 1 response!)
ecto
changesets
ecto-changeset
Home Questions & Help>Questions
#ecto#changesets#ecto-changeset
0 793 1
Last post

Popular in Questions Top

openscript
Questions & Help>Questions

How to set up the Elixir SDK in Intellij IDEA with the intellij-elixir plugin?
Hello! Sorry for this astonishing simple question, but I’m really stuck. I try to set up the intellij-elixir plugin, but I don’t know ho...
17 22671 9
New
script
Questions & Help>Questions

Removing spaces and characters from string
If I have a string “1000 cfu/ml” . I want to remove the characters and / and space . So the string is like this "1000" What is the ...
#regex
11 14427 2
New
Fl4m3Ph03n1x
Questions & Help>Questions

How to test a GenServer?
Background Let’s assume I have a typical GenServer that receives messages as requests, does some operation in a DB and returns responses....
#testing#actor-model
77 13824 19
New
gonzofish
Questions & Help>Questions

Ecto: how to join three tables?
I’m currently trying to understand how to join three tables using Ecto. All the examples I’ve seen use 2, so maybe I’m just missing somet...
/phoenix#ecto
21 13889 7
New
electic
Questions & Help>Questions

DateTime Format to string?
Hi, I am new to Elixir. I am trying to use the DateTime component to insert a date into MySQL however the there seems to be no way to fo...
#datetime
19 24687 16
New
sabri
Questions & Help>Questions

Ecto pool_size?
Can someone explain the settings of pool_size of Ecto in config file? and what is the recommend size? Thanks
#ecto
30 14050 5
New
Mooodi
Questions & Help>Questions

Get a char from a string by index
Given a string, how can I get access to its character by index? Enum.at("my_string", 2) doesn't work. Or rather, not char, but a substr...
12 13252 4
New
jay1
Questions & Help>Questions

Why isn’t mnesia the most preferred database for use in Elixir/Phoenix?
Why is it that the mnesia database isn’t the most preferred database for use in Elixir/Phoenix?
/phoenix#mnesia
123 21186 22
New
lanycrost
Questions & Help>Questions

How To Implement if...else if...else condition
Hi everyone! I need implement if…else if…else condition from my elixir code, and anymore of this control flow structures not work proper...
#how-to-question
40 51494 6
New
idi527
Questions & Help>Questions

How I would create a multiline string without a trailing line break with Elixir?
I’ve been re-reading swift book again and noticed that multiline strings there don’t have a trailing line break, unlike in elixir iex(2)...
#strings
33 13891 10
New

Other popular topics Top

chrismccord
News>Phoenix News

Phoenix 1.4.0 released!
Phoenix 1.4.0 released Phoenix 1.4 is out! This release ships with exciting new features, most notably with HTTP2 support, improved deve...
/phoenix#phoenix-release
688 30048 115
New
lessless
Questions & Help>Questions

How are you dealing with CSV files that uses CR line breaks?
I believe there are people here who are dealing with CSV files import on the daily basis, and since Excel is a really popular tool there ...
#how-to-question
10 18353 17
New
openscript
Questions & Help>Questions

How to set up the Elixir SDK in Intellij IDEA with the intellij-elixir plugin?
Hello! Sorry for this astonishing simple question, but I’m really stuck. I try to set up the intellij-elixir plugin, but I don’t know ho...
17 22671 9
New
ycv005
Questions & Help>Questions

BEAM file compliation error after degrading Erlang version from 22 to 21
I have followed this StackOverflow post to install the specific version of Erlang. And When I am running mix ecto.setup then getting fol...
/phoenix#erlang
33 15699 4
New
fireproofsocks
Questions & Help>Questions

Defining Ecto Schemas (PostGres) to use NOT NULL in column definitions
I’m working on defining a simple Ecto schema for a table (in PostGres), but I don’t see where I can define a column as NOT NULL. Conside...
#ecto
29 14078 4
New
hariharasudhan94
Questions & Help>Questions

What is the best IDE for elixir?
I would like to know what is the best IDE for elixir development?
#code-editors
33 49503 23
New
freewebwithme
Questions & Help>Questions

Failed to run 'elixir' command error in vs code
Using vs code and installed ElixirLS: support and debugger. And I got an error popped up on start up says Failed to run ‘elixir’ comma...
#vscode#elixir-ls
48 15871 39
New
myronmarston
Questions & Help>Questions

Typespecs - best way to spec keyword lists?
The Elixir Typespec docs show the following syntax for keyword lists in typespecs: # ... | [key: type] # keyword lis...
#dialyzer
52 14258 3
New
AstonJ
Chat & Discussions>Wikis

Phoenix LiveView Info
We’ve put together this wiki for Phoenix LiveView - please feel free to add any info you feel is worth including. What is Phoenix LiveV...
/phoenix#wiki#stickies#liveview
220 25307 74
New
vrod
Questions & Help>Questions

Starship (cross-shell prompt) error - (starship::utils): Executing command "elixir" timed out
I am using the Starship cross-shell prompt – it seems pretty nice, but I get some errors: [WARN] - (starship::utils): Executing command ...
#starship
8 17167 3
New
Back to top

Questions & Help>Questions

Questions Questions ❯

Latest on Elixir Forum

Elixir Forum ❯

Sponsor Spotlight

Pragmatic Studio

Courses that'll move you from confusion to "Aha, now I get it!"

Our Sponsors

Dashbit

Build Elixir applications with speed and confidence.

EEF

Supporting innovation across the BEAM ecosystem.

Coders51

We build reliable cloud platforms for business-critical systems.

AppSignal

Catch errors, track performance, monitor hosts and more.

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

WyewWorks

Enabling companies to succeed by building software people love.

Potions

The deployment platform built for Elixir: PaaS ease, VPS control.

Pragmatic Studio

Courses that'll move you from confusion to "Aha, now I get it!"

View all our sponsors ❯

Categories:

Sub Categories:

Forums

Our Sponsors

Dashbit

Build Elixir applications with speed and confidence.

EEF

Supporting innovation across the BEAM ecosystem.

Coders51

We build reliable cloud platforms for business-critical systems.

AppSignal

Catch errors, track performance, monitor hosts and more.

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

WyewWorks

Enabling companies to succeed by building software people love.

Potions

The deployment platform built for Elixir: PaaS ease, VPS control.

Pragmatic Studio

Courses that'll move you from confusion to "Aha, now I get it!"

View all our sponsors ❯

We're in Beta

About us Mission Statement