#constraint

Latest #constraint Threads Top

martasd
Questions & Help>Questions

Check a complex "unique" constraint with Ecto
In my Ecto schema, I have a User who has_many Items. An item has a boolean field active: User module: schema "users" do field :na...
#ecto#postgres#constraint
10 1182 8
New
IvanR
News>Announcing

Domo - model a business domain with type-safe structs and field type range checks
Domo makes your structure types work for data conformance validation. And it enables automatic range checking for field types at run-time...
#library#structs#typespecs#constraint#ddd#type-checking#types#domo
75 5019 26
New
marick
Questions & Help>Questions

Interaction between optimistic logging and changeset errors: `lock_version` is updated in error-return changeset
Later: I have realized this applies to validation errors, not constraints, as I’d originally thought. See footnote [3] I have a changese...
#constraint
3 755 0
New
benonymus
Questions & Help>Questions

Unique_constraint issue
Hey, I am trying to add unique_contrain to my projects, and it is working beautifully with one of my tables that has only one field, but...
#constraint
1 628 3
New
Ryzey
Questions & Help>Questions

Create a unique index as a unique constraint
I have a many_to_many table with a migration that looks like this: def change do create table(:drivers_drivers) do add...
#constraint
6 5632 4
New
carlosarli
Questions & Help>Questions

Constraint error when attempting to delete struct
Hello everyone, I have the following models and changesets for users and addresses: user.ex schema "users" do field :title, :s...
#constraint
3 5020 4
New

This Week's Trending Top

This Month's Trending Top

This Year's Trending Top

Last Three Year's Trending Top

martasd
Questions & Help>Questions

Check a complex "unique" constraint with Ecto
In my Ecto schema, I have a User who has_many Items. An item has a boolean field active: User module: schema "users" do field :na...
#ecto#postgres#constraint
10 1182 8
New

Trending Over Three Years Top

Ryzey
Questions & Help>Questions

Create a unique index as a unique constraint
I have a many_to_many table with a migration that looks like this: def change do create table(:drivers_drivers) do add...
#constraint
6 5632 4
New
carlosarli
Questions & Help>Questions

Constraint error when attempting to delete struct
Hello everyone, I have the following models and changesets for users and addresses: user.ex schema "users" do field :title, :s...
#constraint
3 5020 4
New
IvanR
News>Announcing

Domo - model a business domain with type-safe structs and field type range checks
Domo makes your structure types work for data conformance validation. And it enables automatic range checking for field types at run-time...
#library#structs#typespecs#constraint#ddd#type-checking#types#domo
75 5019 26
New
benonymus
Questions & Help>Questions

Unique_constraint issue
Hey, I am trying to add unique_contrain to my projects, and it is working beautifully with one of my tables that has only one field, but...
#constraint
1 628 3
New
Back to top
  • Follow
  • Join
  • Shape
the conversation
+Thread All Threads

Check a complex "unique" constraint with Ecto
martasd
LostKobrakai
wmnnd
christhekeele
al2o3cr
sodapopcan
8 10

Domo - model a business domain with type-safe structs and field type range checks
IvanR
axelson
paulstatezny
TwistingTwists
dogweather
26 75

Interaction between optimistic logging and changeset errors: `lock_version` is updated in error-return changeset
marick
0 3

Unique_constraint issue
benonymus
OvermindDL1
pedromvieira
3 1

Create a unique index as a unique constraint
Ryzey
josevalim
4 6

Constraint error when attempting to delete struct
carlosarli
kokolegorille
4 3

Latest on Elixir Forum

Elixir Forum ❯

Similar Portals

    None added yet

Get money off!

The Pragmatic Bookshelf

35% off any eBook

Manning Publications

45% off any item

ElixirCasts

10% off for life

The Pragmatic Studio

20% off any course

AppSignal

10% off for 12 months
Mention Elixir Forum when you sign up for 10% off your first year following a 30-day free trial.

Honeybadger

10% off for 12 months

Simply use coupon code "devtalk.com" or "elixirforum" at checkout!

We ❤️ helpful members!

We reward our most helpful members via our MOTM scheme - by giving away a whopping 50 books per year!

Member of the Month

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.

Honeybadger

Error tracking for Elixir devs who love to ship. Start your free account.

Manning

Develop your skills with books, videos, and courses.

ElixirCasts

Producing high quality Elixir screencasts since 2017.

WyewWorks

Enabling companies to succeed by building software people love.

Software Mansion

The team behind Membrane, Popcorn, LiveDebugger. Available for hire.

Pragmatic Studio

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

View all our sponsors ❯

Filter by Type:

Popular Tags

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.

Honeybadger

Error tracking for Elixir devs who love to ship. Start your free account.

Manning

Develop your skills with books, videos, and courses.

ElixirCasts

Producing high quality Elixir screencasts since 2017.

WyewWorks

Enabling companies to succeed by building software people love.

Software Mansion

The team behind Membrane, Popcorn, LiveDebugger. Available for hire.

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