Latest #transactions Threads 
Background
I am studying the Transaction Script pattern, namely from a book called “Learning Domain Driven Design”.
For those of you u...
New
I have a “smart” put function that takes care of saving (creating or updating) a resource and all its sub resources automatically. It wor...
New
I am trying to code a bank transfer service using Elixir/Erlang, Postgrex and PostgreSQL.
Erlang v 26
Elixir v 1.16.0
Postgrex v 0.17....
New
Hello,
I am looking to more closely understand the advantages of the Repo.transact pattern and the quoted disadvantages of Ecto.Multi.
...
New
Hi guys,
I would like to know if anybody could help me.
I have a genserver that calls a TaskSupervisor to start tasks like this:
task...
New
Hi everyone. When running Ecto.insert_all([list_of_maps]) will ecto send one request to DB, or one insert request per map in the list? L...
New
Background
PS: the following situation describes an hypothetical scenario, where I own a company that sells things to customers.
I have ...
New
Hi everyone, it seems I can’t get out of this forum this week :sweat_smile: (you guys are awesome btw).
So, I got surprised by this beha...
New
I just wanted to share with you a small macro that has cleaned up many many lines of code for me.
Basically in my contexts I had this ki...
New
I’m in a situation where I have to insert 9000 registries in bulk into the database with Ecto in PostgreSQL.
I already have a dedicated ...
New
This Week's Trending
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This Year's Trending
I have a situation similar to create and insert 2 associated models.
In my case User has_many Others and Others belongs_to User.
I want...
New
Background
I am studying the Transaction Script pattern, namely from a book called “Learning Domain Driven Design”.
For those of you u...
New
Last Three Year's Trending
Hello,
I am looking to more closely understand the advantages of the Repo.transact pattern and the quoted disadvantages of Ecto.Multi.
...
New
Hi everyone, it seems I can’t get out of this forum this week :sweat_smile: (you guys are awesome btw).
So, I got surprised by this beha...
New
I am trying to code a bank transfer service using Elixir/Erlang, Postgrex and PostgreSQL.
Erlang v 26
Elixir v 1.16.0
Postgrex v 0.17....
New
I have a “smart” put function that takes care of saving (creating or updating) a resource and all its sub resources automatically. It wor...
New
Trending Over Three Years
Hello everyone, when I run my unit test, I sometimes (not all the time) run into this error:
(Postgrex.Error) ERROR 40P01 (deadlock_det...
New
Background
PS: the following situation describes an hypothetical scenario, where I own a company that sells things to customers.
I have ...
New
I’m in a situation where I have to insert 9000 registries in bulk into the database with Ecto in PostgreSQL.
I already have a dedicated ...
New
I have to convert the following code using Repo.insert/2
def create_question(attrs) do
%Question{}
|> Question.creation_changeset...
New
I would like to ask for a “best practice” suggestion on how to wrap a user registration process in a transaction that will either:
stor...
New
Good Morning,
Could help me improve the code and apply a “transaction”, if one goes wrong …
I have never worked with “transaction”, so...
New
I just wanted to share with you a small macro that has cleaned up many many lines of code for me.
Basically in my contexts I had this ki...
New
Hello,
Sometimes in my system, I want to change something in the database and also do some other side-effect, for example, filling a cac...
New
I have a multi exactly below
%Ecto.Multi{
names: #MapSet<[:record_0]>,
operations: [
record_0: {:changeset,
#Ecto.Cha...
New
Hi everyone. When running Ecto.insert_all([list_of_maps]) will ecto send one request to DB, or one insert request per map in the list? L...
New
Hello,
I realize this is a DB question, but it involves Ecto and Postgrex so I thought I’d post here.
Suppose I have a multi with many ...
New
Hi everybody,
I have 2 entities: parent and child.
The parent entity have a life cycle so it transits from one status to another a.k.a ...
New
Hi guys,
I would like to know if anybody could help me.
I have a genserver that calls a TaskSupervisor to start tasks like this:
task...
New
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