datafoo

CaseClauseError with Elixir 1.10

8

### Environment * Elixir & Erlang/OTP versions (elixir --version): ``` $ elixir --version Erlang/OTP 22 [erts-10.5.5] [source] [64-bit] [smp:6:6] [ds:6:6:10] [async-threads:1] [hipe] Elixir 1.10.2 (compiled with Erlang/OTP 22) ``` *...

[question] Is `consistency: :strong` supposed to rollback events dispatched in case of event handler error?

2

From the [documentation](https://hexdocs.pm/commanded/events.html#consistency-guarantee) (emphasis is mine): > Strong consistency will block the command dispatch and wait for all strongly consistent event handlers to *successfully* process all events created by the...

Allow an event stream to be deleted

4

I am considering using event sourcing to store Personally Identifying Information (PII), specifically user details such as username and display name. However, if I do that, I would like to...

How to unit test process managers?

2

I would like to unit test process managers that produce commands following events. I really liked the approach of [Conduit.AggregateCase](https://github.com/slashdotdash/conduit/blob/master/test/support/aggregate_case.ex) from the [Building Conduit](https://leanpub.com/buildingconduit/read#leanpub-auto-writing-our-first-unit-test) book. It allows to test an...

Which serializer to use when using with both Commanded and jsonb?

6

A note was recently [added](https://github.com/commanded/eventstore/commit/f9442cf8a372101d16d3bf135d9d9b0c599929a4) in the [Getting started](https://github.com/commanded/eventstore/blob/f9442cf8a372101d16d3bf135d9d9b0c599929a4/guides/Getting%20Started.md) guide: > **Note:** To use an EventStore with Commanded you should configure the event store to use Commanded's JSON serializer which...

system.stateVersion differs from default value when not setting explicitely

4

I am using NixOps to deploy a server. Before the first nixops deploy, the server NixOS version was 19.09 and NixOps successfully noticed that: ``` $ nixops --version NixOps 1.7...

Version 1.5 changed [`Absinthe.Relay.Mutation.Notation.Modern.output/1`](https://hexdocs.pm/absinthe_relay/1.4.6/Absinthe.Relay.Mutation.Notation.Modern.html#output/1) to [`Absinthe.Relay.Mutation.Notation.Modern.output/2`](https://hexdocs.pm/absinthe_relay/Absinthe.Relay.Mutation.Notation.Modern.html#output/2). As detailed [here](https://elixirforum.com/t/how-to-extend-the-payload-output-macro-in-absinthe-relay-1-5/34521), I was extending the `output/1` macro to add 2 fields on many of my mutations. However, I cannot since the changes...

Dynamic value enclosing quotes use different characters in some error messages

1

Is this normal that the opening quote character (\`) is different than the closing quote character (') surrounding `#{global_id}` in the following code extract (and some other places in the...

Error with Elixir mix dialyzer when using the library

6

I am trying to use the library in a Elixir project and also use [Dialyxir](https://hexdocs.pm/dialyxir/readme.html). As indicated in the doc, I specified `:systemd.ready()` as: ```elixir # Elixir defmodule MyProject.Application do...