Panel:
- Mark Ericksen
- Charles Max Wood
Special Guest:
Kamil Lelonek In this episode of Elixir Mix, the panel talks with
Kamil Lelonek who is a full-stack developer and programmer. Chuck, Mark, and Kamil talk about Elixir, Postgrex, databases, and so much more! Check it out! Show Topics: 0:00 –
Advertisement: Get A Coder Job! 0:48 – Chuck: Hello! Our panel today is Mark and myself. Friendly reminder to listeners: check out my show the
DevRev. Our guest today is
Kamil Lelonek! 1:23 – Guest. 1:43 – Chuck: Today, we are talking about databases. 1:55 – Guest. 3:10 – Mark: We have your blog that you wrote in our show notes. Talk about your experience with exploring these features? 3:39 – Chuck. 3:46 – Mark: I didn’t know those features are in Postgrex. Can you talk about your experience and your journey? 4:10 – Guest. 6:17 – Mark: I am curious, what problem were you trying to solve? 6:31 – Guest. 8:12 – Mark: I like you saying: rather than modifying the application code itself, you created a separate application. I think Elixir is a good fit for that – what’s your experience with this? 8:40 – Guest: I agree with this, but let’s think about it in the other way. 9:48 – Mark: Yeah I can see that. It’s good to be aware of the upsides and downsides. It’s an interesting idea. 10:40 – Guest. 11:38 – Chuck: My experience is mostly in Rails. The other way I have solved this problem is “pulling” but this way is more elegant. Before we have talked with Chris McCord about LiveVue. Is there a way to hook this handler up to LiveVue to stream the changes all the way up to the frontend of web application with Phoenix? 12:20 – Guest. 12:55 – Mark talks about Elixir and GenServer. 13:29 – Guest. 13:49 – Mark: Please go and read Kamil’s blog post because it’s simple and it’s written well! Mark: I think Elixir is a great usage for GenServers. 14:28 – Guest. 14:35 – Chuck: You setup a store procedure, which I don’t see a lot of people doing within the communities. How necessary is that store procedure that you’ve created there? 15:00 – Guest. 16:16 – Chuck: What if you want to do targeted notifications? 16:28 – Guest. 17:33 – Mark: I am curious if you have experimented with the practical limitations of this? Like at one point does it start to break down? 18:00 – Guest. 20:00 – Chuck: I will be honest I am kind of lazy. Outside of the general use I don’t go looking for these, but when I hear about them I say: wow! 20:09 – Guest. 20:57 – Chuck. 21:15 – Guest talks about solutions that he’s found. 22:08 –
FreshBooks! 23:17 – Mark: What other kind of databases have you had experience with for comparison reasons? 23:40 – Guest. 24:56 – Mark: You talked about defaults and I want to come back to this topic. 25:08 – Mark asks Chuck a question. 25:12 – Chuck: I don’t know. 25:23 – Mark talks about the databases that his work utilizes. 26:45 – Mark and Chuck go back-and-forth. 27:49 – Guest mentions a solution to the before-mentioned problem that Mark gave. 28:47 – Mark: It can get messy. I don’t repose this as a permanent solution, but it allows you do a staged-migration. 29:15 – Chuck: Do you run into problems with Postgrex? Most technologies if you don’t run into problems you aren’t pushing it enough (at least that’s my experience). 29:29 – Guest answers the question. 30:26 – Mark talks about active, active, active. 31:14 – Guest. 33:25 – Mark: In Elixir, we talk about the things that are in the box and one thing that comes up is “mnesia.” Can you talk about this please? 33:47 – Guest talks about mnesia. 35:17 – Mark talks about mnesia some more. Mark: It is an available option (mnesia), but I don’t know if it’s something that people want when they are looking for something more traditional. 37:04 – Guest. 37:30 – Mark: Yeah something people should be aware of. If you are encountering problems it’s good to know the different tools that are out there and available. 38:42 – Mark: One question: What are some of your favorite features of Postgrex? 38:57 – Guest. 41:08 – Mark talks about Postgrex’s features. 42:14 – Guest. 43:10 – Mark: I had a case where Elixir and Erlang and you can convert term to binary and binary to term. I took some data structure and converted it to a binary and using Ecto and tell it: serialize this and when it loads back out it is a native Elixir type. It’s not always the right solution, but in my cases it actually worked. 43:59 – Guest talks about a library that he wrote back-in-the-day. 44:40 – Chuck: Anything else? Nope? Okay – Picks! 44:52 –
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Special Guest: Kamil Lelonek.
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