Elixir ecto subquery9/12/2023 ![]() ![]() This function receives any data structure that can be converted to a query, via the Ecto. ![]() Most examples will use the keyword-based syntax, the macro one will be explored in later sections. Subqueries in Ecto are created by calling /1. Ecto queries come in two flavors: keyword-based and macro-based. I understand the main problem, but didn't get a solution. Queries are used to retrieve and manipulate data from a repository (see Ecto.Repo ). Ecto - cheatsheet 101 Querying data Running arbitrary SQL queries Getting SQL out of Ecto.Query Calling Postgres functions in where clause Using Subqueries. Using dynamic/2 ends up with expected a field as an atom, a list or keyword list in 'order_by', got: 'dynamic(.)' sort = # comes from requestĮnds up with Unknown column 'w0.favorites_count' in 'order clause' order_by: ^foo(sort),Įnds up with undefined function coalesce/2 (fragment/3) My question now is how to handle this like the first example with dynamic variable. In addition I want to sort on count fields ( favorites_count & downloads_count). favorites_count_query = from(f in Favorite, Code Issues 1 Pull requests 2 Actions Projects Wiki Security Insights New issue id in subquery does not work 3361 Closed AndrewDryga opened this issue on 3 comments Fixed by 3362 Contributor AndrewDryga commented on Elixir version (elixir -v): 1.10.2 Database and version (PostgreSQL 9.4, MongoDB 3.2, etc. Instead, let custom Ecto.Type handle them
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