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thanos/select_merge_example.ex

Created October 13, 2024 17:05
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A select merge example for populating a virtual field
Raw
select_merge_example.ex
defmodule Answer do
use Ecto.Schema
schema "answer" do
field :word, :string
field :length, :integer, virtual: true
end
end
Repo.insert(%Answer{word: "SWANS"})
Repo.one(
from answer in Answer,
select_merge: %{length: fragment("length(word)")}
)
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