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0.2.1
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0.1.0
A toolkit for data mapping and language integrated query for Elixir
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integration_test/cases/windows.exs
defmodule Ecto.Integration.WindowsTest do
use Ecto.Integration.Case, async: Application.get_env(:ecto, :async_integration_tests, true)
alias Ecto.Integration.TestRepo
import Ecto.Query
alias Ecto.Integration.Comment
alias Ecto.Integration.User
test "over" do
u1 = TestRepo.insert!(%User{name: "Tester"})
u2 = TestRepo.insert!(%User{name: "Developer"})
c1 = TestRepo.insert!(%Comment{text: "1", author_id: u1.id})
c2 = TestRepo.insert!(%Comment{text: "2", author_id: u1.id})
c3 = TestRepo.insert!(%Comment{text: "3", author_id: u1.id})
c4 = TestRepo.insert!(%Comment{text: "4", author_id: u2.id})
# Over nothing
query = from(c in Comment, select: [c, count(c.id) |> over()])
assert [[^c1, 4], [^c2, 4], [^c3, 4], [^c4, 4]] = TestRepo.all(query)
# Over partition
query = from(c in Comment, select: [c, count(c.id) |> over(partition_by: c.author_id)])
assert [[^c1, 3], [^c2, 3], [^c3, 3], [^c4, 1]] = TestRepo.all(query)
# Over window
query = from(c in Comment, windows: [w: [partition_by: c.author_id]], select: [c, count(c.id) |> over(:w)])
assert [[^c1, 3], [^c2, 3], [^c3, 3], [^c4, 1]] = TestRepo.all(query)
end
end