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Add an association with a composite primary key #324

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Add an association with a composite primary key #324

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6c16d52
Add associations with composite primary keys
soundmonster May 18, 2021
006d5f0
Change for readability; allow testing has_one w/composite PKs
Nov 17, 2021
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22 changes: 22 additions & 0 deletions integration_test/support/migration.exs
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,8 @@ defmodule Ecto.Integration.Migration do
add :intensity, :float
add :author_id, :integer
add :posted, :date
add :composite_a, :integer
add :composite_b, :integer
timestamps(null: true)
end

Expand Down Expand Up @@ -113,6 +115,26 @@ defmodule Ecto.Integration.Migration do
add :name, :string
end

create table(:composite_pk_composite_pk, primary_key: false) do
add :a_1, references(:composite_pk, column: :a, with: [b_1: :b], type: :integer)
add :b_1, :integer
add :a_2, references(:composite_pk, column: :a, with: [b_2: :b], type: :integer)
add :b_2, :integer
end


alter table(:posts) do
modify :composite_a, references(:composite_pk, column: :a, with: [composite_b: :b], type: :integer)
end

create table(:one_to_one_composite_pk) do
add :composite_a, references(:composite_pk, column: :a, with: [composite_b: :b], type: :integer)
add :composite_b, :integer
timestamps()
end

create unique_index(:one_to_one_composite_pk, [:composite_a, :composite_b])

create table(:corrupted_pk, primary_key: false) do
add :a, :string
end
Expand Down