Subiendo api v2

deps/ecto_sql/integration_test/sql/alter.exs

@@ -0,0 +1,90 @@
+defmodule Ecto.Integration.AlterTest do
+  use Ecto.Integration.Case, async: false
+
+  alias Ecto.Integration.PoolRepo
+
+  defmodule AlterMigrationOne do
+    use Ecto.Migration
+
+    def up do
+      create table(:alter_col_type) do
+        add :value, :integer
+      end
+
+      execute "INSERT INTO alter_col_type (value) VALUES (1)"
+    end
+
+    def down do
+      drop table(:alter_col_type)
+    end
+  end
+
+  defmodule AlterMigrationTwo do
+    use Ecto.Migration
+
+    def up do
+      alter table(:alter_col_type) do
+        modify :value, :numeric
+      end
+    end
+
+    def down do
+      alter table(:alter_col_type) do
+        modify :value, :integer
+      end
+    end
+  end
+
+  import Ecto.Query, only: [from: 1, from: 2]
+
+  defp run(direction, repo, module) do
+    Ecto.Migration.Runner.run(repo, repo.config(), 1, module, :forward, direction, direction, log: false)
+  end
+
+  test "reset cache on returning query after alter column type" do
+    values = from v in "alter_col_type", select: v.value
+
+    assert :ok == run(:up, PoolRepo, AlterMigrationOne)
+    assert PoolRepo.all(values) == [1]
+
+    assert :ok == run(:up, PoolRepo, AlterMigrationTwo)
+    [%Decimal{}] = PoolRepo.all(values)
+
+    PoolRepo.transaction(fn() ->
+      assert [%Decimal{}] = PoolRepo.all(values)
+      assert :ok == run(:down, PoolRepo, AlterMigrationTwo)
+
+      # Optionally fail once with database error when
+      # already prepared on connection (and clear cache)
+      try do
+        PoolRepo.all(values, [mode: :savepoint])
+      rescue
+        _ ->
+          assert PoolRepo.all(values) == [1]
+      else
+        result ->
+          assert result == [1]
+      end
+    end)
+  after
+    assert :ok == run(:down, PoolRepo, AlterMigrationOne)
+  end
+
+  test "reset cache on parameterized query after alter column type" do
+    values = from v in "alter_col_type"
+
+    assert :ok == run(:up, PoolRepo, AlterMigrationOne)
+    assert PoolRepo.update_all(values, [set: [value: 2]]) == {1, nil}
+
+    assert :ok == run(:up, PoolRepo, AlterMigrationTwo)
+    assert PoolRepo.update_all(values, [set: [value: 3]]) == {1, nil}
+
+    PoolRepo.transaction(fn() ->
+      assert PoolRepo.update_all(values, [set: [value: Decimal.new(5)]]) == {1, nil}
+      assert :ok == run(:down, PoolRepo, AlterMigrationTwo)
+      assert PoolRepo.update_all(values, [set: [value: 6]]) == {1, nil}
+    end)
+  after
+    assert :ok == run(:down, PoolRepo, AlterMigrationOne)
+  end
+end