better named tuples support

test/ecto/integration/schema_test.exs

@@ -0,0 +1,54 @@
+defmodule Ecto.Integration.SchemaTest do
+  use Ecto.Integration.Case
+  import Ecto.Query, only: [from: 2]
+  alias Ecto.Integration.TestRepo
+
+  setup do
+    TestRepo.query!("""
+    create table schema_test (
+      id UInt64,
+      array_tuple_dynamic Array(Tuple(a LowCardinality(String), b LowCardinality(String), c LowCardinality(String), d Dynamic))
+    ) ENGINE = MergeTree ORDER BY tuple()
+    """)
+
+    on_exit(fn -> TestRepo.query!("drop table schema_test") end)
+  end
+
+  defmodule Schema do
+    use Ecto.Schema
+
+    @primary_key false
+    schema "schema_test" do
+      field :id, Ch, type: "UInt64"
+
+      # TODO preserve names in named tuples
+      field :array_tuple_dynamic, {:array, Ch},
+        type:
+          "Tuple(LowCardinality(String), LowCardinality(String), LowCardinality(String), Dynamic)"
+    end
+  end
+
+  describe "insert_all/3" do
+    @tag :dynamic
+    test "with array of tuples containing dynamic type" do
+      TestRepo.insert_all(
+        Schema,
+        [
+          %{id: 1, array_tuple_dynamic: [{"a1", "b1", "c1", "d1"}]},
+          %{id: 2, array_tuple_dynamic: []}
+        ],
+        # TODO remove this workaround when Ch preserves names in named tuples
+        settings: [input_format_with_types_use_header: 0]
+      )
+
+      assert TestRepo.all(
+               from s in Schema,
+                 select: map(s, [:id, :array_tuple_dynamic]),
+                 order_by: s.id
+             ) == [
+               %{id: 1, array_tuple_dynamic: [{"a1", "b1", "c1", "d1"}]},
+               %{id: 2, array_tuple_dynamic: []}
+             ]
+    end
+  end
+end

test/test_helper.exs

@@ -46,8 +46,8 @@ exclude =
   if ch_version >= "25" do
     []
   else
-    # Time type is not supported in older ClickHouse versions we have in the CI
-    [:time]
+    # Time and Dynamic types are not supported in older ClickHouse versions we have in the CI
+    [:time, :dynamic]
   end
 
 ExUnit.start(exclude: exclude)