add tests

elixir-ecto · Oct 18, 2024 · dde27f4 · dde27f4
1 parent 9ad0fc8
commit dde27f4
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diff --git a/test/ecto/adapters/myxql_test.exs b/test/ecto/adapters/myxql_test.exs
@@ -416,6 +416,12 @@ defmodule Ecto.Adapters.MyXQLTest do
     assert all(query) == ~s{SELECT coalesce(s0.`x`, 5) FROM `schema` AS s0}
   end
 
+  test "coalesce with subquery" do
+    squery = from s in Schema, select: s.x
+    query = Schema |> select([s], coalesce(subquery(squery), 5)) |> plan()
+    assert all(query) == ~s{SELECT coalesce((SELECT ss0.`x` AS `x` FROM `schema` AS ss0), 5) FROM `schema` AS s0}
+  end
+
   test "where" do
     query = Schema |> where([r], r.x == 42) |> where([r], r.y != 43) |> select([r], r.x) |> plan()
 

diff --git a/test/ecto/adapters/postgres_test.exs b/test/ecto/adapters/postgres_test.exs
@@ -584,6 +584,12 @@ defmodule Ecto.Adapters.PostgresTest do
     assert all(query) == ~s{SELECT coalesce(s0."x", 5) FROM "schema" AS s0}
   end
 
+  test "coalesce with subquery" do
+    squery = from s in Schema, select: s.x
+    query = Schema |> select([s], coalesce(subquery(squery), 5)) |> plan()
+    assert all(query) == ~s{SELECT coalesce((SELECT ss0."x" AS "x" FROM "schema" AS ss0), 5) FROM "schema" AS s0}
+  end
+
   test "where" do
     query = Schema |> where([r], r.x == 42) |> where([r], r.y != 43) |> select([r], r.x) |> plan()