Add formatter config

.formatter.exs

@@ -0,0 +1,4 @@
+# Used by "mix format"
+[
+  inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]
+]

.github/workflows/ci.yml

@@ -164,3 +164,24 @@ jobs:
         run: |
           sleep 4 # wait pg
           mix test --include distribution
+
+  format:
+    name: mix formatt (Elixir ${{matrix.pair.elixir}} | Erlang/OTP ${{matrix.pair.otp}})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - pair:
+              elixir: 1.18
+              otp: 27
+    steps:
+      - uses: actions/checkout@v4
+      - uses: erlef/setup-beam@v1
+        env:
+          ACTIONS_ALLOW_UNSECURE_COMMANDS: true
+        with:
+          otp-version: ${{matrix.pair.otp}}
+          elixir-version: ${{matrix.pair.elixir}}
+      - name: Check formatting
+        run: mix format --check-formatted

lib/ecto_psql_extras/detect_fk_column.ex

@@ -1,21 +1,22 @@
 defmodule EctoPSQLExtras.DetectFkColumn do
-  defp plural_rules, do: [
-    {~r/s$/i, "s"},
-    {~r/^(ax|test)is$/i, "\\1es"},
-    {~r/(octop|vir)us$/i, "\\1i"},
-    {~r/(alias|status)$/i, "\\1es"},
-    {~r/(bu)s$/i, "\\1ses"},
-    {~r/(buffal|tomat)o$/i, "\\1oes"},
-    {~r/([ti])um$/i, "\\1a"},
-    {~r/sis$/i, "ses"},
-    {~r/(?:([^f])fe|([lr])f)$/i, "\\1\\2ves"},
-    {~r/([^aeiouy]|qu)y$/i, "\\1ies"},
-    {~r/(x|ch|ss|sh)$/i, "\\1es"},
-    {~r/(matr|vert|ind)(?:ix|ex)$/i, "\\1ices"},
-    {~r/^(m|l)ouse$/i, "\\1ice"},
-    {~r/^(ox)$/i, "\\1en"},
-    {~r/(quiz)$/i, "\\1zes"}
-  ]
+  defp plural_rules,
+    do: [
+      {~r/s$/i, "s"},
+      {~r/^(ax|test)is$/i, "\\1es"},
+      {~r/(octop|vir)us$/i, "\\1i"},
+      {~r/(alias|status)$/i, "\\1es"},
+      {~r/(bu)s$/i, "\\1ses"},
+      {~r/(buffal|tomat)o$/i, "\\1oes"},
+      {~r/([ti])um$/i, "\\1a"},
+      {~r/sis$/i, "ses"},
+      {~r/(?:([^f])fe|([lr])f)$/i, "\\1\\2ves"},
+      {~r/([^aeiouy]|qu)y$/i, "\\1ies"},
+      {~r/(x|ch|ss|sh)$/i, "\\1es"},
+      {~r/(matr|vert|ind)(?:ix|ex)$/i, "\\1ices"},
+      {~r/^(m|l)ouse$/i, "\\1ice"},
+      {~r/^(ox)$/i, "\\1en"},
+      {~r/(quiz)$/i, "\\1zes"}
+    ]
 
   @irregular %{
     "person" => "people",

lib/queries/calls.ex

@@ -30,6 +30,7 @@ defmodule EctoPSQLExtras.Calls do
     AND query NOT LIKE '/* ECTO_PSQL_EXTRAS:%'
     ORDER BY calls DESC
     LIMIT <%= limit %>;
-    """ |> EEx.eval_string(args)
+    """
+    |> EEx.eval_string(args)
   end
 end

lib/queries/calls_legacy.ex

@@ -29,6 +29,7 @@ defmodule EctoPSQLExtras.CallsLegacy do
     AND query NOT LIKE '/* ECTO_PSQL_EXTRAS:%'
     ORDER BY calls DESC
     LIMIT <%= limit %>;
-    """ |> EEx.eval_string(args)
+    """
+    |> EEx.eval_string(args)
   end
 end

lib/queries/db_settings.ex

@@ -28,4 +28,3 @@ defmodule EctoPSQLExtras.DbSettings do
     """
   end
 end
-

lib/queries/duplicate_indexes.ex

@@ -3,7 +3,8 @@ defmodule EctoPSQLExtras.DuplicateIndexes do
 
   def info do
     %{
-      title: "Multiple indexes that have the same set of columns, same opclass, expression and predicate.",
+      title:
+        "Multiple indexes that have the same set of columns, same opclass, expression and predicate.",
       index: 7,
       columns: [
         %{name: :size, type: :string},
@@ -28,6 +29,7 @@ defmodule EctoPSQLExtras.DuplicateIndexes do
       FROM pg_index) sub
     GROUP BY key HAVING count(*)>1
     ORDER BY sum(pg_relation_size(idx)) DESC;
-    """ |> EEx.eval_string(args)
+    """
+    |> EEx.eval_string(args)
   end
 end

lib/queries/long_running_queries.ex

@@ -31,6 +31,7 @@ defmodule EctoPSQLExtras.LongRunningQueries do
       AND now() - pg_stat_activity.query_start > interval '<%= threshold %>'
     ORDER BY
       now() - pg_stat_activity.query_start DESC;
-    """ |> EEx.eval_string(args)
+    """
+    |> EEx.eval_string(args)
   end
 end

lib/queries/null_indexes.ex

@@ -53,7 +53,7 @@ defmodule EctoPSQLExtras.NullIndexes do
         AND pg_relation_size(c.oid) > <%= min_relation_size_mb %> * 1024 ^ 2
     ORDER BY
       pg_relation_size(c.oid) * s.null_frac DESC;
-    """ |> EEx.eval_string(args)
+    """
+    |> EEx.eval_string(args)
   end
 end
-

lib/queries/outliers.ex

@@ -30,6 +30,7 @@ defmodule EctoPSQLExtras.Outliers do
     AND query NOT LIKE '/* ECTO_PSQL_EXTRAS:%'
     ORDER BY total_exec_time DESC
     LIMIT <%= limit %>;
-    """ |> EEx.eval_string(args)
+    """
+    |> EEx.eval_string(args)
   end
 end

lib/queries/outliers_legacy.ex

@@ -30,6 +30,7 @@ defmodule EctoPSQLExtras.OutliersLegacy do
     AND query NOT LIKE '/* ECTO_PSQL_EXTRAS:%'
     ORDER BY total_time DESC
     LIMIT <%= limit %>;
-    """ |> EEx.eval_string(args)
+    """
+    |> EEx.eval_string(args)
   end
 end

lib/queries/unused_indexes.ex

@@ -35,6 +35,7 @@ defmodule EctoPSQLExtras.UnusedIndexes do
     WHERE NOT indisunique AND idx_scan < <%= min_scans %> AND pg_relation_size(relid) > 5 * 8192
     ORDER BY pg_relation_size(i.indexrelid) / nullif(idx_scan, 0) DESC NULLS FIRST,
     pg_relation_size(i.indexrelid) DESC;
-    """ |> EEx.eval_string(args)
+    """
+    |> EEx.eval_string(args)
   end
 end

test/test_helper.exs

@@ -1,8 +1,8 @@
-Code.require_file "support/test_repo.exs", __DIR__
+Code.require_file("support/test_repo.exs", __DIR__)
 
 Application.put_env(:ecto_psql_extras, :node_name, Node.self())
 
-Application.put_env(:dummy_app, Dummy.Repo, [url: EctoPSQLExtras.TestRepo.database_url()])
+Application.put_env(:dummy_app, Dummy.Repo, url: EctoPSQLExtras.TestRepo.database_url())
 
 ExUnit.configure(exclude: :distribution)
 ExUnit.start()