diff --git a/resources/sql/patches/023.dxkeys.sql b/resources/sql/patches/023.dxkeys.sql
new file mode 100644
index 0000000000..a5dd872ae9
--- /dev/null
+++ b/resources/sql/patches/023.dxkeys.sql
@@ -0,0 +1,29 @@
+ALTER TABLE phabricator_differential.differential_changeset
+  ADD KEY (diffID);
+
+ALTER TABLE phabricator_differential.differential_comment
+  ADD KEY (revisionID);
+
+ALTER TABLE phabricator_differential.differential_diff
+  ADD KEY (revisionID);
+
+ALTER TABLE phabricator_differential.differential_inlinecomment
+  ADD KEY (changesetID);
+
+ALTER TABLE phabricator_differential.differential_inlinecomment
+  ADD KEY (commentID);
+
+ALTER TABLE phabricator_differential.differential_hunk
+  ADD KEY (changesetID);
+
+ALTER TABLE phabricator_herald.herald_transcript
+  ADD KEY (objectPHID);
+
+ALTER TABLE phabricator_differential.differential_revision
+  ADD KEY (authorPHID, status);
+
+ALTER TABLE phabricator_differential.differential_revision
+  ADD UNIQUE KEY (phid);
+
+ALTER TABLE phabricator_metamta.metamta_mailinglist
+  ADD UNIQUE KEY (phid);