From f50a951e8e3cf80652ea525b4232833c846507f4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ra=C3=BAl=20Mar=C3=ADn?= <git@rmr.ninja>
Date: Fri, 7 Jun 2024 16:49:07 +0200
Subject: [PATCH] Fix innocuous data race in detectLanguage

---
 contrib/cld2                                        |  2 +-
 tests/queries/0_stateless/03168_cld2_tsan.reference |  2 ++
 tests/queries/0_stateless/03168_cld2_tsan.sql       | 10 ++++++++++
 3 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 tests/queries/0_stateless/03168_cld2_tsan.reference
 create mode 100644 tests/queries/0_stateless/03168_cld2_tsan.sql

diff --git a/contrib/cld2 b/contrib/cld2
index bc6d493a2f6..217ba8b8805 160000
--- a/contrib/cld2
+++ b/contrib/cld2
@@ -1 +1 @@
-Subproject commit bc6d493a2f64ed1fc1c4c4b4294a542a04e04217
+Subproject commit 217ba8b8805b41557faadaa47bb6e99f2242eea3
diff --git a/tests/queries/0_stateless/03168_cld2_tsan.reference b/tests/queries/0_stateless/03168_cld2_tsan.reference
new file mode 100644
index 00000000000..6c3cafd4a6d
--- /dev/null
+++ b/tests/queries/0_stateless/03168_cld2_tsan.reference
@@ -0,0 +1,2 @@
+{'ja':0.62,'fr':0.36}
+{'ja':0.62,'fr':0.36}
diff --git a/tests/queries/0_stateless/03168_cld2_tsan.sql b/tests/queries/0_stateless/03168_cld2_tsan.sql
new file mode 100644
index 00000000000..701a781c472
--- /dev/null
+++ b/tests/queries/0_stateless/03168_cld2_tsan.sql
@@ -0,0 +1,10 @@
+-- Tags: no-fasttest
+-- Tag no-fasttest: depends on cld2
+
+-- https://github.com/ClickHouse/ClickHouse/issues/64931
+SELECT detectLanguageMixed(materialize('二兎を追う者は一兎をも得ず二兎を追う者は一兎をも得ず A vaincre sans peril, on triomphe sans gloire.'))
+GROUP BY
+    GROUPING SETS (
+        ('a', toUInt256(1)),
+        (stringToH3(toFixedString(toFixedString('85283473ffffff', 14), 14))))
+SETTINGS allow_experimental_nlp_functions = 1;