From 548c6042d428988d57b8450e2375959b9a01c446 Mon Sep 17 00:00:00 2001
From: Steven Vang <steven.vang@buzzfeed.com>
Date: Wed, 31 Jan 2024 12:26:05 -0600
Subject: [PATCH 1/2] tornado_mysql: catch mysql 8 keyerror 255 exception

---
 tornado_mysql/connections.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tornado_mysql/connections.py b/tornado_mysql/connections.py
index ef7e0b9..daf12b4 100644
--- a/tornado_mysql/connections.py
+++ b/tornado_mysql/connections.py
@@ -981,7 +981,10 @@ def _get_server_information(self):
             lang, stat, cap_h, salt_len = struct.unpack('<BHHB', data[i:i+6])
             i += 6
             self.server_language = lang
-            self.server_charset = charset_by_id(lang).name
+            try:
+                self.server_charset = charset_by_id(lang).name
+            except KeyError:
+                self.server_charset = None
 
             self.server_status = stat
             if DEBUG: print("server_status: %x" % stat)

From 4083c64201ed1c9d0307aa403943fd79752c1415 Mon Sep 17 00:00:00 2001
From: Steven Vang <steven.vang@buzzfeed.com>
Date: Wed, 31 Jan 2024 13:48:27 -0600
Subject: [PATCH 2/2] add missing charsets

---
 tornado_mysql/charset.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tornado_mysql/charset.py b/tornado_mysql/charset.py
index 1cf7d91..ad0930d 100644
--- a/tornado_mysql/charset.py
+++ b/tornado_mysql/charset.py
@@ -249,6 +249,14 @@ def by_name(self, name):
 _charsets.add(Charset(241, 'utf8mb4', 'utf8mb4_esperanto_ci', ''))
 _charsets.add(Charset(242, 'utf8mb4', 'utf8mb4_hungarian_ci', ''))
 _charsets.add(Charset(243, 'utf8mb4', 'utf8mb4_sinhala_ci', ''))
+_charsets.add(Charset(244, 'utf8mb4', 'utf8mb4_german2_ci', ''))
+_charsets.add(Charset(245, 'utf8mb4', 'utf8mb4_croatian_ci', ''))
+_charsets.add(Charset(246, 'utf8mb4', 'utf8mb4_unicode_520_ci', ''))
+_charsets.add(Charset(247, 'utf8mb4', 'utf8mb4_vietnamese_ci', ''))
+_charsets.add(Charset(248, 'gb18030', 'gb18030_chinese_ci', 'Yes'))
+_charsets.add(Charset(249, 'gb18030', 'gb18030_bin', ''))
+_charsets.add(Charset(250, 'gb18030', 'gb18030_unicode_520_ci', ''))
+_charsets.add(Charset(255, 'utf8mb4', 'utf8mb4_0900_ai_ci', ''))
 
 
 charset_by_name = _charsets.by_name