From 475ce4b6a9ad370affcb16679da4d90a9dcc2df4 Mon Sep 17 00:00:00 2001
From: Adrianna Chang <adrianna.chang@shopify.com>
Date: Fri, 27 Oct 2023 08:43:30 -0400
Subject: [PATCH] Fix regex in Mysql2 adapter

---
 lib/semian/mysql2.rb | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/lib/semian/mysql2.rb b/lib/semian/mysql2.rb
index 31d41045..e26ebd85 100644
--- a/lib/semian/mysql2.rb
+++ b/lib/semian/mysql2.rb
@@ -37,11 +37,7 @@ module Mysql2
     DEFAULT_HOST = "localhost"
     DEFAULT_PORT = 3306
 
-    QUERY_WHITELIST = Regexp.union(
-      %r{\A(?:/\*.*?\*/)?\s*ROLLBACK}i,
-      %r{\A(?:/\*.*?\*/)?\s*COMMIT}i,
-      %r{\A(?:/\*.*?\*/)?\s*RELEASE\s+SAVEPOINT}i,
-    )
+    QUERY_ALLOWLIST = %r{\A(?:/\*.*?\*/)?\s*(ROLLBACK|COMMIT|RELEASE\s+SAVEPOINT)}i
 
     class << self
       # The naked methods are exposed as `raw_query` and `raw_connect` for instrumentation purpose
@@ -114,7 +110,7 @@ def resource_exceptions
     end
 
     def query_whitelisted?(sql, *)
-      QUERY_WHITELIST =~ sql
+      QUERY_ALLOWLIST =~ sql
     rescue ArgumentError
       # The above regexp match can fail if the input SQL string contains binary
       # data that is not recognized as a valid encoding, in which case we just