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-rw-r--r--activerecord/lib/active_record/statement_cache.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/statement_cache.rb b/activerecord/lib/active_record/statement_cache.rb
index 1877489e55..b03ff9bc6c 100644
--- a/activerecord/lib/active_record/statement_cache.rb
+++ b/activerecord/lib/active_record/statement_cache.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
# Statement cache is used to cache a single statement in order to avoid creating the AST again.
# Initializing the cache is done by passing the statement in the create block: