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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb3
1 files changed, 1 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index b12bac2737..cc057146c7 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -585,8 +585,7 @@ module ActiveRecord
# SHOW VARIABLES LIKE 'name'
def show_variable(name)
- variables = select_all("select @@#{name} as 'Value'", 'SCHEMA')
- variables.first['Value'] unless variables.empty?
+ select_value("SELECT @@#{name}", 'SCHEMA')
rescue ActiveRecord::StatementInvalid
nil
end