Bug fix

templates/etc-mysql-mysql-conf-d-mysqld.cnf

@@ -76,7 +76,7 @@ log_error = /var/log/mysql/error.log
 # Here you can see queries with especially long duration
 {% if mysql_debug|default(false) %}
 long_query_time = {{ mysql_debug_long_query_time|default('0.5') }}
-log_queries_not_using_indexes = {{ mysql_debug_missing_index||default('0') }}
+log_queries_not_using_indexes = {{ mysql_debug_missing_index|default('0') }}
 slow_query_log
 slow_query_log_file = /var/log/mysql/slow.log
 {% endif %}