DNS bind-dlz连接数据库问题

Question

在cenos7上安装了bind-9.11, 编译时启用了DLZ，数据库用的mysql-5.7,但是启动的时候一直报错，直接使用zone文件启动就是好的，下面是named.conf的配置和报错信息，请各位看看到底是哪里出错了？

options{
        directory"/opt/bind-9.11/var/named";
        listen-on port 53 { any; };
        allow-query-cache { any; };
        allow-query { any; };
        recursion yes; 
        dnssec-enable yes;
        dnssec-validation yes;

};

logging {
channel query_log {
file "/opt/bind-9.11/var/log/named/query.log" versions 20 size 300m;
severity info;
print-time yes;
print-category yes;
};
channel error_log {
file "/opt/bind-9.11/var/log/named/error.log" versions 3 size 10m;
severity info;
print-time yes;
print-severity yes;
print-category yes;
};
category queries { query_log; };
category default { error_log; };
};

key "rndc-key" {
    algorithm hmac-md5;
    secret "y8pesUMzXhqdGRgO9cdlfg==";
};

controls {
        inet 127.0.0.1 port 953
                allow{ 127.0.0.1; } keys {"rndc-key";};
};

#zone "test.info" IN {
#        type master;
#        file "db.opstar.club";
#        allow-update { none; };
#};

dlz "Mysql zone" {
   database "mysql
   {host=localhost dbname=bind ssl=false port=3306 user=test pass=123.com}
   {select zone from dns_records where zone = '$zone$'}
   {select ttl, type, mx_priority, case when lower(type)='txt' then concat('\"', data, '\"')
        when lower(type) = 'soa' then concat_ws(' ', data, resp_person, serial, refresh, retry, expire, minimum)
        else data end from dns_records where zone = '$zone$' and host = '$record$'}";
};