Spider engine does not load in ORACLE mode

[ERROR] SPIDER plugin initialization failed at 'if @win_plugin = 0 then  begin not atomic    declare exit handler for 1041, 1123      replace into mysql.func values        ('spider_direct_sql', 2, 'ha_spider.so', 'function'),        ('spider_bg_direct_sql', 2, 'ha_spider.so', 'aggregate'),        ('spider_ping_table', 2, 'ha_spider.so', 'function'),        ('spider_copy_tables', 2, 'ha_spider.so', 'function'),        ('spider_flush_table_mon_cache', 2, 'ha_spider.so', 'function');    create function if not exists spider_direct_sql returns int      soname 'ha_spider.so';    create aggregate function if not exists spider_bg_direct_sql returns int      soname 'ha_spider.so';    create function if not exists spider_ping_table returns int      soname 'ha_spider.so';    create function if not exists spider_copy_tables returns int      soname 'ha_spider.so';    create function if not exists spider_flush_table_mon_cache returns int      soname 'ha_spider.so';  end;else  begin not atomic    declare exit handler for 1041, 1123      replace into mysql.func values        ('spider_direct_sql', 2, 'ha_spider.dll', 'function'),        ('spider_bg_direct_sql', 2, 'ha_spider.dll', 'aggregate'),        ('spider_ping_table', 2, 'ha_spider.dll', 'function'),        ('spider_copy_tables', 2, 'ha_spider.dll', 'function'),        ('spider_flush_table_mon_cache', 2, 'ha_spider.dll', 'function');    create function if not exists spider_direct_sql returns int      soname 'ha_spider.dll';    create aggregate function if not exists spider_bg_direct_sql returns int      soname 'ha_spider.dll';    create function if not exists spider_ping_table returns int      soname 'ha_spider.dll';    create function if not exists spider_copy_tables returns int      soname 'ha_spider.dll';    create function if not exists spider_flush_table_mon_cache returns int      soname 'ha_spider.dll';  end;end if;' by 'You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'create function if not exists spider_direct_sql returns int      soname 'ha_s...' at line 1'