这个 SQL 语句使用了正则表达式和 regexp_replace 函数来对 client_ip 进行处理,并统计处理后的 IP 地址出现的次数。具体解释如下:
SQL 语句结构
select regexp_replace(client_ip, ^((\d?\.){3})\d$, $10/24) as ips, count(1) as num
from table_…
pdf 预览报:
Failed to load module script: Expected a JavaScript module script but the server responded with a MIME type of “application/octet-stream”. Strict MIME type checking is enforced for module scripts per HTML spec. 报错原因:…