WHERE statement is used to extract the logs that meet the specified conditions.
* | SELECT column (KEY) WHERE column (KEY) operator value
The operator can be
Query logs with status code greater than 400 in the log data:
* | SELECT * WHERE status > 400
Query the number of logs whose request method is GET and client IP is 192.168.10.101 in the log data:
* | SELECT count(*) as count WHERE method='GET' and remote_addr='192.168.10.101'
Count the average size of requests with the URL suffix of .mp4:
* | SELECT round(sum(body_bytes_sent) / count(body_bytes_sent), 2) AS avg_size WHERE url like '%.mp4'