WHERE Syntax

Last updated: 2022-01-20 14:17:31

    The WHERE statement is used to extract the logs that meet the specified conditions.

    Syntax Format

    * | SELECT column (KEY) WHERE column (KEY) operator value
    

    The operator can be =, <>, >, <, >=, <=, BETWEEN, IN, or LIKE.

    Syntax Sample

    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'