(select (case When (2593=6942) Then 2593 Else 2593*(select 2593 - From Information_schema.character_sets) End))

Since that is false, it attempts to execute 2593 * (SELECT 2593 FROM INFORMATION_SCHEMA.CHARACTER_SETS) .

This is often used in blind SQL injection to test if a database is vulnerable. By forcing the database to multiply a value by every row in a standard table like INFORMATION_SCHEMA , an attacker can cause a "Time Delay" or a "Heavy Query" to confirm the injection point exists. Security Implications Since that is false, it attempts to execute

Never trust user-supplied data to build raw SQL strings. This appears to be an designed to perform

Someone is probing your system for vulnerabilities. sql_params in Python

Ensure your application uses prepared statements (PDO in PHP, sql_params in Python, etc.) so that input like this is treated as literal text rather than executable code.

This appears to be an designed to perform a mathematical operation based on a conditional statement. Specifically, the query breaks down as follows: The Logic: It checks if 2593 equals 6942 .

If you are seeing this in your web server logs or as an input in your application: