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UPDATE polls_options SET `votes`=`votes`+1, `percent`=ROUND((`votes`+1) / (SELECT voters FROM polls WHERE poll_id=? LIMIT 1) * 100,1)
WHERE option_id=?
AND poll_id=?
Don’t have table data yet, to test it properly. 🙂
And by the way, in what type % integers should be stored in database?
Thanks for the help!
You don’t say what database your using (Postgresql, Mysql, Oracle..etc) but if your using Mysql you could get away with using a TinyInt datatype. Your rounding to an int anyway, and assuming your percentages will always be between 0 and 100 you’ll be fine.