regdude Posted July 4, 2008 Share Posted July 4, 2008 Hi! I can't figure out how to make a script (in mysql) that will select from a table the largest ID that has visible=1 and the limit is for example 3. The idea is that the script will tell PHP wich will be the next ID. This is what i made for now(doesn't work): SELECT * FROM table WHERE visible="1" ORDER BY id LIMIT 3; This could be the table: id....visible 1.....0 2.....1 3.....1 4.....0 5.....1 6.....0 7.....1 ........ The next ID would be 7, but how could i select that? The LIMIT is changing everytime! So if the LIMIT would be 2 - the next ID would be 5. Link to comment https://forums.phpfreaks.com/topic/113212-solved-selecting-the-last-biggest/ Share on other sites More sharing options...
allenskd Posted July 4, 2008 Share Posted July 4, 2008 Try this one SELECT * FROM table WHERE visible="1" ORDER BY id DESC LIMIT 3; Will display descending the ids Link to comment https://forums.phpfreaks.com/topic/113212-solved-selecting-the-last-biggest/#findComment-581626 Share on other sites More sharing options...
regdude Posted July 4, 2008 Author Share Posted July 4, 2008 Yeah, i know that, but i want the biggest ID - one number. I further need it for use. $biggestID = ...; Link to comment https://forums.phpfreaks.com/topic/113212-solved-selecting-the-last-biggest/#findComment-581628 Share on other sites More sharing options...
allenskd Posted July 4, 2008 Share Posted July 4, 2008 Well, I don't know how well this is going to scale but SELECT MAX(id), visible FROM table WHERE visible="1" ORDER BY id LIMIT 3; Give that a try Link to comment https://forums.phpfreaks.com/topic/113212-solved-selecting-the-last-biggest/#findComment-581637 Share on other sites More sharing options...
regdude Posted July 4, 2008 Author Share Posted July 4, 2008 Ok, thanks! Link to comment https://forums.phpfreaks.com/topic/113212-solved-selecting-the-last-biggest/#findComment-581641 Share on other sites More sharing options...
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