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I am writting plugin where i have custom table. I am trying to access one random row from last 5 rows from this custom table.

"SELECT * FROM $table_name WHERE id > MAX(id)-5 AND id < MAX(id)+1 ORDER BY `time` DESC LIMIT 1"; 

but does not work. Any solution ?

UPDATE problem sorted as;

$ofset = rand(0, 4);
 $read_link_data = "SELECT * FROM $table_name ORDER BY `time` DESC LIMIT $ofset,1";

it works but i suspect is not optimal

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"SELECT column FROM table ORDER BY RAND() LIMIT 1 " or you can add more restrictions to fetch from last 5 by time. Hope it help you a bit

  • thanks. i had mistake. now is corrected but still does not work. i need to find the max id number and then create range from which single row will be selected. any clue what is wrong? – Greg Skala Apr 8 '17 at 9:42
  • What you are getting when you run sql – inrsaurabh Apr 8 '17 at 9:51

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