Discuz! info: MySQL Query Error

Time: 2015-4-2 12:21pm
Script: /viewthread.php

SQL: SELECT * FROM [Table]posts AS t1 JOIN (SELECT ROUND(RAND() * ((SELECT MAX(pid) FROM [Table]posts)-(SELECT MIN(pid) FROM [Table]posts))+(SELECT MIN(pid) FROM [Table]posts)) AS pid) AS t2
WHERE t1.pid >= t2.pid AND t1.first = 1 AND t1.authorid='7' AND t1.fid='40' AND tid!='31445' ORDER BY t1.pid LIMIT 20
Error: Out of memory (Needed 1677720 bytes)
Errno.: 5

Similar error report has been dispatched to administrator before.

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