How discuzX3.4 invokes different classified topic lists

A list of topics that want to call typeid="18,26,36,46".
how does DB::query write it? Do not know much about the database, try to be more detailed, thank you

Mysql php discuz
Jan.10,2022

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b33108-2b3af.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b33108-2b3af.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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