How to expand the iview table expand column by default

which iview iview table expand column is expanded by default or what method can be manually controlled to expand and merge

Mar.28,2021

set _ expanded to true, for row data data to expand the current row by default, and set _ disableExpand to disable the expansion function of the current row. For more information, please see https://www.iviewui.com/compo.

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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-64f5-1b3aa27-2c226.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3aa27-2c226.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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