How does django admin save the current user to model when adding articles?

how does django admin save the current user to model when adding articles?
I want to use django to build a blog system with multiple users.
I added a foreign key User, to Article but I don"t know how to save the current user to the database when saving the article.

Mar.06,2021
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-64f5-1e9d1fa-1934.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e9d1fa-1934.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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