็จDjango่ชๅธฆMySQL ORMๆไฝๅค้ฎๅ็ๆญฃ็กฎไฟฎๆนๆนๅผ must unique because it is referenced by forei-CSDNๅๅฎข
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่ฏป 2ๆก่ฏ่ฎบ ๅ่กจๆถ้ด๏ผ2020ๅนด1ๆ19ๆฅ
ๅฏไปฅ็ๅฐๅจๅญ่กจ(ๆๅค้ฎ็่กจ)ไธญ,ๅค้ฎcontact_email็ๆไบไธไธช่ฎพ็ฝฎๅญๆฎต,'InfoUser'่กจ็คบๅ็
ง็่กจ, model.DO_NOTHINGๆฏๆๅ
ฅๆถ็ๅจไฝ(ๆ่ง่ฟไธชๅญๆฎตๆฏไธชbug,ๆไปฌไธไผ่ฆ็จ็บง่ๆฅๆฟไปฃๅฎ), db_column='contact_email'่กจไธญๅๅใ ๅจไธป่กจไธญ,contact_emailๅชๆไธไธชๆๅคง้ฟๅบฆๅญๆฎตใ ๅจๆๅ
ฅไนๅๆไปฌ้ๅฐไบไปฅไธ็ๆฅ้: ๆจๆตๅๅ ๆฏinspectdbๆไปค็ๆ็...
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