Create a sparse unique index on User.email
Create a sparse unique index on User.email

Enforce non-None emails to be unique

duaayousif/rmc,ccqi/rmc,ccqi/rmc,shakilkanji/rmc,rageandqq/rmc,shakilkanji/rmc,JGulbronson/rmc,sachdevs/rmc,sachdevs/rmc,rageandqq/rmc,shakilkanji/rmc,rageandqq/rmc,rageandqq/rmc,sachdevs/rmc,JGulbronson/rmc,shakilkanji/rmc,sachdevs/rmc,JGulbronson/rmc,MichalKononenko/rmc,MichalKononenko/rmc,UWFlow/rmc,UWFlow/rmc,UWFlow/rmc,MichalKononenko/rmc,duaayousif/rmc,ccqi/rmc,ccqi/rmc,sachdevs/rmc,shakilkanji/rmc,ccqi/rmc,JGulbronson/rmc,UWFlow/rmc,JGulbronson/rmc,rageandqq/rmc,UWFlow/rmc,duaayousif/rmc,duaayousif/rmc,duaayousif/rmc,MichalKononenko/rmc,MichalKononenko/rmc