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fix: support zeroValue tag on DeletedAt #6011

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Merged
merged 4 commits into from
Feb 1, 2023
Merged

fix: support zeroValue tag on DeletedAt #6011

merged 4 commits into from
Feb 1, 2023

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@qiankunli
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@qiankunli qiankunli commented Jan 31, 2023 •
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type Book struct {
	ID        uint
	Name      string
	Pages     uint
	DeletedAt gorm.DeletedAt `gorm:"zeroValue:'1970-01-01 00:00:01'"`
}

it may be necessary for us to set the type of delete_at datetime. and if delete_at is null, we can not add it into the composite index. so we can use 1970-01-01 00:00:01 (or other values you like)as zero value.

if we query books, gorm can generate the sql automatically

select * from books where delete_at = '1970-01-01 00:00:01'

if we delete books, gorm can generate the sql automatically

update books set  delete_at = 'xx' where delete_at = '1970-01-01 00:00:01'

@qiankunli qiankunli force-pushed the feat/support_zeroValue_tag branch from 51e5e3b to 80e7785 Compare February 1, 2023 03:57
@jinzhu jinzhu merged commit cfbcedb into go-gorm:master Feb 1, 2023
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@jinzhu jinzhu jinzhu approved these changes

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@qiankunli @jinzhu