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24 lines
870 B
Go
24 lines
870 B
Go
package models
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import "time"
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type Migration struct {
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Version string `gorm:"primaryKey"`
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ApplyTime time.Time `gorm:"autoCreateTime"`
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// AppCode identifies which app registered this migration. The empty string
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// means the framework itself.
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//
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// NOT NULL DEFAULT '' rather than a nullable column, and the difference is
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// not cosmetic: on a nullable column the rows that already exist when
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// AutoMigrate adds it hold NULL, and the first SELECT scanning one into
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// this string field fails with "converting NULL to string is unsupported".
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// The default is what makes "existing history belongs to the framework"
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// true without a backfill script anyone could forget to run.
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AppCode string `gorm:"type:varchar(64);not null;default:'';index:idx_sys_migration_app_code;comment:AppCode"`
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}
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func (Migration) TableName() string {
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return "sys_migration"
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}
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