39 lines
829 B
Go
39 lines
829 B
Go
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package migrate
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import (
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"fmt"
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"github.com/jinzhu/gorm"
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)
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// Run automatically migrates the schema of the database passed as argument.
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func Run(db *gorm.DB, opt Options) (err error) {
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if db == nil {
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return fmt.Errorf("migrate: no database connection")
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}
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// Get SQL dialect name.
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name := db.Dialect().GetName()
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if name == "" {
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return fmt.Errorf("migrate: failed to determine sql dialect")
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}
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// Make sure a "migrations" table exists.
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once[name].Do(func() {
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err = db.AutoMigrate(&Migration{}).Error
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})
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if err != nil {
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return fmt.Errorf("migrate: %s (create migrations table)", err)
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}
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// Run migrations for dialect.
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if migrations, ok := Dialects[name]; ok && len(migrations) > 0 {
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migrations.Start(db, opt)
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return nil
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} else {
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return fmt.Errorf("migrate: no migrations found for %s", name)
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}
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}
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