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goose
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main
provider_errors.go
48 строк
2 KB
Rollulus Rouloul
feat: Add Unwrap to PartialError (#815)
26 авг 2024, 18:01
Не верифицирован
26 авг 2024, 18:01
0ad04fe
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package goose import ( "errors" "fmt" ) var ( // ErrVersionNotFound is returned when a specific migration version is not located. This can // occur if a .sql file or a Go migration function for the specified version is missing. ErrVersionNotFound = errors.New("version not found") // ErrNoMigrations is returned by [NewProvider] when no migrations are found. ErrNoMigrations = errors.New("no migrations found") // ErrAlreadyApplied indicates that the migration cannot be applied because it has already been // executed. This error is returned by [Provider.Apply]. ErrAlreadyApplied = errors.New("migration already applied") // ErrNotApplied indicates that the rollback cannot be performed because the migration has not // yet been applied. This error is returned by [Provider.Apply]. ErrNotApplied = errors.New("migration not applied") // errInvalidVersion is returned when a migration version is invalid. errInvalidVersion = errors.New("version must be greater than 0") ) // PartialError is returned when a migration fails, but some migrations already got applied. type PartialError struct { // Applied are migrations that were applied successfully before the error occurred. May be // empty. Applied []*MigrationResult // Failed contains the result of the migration that failed. Cannot be nil. Failed *MigrationResult // Err is the error that occurred while running the migration and caused the failure. Err error } func (e *PartialError) Error() string { return fmt.Sprintf( "partial migration error (type:%s,version:%d): %v", e.Failed.Source.Type, e.Failed.Source.Version, e.Err, ) } func (e *PartialError) Unwrap() error { return e.Err }