remove unused error

bitcask.go

@@ -949,17 +949,17 @@ func Open(path string, funcs ...OptionFunc) (*Bitcask, error) {
 	opt := newDefaultOption()
 	for _, fn := range funcs {
 		if err := fn(opt); err != nil {
-			return nil, err
+			return nil, errors.WithStack(err)
 		}
 	}
 
 	if err := os.MkdirAll(path, opt.DirFileModeBeforeUmask); err != nil {
-		return nil, err
+		return nil, errors.WithStack(err)
 	}
 
 	meta, err := loadMetadata(path)
 	if err != nil {
-		return nil, &ErrBadMetadata{err}
+		return nil, errors.WithStack(err)
 	}
 
 	repliEmitter := createRepliEmitter(opt)

errors.go

@@ -1,74 +1,28 @@
 package bitcaskdb
 
 import (
-	"fmt"
-
 	"github.com/pkg/errors"
 )
 
 var (
 	// ErrKeyNotFound is the error returned when a key is not found
 	ErrKeyNotFound = errors.New("error: key not found")
 
-	// ErrKeyTooLarge is the error returned for a key that exceeds the
-	// maximum allowed key size (configured with WithMaxKeySize).
-	ErrKeyTooLarge = errors.New("error: key too large")
-
 	// ErrKeyExpired is the error returned when a key is queried which has
 	// already expired (due to ttl)
 	ErrKeyExpired = errors.New("error: key expired")
 
 	// ErrEmptyKey is the error returned for a value with an empty key.
 	ErrEmptyKey = errors.New("error: empty key")
 
-	// ErrValueTooLarge is the error returned for a value that exceeds the
-	// maximum allowed value size (configured with WithMaxValueSize).
-	ErrValueTooLarge = errors.New("error: value too large")
-
 	// ErrDatabaseLocked is the error returned if the database is locked
 	// (typically opened by another process)
 	ErrDatabaseLocked = errors.New("error: database locked")
 
 	// ErrInvalidRange is the error returned when the range scan is invalid
 	ErrInvalidRange = errors.New("error: invalid range")
 
-	// ErrInvalidVersion is the error returned when the database version is invalid
-	ErrInvalidVersion = errors.New("error: invalid db version")
-
 	// ErrMergeInProgress is the error returned if merge is called when already a merge
 	// is in progress
 	ErrMergeInProgress = errors.New("error: merge already in progress")
 )
-
-// ErrBadConfig is the error returned on failure to load the database config
-type ErrBadConfig struct {
-	Err error
-}
-
-func (e *ErrBadConfig) Is(target error) bool {
-	if _, ok := target.(*ErrBadConfig); ok {
-		return true
-	}
-	return errors.Is(e.Err, target)
-}
-func (e *ErrBadConfig) Unwrap() error { return e.Err }
-func (e *ErrBadConfig) Error() string {
-	return fmt.Sprintf("error reading config.json: %s", e.Err)
-}
-
-// ErrBadMetadata is the error returned on failure to load the database metadata
-type ErrBadMetadata struct {
-	Err error
-}
-
-func (e *ErrBadMetadata) Is(target error) bool {
-	if _, ok := target.(*ErrBadMetadata); ok {
-		return true
-	}
-	return errors.Is(e.Err, target)
-}
-
-func (e *ErrBadMetadata) Unwrap() error { return e.Err }
-func (e *ErrBadMetadata) Error() string {
-	return fmt.Sprintf("error reading meta.json: %s", e.Err)
-}