don't export some error

ledis/const.go

@@ -28,6 +28,14 @@ const (
 	defaultScanCount int = 10
 )
 
+var (
+	errKeySize        = errors.New("invalid key size")
+	errValueSize      = errors.New("invalid value size")
+	errHashFieldSize  = errors.New("invalid hash field size")
+	errZSetMemberSize = errors.New("invalid zset member size")
+	errExpireValue    = errors.New("invalid expire value")
+)
+
 const (
 	//we don't support too many databases
 	MaxDBNumber uint8 = 16
@@ -46,12 +54,7 @@ const (
 )
 
 var (
-	ErrKeySize        = errors.New("invalid key size")
-	ErrValueSize      = errors.New("invalid value size")
-	ErrHashFieldSize  = errors.New("invalid hash field size")
-	ErrZSetMemberSize = errors.New("invalid zset member size")
-	ErrExpireValue    = errors.New("invalid expire value")
-	ErrScoreMiss      = errors.New("zset score miss")
+	ErrScoreMiss = errors.New("zset score miss")
 )
 
 const (

ledis/replication.go

@@ -130,3 +130,7 @@ func (l *Ledis) RepliateRelayLog(relayLog string, offset int64) (int64, error) {
 	log.Error("can not go here")
 	return offset, nil
 }
+
+func (l *Ledis) WriteRelayLog(data []byte) error {
+	return nil
+}

ledis/t_hash.go

@@ -21,9 +21,9 @@ const (
 
 func checkHashKFSize(key []byte, field []byte) error {
 	if len(key) > MaxKeySize || len(key) == 0 {
-		return ErrKeySize
+		return errKeySize
 	} else if len(field) > MaxHashFieldSize || len(field) == 0 {
-		return ErrHashFieldSize
+		return errHashFieldSize
 	}
 	return nil
 }

ledis/t_kv.go

@@ -15,14 +15,14 @@ var errKVKey = errors.New("invalid encode kv key")
 
 func checkKeySize(key []byte) error {
 	if len(key) > MaxKeySize || len(key) == 0 {
-		return ErrKeySize
+		return errKeySize
 	}
 	return nil
 }
 
 func checkValueSize(value []byte) error {
 	if len(value) > MaxValueSize {
-		return ErrValueSize
+		return errValueSize
 	}
 
 	return nil
@@ -360,7 +360,7 @@ func (db *DB) Scan(key []byte, count int, inclusive bool) ([]KVPair, error) {
 
 func (db *DB) Expire(key []byte, duration int64) (int64, error) {
 	if duration <= 0 {
-		return 0, ErrExpireValue
+		return 0, errExpireValue
 	}
 
 	t := db.kvTx
@@ -381,7 +381,7 @@ func (db *DB) Expire(key []byte, duration int64) (int64, error) {
 
 func (db *DB) ExpireAt(key []byte, when int64) (int64, error) {
 	if when <= time.Now().Unix() {
-		return 0, ErrExpireValue
+		return 0, errExpireValue
 	}
 
 	t := db.kvTx

ledis/t_zset.go

@@ -34,9 +34,9 @@ const (
 
 func checkZSetKMSize(key []byte, member []byte) error {
 	if len(key) > MaxKeySize || len(key) == 0 {
-		return ErrKeySize
+		return errKeySize
 	} else if len(member) > MaxZSetMemberSize || len(member) == 0 {
-		return ErrZSetMemberSize
+		return errZSetMemberSize
 	}
 	return nil
 }
@@ -484,7 +484,7 @@ func (db *DB) zIterator(key []byte, min int64, max int64, offset int, limit int,
 
 func (db *DB) zRemRange(key []byte, min int64, max int64, offset int, limit int) (int64, error) {
 	if len(key) > MaxKeySize {
-		return 0, ErrKeySize
+		return 0, errKeySize
 	}
 
 	t := db.zsetTx
@@ -537,7 +537,7 @@ func (db *DB) zReverse(s []interface{}, withScores bool) []interface{} {
 
 func (db *DB) zRange(key []byte, min int64, max int64, withScores bool, offset int, limit int, reverse bool) ([]interface{}, error) {
 	if len(key) > MaxKeySize {
-		return nil, ErrKeySize
+		return nil, errKeySize
 	}
 
 	if offset < 0 {