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must clear key before restore

This commit is contained in:
siddontang 2014-11-30 22:38:56 +08:00
parent e43d2ea086
commit 0ee6860979
1 changed files with 24 additions and 0 deletions
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24
ledis/migrate.go
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@ -97,6 +97,10 @@ func (db *DB) Restore(key []byte, ttl int64, data []byte) error {
switch value := d.(type) {
case rdb.String:
if _, err = db.Del(key); err != nil {
return err
}
if err = db.Set(key, value); err != nil {
return err
}
@ -107,6 +111,11 @@ func (db *DB) Restore(key []byte, ttl int64, data []byte) error {
}
}
case rdb.HashMap:
//first clear old key
if _, err = db.HClear(key); err != nil {
return err
}
fv := make([]FVPair, len(value))
for i := 0; i < len(value); i++ {
fv[i] = FVPair{Field: value[i].Field, Value: value[i].Value}
@ -122,6 +131,11 @@ func (db *DB) Restore(key []byte, ttl int64, data []byte) error {
}
}
case rdb.List:
//first clear old key
if _, err = db.LClear(key); err != nil {
return err
}
if _, err = db.RPush(key, value...); err != nil {
return err
}
@ -132,6 +146,11 @@ func (db *DB) Restore(key []byte, ttl int64, data []byte) error {
}
}
case rdb.ZSet:
//first clear old key
if _, err = db.ZClear(key); err != nil {
return err
}
sp := make([]ScorePair, len(value))
for i := 0; i < len(value); i++ {
sp[i] = ScorePair{int64(value[i].Score), value[i].Member}
@ -147,6 +166,11 @@ func (db *DB) Restore(key []byte, ttl int64, data []byte) error {
}
}
case rdb.Set:
//first clear old key
if _, err = db.SClear(key); err != nil {
return err
}
if _, err = db.SAdd(key, value...); err != nil {
return err
}