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tcc rename nx

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hdt3213
2022-04-11 22:42:31 +08:00
parent e378731a26
commit 6be0452040
5 changed files with 82 additions and 37 deletions
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9
database/cluster_helper.go
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@@ -41,7 +41,7 @@ func execDumpKey(db *DB, args [][]byte) redis.Reply {
return resp
}
// execRenameFrom exactly the same as execDel, used for cluster.Rename
// execRenameFrom is exactly same as execDel, used for cluster.Rename
func execRenameFrom(db *DB, args [][]byte) redis.Reply {
key := string(args[0])
db.Remove(key)
@@ -83,9 +83,16 @@ func execRenameTo(db *DB, args [][]byte) redis.Reply {
return protocol.MakeOkReply()
}
// execRenameNxTo is exactly same as execRenameTo, used for cluster.RenameNx, not exists check in cluster.prepareRenameNxTo
func execRenameNxTo(db *DB, args [][]byte) redis.Reply {
return execRenameTo(db, args)
}
func init() {
RegisterCommand("DumpKey", execDumpKey, writeAllKeys, undoDel, 2)
RegisterCommand("ExistIn", execExistIn, readAllKeys, nil, -1)
RegisterCommand("RenameFrom", execRenameFrom, readFirstKey, nil, 2)
RegisterCommand("RenameTo", execRenameTo, writeFirstKey, rollbackFirstKey, 4)
RegisterCommand("RenameNxTo", execRenameTo, writeFirstKey, rollbackFirstKey, 4)
}