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RDB: refactor some RDB loading code into dbAddRDBLoad().

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antirez
2020-04-09 16:21:48 +02:00
parent 399a6b2b47
commit d88f52ee7d
3 changed files with 22 additions and 4 deletions
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18
src/db.c
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@ -188,6 +188,24 @@ void dbAdd(redisDb *db, robj *key, robj *val) {
if (server.cluster_enabled) slotToKeyAdd(key->ptr);
}
/* This is a special version of dbAdd() that is used only when loading
* keys from the RDB file: the key is passed as an SDS string that is
* retained by the function (and not freed by the caller).
*
* Moreover this function will not abort if the key is already busy, to
* give more control to the caller, nor will signal the key as ready
* since it is not useful in this context.
*
* The function returns 1 if the key was added to the database, taking
* ownership of the SDS string, otherwise 0 is returned, and is up to the
* caller to free the SDS string. */
int dbAddRDBLoad(redisDb *db, sds key, robj *val) {
int retval = dictAdd(db->dict, key, val);
if (retval != DICT_OK) return 0;
if (server.cluster_enabled) slotToKeyAdd(key);
return 1;
}
/* Overwrite an existing key with a new value. Incrementing the reference
* count of the new value is up to the caller.
* This function does not modify the expire time of the existing key.