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Added RM_UnlinkKey - a low level analog to UNLINK command

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This commit is contained in:
Dvir Volk
2018-01-07 16:41:43 +02:00
committed by antirez
parent 947077bbcb
commit 9f7e214e8c
3 changed files with 56 additions and 0 deletions
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15
src/module.c
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@ -1456,6 +1456,20 @@ int RM_DeleteKey(RedisModuleKey *key) {
return REDISMODULE_OK;
}
/* If the key is open for writing, unlink it (that is delete it in a
* non-blocking way, not reclaiming memory immediately) and setup the key to
* accept new writes as an empty key (that will be created on demand).
* On success REDISMODULE_OK is returned. If the key is not open for
* writing REDISMODULE_ERR is returned. */
int RM_UnlinkKey(RedisModuleKey *key) {
if (!(key->mode & REDISMODULE_WRITE)) return REDISMODULE_ERR;
if (key->value) {
dbAsyncDelete(key->db,key->key);
key->value = NULL;
}
return REDISMODULE_OK;
}
/* Return the key expire value, as milliseconds of remaining TTL.
* If no TTL is associated with the key or if the key is empty,
* REDISMODULE_NO_EXPIRE is returned. */
@ -3960,6 +3974,7 @@ void moduleRegisterCoreAPI(void) {
REGISTER_API(Replicate);
REGISTER_API(ReplicateVerbatim);
REGISTER_API(DeleteKey);
REGISTER_API(UnlinkKey);
REGISTER_API(StringSet);
REGISTER_API(StringDMA);
REGISTER_API(StringTruncate);