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Modules: dictionary API work in progress #2: Del API.

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antirez 2018-09-24 11:16:50 +02:00
parent c5e0bc1070
commit bb64c7d8b2
1 changed files with 17 additions and 2 deletions
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19
src/module.c
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@ -4387,10 +4387,25 @@ void *RM_DictGetString(RedisModuleDict *d, RedisModuleString *key, int *nokey) {
return RM_DictGet(d,key->ptr,sdslen(key->ptr),nokey); return RM_DictGet(d,key->ptr,sdslen(key->ptr),nokey);
} }
/* Remove the specified key from the dictionary, returning REDISMODULE_OK if
* the key was found and delted, or REDISMODULE_ERR if instead there was
* no such key in the dictionary. When the operation is successful, if
* 'oldval' is not NULL, then '*oldval' is set to the value stored at the
* key before it was deleted. Using this feature it is possible to get
* a pointer to the value (for instance in order to release it), without
* having to call RedisModule_DictGet() before deleting the key. */
int RM_DictDel(RedisModuleDict *d, void *key, size_t keylen, void *oldval) {
int retval = raxRemove(d->rax,key,keylen,oldval);
return retval ? REDISMODULE_OK : REDISMODULE_ERR;
}
/* Like RedisModule_DictDel() but gets the key as a RedisModuleString. */
int RM_DictDelStr(RedisModuleDict *d, RedisModuleString *key, void *oldval) {
return RM_DictDel(d,key->ptr,sdslen(key->ptr),oldval);
}
/* TODO /* TODO
RM_DictDel();
RM_DictDelStr();
RM_DictIteratorStart(); RM_DictIteratorStart();
RM_DictIteratorStartStr(); RM_DictIteratorStartStr();
RM_DictIteratorReseek(); RM_DictIteratorReseek();