void init_kvstore_htable(){
kvpair_size = destor.index_key_size + destor.index_value_length * 8;
if(destor.index_key_size >=4)
htable = g_hash_table_new_full(g_int_hash, g_feature_equal,
free_kvpair, NULL);
else
htable = g_hash_table_new_full(g_feature_hash, g_feature_equal,
free_kvpair, NULL);
sds indexpath = sdsdup(destor.working_directory);
indexpath = sdscat(indexpath, "index/htable");
/* Initialize the feature index from the dump file. */
FILE *fp;
if ((fp = fopen(indexpath, "r"))) {
/* The number of features */
int key_num;
fread(&key_num, sizeof(int), 1, fp);
for (; key_num > 0; key_num--) {
/* Read a feature */
kvpair kv = new_kvpair();
fread(get_key(kv), destor.index_key_size, 1, fp);
/* The number of segments/containers the feature refers to. */
int id_num, i;
fread(&id_num, sizeof(int), 1, fp);
assert(id_num <= destor.index_value_length);
for (i = 0; i < id_num; i++)
/* Read an ID */
fread(&get_value(kv)[i], sizeof(int64_t), 1, fp);
g_hash_table_insert(htable, get_key(kv), kv);
}
fclose(fp);
}
sdsfree(indexpath);
}
bool bst_map_insert(bst_map map, const char * key, void * value) {
kvpair new_pair = new_kvpair(key, value);
return bs_tree_insert_subtree(map, &map->root, new_pair);
}