nostrdb

commit ae4ec323891057d54382a2dddc483f183b208e1b
parent a80b7c5d9ccf2540b07265ca36c2b810682ef1f6
Author: William Casarin <jb55@jb55.com>
Date:   Thu,  7 Sep 2023 10:47:24 -0700

optimized function just for fetching notekeys from indices

Diffstat:
M
nostrdb.c
 | 
10
++++++++++
M
nostrdb.h
 | 
2
++

2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/nostrdb.c b/nostrdb.c
@@ -351,6 +351,16 @@ struct ndb_note *ndb_get_note_by_id(struct ndb_txn *txn, const unsigned char *id
 	return ndb_lookup_tsid(txn, NDB_DB_NOTE_ID, NDB_DB_NOTE, id, len, key);
 }
 
+uint64_t ndb_get_notekey_by_id(struct ndb_txn *txn, const unsigned char *id)
+{
+	MDB_val k;
+
+	if (!ndb_get_tsid(txn->mdb_txn, &txn->ndb->lmdb, NDB_DB_NOTE_ID, id, &k))
+		return 0;
+
+	return *(uint64_t*)k.mv_data;
+}
+
 struct ndb_note *ndb_get_note_by_key(struct ndb_txn *txn, uint64_t key, size_t *len)
 {
 	return ndb_lookup_by_key(txn, key, NDB_DB_NOTE, len);
diff --git a/nostrdb.h b/nostrdb.h
@@ -164,6 +164,8 @@ int ndb_process_events(struct ndb *, const char *ldjson, size_t len);
 int ndb_begin_query(struct ndb *, struct ndb_txn *);
 void ndb_end_query(struct ndb_txn *);
 void *ndb_get_profile_by_pubkey(struct ndb_txn *txn, const unsigned char *pubkey, size_t *len, uint64_t *primkey);
+void *ndb_get_profile_by_key(struct ndb_txn *txn, uint64_t key, size_t *len);
+uint64_t ndb_get_notekey_by_id(struct ndb_txn *txn, const unsigned char *id);
 struct ndb_note *ndb_get_note_by_id(struct ndb_txn *txn, const unsigned char *id, size_t *len, uint64_t *primkey);
 struct ndb_note *ndb_get_note_by_key(struct ndb_txn *txn, uint64_t key, size_t *len);
 void ndb_destroy(struct ndb *);