diff options
Diffstat (limited to 'include/SqliteBackend.h')
| -rw-r--r-- | include/SqliteBackend.h | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/include/SqliteBackend.h b/include/SqliteBackend.h index 0b21925..ce4e465 100644 --- a/include/SqliteBackend.h +++ b/include/SqliteBackend.h @@ -16,23 +16,13 @@ * kv(hash TEXT PRIMARY KEY, value BLOB NOT NULL) * — content-addressed store; key is the SHA256 hex digest of value. * - * relation_index(path TEXT NOT NULL, tuple_hash TEXT NOT NULL, - * UNIQUE(path, tuple_hash)) - * — maps a relation's logical path to the ordered set of tuple hashes - * it contains. Corresponds to Sakura's per-relation B+ tree of - * tuple hashes stored in the physical layer. + * Relation membership is tracked by the Merkle B-tree maintained in-process. + * The former relation_index table has been removed; tuple hashes are looked up + * via Merkle::Page which reads only the KV store. */ namespace nt { - /** - * @class SqliteBackend - * @brief IStorageBackend that persists data in a SQLite database. - * - * Constructed with a file path or ":memory:" for an in-process database. - * All KV values are opaque blobs; callers are responsible for serialization - * (see TupleCodec). - */ class NT_API SqliteBackend : public IStorageBackend { public: @@ -46,15 +36,8 @@ namespace nt std::string Put(std::vector<uint8_t> value) override; std::optional<std::vector<uint8_t>> Get(const std::string& hash) override; - void LinkTuple(const std::vector<std::string>& relation_path, - const std::string& tuple_hash) override; - std::vector<std::string> TupleHashes(const std::vector<std::string>& relation_path, - std::size_t offset, - std::size_t limit) override; private: sqlite3* db_ = nullptr; - - static std::string PathKey(const std::vector<std::string>& path); }; } |