This release is a pre-release and may not be stable for production use.
llama-index-vector-stores-houyidb
HouyiDB 的 LlamaIndex BasePydanticVectorStore adapter。
from llama_index.core.schema import TextNode
from llama_index.core.vector_stores import VectorStoreQuery
from llama_index.vector_stores.houyidb import HouyiVectorStore
store = HouyiVectorStore(collection_name="docs", base_url="http://127.0.0.1:7000")
nodes = [TextNode(text="apple is a fruit", embedding=emb, metadata={"category": "fruit"})]
store.add(nodes)
result = store.query(VectorStoreQuery(query_embedding=q, similarity_top_k=3))
store.delete(ref_doc_id="<source document id>")
语义映射
| LlamaIndex | HouyiDB |
|---|---|
| node 正文 | payload[text_key]（默认 "text"） |
metadata + _node_content |
payload 其余键（嵌套值走 JSON 文本列） |
node_id（str） |
u64（houyidb.stable_id 确定性哈希） |
ref_doc_id |
独立标量列，支撑 delete(ref_doc_id) |
MetadataFilters |
filters（eq/gt/gte/lt/lte/in，AND 交集） |
| score | 余弦相似度（越大越相似） |
embedding 由 LlamaIndex 管线计算（node 自带），HouyiDB 只存取向量。
已知限制
- 仅支持 AND 交集过滤（
FilterCondition.OR抛ValueError）；操作符仅 eq/gt/gte/lt/lte/in。 delete(ref_doc_id)走服务端按条件删除（标量页求值），add后立即删除也可靠命中尚在异步构图队列中的 node。- node metadata 不得含保留键
label。 - collection 的 payload 存储 v1 易失（进程重启后 node 内容丢失，向量索引不受影响）。
1 maintainer
Metadata
1 maintainer
Release files for llama-index-vector-stores-houyidb 0.2.0b5
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