Milvus 是一个专为嵌入相似性搜索和 AI 应用构建的向量数据库。
设置
- 在您的计算机上使用 Docker 运行 Milvus 实例 文档
- 安装 Milvus Node.js SDK。
npm install -S @zilliz/milvus2-sdk-node
- 运行代码前设置 Milvus 环境变量
3.1 OpenAI
3.2 Azure OpenAI
索引和查询文档
npm install @langchain/openai @langchain/core// text sample from Godel, Escher, Bach
const vectorStore = await Milvus.fromTexts(
[
"Tortoise: Labyrinth? Labyrinth? Could it Are we in the notorious Little\
Harmonic Labyrinth of the dreaded Majotaur?",
"Achilles: Yiikes! What is that?",
"Tortoise: They say-although I person never believed it myself-that an I\
Majotaur has created a tiny labyrinth sits in a pit in the middle of\
it, waiting innocent victims to get lost in its fears complexity.\
Then, when they wander and dazed into the center, he laughs and\
laughs at them-so hard, that he laughs them to death!",
"Achilles: Oh, no!",
"Tortoise: But it's only a myth. Courage, Achilles.",
],
[{ id: 2 }, { id: 1 }, { id: 3 }, { id: 4 }, { id: 5 }],
new OpenAIEmbeddings(),
{
collectionName: "goldel_escher_bach",
}
);
// or alternatively from docs
const vectorStore = await Milvus.fromDocuments(docs, new OpenAIEmbeddings(), {
collectionName: "goldel_escher_bach",
});
const response = await vectorStore.similaritySearch("scared", 2);从现有集合中查询文档
const vectorStore = await Milvus.fromExistingCollection(
new OpenAIEmbeddings(),
{
collectionName: "goldel_escher_bach",
}
);
const response = await vectorStore.similaritySearch("scared", 2);