Weaviate vector store #708
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| import { IWeaviateClient } from "weaviate-ts-client"; | |||
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In the latest version of the ts-client this was changed to WeaviateClient. I suggested a change which wouldn't require an update in the rest of the code, but ideally, everything should be renamed to WeaviateClient
| import { IWeaviateClient } from "weaviate-ts-client"; | |
| import { type WeaviateClient as IWeaviateClient } from "weaviate-ts-client"; |
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Thanks! |
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To do
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Very interested in this, I could really do with switching from Pinecone to Weaviate as Pinecone indexes are currently taking hours to init, on my free account! |
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EDIT: Ah nevermind, just as I was typing this I see you have added Original QuestionQuick question, I am working though implementing your weaviate vectorstore directly in my code from your weaviate.ts to get a bit of a head start on migrating away from Pinecone. It would be easier for me and others to switch to weaviate, if you could closely match the Pinecone implementation: langchain/vectorstores/pinecone, to make the migration easier. For example, how can I re-use a weaviate class/index to make a chain similar to how I was with pinecone? const vectorStore = await PineconeStore.fromExistingIndex(
new OpenAIEmbeddings({}),
{
pineconeIndex: index,
textKey: 'text',
namespace: PINECONE_NAME_SPACE,
},
);
//create chain
const chain = makeChain(vectorStore);
//Ask a question using chat history
const response = await chain.call({
question: sanitizedQuestion,
chat_history: history || [],
});I see you are still adding features, I'll likely take each commit for a spin, happy to provide feedback once I'm at a point where I can run my code again. |
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@heresandyboy like this, any questions let me know https://github.com/hwchase17/langchainjs/pull/708/files#diff-7864057947ac7ae65f05b0d922c5c915bab5c41fe4f82b351b05dfeeb512e2d0 |
Yep, thanks! I just spotted your check-in and found that after I'd posted, I was a bit quick to try and get this implemented. You've really come to the rescue with this PR! My demo may yet be saved! Edit: |
* Implemented review comments * Update dep range * Implement missing methods, add filtering * Add entrypoint * Add docs, add examples, improve the types * Disable the test * Add fromExistingIndex * Update example --------- Co-authored-by: Jasper Heidinga <jasper@Jaspers-MBP-2.localdomain> Co-authored-by: Nuno Campos <nuno@boringbits.io>
Basic implementation of the Weaviate vector store