[add] upsert texts to the Milvus vectorstore

[rgupta2508]

Upsert texts to the Milvus vectorstore. This is based on upsert data based on add_text functionality In case metadata need to upsert in milvus, Metadata keys will need to be present for all inserted values. At the moment there is no None equivalent in Milvus.

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Name	Status	Preview	Comments	Updated (UTC)
langchain	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 28, 2024 9:54am

[rgupta2508]

@baskaryan Please review

[rgupta2508]

@ccurme Can you please review this as well.

upsert same thing which provided in add_text method

Thanks

[ccurme]

@rgupta2508 can you clarify, are these two equivalent?

milvus.upsert_texts(texts, metadatas=metadatas)

and

from langchain_core.documents import Document

documents = [Document(text, metadata=metadata) for text, metadata in zip(texts, metadatas)]
milvus.upsert(documents=documents)

i.e., is this a convenience method, or is there missing functionality?

[rgupta2508]

@rgupta2508 can you clarify, are these two equivalent?

milvus.upsert_texts(texts, metadatas=metadatas)

and

from langchain_core.documents import Document

documents = [Document(text, metadata=metadata) for text, metadata in zip(texts, metadatas)]
milvus.upsert(documents=documents)

i.e., is this a convenience method, or is there missing functionality?

Ohh got it, thanks for clarification.

Closing this PR