You want to store multiple vectors with metadata in Pinecone using Langchain. Which approach correctly includes metadata during upsert?

hard📝 component behavior Q8 of 15

LangChain - Embeddings and Vector Stores

Aindex.upsert(vectors=[('id1', [0.1, 0.2])], metadata={'color': 'red'})

Bindex.upsert(vectors=[('id1', [0.1, 0.2], {'color': 'red'})])

Cindex.upsert(vectors=[{'id': 'id1', 'vector': [0.1, 0.2], 'metadata': {'color': 'red'}}])

Dindex.upsert(vectors=[('id1', [0.1, 0.2], 'color', 'red')])

Step-by-Step Solution

Solution:

Step 1: Review Pinecone upsert format
Vectors are tuples of (id, vector, optional metadata dictionary).
Step 2: Match options to format
Only index.upsert(vectors=[('id1', [0.1, 0.2], {'color': 'red'})]) correctly uses tuple with metadata dictionary as third element.
Final Answer:
index.upsert(vectors=[('id1', [0.1, 0.2], {'color': 'red'})]) -> Option B
Quick Check:
Metadata goes as third tuple item [OK]

Quick Trick: Metadata is third item in vector tuple [OK]

Common Mistakes:

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