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What will happen if you try to initialize a Chroma vector store without passing an embedding function?

medium📝 state output Q5 of 15
LangChain - Embeddings and Vector Stores
What will happen if you try to initialize a Chroma vector store without passing an embedding function?
AIt will raise an error because embedding_function is required
BIt will create an empty store with default embeddings
CIt will use a random embedding function automatically
DIt will silently ignore embeddings and store raw text
Step-by-Step Solution
Solution:

  1. Step 1: Check Chroma constructor requirements

    embedding_function is mandatory for vector creation.

  2. Step 2: Consequence of missing embedding_function

    Omitting it causes an error during initialization.

  3. Final Answer:

    It will raise an error because embedding_function is required -> Option A

  4. Quick Check:

    embedding_function missing causes error [OK]
Quick Trick: embedding_function is mandatory, no defaults [OK]
Common Mistakes:
  • Assuming default embedding function exists
  • Expecting silent failure without error
  • Thinking raw text can be stored without embeddings

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