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This PR rolls out part of the new proposed interface for vectorstores (https://github.com/langchain-ai/langchain/pull/23544) to existing store implementations. The PR makes the following changes: 1. Adds standard upsert, streaming_upsert, aupsert, astreaming_upsert methods to the vectorstore. 2. Updates `add_texts` and `aadd_texts` to be non required with a default implementation that delegates to `upsert` and `aupsert` if those have been implemented. The original `add_texts` and `aadd_texts` methods are problematic as they spread object specific information across document and **kwargs. (e.g., ids are not a part of the document) 3. Adds a default implementation to `add_documents` and `aadd_documents` that delegates to `upsert` and `aupsert` respectively. 4. Adds standard unit tests to verify that a given vectorstore implements a correct read/write API. A downside of this implementation is that it creates `upsert` with a very similar signature to `add_documents`. The reason for introducing `upsert` is to: * Remove any ambiguities about what information is allowed in `kwargs`. Specifically kwargs should only be used for information common to all indexed data. (e.g., indexing timeout). *Allow inheriting from an anticipated generalized interface for indexing that will allow indexing `BaseMedia` (i.e., allow making a vectorstore for images/audio etc.) `add_documents` can be deprecated in the future in favor of `upsert` to make sure that users have a single correct way of indexing content. --------- Co-authored-by: ccurme <chester.curme@gmail.com> |
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| .. | ||
| _api | ||
| caches | ||
| callbacks | ||
| chat_history | ||
| data | ||
| dependencies | ||
| document_loaders | ||
| documents | ||
| embeddings | ||
| example_selectors | ||
| examples | ||
| fake | ||
| indexing | ||
| language_models | ||
| load | ||
| messages | ||
| output_parsers | ||
| outputs | ||
| prompts | ||
| runnables | ||
| stores | ||
| tracers | ||
| utils | ||
| vectorstores | ||
| __init__.py | ||
| conftest.py | ||
| prompt_file.txt | ||
| stubs.py | ||
| test_globals.py | ||
| test_imports.py | ||
| test_messages.py | ||
| test_outputs.py | ||
| test_sys_info.py | ||
| test_tools.py | ||