community: Added Lantern as VectorStore #12951

var77 · 2023-11-06T20:56:20Z

Support Lantern as a new VectorStore type.

Added Lantern as VectorStore.
It will support 3 distance functions l2 squared, cosine and hamming and will use HNSW index.
Added tests
Added example notebook

vercel · 2023-11-06T20:56:25Z

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Name	Status	Preview	Comments	Updated (UTC)
langchain	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 6, 2024 5:26pm

hinthornw · 2024-01-06T02:16:24Z

libs/community/langchain_community/vectorstores/lantern.py

+        ef_construction: int = 16,
+        ef_search: int = 16,
+        **_kwargs: Any,
+    ) -> None:


Could you add a docstring for this method? It's not clear what "ef" / these params are without being familiar with hnswlib or other ANN libs. Ideally a user shouldn't have to research elsewhere to understand a function signature

hinthornw · 2024-01-06T02:27:50Z

libs/community/langchain_community/vectorstores/lantern.py

+            )
+
+    def _typed_arg_for_distance(
+        self, embedding: List[float | int]


The "|" syntax for typehints isn't supported for python 3.8. Better to use Union[float, int]

hinthornw · 2024-01-06T02:29:24Z

libs/community/langchain_community/vectorstores/lantern.py

+        distance_strategy: DistanceStrategy = DEFAULT_DISTANCE_STRATEGY,
+        pre_delete_collection: bool = False,
+        **kwargs: Any,
+    ) -> Lantern:


Same here, could you add a docstring? No clue what "pre_delete_collection" means otherwise

hinthornw · 2024-01-06T02:31:00Z

libs/community/langchain_community/vectorstores/lantern.py

+        **kwargs: Any,
+    ) -> List[str]:
+        if ids is None:
+            ids = [str(uuid.uuid1()) for _ in texts]


out of curiosity: why uuid1 instead of uuid 4 here?

hinthornw · 2024-01-06T02:33:02Z

libs/community/langchain_community/vectorstores/lantern.py

+        return store
+
+    @classmethod
+    def get_connection_string(cls, kwargs: Dict[str, Any]) -> str:


Could be private, right?

hinthornw · 2024-01-06T02:33:20Z

libs/community/langchain_community/vectorstores/lantern.py

+        if not connection_string:
+            raise ValueError(
+                "Postgres connection string is required"
+                "Either pass it as a parameter"


Better to be specific about keyword parameter name "connection_string"

hinthornw · 2024-01-06T02:35:58Z

libs/community/langchain_community/vectorstores/lantern.py

+        ids: Optional[List[str]] = None,
+        pre_delete_collection: bool = False,
+        **kwargs: Any,
+    ) -> Lantern:


Same for the other initializers, would be helpful to have docstrings

hinthornw · 2024-01-06T02:39:00Z

docs/docs/integrations/vectorstores/lantern.ipynb

Good doc.

May be good to be even more explicit about the "you override with with..." and say "This will delete the collection before re-populating it".

hinthornw · 2024-01-06T02:50:24Z

libs/community/langchain_community/vectorstores/lantern.py

+        self,
+    ) -> None:
+        self._conn = self.connect()
+        self.create_hnsw_extension()


Ideally any communication-heavy/blocking operations happen in a class method constructor rather than in the __init__ or post init methods, but it does work so not a blocker to land this.

Got it! create_hnsw_extension should not take much time here, as we don't have any heavy blocking operations in our extension creation logic.

hinthornw

Overall works for me. I need to check on the integration tests (whether we need any changes there). Would be helpful to include more useful docstrings

var77 · 2024-01-06T17:21:47Z

Overall works for me. I need to check on the integration tests (whether we need any changes there). Would be helpful to include more useful docstrings

Thank you for detailed review!
I did the requested changes feel free to recheck.

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[https://github.com/langchain-ai/langchain/pull/15682](https://togithub.com/langchain-ai/langchain/pull/15682) - community\[patch]: Support different Pinecone initializations depending on the version by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15717](https://togithub.com/langchain-ai/langchain/pull/15717) - bugfix/fix table in documentation for langchain-community by [@mingkang111](https://togithub.com/mingkang111) in [https://github.com/langchain-ai/langchain/pull/15716](https://togithub.com/langchain-ai/langchain/pull/15716) - core(minor): Add a way to print out system information for debugging purposes. by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15718](https://togithub.com/langchain-ai/langchain/pull/15718) - Add doc for AstraDB document loader by [@cbornet](https://togithub.com/cbornet) in [https://github.com/langchain-ai/langchain/pull/15703](https://togithub.com/langchain-ai/langchain/pull/15703) - Fix AstraDB logical operator filtering by [@cbornet](https://togithub.com/cbornet) in [https://github.com/langchain-ai/langchain/pull/15699](https://togithub.com/langchain-ai/langchain/pull/15699) - langchain-docs: Correct the word "iteratively" in use-cases documentation by [@untilhamza](https://togithub.com/untilhamza) in [https://github.com/langchain-ai/langchain/pull/15697](https://togithub.com/langchain-ai/langchain/pull/15697) - community: fix myscale delete function bug by [@IANTHEREAL](https://togithub.com/IANTHEREAL) in [https://github.com/langchain-ai/langchain/pull/15675](https://togithub.com/langchain-ai/langchain/pull/15675) - docs: update aws_dynamodb integration doc by [@sweetkane](https://togithub.com/sweetkane) in [https://github.com/langchain-ai/langchain/pull/15666](https://togithub.com/langchain-ai/langchain/pull/15666) - experimental: minimum version bump by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15722](https://togithub.com/langchain-ai/langchain/pull/15722) - experimental\[patch]: minimum version bump by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15724](https://togithub.com/langchain-ai/langchain/pull/15724) - langchain(patch): Fix output type for pydantic output parser by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15714](https://togithub.com/langchain-ai/langchain/pull/15714) - Make packages optional by [@hinthornw](https://togithub.com/hinthornw) in [https://github.com/langchain-ai/langchain/pull/15727](https://togithub.com/langchain-ai/langchain/pull/15727) - Update template to direct questions to discussions rather than issues by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15721](https://togithub.com/langchain-ai/langchain/pull/15721) - CI: Fix template for questions by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15756](https://togithub.com/langchain-ai/langchain/pull/15756) - docs: remove unnecessary description by [@morugu](https://togithub.com/morugu) in [https://github.com/langchain-ai/langchain/pull/15752](https://togithub.com/langchain-ai/langchain/pull/15752) - experimental\[patch]: loosen core max version by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/15763](https://togithub.com/langchain-ai/langchain/pull/15763) - community\[patch]: release 0.0.11 by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15760](https://togithub.com/langchain-ai/langchain/pull/15760) - docs: fix recognition by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/15769](https://togithub.com/langchain-ai/langchain/pull/15769) - docs: integration package pip installs by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15762](https://togithub.com/langchain-ai/langchain/pull/15762) - robocorp\[minor]: Add robocorp action server toolkit by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15766](https://togithub.com/langchain-ai/langchain/pull/15766) - community\[patch]: update oai deprecation message by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/15681](https://togithub.com/langchain-ai/langchain/pull/15681) - openai\[patch], docs: readme by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15773](https://togithub.com/langchain-ai/langchain/pull/15773) - openai\[patch]: unit test load by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15624](https://togithub.com/langchain-ai/langchain/pull/15624) - templates: robocorp action server template by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15776](https://togithub.com/langchain-ai/langchain/pull/15776) - robocorp\[patch]: fix readme, release 0.0.1.post1 by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15777](https://togithub.com/langchain-ai/langchain/pull/15777) - core\[patch]: add alternative_import to deprecated by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15781](https://togithub.com/langchain-ai/langchain/pull/15781) - community: fix qianfan chat stream calling caused exception by [@danielhjz](https://togithub.com/danielhjz) in [https://github.com/langchain-ai/langchain/pull/13800](https://togithub.com/langchain-ai/langchain/pull/13800) - Add neo4j semantic layer template by [@tomasonjo](https://togithub.com/tomasonjo) in [https://github.com/langchain-ai/langchain/pull/15652](https://togithub.com/langchain-ai/langchain/pull/15652) - mistralai\[patch]: persist async client by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15786](https://togithub.com/langchain-ai/langchain/pull/15786) - mistralai\[patch]: warn on stop token, fix on_llm_new_token by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15787](https://togithub.com/langchain-ai/langchain/pull/15787) - docs: collapse structured use case by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/15791](https://togithub.com/langchain-ai/langchain/pull/15791) - core\[patch]: release 0.1.9 by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15794](https://togithub.com/langchain-ai/langchain/pull/15794) - community\[patch]: more deprecations by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15782](https://togithub.com/langchain-ai/langchain/pull/15782) - langchain\[patch]: Improve stream_log with AgentExecutor and Runnable Agent by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15792](https://togithub.com/langchain-ai/langchain/pull/15792) - add dspy notebook by [@hwchase17](https://togithub.com/hwchase17) in [https://github.com/langchain-ai/langchain/pull/15798](https://togithub.com/langchain-ai/langchain/pull/15798) - semantic chunker by [@hwchase17](https://togithub.com/hwchase17) in [https://github.com/langchain-ai/langchain/pull/15799](https://togithub.com/langchain-ai/langchain/pull/15799) - experimental\[patch]: Release 0.0.49 by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/15823](https://togithub.com/langchain-ai/langchain/pull/15823) - infra: explicit py path by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/15826](https://togithub.com/langchain-ai/langchain/pull/15826) - ISSUE_TEMPLATE: Update issue template by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15757](https://togithub.com/langchain-ai/langchain/pull/15757) - Infra: Fix syntax error in BUG REPORT template by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15831](https://togithub.com/langchain-ai/langchain/pull/15831) - More updates to issue template by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15833](https://togithub.com/langchain-ai/langchain/pull/15833) - infra: fix issue preview by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15836](https://togithub.com/langchain-ai/langchain/pull/15836) - add raga reranker by [@hwchase17](https://togithub.com/hwchase17) in [https://github.com/langchain-ai/langchain/pull/15838](https://togithub.com/langchain-ai/langchain/pull/15838) - Add unit tests to test openai tools agent by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15843](https://togithub.com/langchain-ai/langchain/pull/15843) - TogetherAI RAG by [@rlancemartin](https://togithub.com/rlancemartin) in [https://github.com/langchain-ai/langchain/pull/15846](https://togithub.com/langchain-ai/langchain/pull/15846) - docs: fix links by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/15848](https://togithub.com/langchain-ai/langchain/pull/15848) - community\[patch]: pinecone v3 support by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15849](https://togithub.com/langchain-ai/langchain/pull/15849) - Update Evals Notebook by [@hinthornw](https://togithub.com/hinthornw) in [https://github.com/langchain-ai/langchain/pull/15851](https://togithub.com/langchain-ai/langchain/pull/15851) - together\[minor]: add llm by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15853](https://togithub.com/langchain-ai/langchain/pull/15853) - Add NVIDIA Canonical RAG example chain by [@SagarBM396](https://togithub.com/SagarBM396) in [https://github.com/langchain-ai/langchain/pull/15758](https://togithub.com/langchain-ai/langchain/pull/15758) - docs: Update cohere.mdx, Text embedding had incorrect code snippet by [@daniel-cohere](https://togithub.com/daniel-cohere) in [https://github.com/langchain-ai/langchain/pull/15840](https://togithub.com/langchain-ai/langchain/pull/15840) - \[docs] add beautiful soup dependency by [@hwchase17](https://togithub.com/hwchase17) in [https://github.com/langchain-ai/langchain/pull/15860](https://togithub.com/langchain-ai/langchain/pull/15860) - Community : Modified doc strings and example notebook for Clarifai by [@mogith-pn](https://togithub.com/mogith-pn) in [https://github.com/langchain-ai/langchain/pull/15816](https://togithub.com/langchain-ai/langchain/pull/15816) - community: add collection_properties parameter to Milvus by [@axiangcoding](https://togithub.com/axiangcoding) in [https://github.com/langchain-ai/langchain/pull/15788](https://togithub.com/langchain-ai/langchain/pull/15788) - Docs: Fix a typo in elasticsearch vectorstore notebook by [@xvjixiang](https://togithub.com/xvjixiang) in [https://github.com/langchain-ai/langchain/pull/15807](https://togithub.com/langchain-ai/langchain/pull/15807) - Add document loader section to Astra provider doc page by [@cbornet](https://togithub.com/cbornet) in [https://github.com/langchain-ai/langchain/pull/15882](https://togithub.com/langchain-ai/langchain/pull/15882) - docs\[patch]: Fix bad headers in output parser docs by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchain/pull/15778](https://togithub.com/langchain-ai/langchain/pull/15778) - Docs\[patch]: Update agent quick start for agents by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15892](https://togithub.com/langchain-ai/langchain/pull/15892) - Docs\[patch]: Update OpenAI tools agent description by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15896](https://togithub.com/langchain-ai/langchain/pull/15896) - community\[patch]: pinecone bug by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15905](https://togithub.com/langchain-ai/langchain/pull/15905) - add old serializable mapping by [@hwchase17](https://togithub.com/hwchase17) in [https://github.com/langchain-ai/langchain/pull/15906](https://togithub.com/langchain-ai/langchain/pull/15906) - core\[patch]: release 0.1.10 by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15911](https://togithub.com/langchain-ai/langchain/pull/15911) - mistralai\[patch]: release 0.0.2 by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15912](https://togithub.com/langchain-ai/langchain/pull/15912) - Pass config specs through ensemble retriever by [@nfcampos](https://togithub.com/nfcampos) in [https://github.com/langchain-ai/langchain/pull/15917](https://togithub.com/langchain-ai/langchain/pull/15917) - Rm deprecated by [@hinthornw](https://togithub.com/hinthornw) in [https://github.com/langchain-ai/langchain/pull/15920](https://togithub.com/langchain-ai/langchain/pull/15920) - Passthrough configurable primitive values as tracer metadata by [@nfcampos](https://togithub.com/nfcampos) in [https://github.com/langchain-ai/langchain/pull/15915](https://togithub.com/langchain-ai/langchain/pull/15915) - \<langchain_community.vectorstores>:<Fix pinecone.py __init__ docsrting instruction> by [@yacine555](https://togithub.com/yacine555) in [https://github.com/langchain-ai/langchain/pull/15922](https://togithub.com/langchain-ai/langchain/pull/15922) - langchain: fix OutputParserException ([#15914](https://togithub.com/langchain-ai/langchain/issues/15914)) by [@JanHorcicka](https://togithub.com/JanHorcicka) in [https://github.com/langchain-ai/langchain/pull/15916](https://togithub.com/langchain-ai/langchain/pull/15916) - feat(community): make Amadeus toolkit LLM-agnostic by [@mspronesti](https://togithub.com/mspronesti) in [https://github.com/langchain-ai/langchain/pull/15879](https://togithub.com/langchain-ai/langchain/pull/15879) - feat: Implement `stream` interface by [@apepkuss](https://togithub.com/apepkuss) in [https://github.com/langchain-ai/langchain/pull/15875](https://togithub.com/langchain-ai/langchain/pull/15875) - community: Ollama - Pass headers to post request by [@shahrin014](https://togithub.com/shahrin014) in [https://github.com/langchain-ai/langchain/pull/15881](https://togithub.com/langchain-ai/langchain/pull/15881) - PR community:Removing knn beta content in mongodb atlas vectorstore by [@manishsahni2000](https://togithub.com/manishsahni2000) in [https://github.com/langchain-ai/langchain/pull/15865](https://togithub.com/langchain-ai/langchain/pull/15865) - Add a BaseStore backed by AstraDB by [@cbornet](https://togithub.com/cbornet) in [https://github.com/langchain-ai/langchain/pull/15812](https://togithub.com/langchain-ai/langchain/pull/15812) - docs: redis_chat_message_history.ipynb integration doc by [@marsmxm](https://togithub.com/marsmxm) in [https://github.com/langchain-ai/langchain/pull/15789](https://togithub.com/langchain-ai/langchain/pull/15789) - Enable customizing the output parser of `OpenAIFunctionsAgent` by [@treisfeld](https://togithub.com/treisfeld) in [https://github.com/langchain-ai/langchain/pull/15827](https://togithub.com/langchain-ai/langchain/pull/15827) - community: Added functions to make async calls to HuggingFaceHub's embedding endpoint in HuggingFaceHubEmbeddings class by [@raunakshrivastava7](https://togithub.com/raunakshrivastava7) in [https://github.com/langchain-ai/langchain/pull/15737](https://togithub.com/langchain-ai/langchain/pull/15737) - community: Add support of "http" URI for Milvus ([#12710](https://togithub.com/langchain-ai/langchain/issues/12710)) by [@ohbeep](https://togithub.com/ohbeep) in [https://github.com/langchain-ai/langchain/pull/15683](https://togithub.com/langchain-ai/langchain/pull/15683) - langchain-google-genai\[patch]: Add support for end_point and transport parameters to the Gemini API by [@enfeng](https://togithub.com/enfeng) in [https://github.com/langchain-ai/langchain/pull/15532](https://togithub.com/langchain-ai/langchain/pull/15532) - community: Support milvus partition key. by [@zc277584121](https://togithub.com/zc277584121) in [https://github.com/langchain-ai/langchain/pull/15740](https://togithub.com/langchain-ai/langchain/pull/15740) - openai\[patch]: 0.0.2.post1, urls by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15961](https://togithub.com/langchain-ai/langchain/pull/15961) - infra: retry release if not found on test pypi by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15913](https://togithub.com/langchain-ai/langchain/pull/15913) - docs: Update Robocorp Action Server installation instructions by [@rihardsgravis](https://togithub.com/rihardsgravis) in [https://github.com/langchain-ai/langchain/pull/15943](https://togithub.com/langchain-ai/langchain/pull/15943) - multiple\[patch]: .post releases and pyproject metadata by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15962](https://togithub.com/langchain-ai/langchain/pull/15962) - docs: add agent prompt creation examples by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/15957](https://togithub.com/langchain-ai/langchain/pull/15957) - Add documentation for AstraDBStore by [@cbornet](https://togithub.com/cbornet) in [https://github.com/langchain-ai/langchain/pull/15953](https://togithub.com/langchain-ai/langchain/pull/15953) - community: Fixing a performance issue with AzureSearch to perform batch embedding by [@msetbar](https://togithub.com/msetbar) in [https://github.com/langchain-ai/langchain/pull/15594](https://togithub.com/langchain-ai/langchain/pull/15594) - community: fix the "page" mode in the AzureAIDocumentIntelligenceParser (bug) by [@EdwinWenink](https://togithub.com/EdwinWenink) in [https://github.com/langchain-ai/langchain/pull/15958](https://togithub.com/langchain-ai/langchain/pull/15958) - stop making copies of inputs by [@hwchase17](https://togithub.com/hwchase17) in [https://github.com/langchain-ai/langchain/pull/15926](https://togithub.com/langchain-ai/langchain/pull/15926) - community: Added Lantern as VectorStore by [@var77](https://togithub.com/var77) in [https://github.com/langchain-ai/langchain/pull/12951](https://togithub.com/langchain-ai/langchain/pull/12951) - Batch update of alt text and title attributes for images in md/mdx files across repo by [@jonathanalgar](https://togithub.com/jonathanalgar) in [https://github.com/langchain-ai/langchain/pull/15357](https://togithub.com/langchain-ai/langchain/pull/15357) - community\[patch]: release 0.0.12 by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15973](https://togithub.com/langchain-ai/langchain/pull/15973) - community\[patch]: core min 0.1.9 by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15974](https://togithub.com/langchain-ai/langchain/pull/15974) - community: Add PolygonAPIWrapper and get_last_quote endpoint by [@virattt](https://togithub.com/virattt) in [https://github.com/langchain-ai/langchain/pull/15971](https://togithub.com/langchain-ai/langchain/pull/15971) - docs: agent table fix by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/15964](https://togithub.com/langchain-ai/langchain/pull/15964) - core\[patch]: simple prompt pretty printing by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/15968](https://togithub.com/langchain-ai/langchain/pull/15968) - docs: more pip installs by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/15771](https://togithub.com/langchain-ai/langchain/pull/15771) - community: add new gpt-3.5-turbo-1106 finetuned for cost calculation by [@nirkopler](https://togithub.com/nirkopler) in [https://github.com/langchain-ai/langchain/pull/16039](https://togithub.com/langchain-ai/langchain/pull/16039) - docs: fix documentation broken link in integrations chroma by [@Mahad-lab](https://togithub.com/Mahad-lab) in [https://github.com/langchain-ai/langchain/pull/16041](https://togithub.com/langchain-ai/langchain/pull/16041) - docs: fix self query diagram by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/16043](https://togithub.com/langchain-ai/langchain/pull/16043) - community: Ollama - Parameter structure to follow official documentation by [@shahrin014](https://togithub.com/shahrin014) in [https://github.com/langchain-ai/langchain/pull/16035](https://togithub.com/langchain-ai/langchain/pull/16035) - \[community]\[vectorstores]\[SurrealDBStore] Fix to match SurrealDB 0.3.2 SDK by [@lalanikarim](https://togithub.com/lalanikarim) in [https://github.com/langchain-ai/langchain/pull/15996](https://togithub.com/langchain-ai/langchain/pull/15996) - \[community]\[document loaders] Added document loader for SurrealDB by [@lalanikarim](https://togithub.com/lalanikarim) in [https://github.com/langchain-ai/langchain/pull/15995](https://togithub.com/langchain-ai/langchain/pull/15995) - community : Fixed 'coroutine' object is not subscriptable error by [@raunakshrivastava7](https://togithub.com/raunakshrivastava7) in [https://github.com/langchain-ai/langchain/pull/15986](https://togithub.com/langchain-ai/langchain/pull/15986) - docs: fix typo in inspect runnables docs by [@rokn](https://togithub.com/rokn) in [https://github.com/langchain-ai/langchain/pull/15994](https://togithub.com/langchain-ai/langchain/pull/15994) - Community: Adding asynchronous function implementation for Doctran by [@CsEnox](https://togithub.com/CsEnox) in [https://github.com/langchain-ai/langchain/pull/15941](https://togithub.com/langchain-ai/langchain/pull/15941) - feat: add additional support for `BigQueryVectorSearch` by [@ashleyxuu](https://togithub.com/ashleyxuu) in [https://github.com/langchain-ai/langchain/pull/15904](https://togithub.com/langchain-ai/langchain/pull/15904) - docs(community): update Amadeus toolkit to langchain v0.1 by [@mspronesti](https://togithub.com/mspronesti) in [https://github.com/langchain-ai/langchain/pull/15976](https://togithub.com/langchain-ai/langchain/pull/15976) - \[docs] Integration Documentation updated run to invoke for llms/ai21.ipynb by [@bhadreshpsavani](https://togithub.com/bhadreshpsavani) in [https://github.com/langchain-ai/langchain/pull/15889](https://togithub.com/langchain-ai/langchain/pull/15889) - refactor `output_parsers` Rail by [@leo-gan](https://togithub.com/leo-gan) in [https://github.com/langchain-ai/langchain/pull/15852](https://togithub.com/langchain-ai/langchain/pull/15852) - Add AstraDB self query retriever by [@cbornet](https://togithub.com/cbornet) in [https://github.com/langchain-ai/langchain/pull/15738](https://togithub.com/langchain-ai/langchain/pull/15738) - community: fix a bug that mistakenly handle zip iterator in FAISS.from_embeddings by [@neozhao98](https://togithub.com/neozhao98) in [https://github.com/langchain-ai/langchain/pull/16020](https://togithub.com/langchain-ai/langchain/pull/16020) - docs: update baidu_qianfan_endpoint.ipynb doc by [@Bigtable123](https://togithub.com/Bigtable123) in [https://github.com/langchain-ai/langchain/pull/15940](https://togithub.com/langchain-ai/langchain/pull/15940) - community: jaguar vector store fix integer-element error when joining metadata values by [@fserv](https://togithub.com/fserv) in [https://github.com/langchain-ai/langchain/pull/15939](https://togithub.com/langchain-ai/langchain/pull/15939) - Docs\[patch]: Add info admonitions to a few agents by [@eyurtsev](https://togithub.com/eyurtsev) in [https://github.com/langchain-ai/langchain/pull/15899](https://togithub.com/langchain-ai/langchain/pull/15899) - Docs: Update OpenAI functions agent by [@eyurtsev](https://togithub.com/eyurtsev) in 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[https://github.com/langchain-ai/langchain/pull/15574](https://togithub.com/langchain-ai/langchain/pull/15574) - langchain-community: add documentation for Firestore Chat Message History integration by [@averikitsch](https://togithub.com/averikitsch) in [https://github.com/langchain-ai/langchain/pull/15554](https://togithub.com/langchain-ai/langchain/pull/15554) - fix tongyi completion and params error by [@Funkeke](https://togithub.com/Funkeke) in [https://github.com/langchain-ai/langchain/pull/15544](https://togithub.com/langchain-ai/langchain/pull/15544) - Fix: stop (stop_sequences) param on WatsonxLLM by [@MateuszOssGit](https://togithub.com/MateuszOssGit) in [https://github.com/langchain-ai/langchain/pull/15541](https://togithub.com/langchain-ai/langchain/pull/15541) - Fix: fix top_p type hint by [@chyroc](https://togithub.com/chyroc) in [https://github.com/langchain-ai/langchain/pull/15452](https://togithub.com/langchain-ai/langchain/pull/15452) - community: JsonRequestsWrapper by [@hanzhichao2000](https://togithub.com/hanzhichao2000) in [https://github.com/langchain-ai/langchain/pull/15374](https://togithub.com/langchain-ai/langchain/pull/15374) - community: Refactor OpenAIWhisperParserLocal by [@andrijdavid](https://togithub.com/andrijdavid) in [https://github.com/langchain-ai/langchain/pull/15150](https://togithub.com/langchain-ai/langchain/pull/15150) - add vikingdb and embedding by [@19374242](https://togithub.com/19374242) in [https://github.com/langchain-ai/langchain/pull/15155](https://togithub.com/langchain-ai/langchain/pull/15155) - langchain\[patch]: fix requests lint by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/16049](https://togithub.com/langchain-ai/langchain/pull/16049) - community: implement adelete from VectorStore in Qdrant by [@AntonioMorales97](https://togithub.com/AntonioMorales97) in [https://github.com/langchain-ai/langchain/pull/16005](https://togithub.com/langchain-ai/langchain/pull/16005) - community\[patch]: add vector param to index query for pinecone vec store by [@jamescalam](https://togithub.com/jamescalam) in [https://github.com/langchain-ai/langchain/pull/16054](https://togithub.com/langchain-ai/langchain/pull/16054) - community\[patch]: release 0.0.13 by [@efriis](https://togithub.com/efriis) in [https://github.com/langchain-ai/langchain/pull/16087](https://togithub.com/langchain-ai/langchain/pull/16087) - Add unit test for overridden lc_namespace by [@nfcampos](https://togithub.com/nfcampos) in [https://github.com/langchain-ai/langchain/pull/16093](https://togithub.com/langchain-ai/langchain/pull/16093) - core\[patch]: pass exceptions to fallbacks by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/16048](https://togithub.com/langchain-ai/langchain/pull/16048) - core\[patch]: Release 0.1.11 by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/16100](https://togithub.com/langchain-ai/langchain/pull/16100) - Update elasticsearch.ipynb by [@bustosjuan](https://togithub.com/bustosjuan) in [https://github.com/langchain-ai/langchain/pull/16090](https://togithub.com/langchain-ai/langchain/pull/16090) - Add doc for AstraDB self retriever by [@cbornet](https://togithub.com/cbornet) in [https://github.com/langchain-ai/langchain/pull/16077](https://togithub.com/langchain-ai/langchain/pull/16077) - langchain\[patch]: Release 0.1.1 by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/16103](https://togithub.com/langchain-ai/langchain/pull/16103) - langchain\[patch]: bump core dep to 0.1.9 by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/16104](https://togithub.com/langchain-ai/langchain/pull/16104) - docs: tool-use use case by [@baskaryan](https://togithub.com/baskaryan) in [https://github.com/langchain-ai/langchain/pull/15783](https://togithub.com/langchain-ai/langchain/pull/15783) ##### New Contributors - [@raunakshrivastava7](https://togithub.com/raunakshrivastava7) made their first contribution in [https://github.com/langchain-ai/langchain/pull/15642](https://togithub.com/langchain-ai/langchain/pull/15642) - [@Yuffie](https://togithub.com/Yuffie) made their first contribution in [https://github.com/langchain-ai/langchain/pull/15631](https://togithub.com/langchain-ai/langchain/pull/15631) - [@reachusama](https://togithub.com/reachusama) made their first contribution in [https://github.com/langchain-ai/langchain/pull/15649](https://togithub.com/langchain-ai/langchain/pull/15649) - [@Ammar-Azman](https://togithub.com/Ammar-Azman) made their first contribution in [https://github.com/langchain-ai/langchain/pull/15569](https://togithub.com/langchain-ai/langchain/pull/15569) - 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[https://github.com/langchain-ai/langchainjs/pull/4083](https://togithub.com/langchain-ai/langchainjs/pull/4083) - langchain\[minor]: update sql_utils: add schema for mssql by [@therajatg](https://togithub.com/therajatg) in [https://github.com/langchain-ai/langchainjs/pull/4006](https://togithub.com/langchain-ai/langchainjs/pull/4006) - langchain\[patch]: Correcting token text-splitting behavior by [@matthewdparker](https://togithub.com/matthewdparker) in [https://github.com/langchain-ai/langchainjs/pull/4078](https://togithub.com/langchain-ai/langchainjs/pull/4078) - core\[patch]: Release 0.1.17 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/4088](https://togithub.com/langchain-ai/langchainjs/pull/4088) - community\[patch]: Release 0.0.19 by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/4089](https://togithub.com/langchain-ai/langchainjs/pull/4089) - langchain\[patch]: Increase remote runnable default timeout by [@jacoblee93](https://togithub.com/jacoblee93) in [https://github.com/langchain-ai/langchainjs/pull/4090](https://togithub.com/langchain-ai/langchainjs/pull/4090) - all\[patch]: add prettier config files by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/4087](https://togithub.com/langchain-ai/langchainjs/pull/4087) - scripts\[major]: Add LangChain scripts package by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/4093](https://togithub.com/langchain-ai/langchainjs/pull/4093) - scripts\[patch]: Revert version back to 0 by [@bracesproul](https://togithub.com/bracesproul) in [https://github.com/langchain-ai/langchainjs/pull/4101](https://togithub.com/langchain-ai/langchainjs/pull/4101) - Release `@langchain/scripts` 0.0.1 by [@bracesproul](https://togithub.com/bracesproul) in 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var77 added 6 commits November 5, 2023 16:38

Add Lantern vectorstore

bd5ce27

Make lantern collections as separate tables, fix linting

77da9a1

Update doc comment

b6ea752

Fix tests for Lantern

00d129a

Update installation url for Lantern

6a4bfcc

Remove print statement

d884e91

dosubot bot added Ɑ: vector store Related to vector store module 🤖:enhancement A large net-new component, integration, or chain. Use sparingly. The largest features labels Nov 6, 2023

var77 added 3 commits January 3, 2024 13:24

Merge with master

ea0a7a2

Move lantern to langchain_community

07be0ef

Fix formatting

8165d4c

dosubot bot added the size:XXL This PR changes 1000+ lines, ignoring generated files. label Jan 3, 2024

Fix docs

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Fix formatting

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Fix unit tests

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var77 changed the title ~~Added Lantern as VectorStore~~ community: Added Lantern as VectorStore Jan 3, 2024

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Make raw sql statements parametrized, pass hnsw params on index creation

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Add docstrings for initializer functions

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hinthornw approved these changes Jan 12, 2024

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dosubot bot added the lgtm PR looks good. Use to confirm that a PR is ready for merging. label Jan 12, 2024

hinthornw merged commit efe6cfa into langchain-ai:master Jan 12, 2024
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efriis mentioned this pull request Mar 19, 2024

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community: Added Lantern as VectorStore #12951

community: Added Lantern as VectorStore #12951

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community: Added Lantern as VectorStore #12951

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