Cargo Features
langchain-rust has no features set by default.
[dependencies]
langchain-rust = { version = "4.6.0", features = ["fastembed", "git", "mistralai", "lopdf", "pdf-extract", "ollama", "opensearch", "postgres", "qdrant", "sqlite", "surrealdb", "tree-sitter"] }- fastembed
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Enables fastembed ^4
- git = flume, gix
- mistralai = mistralai-client
-
Affects
embedding::mistralai… - lopdf
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Enables lopdf ^0.34.0
Affects
pdf_loader::lo_loader… - pdf-extract
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Enables lopdf ^0.34.0 and pdf-extract ^0.7.8
Affects
pdf_loader::pdf_extract_loader… - ollama = ollama-rs
-
Affects
embedding::ollama,ollama::client… - opensearch = aws-config
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Enables opensearch
Affects
vectorstore::opensearch… - postgres = pgvector, sqlx, uuid
-
Affects
sql::postgres,vectorstore::pgvector… - qdrant = qdrant-client, uuid
-
Affects
vectorstore::qdrant… - sqlite = sqlx
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Affects
vectorstore::sqlite_vss… - surrealdb
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Enables surrealdb
Affects
vectorstore::surrealdb… - tree-sitter = cc
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Enables tree-sitter ^0.24, tree-sitter-c ^0.23, tree-sitter-cpp, tree-sitter-go ^0.23, tree-sitter-javascript ^0.23, tree-sitter-python ^0.23, tree-sitter-rust ^0.23, and tree-sitter-typescript
Features from optional dependencies
In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.
- sqlx postgres? sqlite?
- uuid postgres? qdrant?
- pgvector postgres?
- flume git?
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Enables flume ^0.11.0
- gix git?
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Enables gix ^0.66.0
- aws-config opensearch?
- qdrant-client qdrant?
- ollama-rs ollama?
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Enables ollama-rs ^0.2.0
- mistralai-client mistralai?
- cc build tree-sitter?