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PostgresVectorStore

rig_postgres

Struct PostgresVectorStore 

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pub struct PostgresVectorStore<Model: EmbeddingModel> { /* private fields */ }

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impl<Model> PostgresVectorStore<Model>
where Model: EmbeddingModel,

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pub fn new( model: Model, pg_pool: PgPool, documents_table: Option<String>, distance_function: PgVectorDistanceFunction, ) -> Self

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pub fn with_defaults(model: Model, pg_pool: PgPool) -> Self

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impl<Model> InsertDocuments for PostgresVectorStore<Model>
where Model: EmbeddingModel + Send + Sync,

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async fn insert_documents<Doc: Serialize + Embed + Send>( &self, documents: Vec<(Doc, OneOrMany<Embedding>)>, ) -> Result<(), VectorStoreError>

Insert precomputed embeddings for each document.
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impl<Model> VectorStoreIndex for PostgresVectorStore<Model>
where Model: EmbeddingModel,

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async fn top_n<T: for<'a> Deserialize<'a> + Send>( &self, req: VectorSearchRequest<PgSearchFilter>, ) -> Result<Vec<(f64, String, T)>, VectorStoreError>

Get the top n documents based on the distance to the given query. The result is a list of tuples of the form (score, id, document)

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async fn top_n_ids( &self, req: VectorSearchRequest<PgSearchFilter>, ) -> Result<Vec<(f64, String)>, VectorStoreError>

Same as top_n but returns the document ids only.

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type Filter = PgSearchFilter

The filter type for this backend.

Auto Trait Implementations§

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impl<Model> !RefUnwindSafe for PostgresVectorStore<Model>

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impl<Model> !UnwindSafe for PostgresVectorStore<Model>

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impl<Model> Freeze for PostgresVectorStore<Model>
where Model: Freeze,

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impl<Model> Send for PostgresVectorStore<Model>

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impl<Model> Sync for PostgresVectorStore<Model>

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impl<Model> Unpin for PostgresVectorStore<Model>
where Model: Unpin,

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impl<Model> UnsafeUnpin for PostgresVectorStore<Model>
where Model: UnsafeUnpin,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
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Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, F> Tool for T
where F: SearchFilter<Value = Value> + WasmCompatSend + WasmCompatSync + for<'de> Deserialize<'de>, T: VectorStoreIndex<Filter = F>,

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const NAME: &'static str = "search_vector_store"

The name of the tool. This name should be unique within a single ToolSet or other registration scope that dispatches tools by name.
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type Error = VectorStoreError

The error type of the tool.
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type Args = VectorSearchRequest<F>

The arguments type of the tool.
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type Output = Vec<VectorStoreOutput>

The output type of the tool.
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fn description(&self) -> String

Model-facing description of what the tool does.
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fn parameters(&self) -> Value

JSON Schema for the tool arguments.
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async fn call( &self, args: <T as Tool>::Args, ) -> Result<<T as Tool>::Output, <T as Tool>::Error>

The tool execution method. Both the arguments and return value are a String since these values are meant to be the output and input of LLM models (respectively)
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fn name(&self) -> String

A method returning the name of the tool.
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fn call_with_extensions( &self, args: Self::Args, _extensions: &ToolCallExtensions, ) -> impl Future<Output = Result<Self::Output, Self::Error>> + WasmCompatSend

Tool execution with per-call runtime extensions. Read more
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fn classify_error(&self, error: &Self::Error) -> ToolFailure

Classify an error returned by this tool into a structured ToolFailure. Read more
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fn call_structured( &self, args: Self::Args, extensions: &ToolCallExtensions, ) -> impl Future<Output = Result<ToolReturn<Self::Output>, Self::Error>> + WasmCompatSend

Execute the tool, returning a structured ToolReturn instead of a bare output. Read more
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impl<T> ToolDyn for T
where T: Tool,

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fn call_structured<'a>( &'a self, args: String, extensions: &'a ToolCallExtensions, ) -> Pin<Box<dyn Future<Output = ToolExecutionResult> + Send + 'a>>

Routes through Tool::call_structured so rich returns (ToolReturn) and Tool::classify_error are honored: a JSON argument parse failure becomes an InvalidArgs outcome, a returned Err(Self::Error) is classified, and a successful ToolReturn is serialized while preserving its outcome and extensions.

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fn name(&self) -> String

Returns the tool name used for dispatch and provider advertisement.
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fn description(&self) -> String

Model-facing description of what the tool does.
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fn parameters(&self) -> Value

JSON Schema for the tool arguments.
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fn call<'a>( &'a self, args: String, ) -> Pin<Box<dyn Future<Output = Result<String, ToolError>> + Send + 'a>>

Calls the tool with JSON-encoded arguments and returns model-facing text.
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fn call_with_extensions<'a>( &'a self, args: String, extensions: &'a ToolCallExtensions, ) -> Pin<Box<dyn Future<Output = Result<String, ToolError>> + Send + 'a>>

Dynamic dispatch variant of tool execution with per-call runtime extensions. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<I, F> VectorStoreIndexDyn for I
where I: VectorStoreIndex<Filter = F>, F: Debug + Clone + SearchFilter<Value = Value> + WasmCompatSend + WasmCompatSync + Serialize + for<'de> Deserialize<'de> + 'static,

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fn top_n<'a>( &'a self, req: VectorSearchRequest, ) -> Pin<Box<dyn Future<Output = Result<Vec<(f64, String, Value)>, VectorStoreError>> + Send + 'a>>

Returns the top N documents for a JSON-serializable request.
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fn top_n_ids<'a>( &'a self, req: VectorSearchRequest, ) -> Pin<Box<dyn Future<Output = Result<Vec<(f64, String)>, VectorStoreError>> + Send + 'a>>

Returns only the top N document IDs for a JSON-serializable request.
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impl<T> WasmCompatSend for T
where T: Send,

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impl<T> WasmCompatSync for T
where T: Sync,

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

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where S: Into<Dispatch>,

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