mongodb_cursor_pagination

Struct PaginatedCursor

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pub struct PaginatedCursor { /* private fields */ }
Expand description

The main entry point for finding documents

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impl PaginatedCursor

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pub fn new( options: Option<FindOptions>, cursor: Option<String>, direction: Option<CursorDirections>, ) -> Self

Updates or creates all of the find options to help with pagination and returns a PaginatedCursor object.

§Arguments
  • options - Optional find options that you would like to perform any searches with
  • cursor - An optional existing cursor in base64. This would have come from a previous FindResult<T>
  • direction - Determines whether the cursor supplied is for a previous page or the next page. Defaults to Next
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pub async fn estimated_document_count<T>( &self, collection: &Collection<T>, ) -> Result<u64, CursorError>

Estimates the number of documents in the collection using collection metadata.

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pub async fn count_documents<T>( &self, collection: &Collection<T>, query: Option<&Document>, ) -> Result<u64, CursorError>

Gets the number of documents matching filter. Note that using PaginatedCursor::estimated_document_count is recommended instead of this method is most cases.

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pub async fn find<T>( &self, collection: &Collection<Document>, filter: Option<&Document>, ) -> Result<FindResult<T>, CursorError>
where T: DeserializeOwned + Sync + Send + Unpin + Clone,

Finds the documents in the collection matching filter.

Trait Implementations§

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impl Debug for PaginatedCursor

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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