VortexOpenOptions

vortex_file

Struct VortexOpenOptions 

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pub struct VortexOpenOptions<F: FileType> { /* private fields */ }
Expand description

Open options for a Vortex file reader.

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impl VortexOpenOptions<GenericVortexFile>

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pub fn file() -> Self

Open a file using the provided VortexReadAt implementation.

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pub fn with_initial_read_size(self, initial_read_size: u64) -> Self

Configure the initial read size for the Vortex file.

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pub fn with_segment_cache(self, segment_cache: Arc<dyn SegmentCache>) -> Self

Configure a custom SegmentCache.

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pub fn without_segment_cache(self) -> Self

Disable segment caching entirely.

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pub fn with_io_concurrency(self, io_concurrency: usize) -> Self

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pub async fn open_read_at<R: VortexReadAt + Send + Sync>( self, read: R, ) -> VortexResult<VortexFile>

Low-level API for opening any VortexReadAt. Note that the user is responsible for ensuring the VortexReadAt implementation is compatible with the chosen I/O dispatcher.

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impl VortexOpenOptions<InMemoryFileType>

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pub fn in_memory() -> Self

Create open options for an in-memory Vortex file.

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pub fn open<B: Into<ByteBuffer>>(self, buffer: B) -> VortexResult<VortexFile>

Open an in-memory file contained in the provided buffer.

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impl<F: FileType> VortexOpenOptions<F>

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pub fn with_array_registry(self, registry: Arc<ArrayRegistry>) -> Self

Configure a Vortex array registry.

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pub fn with_layout_registry(self, registry: Arc<LayoutRegistry>) -> Self

Configure a Vortex array registry.

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pub fn with_file_size(self, file_size: u64) -> Self

Configure a known file size.

This helps to prevent an I/O request to discover the size of the file. Of course, all bets are off if you pass an incorrect value.

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pub fn with_dtype(self, dtype: DType) -> Self

Configure a known DType.

If this is provided, then the Vortex file may be opened with fewer I/O requests.

For Vortex files that do not contain a DType, this is required.

Configure a known file layout.

If this is provided, then the Vortex file can be opened without performing any I/O. Once open, the Footer can be accessed via crate::VortexFile::footer.

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pub fn with_metrics(self, metrics: VortexMetrics) -> Self

Configure a custom VortexMetrics.

Auto Trait Implementations§

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impl<F> Freeze for VortexOpenOptions<F>
where <F as FileType>::Options: Freeze,

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impl<F> !RefUnwindSafe for VortexOpenOptions<F>

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impl<F> Send for VortexOpenOptions<F>
where <F as FileType>::Options: Send,

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impl<F> Sync for VortexOpenOptions<F>
where <F as FileType>::Options: Sync,

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impl<F> Unpin for VortexOpenOptions<F>
where <F as FileType>::Options: Unpin,

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impl<F> !UnwindSafe for VortexOpenOptions<F>

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