Struct SliceBinTableHDU 

pub struct SliceBinTableHDU { /* private fields */ }

A binary table HDU backed by a buffer rather than a file.

Implementations

impl SliceBinTableHDU

pub fn from_table( table: &BinTable, ) -> Result<Self, Box<dyn Error + Send + Sync>>

An HDU holding table and nothing read from a buffer.

Trait Implementations

impl BinTableHDU for SliceBinTableHDU

fn table_data_bytes_len(&self) -> u64

How many bytes the rows occupy, not counting the heap.

fn read_table(&self) -> Result<BinTable, Box<dyn Error + Send + Sync>>

Reads the whole table into memory.

fn set_table( &mut self, table: &BinTable, ) -> Result<(), Box<dyn Error + Send + Sync>>

Replaces this HDU’s table.

fn read_rows<T: DeserializeOwned + Send + Sync>( &self, ) -> Result<Vec<T>, Box<dyn Error + Send + Sync>>

Available on crate feature serde only.

Reads every row into T, matching columns to fields by their TTYPEn names.

fn stream_table_rows_raw( &self, ) -> Result<BoxStream<'_, OwnedRow>, Box<dyn Error + Send + Sync>>

Available on crate feature tokio only.

Streams the table one row at a time, without holding the whole thing in memory.

fn stream_table_rows<T: DeserializeOwned + Send + Sync>( &self, ) -> Result<BoxStream<'_, Result<T>>, Box<dyn Error + Send + Sync>>

Available on crate features serde and tokio only.

Streams the table as deserialised rows of T.

fn is_compressed_image(&self) -> bool

Whether this table holds a compressed image rather than a table of its own.

fn read_compressed_image( &self, ) -> Result<Option<Image>, Box<dyn Error + Send + Sync>>

Decompresses the image this table stands for.

fn set_rows<T: Serialize>( &mut self, rows: &T, ) -> Result<(), Box<dyn Error + Send + Sync>>

Available on crate feature serde only.

Serialises rows and stores the result, as to_bin_table followed by set_table.

impl Clone for SliceBinTableHDU

fn clone(&self) -> SliceBinTableHDU

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SliceBinTableHDU

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

Formats the value using the given formatter.

impl HDU for SliceBinTableHDU

fn header(&self) -> &Header

This HDU’s header.

fn header_mut(&mut self) -> &mut Header

This HDU’s header, to be changed.

fn byte_size(&self) -> u64

Total size of this HDU in bytes. Including both header and data, and aligned to the Fits blocks.