pub struct IpcWriteOptions {
alignment: u8,
write_legacy_ipc_format: bool,
metadata_version: MetadataVersion,
batch_compression_type: Option<CompressionType>,
preserve_dict_id: bool,
}
Expand description
IPC write options used to control the behaviour of the IpcDataGenerator
Fields§
§alignment: u8
§write_legacy_ipc_format: bool
§metadata_version: MetadataVersion
§batch_compression_type: Option<CompressionType>
§preserve_dict_id: bool
Implementations§
§impl IpcWriteOptions
impl IpcWriteOptions
pub fn try_with_compression(
self,
batch_compression_type: Option<CompressionType>,
) -> Result<IpcWriteOptions, ArrowError>
pub fn try_with_compression( self, batch_compression_type: Option<CompressionType>, ) -> Result<IpcWriteOptions, ArrowError>
Configures compression when writing IPC files.
Will result in a runtime error if the corresponding feature is not enabled
pub fn try_new(
alignment: usize,
write_legacy_ipc_format: bool,
metadata_version: MetadataVersion,
) -> Result<IpcWriteOptions, ArrowError>
pub fn try_new( alignment: usize, write_legacy_ipc_format: bool, metadata_version: MetadataVersion, ) -> Result<IpcWriteOptions, ArrowError>
Try to create IpcWriteOptions, checking for incompatible settings
pub fn preserve_dict_id(&self) -> bool
pub fn preserve_dict_id(&self) -> bool
Return whether the writer is configured to preserve the dictionary IDs defined in the schema
pub fn with_preserve_dict_id(self, preserve_dict_id: bool) -> IpcWriteOptions
pub fn with_preserve_dict_id(self, preserve_dict_id: bool) -> IpcWriteOptions
Set whether the IPC writer should preserve the dictionary IDs in the schema or auto-assign unique dictionary IDs during encoding (defaults to true)
If this option is true, the application must handle assigning ids to the dictionary batches in order to encode them correctly
The default will change to false
in future releases
Trait Implementations§
§impl Clone for IpcWriteOptions
impl Clone for IpcWriteOptions
§fn clone(&self) -> IpcWriteOptions
fn clone(&self) -> IpcWriteOptions
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read more§impl Debug for IpcWriteOptions
impl Debug for IpcWriteOptions
§impl Default for IpcWriteOptions
impl Default for IpcWriteOptions
§fn default() -> IpcWriteOptions
fn default() -> IpcWriteOptions
Returns the “default value” for a type. Read more
Auto Trait Implementations§
impl Freeze for IpcWriteOptions
impl RefUnwindSafe for IpcWriteOptions
impl Send for IpcWriteOptions
impl Sync for IpcWriteOptions
impl Unpin for IpcWriteOptions
impl UnwindSafe for IpcWriteOptions
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