lance_encoding::format

Struct ProtobufUtils

pub struct ProtobufUtils {}

Implementations§

impl ProtobufUtils

pub fn constant(value: Vec<u8>, num_values: u64) -> ArrayEncoding

pub fn basic_all_null_encoding() -> ArrayEncoding

pub fn basic_some_null_encoding( validity: ArrayEncoding, values: ArrayEncoding, ) -> ArrayEncoding

pub fn basic_no_null_encoding(values: ArrayEncoding) -> ArrayEncoding

pub fn flat_encoding( bits_per_value: u64, buffer_index: u32, compression: Option<CompressionConfig>, ) -> ArrayEncoding

pub fn bitpacked_encoding( compressed_bits_per_value: u64, uncompressed_bits_per_value: u64, buffer_index: u32, signed: bool, ) -> ArrayEncoding

pub fn bitpacked_for_non_neg_encoding( compressed_bits_per_value: u64, uncompressed_bits_per_value: u64, buffer_index: u32, ) -> ArrayEncoding

pub fn bitpack2(uncompressed_bits_per_value: u64) -> ArrayEncoding

pub fn binary_miniblock() -> ArrayEncoding

pub fn binary_block() -> ArrayEncoding

pub fn fsst_mini_block( data: ArrayEncoding, symbol_table: Vec<u8>, ) -> ArrayEncoding

pub fn packed_struct( child_encodings: Vec<ArrayEncoding>, packed_buffer_index: u32, ) -> ArrayEncoding

pub fn packed_struct_fixed_width_mini_block( data: ArrayEncoding, bits_per_values: Vec<u32>, ) -> ArrayEncoding

pub fn binary( indices_encoding: ArrayEncoding, bytes_encoding: ArrayEncoding, null_adjustment: u64, ) -> ArrayEncoding

pub fn dict_encoding( indices: ArrayEncoding, items: ArrayEncoding, num_items: u32, ) -> ArrayEncoding

pub fn fixed_size_binary(data: ArrayEncoding, byte_width: u32) -> ArrayEncoding

pub fn fixed_size_list(data: ArrayEncoding, dimension: u64) -> ArrayEncoding

pub fn fsst(data: ArrayEncoding, symbol_table: Vec<u8>) -> ArrayEncoding

pub fn repdef_layer_to_def_interp(layer: i32) -> DefinitionInterpretation

pub fn miniblock_layout( rep_encoding: ArrayEncoding, def_encoding: ArrayEncoding, value_encoding: ArrayEncoding, repetition_index_depth: u32, dictionary_encoding: Option<ArrayEncoding>, def_meaning: &[DefinitionInterpretation], num_items: u64, ) -> PageLayout

pub fn full_zip_layout( bits_rep: u8, bits_def: u8, value_encoding: ArrayEncoding, def_meaning: &[DefinitionInterpretation], ) -> PageLayout

pub fn all_null_layout(def_meaning: &[DefinitionInterpretation]) -> PageLayout

pub fn simple_all_null_layout() -> PageLayout

Auto Trait Implementations§

impl Freeze for ProtobufUtils

impl RefUnwindSafe for ProtobufUtils

impl Send for ProtobufUtils

impl Sync for ProtobufUtils

impl Unpin for ProtobufUtils

impl UnwindSafe for ProtobufUtils

Blanket Implementations§

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where T: 'static + ?Sized,

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