pub struct RowGroupMeta {
pub row_start: u64,
pub row_count: u64,
pub compressed_size: u64,
pub column_chunks: Vec<ColumnChunkMeta>,
pub checksum: Option<u32>,
}Expand description
RowGroup 単位のメタデータ。
Fields§
§row_start: u64RowGroup の開始行インデックス。
row_count: u64RowGroup 内の行数。
compressed_size: u64RowGroup 圧縮サイズ。
column_chunks: Vec<ColumnChunkMeta>カラムチャンクメタデータ。
checksum: Option<u32>checksum_scope = Chunk の場合のチェックサム。
Trait Implementations§
Source§impl Clone for RowGroupMeta
impl Clone for RowGroupMeta
Source§fn clone(&self) -> RowGroupMeta
fn clone(&self) -> RowGroupMeta
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for RowGroupMeta
impl Debug for RowGroupMeta
Source§impl<'de> Deserialize<'de> for RowGroupMeta
impl<'de> Deserialize<'de> for RowGroupMeta
Source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
Source§impl PartialEq for RowGroupMeta
impl PartialEq for RowGroupMeta
Source§impl Serialize for RowGroupMeta
impl Serialize for RowGroupMeta
impl StructuralPartialEq for RowGroupMeta
Auto Trait Implementations§
impl Freeze for RowGroupMeta
impl RefUnwindSafe for RowGroupMeta
impl Send for RowGroupMeta
impl Sync for RowGroupMeta
impl Unpin for RowGroupMeta
impl UnsafeUnpin for RowGroupMeta
impl UnwindSafe for RowGroupMeta
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more