[−][src]Struct parquet::file::metadata::RowGroupMetaData
Metadata for a row group.
Methods
impl RowGroupMetaData[src]
impl RowGroupMetaDatapub fn builder(schema_descr: SchemaDescPtr) -> RowGroupMetaDataBuilder[src]
pub fn builder(schema_descr: SchemaDescPtr) -> RowGroupMetaDataBuilderReturns builer for row group metadata.
pub fn num_columns(&self) -> usize[src]
pub fn num_columns(&self) -> usizeNumber of columns in this row group.
pub fn column(&self, i: usize) -> &ColumnChunkMetaData[src]
pub fn column(&self, i: usize) -> &ColumnChunkMetaDataReturns column chunk metadata for ith column.
pub fn columns(&self) -> &[ColumnChunkMetaDataPtr][src]
pub fn columns(&self) -> &[ColumnChunkMetaDataPtr]Returns slice of column chunk metadata Rc pointers.
pub fn num_rows(&self) -> i64[src]
pub fn num_rows(&self) -> i64Number of rows in this row group.
pub fn total_byte_size(&self) -> i64[src]
pub fn total_byte_size(&self) -> i64Total byte size of all uncompressed column data in this row group.
pub fn schema_descr(&self) -> &SchemaDescriptor[src]
pub fn schema_descr(&self) -> &SchemaDescriptorReturns reference to a schema descriptor.
pub fn schema_descr_ptr(&self) -> SchemaDescPtr[src]
pub fn schema_descr_ptr(&self) -> SchemaDescPtrReturns reference counted clone of schema descriptor.
pub fn from_thrift(
schema_descr: SchemaDescPtr,
rg: RowGroup
) -> Result<RowGroupMetaData>[src]
pub fn from_thrift(
schema_descr: SchemaDescPtr,
rg: RowGroup
) -> Result<RowGroupMetaData>Method to convert from Thrift.
pub fn to_thrift(&self) -> RowGroup[src]
pub fn to_thrift(&self) -> RowGroupMethod to convert to Thrift.
Auto Trait Implementations
impl !Send for RowGroupMetaData
impl !Send for RowGroupMetaDataimpl !Sync for RowGroupMetaData
impl !Sync for RowGroupMetaDataBlanket Implementations
impl<T, U> Into for T where
U: From<T>, [src]
impl<T, U> Into for T where
U: From<T>, impl<T> From for T[src]
impl<T> From for Timpl<T, U> TryFrom for T where
T: From<U>, [src]
impl<T, U> TryFrom for T where
T: From<U>, type Error = !
try_from)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>try_from)Performs the conversion.
impl<T> Borrow for T where
T: ?Sized, [src]
impl<T> Borrow for T where
T: ?Sized, impl<T, U> TryInto for T where
U: TryFrom<T>, [src]
impl<T, U> TryInto for T where
U: TryFrom<T>, type Error = <U as TryFrom<T>>::Error
try_from)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>try_from)Performs the conversion.
impl<T> BorrowMut for T where
T: ?Sized, [src]
impl<T> BorrowMut for T where
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this method will likely be replaced by an associated static
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impl<E> SpecializationError for Efn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized, [src]
fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
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this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?
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