[−][src]Struct parquet::file::writer::SerializedRowGroupWriter
A serialized implementation for Parquet RowGroupWriter
.
Coordinates writing of a row group with column writers.
See documentation on row group writer for more information.
Methods
impl SerializedRowGroupWriter
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impl SerializedRowGroupWriter
pub fn new(
schema_descr: SchemaDescPtr,
properties: WriterPropertiesPtr,
file: &File
) -> Self
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pub fn new(
schema_descr: SchemaDescPtr,
properties: WriterPropertiesPtr,
file: &File
) -> Self
Trait Implementations
impl RowGroupWriter for SerializedRowGroupWriter
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impl RowGroupWriter for SerializedRowGroupWriter
fn next_column(&mut self) -> Result<Option<ColumnWriter>>
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fn next_column(&mut self) -> Result<Option<ColumnWriter>>
Returns the next column writer, if available; otherwise returns None
. In case of any IO error or Thrift error, or if row group writer has already been closed returns Err
. Read more
fn close_column(&mut self, column_writer: ColumnWriter) -> Result<()>
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fn close_column(&mut self, column_writer: ColumnWriter) -> Result<()>
Closes column writer that was created using next_column
method. This should be called before requesting the next column writer. Read more
fn close(&mut self) -> Result<RowGroupMetaDataPtr>
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fn close(&mut self) -> Result<RowGroupMetaDataPtr>
Closes this row group writer and returns row group metadata. After calling this method row group writer must not be used. Read more
Auto Trait Implementations
impl !Send for SerializedRowGroupWriter
impl !Send for SerializedRowGroupWriter
impl !Sync for SerializedRowGroupWriter
impl !Sync for SerializedRowGroupWriter
Blanket Implementations
impl<T> From for T
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impl<T> From for T
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T, U> TryFrom for T where
T: From<U>,
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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>
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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,
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impl<T> Borrow for T where
T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
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fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Gets the TypeId
of self
. Read more
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>,
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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>
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
try_from
)Performs the conversion.
impl<T, U> TryInto for T where
U: TryFrom<T>,
impl<T, U> TryInto for T where
U: TryFrom<T>,
impl<E> SpecializationError for E
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impl<E> SpecializationError for E
fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
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fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
🔬 This is a nightly-only experimental API. (rustc_private
)
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?
Create an error for a missing method specialization. Defaults to panicking with type, trait & method names. S
is the encoder/decoder state type, T
is the type being encoded/decoded, and the arguments are the names of the trait and method that should've been overridden. Read more
impl<T> Erased for T
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impl<T> Erased for T
impl<T> Send for T where
T: ?Sized,
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impl<T> Send for T where
T: ?Sized,
impl<T> Sync for T where
T: ?Sized,
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impl<T> Sync for T where
T: ?Sized,
impl<T> Erased for T
impl<T> Erased for T