[−][src]Struct parquet::file::reader::SerializedFileReader
A serialized implementation for Parquet FileReader
.
Methods
impl<R: ParquetReader> SerializedFileReader<R>
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impl<R: ParquetReader> SerializedFileReader<R>
pub fn new(reader: R) -> Result<Self>
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pub fn new(reader: R) -> Result<Self>
Creates file reader from a Parquet file. Returns error if Parquet file does not exist or is corrupt.
Trait Implementations
impl<R: 'static + ParquetReader> FileReader for SerializedFileReader<R>
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impl<R: 'static + ParquetReader> FileReader for SerializedFileReader<R>
fn metadata(&self) -> ParquetMetaDataPtr
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fn metadata(&self) -> ParquetMetaDataPtr
fn num_row_groups(&self) -> usize
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fn num_row_groups(&self) -> usize
fn get_row_group(&self, i: usize) -> Result<Box<dyn RowGroupReader>>
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fn get_row_group(&self, i: usize) -> Result<Box<dyn RowGroupReader>>
fn get_row_iter(&self, projection: Option<SchemaType>) -> Result<RowIter>
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fn get_row_iter(&self, projection: Option<SchemaType>) -> Result<RowIter>
impl TryFrom<File> for SerializedFileReader<File>
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impl TryFrom<File> for SerializedFileReader<File>
type Error = ParquetError
🔬 This is a nightly-only experimental API. (
try_from
)The type returned in the event of a conversion error.
fn try_from(file: File) -> Result<Self>
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fn try_from(file: File) -> Result<Self>
impl<'a> TryFrom<&'a Path> for SerializedFileReader<File>
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impl<'a> TryFrom<&'a Path> for SerializedFileReader<File>
type Error = ParquetError
🔬 This is a nightly-only experimental API. (
try_from
)The type returned in the event of a conversion error.
fn try_from(path: &Path) -> Result<Self>
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fn try_from(path: &Path) -> Result<Self>
impl TryFrom<String> for SerializedFileReader<File>
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impl TryFrom<String> for SerializedFileReader<File>
type Error = ParquetError
🔬 This is a nightly-only experimental API. (
try_from
)The type returned in the event of a conversion error.
fn try_from(path: String) -> Result<Self>
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fn try_from(path: String) -> Result<Self>
impl<'a> TryFrom<&'a str> for SerializedFileReader<File>
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impl<'a> TryFrom<&'a str> for SerializedFileReader<File>
Auto Trait Implementations
impl<R> !Send for SerializedFileReader<R>
impl<R> !Send for SerializedFileReader<R>
impl<R> !Sync for SerializedFileReader<R>
impl<R> !Sync for SerializedFileReader<R>
Blanket Implementations
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> From for T
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impl<T> From for 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 = !
🔬 This is a nightly-only experimental API. (
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>
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
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
🔬 This is a nightly-only experimental API. (
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>
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
impl<E> SpecializationError for E
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impl<E> SpecializationError for E
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
impl<T, U> TryInto for T where
U: TryFrom<T>,
impl<T, U> TryInto for T where
U: TryFrom<T>,