pub enum ColumnWriter<'a> {
BoolColumnWriter(ColumnWriterImpl<'a, BoolType>),
Int32ColumnWriter(ColumnWriterImpl<'a, Int32Type>),
Int64ColumnWriter(ColumnWriterImpl<'a, Int64Type>),
Int96ColumnWriter(ColumnWriterImpl<'a, Int96Type>),
FloatColumnWriter(ColumnWriterImpl<'a, FloatType>),
DoubleColumnWriter(ColumnWriterImpl<'a, DoubleType>),
ByteArrayColumnWriter(ColumnWriterImpl<'a, ByteArrayType>),
FixedLenByteArrayColumnWriter(ColumnWriterImpl<'a, FixedLenByteArrayType>),
}Expand description
Column writer for a Parquet type.
Variants§
BoolColumnWriter(ColumnWriterImpl<'a, BoolType>)
Column writer for boolean type
Int32ColumnWriter(ColumnWriterImpl<'a, Int32Type>)
Column writer for int32 type
Int64ColumnWriter(ColumnWriterImpl<'a, Int64Type>)
Column writer for int64 type
Int96ColumnWriter(ColumnWriterImpl<'a, Int96Type>)
Column writer for int96 (timestamp) type
FloatColumnWriter(ColumnWriterImpl<'a, FloatType>)
Column writer for float type
DoubleColumnWriter(ColumnWriterImpl<'a, DoubleType>)
Column writer for double type
ByteArrayColumnWriter(ColumnWriterImpl<'a, ByteArrayType>)
Column writer for byte array type
FixedLenByteArrayColumnWriter(ColumnWriterImpl<'a, FixedLenByteArrayType>)
Column writer for fixed length byte array type
Implementations§
Source§impl ColumnWriter<'_>
impl ColumnWriter<'_>
Sourcepub(crate) fn memory_size(&self) -> usize
pub(crate) fn memory_size(&self) -> usize
Returns the estimated total memory usage
Sourcepub(crate) fn get_estimated_total_bytes(&self) -> u64
pub(crate) fn get_estimated_total_bytes(&self) -> u64
Returns the estimated total encoded bytes for this column writer
Sourcepub fn close(self) -> Result<ColumnCloseResult>
pub fn close(self) -> Result<ColumnCloseResult>
Close this ColumnWriter
Auto Trait Implementations§
impl<'a> !Freeze for ColumnWriter<'a>
impl<'a> !RefUnwindSafe for ColumnWriter<'a>
impl<'a> Send for ColumnWriter<'a>
impl<'a> !Sync for ColumnWriter<'a>
impl<'a> Unpin for ColumnWriter<'a>
impl<'a> !UnwindSafe for ColumnWriter<'a>
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
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more