[−][src]Struct datafusion::datasource::csv::CsvBatchIterator
Iterator over CSV batches
Implementations
impl CsvBatchIterator
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pub fn try_new(
filename: &str,
schema: SchemaRef,
has_header: bool,
delimiter: Option<u8>,
projection: &Option<Vec<usize>>,
batch_size: usize
) -> Result<Self>
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filename: &str,
schema: SchemaRef,
has_header: bool,
delimiter: Option<u8>,
projection: &Option<Vec<usize>>,
batch_size: usize
) -> Result<Self>
Trait Implementations
impl RecordBatchReader for CsvBatchIterator
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fn schema(&self) -> SchemaRef
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fn next_batch(&mut self) -> ArrowResult<Option<RecordBatch>>
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Auto Trait Implementations
impl RefUnwindSafe for CsvBatchIterator
impl Send for CsvBatchIterator
impl Sync for CsvBatchIterator
impl Unpin for CsvBatchIterator
impl UnwindSafe for CsvBatchIterator
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T> Instrument for T
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fn instrument(self, span: Span) -> Instrumented<Self>
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fn in_current_span(self) -> Instrumented<Self>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> IntoRequest<T> for T
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fn into_request(self) -> Request<T>
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
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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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
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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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,
fn vzip(self) -> V
impl<T> WithSubscriber for T
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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
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S: Into<Dispatch>,