[−][src]Struct datafusion::physical_plan::parquet::ParquetExec
Execution plan for scanning a Parquet file
Implementations
impl ParquetExec
[src]
pub fn try_new(
path: &str,
projection: Option<Vec<usize>>,
batch_size: usize
) -> Result<Self>
[src]
path: &str,
projection: Option<Vec<usize>>,
batch_size: usize
) -> Result<Self>
Create a new Parquet reader execution plan
Trait Implementations
impl Clone for ParquetExec
[src]
fn clone(&self) -> ParquetExec
[src]
fn clone_from(&mut self, source: &Self)
1.0.0[src]
impl Debug for ParquetExec
[src]
impl ExecutionPlan for ParquetExec
[src]
fn as_any(&self) -> &dyn Any
[src]
Return a reference to Any that can be used for downcasting
fn schema(&self) -> SchemaRef
[src]
fn children(&self) -> Vec<Arc<dyn ExecutionPlan>>
[src]
fn output_partitioning(&self) -> Partitioning
[src]
Get the output partitioning of this plan
fn with_new_children(
&self,
children: Vec<Arc<dyn ExecutionPlan>>
) -> Result<Arc<dyn ExecutionPlan>>
[src]
&self,
children: Vec<Arc<dyn ExecutionPlan>>
) -> Result<Arc<dyn ExecutionPlan>>
fn execute<'life0, 'async_trait>(
&'life0 self,
partition: usize
) -> Pin<Box<dyn Future<Output = Result<Box<dyn RecordBatchReader + Send>>> + Send + 'async_trait>> where
'life0: 'async_trait,
Self: 'async_trait,
[src]
&'life0 self,
partition: usize
) -> Pin<Box<dyn Future<Output = Result<Box<dyn RecordBatchReader + Send>>> + Send + 'async_trait>> where
'life0: 'async_trait,
Self: 'async_trait,
fn required_child_distribution(&self) -> Distribution
[src]
Auto Trait Implementations
impl RefUnwindSafe for ParquetExec
impl Send for ParquetExec
impl Sync for ParquetExec
impl Unpin for ParquetExec
impl UnwindSafe for ParquetExec
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
[src]
T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
[src]
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
[src]
impl<T> From<T> for T
[src]
impl<T, U> Into<U> for T where
U: From<T>,
[src]
U: From<T>,
impl<T> ToOwned for T where
T: Clone,
[src]
T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
[src]
fn clone_into(&self, target: &mut T)
[src]
impl<T, U> TryFrom<U> for T where
U: Into<T>,
[src]
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>
[src]
impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
[src]
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>
[src]
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,