[−][src]Struct datafusion::datasource::parquet::ParquetTable
Table-based representation of a ParquetFile.
Implementations
impl ParquetTable[src]
pub fn try_new(path: &str, max_concurrency: usize) -> Result<Self>[src]
Attempt to initialize a new ParquetTable from a file path.
pub fn path(&self) -> &str[src]
Get the path for the Parquet file(s) represented by this ParquetTable instance
Trait Implementations
impl TableProvider for ParquetTable[src]
fn as_any(&self) -> &dyn Any[src]
fn schema(&self) -> SchemaRef[src]
Get the schema for this parquet file.
fn scan(
&self,
projection: &Option<Vec<usize>>,
batch_size: usize,
_filters: &[Expr]
) -> Result<Arc<dyn ExecutionPlan>>[src]
&self,
projection: &Option<Vec<usize>>,
batch_size: usize,
_filters: &[Expr]
) -> Result<Arc<dyn ExecutionPlan>>
Scan the file(s), using the provided projection, and return one BatchIterator per partition.
fn statistics(&self) -> Statistics[src]
fn supports_filter_pushdown(
&self,
_filter: &Expr
) -> Result<TableProviderFilterPushDown>[src]
&self,
_filter: &Expr
) -> Result<TableProviderFilterPushDown>
Auto Trait Implementations
impl RefUnwindSafe for ParquetTable[src]
impl Send for ParquetTable[src]
impl Sync for ParquetTable[src]
impl Unpin for ParquetTable[src]
impl UnwindSafe for ParquetTable[src]
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,
pub 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> Pointable for T
pub const ALIGN: usize
type Init = T
The type for initializers.
pub unsafe fn init(init: <T as Pointable>::Init) -> usize
pub unsafe fn deref<'a>(ptr: usize) -> &'a T
pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T
pub unsafe fn drop(ptr: usize)
impl<T> Same<T> for T
type Output = T
Should always be Self
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.
pub 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.
pub 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>,