Struct parquet::schema::types::SchemaDescriptor [−][src]
pub struct SchemaDescriptor { /* fields omitted */ }
Expand description
A schema descriptor. This encapsulates the top-level schemas for all the columns, as well as all descriptors for all the primitive columns.
Implementations
impl SchemaDescriptor
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impl SchemaDescriptor
[src]pub fn column(&self, i: usize) -> ColumnDescPtr
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pub fn column(&self, i: usize) -> ColumnDescPtr
[src]Returns ColumnDescriptor
for a field position.
pub fn columns(&self) -> &[ColumnDescPtr]
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pub fn columns(&self) -> &[ColumnDescPtr]
[src]Returns slice of ColumnDescriptor
.
pub fn num_columns(&self) -> usize
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pub fn num_columns(&self) -> usize
[src]Returns number of leaf-level columns.
pub fn get_column_root(&self, i: usize) -> &Type
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pub fn get_column_root(&self, i: usize) -> &Type
[src]Returns column root Type
for a field position.
pub fn get_column_root_ptr(&self, i: usize) -> TypePtr
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pub fn get_column_root_ptr(&self, i: usize) -> TypePtr
[src]Returns column root Type
pointer for a field
position.
pub fn root_schema(&self) -> &Type
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pub fn root_schema(&self) -> &Type
[src]Returns schema as Type
.
pub fn root_schema_ptr(&self) -> TypePtr
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Trait Implementations
Auto Trait Implementations
impl RefUnwindSafe for SchemaDescriptor
impl Send for SchemaDescriptor
impl Sync for SchemaDescriptor
impl Unpin for SchemaDescriptor
impl UnwindSafe for SchemaDescriptor
Blanket Implementations
impl<T> BorrowMut<T> for T where
T: ?Sized,
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impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]pub fn borrow_mut(&mut self) -> &mut T
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pub fn borrow_mut(&mut self) -> &mut T
[src]Mutably borrows from an owned value. Read more
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,