Struct DataChunkHandle 

pub struct DataChunkHandle { /* private fields */ }

Handle to the DataChunk in DuckDB.

Implementations

impl DataChunkHandle

pub fn new(logical_types: &[LogicalTypeHandle]) -> Self

Create a new DataChunkHandle with the given LogicalTypeHandles.

pub fn flat_vector(&self, idx: usize) -> FlatVector

Get the vector at the specific column index: idx.

pub fn list_vector(&self, idx: usize) -> ListVector

Get a list vector from the column index.

pub fn array_vector(&self, idx: usize) -> ArrayVector

Get a array vector from the column index.

pub fn struct_vector(&self, idx: usize) -> StructVector

Get struct vector at the column index: idx.

pub fn set_len(&self, new_len: usize)

Set the size of the data chunk

pub fn len(&self) -> usize

Get the length / the number of rows in this DataChunkHandle.

pub fn is_empty(&self) -> bool

Check whether this DataChunkHandle is empty.

pub fn num_columns(&self) -> usize

Get the number of columns in this DataChunkHandle.

pub fn get_ptr(&self) -> duckdb_data_chunk

Get the ptr of duckdb_data_chunk in this DataChunkHandle.

Trait Implementations

impl Drop for DataChunkHandle

fn drop(&mut self)

Executes the destructor for this type.