Struct DataChunkBuilder 

pub struct DataChunkBuilder { /* private fields */ }

Builder for creating DataChunks row by row.

Implementations

impl DataChunkBuilder

pub fn with_schema(column_types: &[LogicalType]) -> Self

Creates a new builder with the given schema.

pub fn with_capacity(column_types: &[LogicalType], capacity: usize) -> Self

Creates a new builder with the given schema and capacity.

pub fn new(column_types: &[LogicalType]) -> Self

Alias for with_schema for backward compatibility.

pub fn row_count(&self) -> usize

Returns the current row count.

pub fn is_full(&self) -> bool

Returns true if the builder is full.

pub fn column_mut(&mut self, index: usize) -> Option<&mut ValueVector>

Gets a mutable column for appending values.

pub fn advance_row(&mut self)

Increments the row count.

pub fn finish(self) -> DataChunk

Finishes building and returns the chunk.

pub fn reset(&mut self)

Resets the builder for reuse.