Struct GroupValuesBoolean 

pub struct GroupValuesBoolean {
    false_group: Option<usize>,
    true_group: Option<usize>,
    null_group: Option<usize>,
}

Fields

false_group: Option<usize>

true_group: Option<usize>

null_group: Option<usize>

Implementations

impl GroupValuesBoolean

pub fn new() -> Self

Trait Implementations

impl Debug for GroupValuesBoolean

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl GroupValues for GroupValuesBoolean

fn intern(&mut self, cols: &[ArrayRef], groups: &mut Vec<usize>) -> Result<()>

Calculates the group id for each input row of cols, assigning new group ids as necessary.

fn size(&self) -> usize

Returns the number of bytes of memory used by this GroupValues

fn is_empty(&self) -> bool

Returns true if this GroupValues is empty

fn len(&self) -> usize

The number of values (distinct group values) stored in this GroupValues

fn emit(&mut self, emit_to: EmitTo) -> Result<Vec<ArrayRef>>

Emits the group values

fn clear_shrink(&mut self, _batch: &RecordBatch)

Clear the contents and shrink the capacity to the size of the batch (free up memory usage)