Struct StringAggState 

pub struct StringAggState {
    pub values: Vec<String>,
    pub separator: String,
}

State for STRING_AGG aggregation

Fields

values: Vec<String>

separator: String

Implementations

impl StringAggState

pub fn new(separator: &str) -> Self

pub fn add(&mut self, value: &DataValue) -> Result<()>

pub fn finalize(self) -> DataValue

Trait Implementations

impl Clone for StringAggState

fn clone(&self) -> StringAggState

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for StringAggState

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

Formats the value using the given formatter.

impl Default for StringAggState

fn default() -> Self

Returns the “default value” for a type.