Struct QueryResult 

pub struct QueryResult {
    pub rows: Vec<Row>,
    pub columns: Vec<String>,
    pub n_rows: usize,
}

The result of executing a DataQuery.

Fields

rows: Vec<Row>

All matching rows after projection, filtering, ordering and limiting.

columns: Vec<String>

Column names present in the result rows (in projection order).

n_rows: usize

Total number of result rows (equals rows.len()).

Implementations

impl QueryResult

pub fn iter(&self) -> impl Iterator<Item = &Row>

Iterate over the rows.

impl QueryResult

pub fn agg(&self) -> Aggregations<'_>

Return an Aggregations helper bound to this result.

pub fn group_by(self, column: &str) -> GroupedResult

Group rows by the string representation of the given column’s values.

Trait Implementations

impl Clone for QueryResult

fn clone(&self) -> QueryResult

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryResult

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

Formats the value using the given formatter.