Struct ResultSet 

pub struct ResultSet { /* private fields */ }

Database query result set

Implementations

impl ResultSet

pub fn new(columns: Vec<String>) -> Self

pub fn add_row(&mut self, row: Row)

pub fn rows(&self) -> &[Row]

pub fn columns(&self) -> &[String]

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn execution_time(&self) -> Duration

pub fn set_execution_time(&mut self, time: Duration)

pub fn to_array2(&self) -> Result<Array2<f64>, DatabaseError>

Convert result set to ndarray Array2<f64> for ML processing

pub fn column_to_array1( &self, column: &str, ) -> Result<Array1<f64>, DatabaseError>

Convert specific column to Array1<f64>

pub fn unique_values(&self, column: &str) -> Result<Vec<Value>, DatabaseError>

Get unique values from a column

Trait Implementations

impl Clone for ResultSet

fn clone(&self) -> ResultSet

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ResultSet

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

Formats the value using the given formatter.