Struct Statement

pub struct Statement { /* private fields */ }

A prepared statement.

Implementations

impl Statement

pub fn bind<T: Bindable>(&mut self, i: usize, value: T) -> Result<()>

Bind a value to a parameter.

The leftmost parameter has the index 1.

pub fn count(&self) -> usize

Return the number of columns.

pub fn kind(&self, i: usize) -> Type

Return the type of a column.

The type becomes available after taking a step.

pub fn name(&self, i: usize) -> String

Return the name of a column.

pub fn names(&self) -> Vec<String>

Return column names.

pub fn next(&mut self) -> Result<State>

Advance to the next state.

The function should be called multiple times until State::Done is reached in order to evaluate the statement entirely.

pub fn read<T: Readable>(&self, i: usize) -> Result<T>

Read a value from a column.

The leftmost column has the index 0.

pub fn reset(&mut self) -> Result<()>

Reset the statement.

pub fn cursor(self) -> Cursor

Upgrade to a cursor.

pub fn as_raw(&self) -> u32

Return the raw pointer.

Trait Implementations

impl<'l> Drop for Statement

fn drop(&mut self)

Executes the destructor for this type.