Struct rusqlite::types::Null

pub struct Null;

Empty struct that can be used to fill in a query parameter as NULL.

Example

fn main() {
}
fn insert_null(conn: &Connection) -> Result<c_int> {
    conn.execute("INSERT INTO people (name) VALUES (?)", &[&Null])
}

Trait Implementations

impl From<Null> for Value

fn from(_: Null) -> Value

Performs the conversion.

impl ToSql for Null

fn to_sql(&self) -> Result<ToSqlOutput>

impl Copy for Null

impl Clone for Null

fn clone(&self) -> Null

Returns a copy of the value.

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

Performs copy-assignment from source.