Struct Statement 

pub struct Statement { /* private fields */ }

A prepared statement.

Implementations

impl Statement

pub async fn query(&mut self, params: impl IntoParams) -> Result<Rows>

Query the database with this prepared statement.

pub async fn execute(&mut self, params: impl IntoParams) -> Result<u64>

Execute this prepared statement.

pub fn column_count(&self) -> usize

Returns the number of columns in the result set.

pub fn column_name(&self, idx: usize) -> Result<String>

Returns the name of the column at the given index.

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

Returns the names of all columns in the result set.

pub fn column_index(&self, name: &str) -> Result<usize>

Returns the index of the column with the given name.

pub fn columns(&self) -> Vec<Column>

Returns columns of the result of this prepared statement.

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

Reset internal statement state after previous execution so it can be reused again

pub fn n_change(&self) -> u64

Returns the number of rows modified (insert/delete operations) by the most recent executed statement.

pub async fn query_row(&mut self, params: impl IntoParams) -> Result<Row>

Execute a query that returns the first Row.

Errors

• Returns QueryReturnedNoRows if no rows were returned.

Trait Implementations

impl Clone for Statement

fn clone(&self) -> Statement

Returns a duplicate of the value.

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

Performs copy-assignment from source.