Trait Query 

pub trait Query<'s>: Parameters<'s> {
    type Output;

    // Required methods
    fn prepare(connection: &Connection) -> Result<Statement<'_>>;
    fn output<'c: 's>(execution: Execution<'c, 's>) -> Result<Self::Output>;
}

A SQL query which can prepare itself into a Statement, bind itself as Parameters to the statement (if any), and read any desired output from the statement execution.

Required Associated Types

type Output

Required Methods

fn prepare(connection: &Connection) -> Result<Statement<'_>>

Prepare a Statement to execute the Query.

fn output<'c: 's>(execution: Execution<'c, 's>) -> Result<Self::Output>

Fetch the desired Query output from the Statement.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors