Struct Query 

pub struct Query { /* private fields */ }

A statement and its parameters, before either driver has seen it.

Implementations

impl Query

pub fn bind(self, value: impl Bind) -> Self

Appends one parameter, in the order its ? appears.

pub fn sql_for(&self, dialect: Dialect) -> String

The SQL as this query would send it to dialect, for tests and for the placeholder audit.

pub async fn execute<'a>( self, exec: impl Into<Exec<'a>>, ) -> Result<QueryResult, Error>

Runs a statement that returns no rows.

pub async fn fetch_one<'a>( self, exec: impl Into<Exec<'a>>, ) -> Result<Row, Error>

Runs a statement expecting exactly one row.

pub async fn fetch_optional<'a>( self, exec: impl Into<Exec<'a>>, ) -> Result<Option<Row>, Error>

Runs a statement expecting at most one row.

pub async fn fetch_all<'a>( self, exec: impl Into<Exec<'a>>, ) -> Result<Vec<Row>, Error>

Runs a statement returning any number of rows.