INNER CODE UNIT · Rust

query_row_and_then

rusqlite/rusqlite · src/lib.rs:760

    pub fn query_row_and_then<T, E, P, F>(&self, sql: &str, params: P, f: F) -> Result<T, E>
    where
        P: Params,
        F: FnOnce(&Row<'_>) -> Result<T, E>,
        E: From<Error>,
    {
        let mut stmt = self.prepare(sql)?;
        let mut rows = stmt.query(params)?;

        rows.get_expected_row().map_err(E::from).and_then(f)
    }

    /// Prepare a SQL statement for execution.
    ///
    /// ## Example
    ///
    /// ```rust,no_run
    /// # use rusqlite::{Connection, Result};

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