Method query

postgres/examples/execute.rs:63–72

(self, cli: &'c Client)

            Ok(RowStreamOwned::from(stream))
        }
    }

    // use the new type to prepare and execute a statement.
    let row_affected = PrepareAndExecute {
        stmt: "SELECT 1",
        types: &[],
    }
    .execute(&cli)
    .await?;
    assert_eq!(row_affected, 1);

    // use the new type to prepare and query a statement
    let rows = PrepareAndExecute {