stringqb/src/drivers/sqlite.rs

//! Database Driver for SQLite
//!
//! Use of this driver requires enabling the `sqlite` feature.
//!
//! Contains database-specific query data
use super::*;

use slite::{Connection};
use std::cell::RefCell;

/// The struct implementing the `DatabaseDriver` trait
#[derive(Debug)]
pub struct SQLiteDriver {
    connection: RefCell<Option<Connection>>
}

impl SQLiteDriver {
    /// Create an SQLiteDriver driver
    pub fn new() -> Self {
        SQLiteDriver {
            connection: RefCell::new(None)
        }
    }
}

impl DatabaseDriver for SQLiteDriver {
//    fn query(&self, sql: &str) -> Result<(), ()> {
//        unimplemented!();
//    }

    fn explain(&self, sql: &str) -> String {
        format!("EXPLAIN QUERY PLAN {}", sql)
    }

    fn random(&self) -> String {
        String::from(" RANDOM()")
    }
}