rust sqlite implementation

rust-gist-medium-monitoring-hadoop-job-5.rs

pub struct DbContext<'a> {
    pub conn: &'a SqliteConnection,
}

impl<'a> DbContext<'a> {
    pub fn new(conn: &'a SqliteConnection) -> Self {
        return DbContext { conn };
    }
    pub fn count(&mut self) -> Result<i64, Error> {
        let app_count: i64 = apps.count().get_result(self.conn)?;
        Ok(app_count)
    }
    pub fn insert(&mut self, item: &NewApp) -> Result<(), Error> {
        diesel::insert_into(apps).values(item).execute(self.conn)?;
        Ok(())
    }
}