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Database sanity settings

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This commit is contained in:
Antoine Gersant 2020-01-18 14:19:44 -08:00
parent 95f6c62531
commit e64435efa5
1 changed files with 20 additions and 4 deletions
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24
src/db/mod.rs
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@ -1,6 +1,7 @@
use anyhow::*; use anyhow::*;
use diesel::r2d2::{self, ConnectionManager, PooledConnection}; use diesel::r2d2::{self, ConnectionManager, PooledConnection};
use diesel::sqlite::SqliteConnection; use diesel::sqlite::SqliteConnection;
use diesel::RunQueryDsl;
use diesel_migrations; use diesel_migrations;
use log::info; use log::info;
use std::path::Path; use std::path::Path;
@ -18,14 +19,29 @@ pub struct DB {
pool: r2d2::Pool<ConnectionManager<SqliteConnection>>, pool: r2d2::Pool<ConnectionManager<SqliteConnection>>,
} }
#[derive(Debug)]
struct ConnectionCustomizer {}
impl diesel::r2d2::CustomizeConnection<SqliteConnection, diesel::r2d2::Error> for ConnectionCustomizer {
fn on_acquire(&self, connection: &mut SqliteConnection) -> Result<(), diesel::r2d2::Error> {
let query = diesel::sql_query(r#"
PRAGMA busy_timeout = 60000;
PRAGMA journal_mode = WAL;
PRAGMA synchronous = NORMAL;
PRAGMA foreign_keys = ON;
"#);
query.execute(connection)
.map_err(|e| diesel::r2d2::Error::QueryError(e))?;
Ok(())
}
}
impl DB { impl DB {
pub fn new(path: &Path) -> Result<DB> { pub fn new(path: &Path) -> Result<DB> {
info!("Database file path: {}", path.to_string_lossy()); info!("Database file path: {}", path.to_string_lossy());
let manager = ConnectionManager::<SqliteConnection>::new(path.to_string_lossy()); let manager = ConnectionManager::<SqliteConnection>::new(path.to_string_lossy());
let pool = r2d2::Pool::builder() let pool = diesel::r2d2::Pool::builder()
.build(manager) .connection_customizer(Box::new(ConnectionCustomizer {}))
.expect("Failed to create pool."); // TODO handle error .build(manager)?;
let db = DB { pool: pool }; let db = DB { pool: pool };
db.migrate_up()?; db.migrate_up()?;
Ok(db) Ok(db)