Makefile.toml

TestContainers and diesel test database

src/diesel/mod.rs

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+pub mod pool;

src/diesel/pool.rs

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+use deadpool_diesel::postgres::BuildError;
+use diesel_async::pooled_connection::deadpool::Pool;
+use diesel_async::pooled_connection::AsyncDieselConnectionManager;
+use diesel_async::AsyncPgConnection;
+
+/// A type alias for the asynchronous PostgreSQL connection pool.
+pub type PgPool = Pool<AsyncPgConnection>;
+
+/// Create a deadpool connection pool from the given URL.
+/// Using the default pool size and other settings.
+pub fn create_pool_from_url(url: impl Into<String>) -> Result<PgPool, BuildError> {
+    let config = AsyncDieselConnectionManager::<AsyncPgConnection>::new(url);
+    Pool::builder(config).build()
+}
+
+/// Create a deadpool connection pool from the given URL.
+/// Using the given pool size and other default settings.
+pub fn create_pool_from_url_with_size(
+    url: impl Into<String>,
+    size: usize,
+) -> Result<PgPool, BuildError> {
+    let config = AsyncDieselConnectionManager::<AsyncPgConnection>::new(url);
+    Pool::builder(config).max_size(size).build()
+}