From 2de93bd47059922f5f5ce50cbf5d2bae82f791fd Mon Sep 17 00:00:00 2001
From: Juergen Holly <juergen.holly@mac.com>
Date: Sun, 23 Jan 2022 12:59:40 +0100
Subject: [PATCH] initial version

---
 .gitignore  |    1 +
 Cargo.lock  | 2299 +++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml  |    9 +
 src/main.rs |   39 +
 4 files changed, 2348 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
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diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..22cd52c
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,2299 @@
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..43f509f
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "demo"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+actix-web = "3"
+tokio = { version = "0.2", features = ["macros"] }
+sqlx = { version = "0.4", features = ["runtime-actix-rustls", "postgres"] }
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..9dfaebb
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,39 @@
+use sqlx::postgres::{PgConnectOptions, PgPoolOptions};
+use sqlx::{Acquire, PgPool, Postgres};
+
+async fn take_pool_or_transaction<'c, C>(pool_or_transaction: C)
+where
+    C: Acquire<'c, Database = Postgres>,
+{
+    let mut connection = pool_or_transaction.acquire().await.unwrap();
+
+    sqlx::query("select 1 from dual")
+        .execute(&mut *connection)
+        .await
+        .unwrap();
+}
+
+async fn run(pool: PgPool) {
+    take_pool_or_transaction(&pool).await;
+
+    let mut t = pool.begin().await.unwrap();
+    take_pool_or_transaction(&mut *t).await;
+}
+
+#[actix_web::main]
+async fn main() {
+    let options = PgConnectOptions::new();
+    let pool = PgPoolOptions::new().connect_lazy_with(options);
+
+    let clone = pool.clone();
+    //tokio::spawn(async move {
+    run(clone).await;
+    //});
+
+    sqlx::query("select 1 from dual")
+        .execute(&pool)
+        .await
+        .unwrap();
+
+    println!("Hello, world!");
+}