add better example

inline-postgres/Cargo.toml

@@ -8,3 +8,6 @@ edition = "2021"
 [dependencies]
 inline-postgres-impl = { path = "../inline-postgres-impl" }
 inline-postgres-macros = { path = "../inline-postgres-macros" }
+
+[dev-dependencies]
+tokio = { version = "1", features = ["full"] }

inline-postgres/examples/atla.rs

@@ -0,0 +1,50 @@
+use inline_postgres as pg;
+use inline_postgres::prelude::*;
+
+#[tokio::main]
+async fn main() -> Result<(), pg::Error> {
+    let (client, connection) = pg::connect("host=localhost user=postgres", pg::NoTls).await?;
+
+    // wait for the connection
+    tokio::spawn(async move {
+        if let Err(e) = connection.await {
+            eprintln!("connection error: {}", e);
+        }
+    });
+
+    client.exec(stmt!{
+        CREATE TABLE KID (
+            NAME VARCHAR(10),
+            AGE INT4
+        )
+    }).await?;
+
+    client.exec(stmt!{
+        INSERT INTO KID (NAME, AGE) 
+        VALUES
+            ("Aang", 12),
+            ("Sokka", 14),
+            ("Toph", 12),
+            ("Zuko", 16)
+    }).await?;
+
+    let actual_age = 112;
+
+    client.exec(stmt!{
+        UPDATE KID 
+        SET AGE = {actual_age}
+        WHERE NAME = "Aang"
+    }).await?;
+
+    let ages = client.fetch(sql! {
+        SELECT SUM(AGE) as [sum: i64] FROM KID
+    }).await?;
+
+    println!("{}", ages[0].sum);
+
+    client.exec(stmt! {
+        DROP TABLE KID
+    }).await?;
+
+    Ok(())
+}

inline-postgres/examples/output.rs

@@ -1,18 +0,0 @@
-use inline_postgres as pg;
-use inline_postgres::prelude::*;
-
-fn main() -> Result<(), pg::Error> {
-    let mut client = pg::Client::connect("host=localhost, user=postgres", pg::NoTls)?;
-
-    let x = 5;
-
-    let rows = client.fetch(sql! {
-        select 1 as [a:i32], generate_series(1, {x}) as [b: i32]
-    })?;
-
-    for row in rows {
-        println!("{row:?}");
-    }
-
-    Ok(())
-}