Adds new Github Action to build examples

examples/postgres/listen/src/main.rs

@@ -24,7 +24,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     println!("Starting LISTEN loop.");
 
-    listener.listen_all(&["chan0", "chan1", "chan2"]).await?;
+    listener.listen_all(vec!["chan0", "chan1", "chan2"]).await?;
 
     let mut counter = 0usize;
     loop {

examples/postgres/realworld/schema.sql

@@ -1,5 +1,5 @@
 CREATE TABLE IF NOT EXISTS users (
-    id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    id BIGSERIAL PRIMARY KEY,
 
     created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
     updated_at TIMESTAMPTZ,

examples/postgres/todos/schema.sql

@@ -1,5 +1,5 @@
 CREATE TABLE IF NOT EXISTS todos (
-    id          BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    id          BIGSERIAL PRIMARY KEY,
     description TEXT NOT NULL,
     done        BOOLEAN NOT NULL DEFAULT FALSE
 );

examples/postgres/todos/src/main.rs

@@ -72,7 +72,7 @@ WHERE id = $1
     Ok(rows_affected > 0)
 }
 
-async fn list_todos(pool: &mut PgPool) -> anyhow::Result<()> {
+async fn list_todos(pool: &PgPool) -> anyhow::Result<()> {
     let recs = sqlx::query!(
         r#"
 SELECT id, description, done