Add example loading extension

.github/workflows/main.yml

@@ -67,6 +67,7 @@ jobs:
 
       - name: loadable extension
         run: cargo build --example loadable_extension --features "loadable_extension modern_sqlite functions vtab trace"
+        run: cargo run --example load_extension --features "load_extension bundled functions vtab trace"
 
       # TODO: move into own action for better caching
       - name: Static build

Cargo.toml

@@ -162,6 +162,10 @@ name = "loadable_extension"
 crate-type = ["cdylib"]
 required-features = ["loadable_extension", "modern_sqlite", "functions", "vtab", "trace"]
 
+[[example]]
+name = "load_extension"
+required-features = ["load_extension", "bundled", "functions", "vtab", "trace"]
+
 [package.metadata.docs.rs]
 features = ["modern-full"]
 all-features = false

examples/load_extension.rs

@@ -0,0 +1,19 @@
+//! Ensure loadable_extension.rs works.
+
+use rusqlite::{Connection, Result};
+
+fn main() -> Result<()> {
+    let db = Connection::open_in_memory()?;
+
+    unsafe {
+        db.load_extension_enable()?;
+        db.load_extension("target/debug/examples/libloadable_extension", None)?;
+        db.load_extension_disable()?;
+    }
+
+    let str = db.query_row("SELECT rusqlite_test_function()", [], |row| {
+        row.get::<_, String>(0)
+    })?;
+    assert_eq!(&str, "Rusqlite extension loaded correctly!");
+    Ok(())
+}