impl Encode/Decode for Url

I'd like to use a `Url` as a Sqlite column. This allows it!

Author: braddunbar

sqlx-sqlite/src/types/mod.rs

@@ -236,5 +236,6 @@ mod text;
 #[cfg(feature = "time")]
 mod time;
 mod uint;
+mod url;
 #[cfg(feature = "uuid")]
 mod uuid;

sqlx-sqlite/src/types/url.rs

@@ -0,0 +1,35 @@
+use crate::arguments::SqliteArgumentsBuffer;
+use crate::decode::Decode;
+use crate::encode::{Encode, IsNull};
+use crate::error::BoxDynError;
+use crate::type_info::DataType;
+use crate::types::Type;
+use crate::{Sqlite, SqliteArgumentValue, SqliteTypeInfo, SqliteValueRef};
+use std::sync::Arc;
+use url::Url;
+
+impl Type<Sqlite> for Url {
+    fn type_info() -> SqliteTypeInfo {
+        SqliteTypeInfo(DataType::Text)
+    }
+
+    fn compatible(ty: &SqliteTypeInfo) -> bool {
+        matches!(ty.0, DataType::Text)
+    }
+}
+
+impl Encode<'_, Sqlite> for Url {
+    fn encode_by_ref(&self, args: &mut SqliteArgumentsBuffer) -> Result<IsNull, BoxDynError> {
+        args.push(SqliteArgumentValue::Text(Arc::new(
+            self.as_str().to_string(),
+        )));
+
+        Ok(IsNull::No)
+    }
+}
+
+impl Decode<'_, Sqlite> for Url {
+    fn decode(value: SqliteValueRef<'_>) -> Result<Self, BoxDynError> {
+        Url::parse(value.text_borrowed()?).map_err(Into::into)
+    }
+}

tests/sqlite/types.rs

@@ -11,6 +11,7 @@ use std::borrow::Cow;
 use std::net::SocketAddr;
 use std::rc::Rc;
 use std::sync::Arc;
+use url::Url;
 
 test_type!(null<Option<i32>>(Sqlite,
     "NULL" == None::<i32>
@@ -218,6 +219,8 @@ test_type!(test_cow_slice<Cow<'_, [u8]>>(Sqlite, "X'01020304'" == Cow::<'static,
 test_type!(test_arc_slice<Arc<[u8]>>(Sqlite, "X'01020304'" == Arc::<[u8]>::from([1,2,3,4])));
 test_type!(test_rc_slice<Rc<[u8]>>(Sqlite, "X'01020304'" == Rc::<[u8]>::from([1,2,3,4])));
 
+test_type!(test_url<Url>(Sqlite, "'https://example.com/'" == Url::parse("https://example.com/").unwrap()));
+
 #[sqlx_macros::test]
 async fn test_text_adapter() -> anyhow::Result<()> {
     #[derive(sqlx::FromRow, Debug, PartialEq, Eq)]