Add Simple format for Uuid for MySQL & SQLite. (#2469)

* Add Simple format for Uuid for MySQL & SQLite.

Copy pasted the implementation for `Hyphenated` and adapt.

* Add uuid Simple docs for SQLite

sqlx-sqlite/src/types/mod.rs

@@ -62,6 +62,7 @@
 //! |---------------------------------------|------------------------------------------------------|
 //! | `uuid::Uuid`                          | BLOB, TEXT                                           |
 //! | `uuid::fmt::Hyphenated`               | TEXT                                                 |
+//! | `uuid::fmt::Simple`                   | TEXT                                                 |
 //!
 //! ### [`json`](https://crates.io/crates/serde_json)
 //!

sqlx-sqlite/src/types/uuid.rs

@@ -5,7 +5,10 @@ use crate::type_info::DataType;
 use crate::types::Type;
 use crate::{Sqlite, SqliteArgumentValue, SqliteTypeInfo, SqliteValueRef};
 use std::borrow::Cow;
-use uuid::{fmt::Hyphenated, Uuid};
+use uuid::{
+    fmt::{Hyphenated, Simple},
+    Uuid,
+};
 
 impl Type<Sqlite> for Uuid {
     fn type_info() -> SqliteTypeInfo {
@@ -56,3 +59,26 @@ impl Decode<'_, Sqlite> for Hyphenated {
         Ok(uuid?.hyphenated())
     }
 }
+
+impl Type<Sqlite> for Simple {
+    fn type_info() -> SqliteTypeInfo {
+        SqliteTypeInfo(DataType::Text)
+    }
+}
+
+impl<'q> Encode<'q, Sqlite> for Simple {
+    fn encode_by_ref(&self, args: &mut Vec<SqliteArgumentValue<'q>>) -> IsNull {
+        args.push(SqliteArgumentValue::Text(Cow::Owned(self.to_string())));
+
+        IsNull::No
+    }
+}
+
+impl Decode<'_, Sqlite> for Simple {
+    fn decode(value: SqliteValueRef<'_>) -> Result<Self, BoxDynError> {
+        let uuid: Result<Uuid, BoxDynError> =
+            Uuid::parse_str(&value.text().map(ToOwned::to_owned)?).map_err(Into::into);
+
+        Ok(uuid?.simple())
+    }
+}