add support for the uuid type on the Any database (#30)

* add support for the uuid type on the Any database

* Fix UUID test for MySQL

The previous test used the wrong SQL for MySQL. This commit corrects it.

* Fix UUID test for various databases

* Fix MSSQL UUID test

Fix MSSQL UUID test

The MSSQL UUID test was failing due to an incorrect query string. This
commit removes the extra character.

Author: lovasoa

sqlx-core/src/any/types.rs

@@ -151,3 +151,11 @@ mod decimal_types {
     impl_any_encode!(Decimal);
     impl_any_decode!(Decimal);
 }
+
+#[cfg(feature = "uuid")]
+mod uuid_types {
+    use uuid::Uuid;
+    impl_any_type!(Uuid);
+    impl_any_encode!(Uuid);
+    impl_any_decode!(Uuid);
+}

tests/any/any.rs

@@ -112,6 +112,24 @@ async fn it_has_json() -> anyhow::Result<()> {
     Ok(())
 }
 
+#[cfg(feature = "uuid")]
+#[sqlx_macros::test]
+async fn it_has_uuid() -> anyhow::Result<()> {
+    use sqlx_oldapi::types::Uuid;
+    assert_eq!(
+        Uuid::parse_str("123e4567-e89b-12d3-a456-426614174000")?,
+        get_val::<Uuid>(if cfg!(feature = "mssql") {
+            "CONVERT(uniqueidentifier, '123e4567-e89b-12d3-a456-426614174000')"
+        } else if cfg!(feature = "postgres") {
+            "'123e4567-e89b-12d3-a456-426614174000'::uuid"
+        } else {
+            "x'123e4567e89b12d3a456426614174000'"
+        })
+        .await?
+    );
+    Ok(())
+}
+
 #[sqlx_macros::test]
 async fn it_pings() -> anyhow::Result<()> {
     let mut conn = new::<Any>().await?;