feat(oscar): add OSCAR database support

crates/dbx-core/src/models/connection.rs

@@ -312,6 +312,7 @@ pub enum DatabaseType {
     Bigquery,
     Kylin,
     Sundb,
+    Oscar,
     Tdengine,
     Xugu,
     Iotdb,
@@ -642,6 +643,7 @@ impl ConnectionConfig {
             DatabaseType::Kingbase | DatabaseType::Vastbase => Some("postgres"),
             DatabaseType::Highgo => Some("highgo"),
             DatabaseType::Yashandb => Some("yasdb"),
+            DatabaseType::Oscar => Some("osrdb"),
             DatabaseType::Firebird => Some("employee"),
             DatabaseType::H2 => Some("test"),
             DatabaseType::Informix => Some("sysmaster"),
@@ -796,6 +798,7 @@ impl ConnectionConfig {
             DatabaseType::Bigquery => format!("bigquery://{host}/{db_part}"),
             DatabaseType::Kylin => format!("kylin://{host}:{port}{db_part}"),
             DatabaseType::Sundb => format!("sundb://{host}:{port}{db_part}"),
+            DatabaseType::Oscar => format!("oscar://{host}:{port}{db_part}"),
             DatabaseType::Tdengine => format!("tdengine://{host}:{port}{db_part}"),
             DatabaseType::Xugu => format!("xugu://{host}:{port}{db_part}"),
             DatabaseType::Iotdb => {
@@ -998,6 +1001,9 @@ impl ConnectionConfig {
             DatabaseType::Sundb => {
                 format!("sundb://{}:{}@{host}:{port}{db_part}", username, password)
             }
+            DatabaseType::Oscar => {
+                format!("oscar://{}:{}@{host}:{port}{db_part}", username, password)
+            }
             DatabaseType::Tdengine => {
                 format!("tdengine://{}:{}@{host}:{port}{db_part}", username, password)
             }
@@ -2171,6 +2177,14 @@ mod tests {
         assert_eq!(config.connection_url(), "yashandb://sys:secret@10.1.2.3:2883/yasdb");
     }
 
+    #[test]
+    fn oscar_url_defaults_to_osrdb_database() {
+        let mut config = mysql_config("SYSDBA", "secret", None);
+        config.db_type = DatabaseType::Oscar;
+
+        assert_eq!(config.connection_url(), "oscar://SYSDBA:secret@10.1.2.3:2883/osrdb");
+    }
+
     #[test]
     fn mongodb_form_url_without_params_defaults_auth_source_to_admin() {
         let config = mongodb_config("root", "secret", Some("admin"));