implement equality+cmp for builders based on url

1 files changed, 6 insertions, 2 deletions

diff --git a/src/storage/in_memory.rs b/src/storage/in_memory.rs
index 80e7fdf..5cc8ef8 100644
--- a/src/storage/in_memory.rs
+++ b/src/storage/in_memory.rs
@@ -1,13 +1,13 @@
 use futures::FutureExt;
 use crate::storage::*;
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Hash)]
 pub struct FullMem {}
 pub struct MemStore {}
 pub struct MemRef {}
 pub struct MemValue {}
 
-impl IBuilder for FullMem {
+impl IBuilders for FullMem {
     fn row_store(&self) -> Result<RowStore, StorageError> {
         unimplemented!();
     }
@@ -15,6 +15,10 @@ impl IBuilder for FullMem {
     fn blob_store(&self) -> Result<BlobStore, StorageError> {
         unimplemented!();
     }
+
+    fn url(&self) -> &str {
+        return "mem://unimplemented;"
+    }
 }
 
 impl IRowStore for MemStore {