impl load for memstorage

src/core/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "sourmash"
-version = "0.14.1"
+version = "0.15.0"
 authors = ["Luiz Irber <luiz@sourmash.bio>", "N. Tessa Pierce-Ward <tessa@sourmash.bio>"]
 description = "tools for comparing biological sequences with k-mer sketches"
 repository = "https://github.com/sourmash-bio/sourmash"

src/core/src/index/revindex/disk_revindex.rs

@@ -174,7 +174,7 @@ impl RevIndex {
         }
         self.db.put_cf(&cf_metadata, MANIFEST, &wtr[..])?;
 
-        // write storage specdisk_re
+        // write storage spec
         let spec = self.collection.storage().spec();
 
         // TODO: check if spec if memstorage, would probably have to
@@ -459,7 +459,10 @@ impl RevIndexOps for RevIndex {
     }
 
     fn internalize_storage(&mut self) -> Result<()> {
-        // TODO: check if collection is already internal, if so return
+        // check if collection is already internal, if so return
+        if self.collection.storage().spec() == "rocksdb://" {
+            return Ok(())
+        }
 
         // build new rocksdb storage from db
         let new_storage = RocksDBStorage::from_db(self.db.clone());

src/core/src/storage/mod.rs

@@ -639,8 +639,16 @@ impl Storage for MemStorage {
         unimplemented!()
     }
 
-    fn load(&self, _path: &str) -> Result<Vec<u8>> {
-        unimplemented!()
+    fn load(&self, path: &str) -> Result<Vec<u8>> {
+        let store = self.sigs.read().unwrap();
+        let sig = store.get(path).unwrap();
+
+        let mut buffer = vec![];
+        {
+            sig.to_writer(&mut buffer).unwrap();
+        }
+
+        Ok(buffer)
     }
 
     fn args(&self) -> StorageArgs {