3 files changed, 9 insertions, 22 deletions

diff --git a/crates/ra_db/src/input.rs b/crates/ra_db/src/input.rs
index 65b674da9..51daa8e86 100644
--- a/crates/ra_db/src/input.rs
+++ b/crates/ra_db/src/input.rs
@@ -1,10 +1,15 @@
 use std::sync::Arc;
 
-use rustc_hash::{FxHashSet, FxHashMap};
+use rustc_hash::{FxHashMap};
 use relative_path::RelativePathBuf;
 use ra_syntax::SmolStr;
 use salsa;
 
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
+pub struct SourceRootId(pub u32);
+
+pub const WORKSPACE: SourceRootId = SourceRootId(0);
+
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct FileId(pub u32);
 
@@ -93,14 +98,6 @@ salsa::query_group! {
             type FileSourceRootQuery;
             storage input;
         }
-        fn source_root_files(id: SourceRootId) -> Arc<FxHashSet<FileId>> {
-            type SourceRootFilesQuery;
-            storage input;
-        }
-        fn source_root_file_by_path(id: SourceRootId, path: RelativePathBuf) -> Option<FileId> {
-            type SourceRootFileByPathQuery;
-            storage input;
-        }
         fn source_root(id: SourceRootId) -> Arc<SourceRoot> {
             type SourceRootQuery;
             storage input;
@@ -116,12 +113,7 @@ salsa::query_group! {
     }
 }
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
-pub struct SourceRootId(pub u32);
-
 #[derive(Default, Clone, Debug, PartialEq, Eq)]
 pub struct SourceRoot {
-    pub files: FxHashSet<FileId>,
+    pub files: FxHashMap<RelativePathBuf, FileId>,
 }
-
-pub const WORKSPACE: SourceRootId = SourceRootId(0);
diff --git a/crates/ra_db/src/lib.rs b/crates/ra_db/src/lib.rs
index 783b7a799..d1db281e6 100644
--- a/crates/ra_db/src/lib.rs
+++ b/crates/ra_db/src/lib.rs
@@ -28,7 +28,7 @@ pub use crate::{
     input::{
         FilesDatabase, FileId, CrateId, SourceRoot, SourceRootId, CrateGraph, WORKSPACE,
         FileTextQuery, FileSourceRootQuery, SourceRootQuery, LibrariesQuery, CrateGraphQuery,
-        FileRelativePathQuery, SourceRootFilesQuery, SourceRootFileByPathQuery,
+        FileRelativePathQuery
     },
     loc2id::{LocationIntener, NumericId},
 };
diff --git a/crates/ra_db/src/mock.rs b/crates/ra_db/src/mock.rs
index 14d9e79b5..efe987bdd 100644
--- a/crates/ra_db/src/mock.rs
+++ b/crates/ra_db/src/mock.rs
@@ -1,7 +1,7 @@
 use rustc_hash::FxHashSet;
 use relative_path::{RelativePath, RelativePathBuf};
 
-use crate::{FileId, FileResolver, SourceRoot};
+use crate::{FileId, FileResolver};
 
 #[derive(Default, Debug, Clone)]
 pub struct FileMap(Vec<(FileId, RelativePathBuf)>);
@@ -13,11 +13,6 @@ impl FileMap {
         file_id
     }
 
-    pub fn into_source_root(self) -> SourceRoot {
-        let files = self.files();
-        SourceRoot { files }
-    }
-
     pub fn files(&self) -> FxHashSet<FileId> {
         self.iter().map(|(id, _)| id).collect()
     }