1 files changed, 7 insertions, 0 deletions

diff --git a/crates/ra_hir/src/db.rs b/crates/ra_hir/src/db.rs
index d3908f8ac..143919cdc 100644
--- a/crates/ra_hir/src/db.rs
+++ b/crates/ra_hir/src/db.rs
@@ -14,6 +14,7 @@ use crate::{
     impl_block::{ModuleImplBlocks, ImplSourceMap},
     generics::{GenericParams, GenericDef},
     type_ref::TypeRef,
+    traits::TraitData, Trait, ty::TraitRef
 };
 
 #[salsa::query_group(DefDatabaseStorage)]
@@ -27,6 +28,9 @@ pub trait DefDatabase: SourceDatabase + AsRef<HirInterner> {
     #[salsa::invoke(crate::adt::EnumData::enum_data_query)]
     fn enum_data(&self, e: Enum) -> Arc<EnumData>;
 
+    #[salsa::invoke(crate::traits::TraitData::trait_data_query)]
+    fn trait_data(&self, t: Trait) -> Arc<TraitData>;
+
     #[salsa::invoke(crate::ids::SourceFileItems::file_items_query)]
     fn file_items(&self, file_id: HirFileId) -> Arc<SourceFileItems>;
 
@@ -98,6 +102,9 @@ pub trait HirDatabase: DefDatabase {
 
     #[salsa::invoke(crate::ty::method_resolution::CrateImplBlocks::impls_in_crate_query)]
     fn impls_in_crate(&self, krate: Crate) -> Arc<CrateImplBlocks>;
+
+    #[salsa::invoke(crate::ty::method_resolution::implements)]
+    fn implements(&self, trait_ref: TraitRef) -> bool;
 }
 
 #[test]