Hide DUP_FIXED behind the same build flag as DUP_SORT

src/backend/common.rs

@@ -27,9 +27,10 @@ pub enum DatabaseFlags {
     REVERSE_KEY,
     #[cfg(feature = "db-dup-sort")]
     DUP_SORT,
+    #[cfg(feature = "db-dup-sort")]
+    DUP_FIXED,
     #[cfg(feature = "db-int-key")]
     INTEGER_KEY,
-    DUP_FIXED,
     INTEGER_DUP,
     REVERSE_DUP,
 }

src/backend/impl_lmdb/flags.rs

@@ -88,9 +88,10 @@ impl Into<lmdb::DatabaseFlags> for DatabaseFlags {
             DatabaseFlags::REVERSE_KEY => lmdb::DatabaseFlags::REVERSE_KEY,
             #[cfg(feature = "db-dup-sort")]
             DatabaseFlags::DUP_SORT => lmdb::DatabaseFlags::DUP_SORT,
+            #[cfg(feature = "db-dup-sort")]
+            DatabaseFlags::DUP_FIXED => lmdb::DatabaseFlags::DUP_FIXED,
             #[cfg(feature = "db-int-key")]
             DatabaseFlags::INTEGER_KEY => lmdb::DatabaseFlags::INTEGER_KEY,
-            DatabaseFlags::DUP_FIXED => lmdb::DatabaseFlags::DUP_FIXED,
             DatabaseFlags::INTEGER_DUP => lmdb::DatabaseFlags::INTEGER_DUP,
             DatabaseFlags::REVERSE_DUP => lmdb::DatabaseFlags::REVERSE_DUP,
         }

src/backend/impl_safe/flags.rs

@@ -94,9 +94,10 @@ impl Into<DatabaseFlagsImpl> for DatabaseFlags {
             DatabaseFlags::REVERSE_KEY => unimplemented!(),
             #[cfg(feature = "db-dup-sort")]
             DatabaseFlags::DUP_SORT => DatabaseFlagsImpl::DUP_SORT,
+            #[cfg(feature = "db-dup-sort")]
+            DatabaseFlags::DUP_FIXED => unimplemented!(),
             #[cfg(feature = "db-int-key")]
             DatabaseFlags::INTEGER_KEY => DatabaseFlagsImpl::INTEGER_KEY,
-            DatabaseFlags::DUP_FIXED => unimplemented!(),
             DatabaseFlags::INTEGER_DUP => unimplemented!(),
             DatabaseFlags::REVERSE_DUP => unimplemented!(),
         }