1 files changed, 33 insertions, 0 deletions
diff --git a/internal/db/error.go b/internal/db/error.go
new file mode 100644
index 000000000..197c7bd68
--- /dev/null
+++ b/internal/db/error.go
@@ -0,0 +1,33 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package db
+
+// ErrNoEntries is to be returned from the DB interface when no entries are found for a given query.
+type ErrNoEntries struct{}
+
+func (e ErrNoEntries) Error() string {
+	return "no entries"
+}
+
+// ErrAlreadyExists is to be returned from the DB interface when an entry already exists for a given query or its constraints.
+type ErrAlreadyExists struct{}
+
+func (e ErrAlreadyExists) Error() string {
+	return "already exists"
+}