kim is a reply guy (#208)

* bun debug

* bun trace logging hooks

* more tests

* fix up some stuffffff

* drop the frontend cache until a proper fix is made

* go fmt

internal/db/bundb/trace.go

@@ -0,0 +1,53 @@
+/*
+   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 bundb
+
+import (
+	"context"
+	"time"
+
+	"github.com/sirupsen/logrus"
+	"github.com/uptrace/bun"
+)
+
+func newDebugQueryHook(log *logrus.Logger) bun.QueryHook {
+	return &debugQueryHook{
+		log: log,
+	}
+}
+
+// debugQueryHook implements bun.QueryHook
+type debugQueryHook struct {
+	log *logrus.Logger
+}
+
+func (q *debugQueryHook) BeforeQuery(ctx context.Context, event *bun.QueryEvent) context.Context {
+	// do nothing
+	return ctx
+}
+
+// AfterQuery logs the time taken to query, the operation (select, update, etc), and the query itself as translated by bun.
+func (q *debugQueryHook) AfterQuery(ctx context.Context, event *bun.QueryEvent) {
+	dur := time.Since(event.StartTime).Round(time.Microsecond)
+	l := q.log.WithFields(logrus.Fields{
+		"queryTime": dur,
+		"operation": event.Operation(),
+	})
+	l.Trace(event.Query)
+}