gtsocial-umbx

commit a465cefb8ce68aa8f5539df0ecd85adceaed6cc6
parent 7cc40302a578264dff4edb3b007fc192b840c7d4
Author: tobi <31960611+tsmethurst@users.noreply.github.com>
Date:   Mon, 11 Jul 2022 13:52:12 +0200

[performance] Add new index to fix slow web profile queries (#706)

* start adding new index migration

* fix up index
Diffstat:
A
internal/db/bundb/migrations/20220710153020_fix_slow_web_profile_queries.go
 | 
53
+++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 53 insertions(+), 0 deletions(-)
diff --git a/internal/db/bundb/migrations/20220710153020_fix_slow_web_profile_queries.go b/internal/db/bundb/migrations/20220710153020_fix_slow_web_profile_queries.go
@@ -0,0 +1,53 @@
+/*
+   GoToSocial
+   Copyright (C) 2021-2022 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 migrations
+
+import (
+	"context"
+
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/uptrace/bun"
+)
+
+func init() {
+	up := func(ctx context.Context, db *bun.DB) error {
+		return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
+			// profile web view index for statuses
+			_, err := tx.
+				NewCreateIndex().
+				Model(&gtsmodel.Status{}).
+				Index("statuses_profile_web_view_idx").
+				Column("account_id", "visibility").
+				ColumnExpr("id DESC").
+				Exec(ctx)
+
+			return err
+		})
+	}
+
+	down := func(ctx context.Context, db *bun.DB) error {
+		return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
+			return nil
+		})
+	}
+
+	if err := Migrations.Register(up, down); err != nil {
+		panic(err)
+	}
+}