gotosocial/internal/db/bundb/migrations/20220926115233_indexes.go

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// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// 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 {
// index statuses on url to make searching them faster
if _, err := tx.
NewCreateIndex().
Model(&gtsmodel.Status{}).
Index("statuses_url_idx").
Column("url").
Exec(ctx); err != nil {
return err
}
// recreate account status index to allow id desc
if _, err := tx.
NewDropIndex().
Index("statuses_account_id_id_idx").
Exec(ctx); err != nil {
return err
}
if _, err := tx.
NewCreateIndex().
Model(&gtsmodel.Status{}).
Index("statuses_account_id_id_idx").
Column("account_id").
ColumnExpr("id DESC").
Exec(ctx); err != nil {
return err
}
// recreate statuses public timeline index to allow id desc
if _, err := tx.
NewDropIndex().
Index("statuses_public_timeline_idx").
Exec(ctx); err != nil {
return err
}
if _, err := tx.
NewCreateIndex().
Model(&gtsmodel.Status{}).
Index("statuses_public_timeline_idx").
Column("visibility").
ColumnExpr("id DESC").
Exec(ctx); err != nil {
return err
}
return nil
})
}
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)
}
}