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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"
gtsmodel "github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/uptrace/bun"
"github.com/uptrace/bun/dialect"
)
func init() {
up := func(ctx context.Context, db *bun.DB) error {
var expression string
switch db.Dialect().Name() {
case dialect.PG:
expression = "(mentions IS NULL OR CARDINALITY(mentions) = 0)"
case dialect.SQLite:
expression = "(mentions IS NULL OR json_array_length(mentions) = 0)"
default:
panic("db conn was neither pg not sqlite")
}
return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
log.Info(ctx,
"removing previous statuses_account_view_idx and reindexing statuses; "+
"this may take a few minutes, please don't interrupt this migration",
)
// Remove old index with columns
// in really awkward order.
if _, err := tx.
NewDropIndex().
Model((*gtsmodel.Status)(nil)).
Index("statuses_account_view_idx").
IfExists().
Exec(ctx); err != nil {
return err
}
// Create new index with
// columns in desired order.
if _, err := tx.
NewCreateIndex().
Model((*gtsmodel.Status)(nil)).
Index("statuses_account_view_idx").
Column(
"account_id",
"in_reply_to_uri",
"in_reply_to_account_id",
).
ColumnExpr(expression).
ColumnExpr("id DESC").
IfNotExists().
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)
}
}
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