gotosocial/internal/db/bundb/migrations/20240426122821_pageable_adm...

85 lines
2.3 KiB
Go

// 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/log"
"github.com/uptrace/bun"
"github.com/uptrace/bun/dialect"
)
func init() {
up := func(ctx context.Context, db *bun.DB) error {
log.Info(ctx, "reindexing accounts (accounts_paging_idx); this may take a few minutes, please don't interrupt this migration!")
q := db.NewCreateIndex().
TableExpr("accounts").
Index("accounts_paging_idx").
IfNotExists()
switch d := db.Dialect().Name(); d {
case dialect.SQLite:
q = q.ColumnExpr(
"COALESCE(?, ?) || ? || ?",
bun.Ident("domain"), "",
"/@",
bun.Ident("username"),
)
// Specify C collation for Postgres to ensure
// alphabetic sort order is similar enough to
// SQLite (which uses BINARY sort by default).
//
// See:
//
// - https://www.postgresql.org/docs/current/collation.html#COLLATION-MANAGING-STANDARD
// - https://sqlite.org/datatype3.html#collation
case dialect.PG:
q = q.ColumnExpr(
"(COALESCE(?, ?) || ? || ?) COLLATE ?",
bun.Ident("domain"), "",
"/@",
bun.Ident("username"),
bun.Ident("C"),
)
default:
log.Panicf(ctx, "dialect %s was neither postgres nor sqlite", d)
}
if _, err := q.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)
}
}