gotosocial/internal/db/bundb/migrations/20230328203024_migration_fix.go

168 lines
4.3 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/gtsmodel"
"github.com/uptrace/bun"
)
func init() {
up := func(ctx context.Context, db *bun.DB) error {
// To update not null constraint on public key, we need to migrate accounts into a new table.
// See section 7 here: https://www.sqlite.org/lang_altertable.html
return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
// Create the new accounts table.
if _, err := tx.
NewCreateTable().
ModelTableExpr("new_accounts").
Model(&gtsmodel.Account{}).
Exec(ctx); err != nil {
return err
}
// If we don't specify columns explicitly,
// Postgres gives the following error when
// transferring accounts to new_accounts:
//
// ERROR: column "fetched_at" is of type timestamp with time zone but expression is of type character varying at character 35
// HINT: You will need to rewrite or cast the expression.
//
// Rather than do funky casting to fix this,
// it's simpler to just specify all columns.
columns := []string{
"id",
"created_at",
"updated_at",
"fetched_at",
"username",
"domain",
"avatar_media_attachment_id",
"avatar_remote_url",
"header_media_attachment_id",
"header_remote_url",
"display_name",
"emojis",
"fields",
"note",
"note_raw",
"memorial",
"also_known_as",
"moved_to_account_id",
"bot",
"reason",
"locked",
"discoverable",
"privacy",
"sensitive",
"language",
"status_content_type",
"custom_css",
"uri",
"url",
"inbox_uri",
"shared_inbox_uri",
"outbox_uri",
"following_uri",
"followers_uri",
"featured_collection_uri",
"actor_type",
"private_key",
"public_key",
"public_key_uri",
"sensitized_at",
"silenced_at",
"suspended_at",
"hide_collections",
"suspension_origin",
"enable_rss",
}
// Copy all accounts to the new table.
if _, err := tx.
NewInsert().
Table("new_accounts").
Table("accounts").
Column(columns...).
Exec(ctx); err != nil {
return err
}
// Drop the old table.
if _, err := tx.
NewDropTable().
Table("accounts").
Exec(ctx); err != nil {
return err
}
// Rename new table to old table.
if _, err := tx.
ExecContext(
ctx,
"ALTER TABLE ? RENAME TO ?",
bun.Ident("new_accounts"),
bun.Ident("accounts"),
); err != nil {
return err
}
// Add all account indexes to the new table.
for index, columns := range map[string][]string{
// Standard indices.
"accounts_id_idx": {"id"},
"accounts_suspended_at_idx": {"suspended_at"},
"accounts_domain_idx": {"domain"},
"accounts_username_domain_idx": {"username", "domain"},
// URI indices.
"accounts_uri_idx": {"uri"},
"accounts_url_idx": {"url"},
"accounts_inbox_uri_idx": {"inbox_uri"},
"accounts_outbox_uri_idx": {"outbox_uri"},
"accounts_followers_uri_idx": {"followers_uri"},
"accounts_following_uri_idx": {"following_uri"},
"accounts_public_key_uri_idx": {"public_key_uri"},
} {
if _, err := tx.
NewCreateIndex().
Table("accounts").
Index(index).
Column(columns...).
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)
}
}