GoToSocial/internal/db/sqlite/errors.go

63 lines
1.8 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/>.
//go:build !wasmsqlite3
package sqlite
import (
"database/sql/driver"
"fmt"
"modernc.org/sqlite"
sqlite3 "modernc.org/sqlite/lib"
"github.com/superseriousbusiness/gotosocial/internal/db"
)
// processSQLiteError processes an sqlite3.Error to
// handle conversion to any of our common db types.
func processSQLiteError(err error) error {
// Attempt to cast as sqlite error.
sqliteErr, ok := err.(*sqlite.Error)
if !ok {
return err
}
// Handle supplied error code:
switch sqliteErr.Code() {
case sqlite3.SQLITE_CONSTRAINT_UNIQUE,
sqlite3.SQLITE_CONSTRAINT_PRIMARYKEY:
return db.ErrAlreadyExists
// Busy should be very rare, but
// on busy tell the database to close
// the connection, re-open and re-attempt
// which should give a necessary timeout.
case sqlite3.SQLITE_BUSY,
sqlite3.SQLITE_BUSY_RECOVERY,
sqlite3.SQLITE_BUSY_SNAPSHOT:
return driver.ErrBadConn
}
// Wrap the returned error with the code and
// extended code for easier debugging later.
return fmt.Errorf("%w (code=%d)", err,
sqliteErr.Code(),
)
}