database-sqlite.go
No OneTemporary
Actions

Size

1 KB

Subscribers

None

database-sqlite.go
View Options

	// +build sqlite,!wflib

	/*
	* Copyright © 2019 A Bunch Tell LLC.
	*
	* This file is part of WriteFreely.
	*
	* WriteFreely is free software: you can redistribute it and/or modify
	* it under the terms of the GNU Affero General Public License, included
	* in the LICENSE file in this source code package.
	*/

	package writefreely

	import (
	"database/sql"
	"github.com/go-sql-driver/mysql"
	"github.com/mattn/go-sqlite3"
	"github.com/writeas/web-core/log"
	"regexp"
	)

	func init() {
	SQLiteEnabled = true

	regex := func(re, s string) (bool, error) {
	return regexp.MatchString(re, s)
	}
	sql.Register("sqlite3_with_regex", &sqlite3.SQLiteDriver{
	ConnectHook: func(conn *sqlite3.SQLiteConn) error {
	return conn.RegisterFunc("regexp", regex, true)
	},
	})
	}

	func (db *datastore) isDuplicateKeyErr(err error) bool {
	if db.driverName == driverSQLite {
	if err, ok := err.(sqlite3.Error); ok {
	return err.Code == sqlite3.ErrConstraint
	}
	} else if db.driverName == driverMySQL {
	if mysqlErr, ok := err.(*mysql.MySQLError); ok {
	return mysqlErr.Number == mySQLErrDuplicateKey
	}
	} else {
	log.Error("isDuplicateKeyErr: failed check for unrecognized driver '%s'", db.driverName)
	}

	return false
	}

	func (db *datastore) isIgnorableError(err error) bool {
	if db.driverName == driverMySQL {
	if mysqlErr, ok := err.(*mysql.MySQLError); ok {
	return mysqlErr.Number == mySQLErrCollationMix
	}
	} else {
	log.Error("isIgnorableError: failed check for unrecognized driver '%s'", db.driverName)
	}

	return false
	}