Method ReadMaxVersion

internal/iplibrary/ip_list_sqlite.go:247–279

ReadMaxVersion 读取当前最大版本号

()

// ReadMaxVersion 读取当前最大版本号
func (this *SQLiteIPList) ReadMaxVersion() (int64, error) {
	if this.isClosed {
		return 0, nil
	}

	// from version table
	{
		var row = this.selectVersionStmt.QueryRow()
		if row == nil {
			return 0, nil
		}
		var version int64
		err := row.Scan(&version)
		if err == nil {
			return version, nil
		}
	}

	// from items table
	{
		var row = this.selectMaxItemVersionStmt.QueryRow()
		if row == nil {
			return 0, nil
		}
		var version int64
		err := row.Scan(&version)
		if err != nil {
			return 0, nil
		}

		return version, nil
	}
}

// UpdateMaxVersion 修改版本号
func (this *SQLiteIPList) UpdateMaxVersion(version int64) error {