Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 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 General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

package mysql

​

import (

    "database/sql"

)

​

// rows2data scans rows and returns it as an array of key-value pairs.

// https://github.com/go-sql-driver/mysql/wiki/Examples

func rows2data(rows *sql.Rows) (result []map[string]string, err error) {

    defer rows.Close()

​

    columns, err := rows.Columns()

    if err != nil {

        return nil, err

    }

​

    values := make([]sql.RawBytes, len(columns))

​

    // rows.Scan wants '[]interface{}' as an argument, so we must copy the

    // references into such a slice

    // See http://code.google.com/p/go-wiki/wiki/InterfaceSlice for details

    scanArgs := make([]interface{}, len(values))

    for i := range values {

        scanArgs[i] = &values[i]

    }

​

    for rows.Next() {

        err = rows.Scan(scanArgs...)

        if err != nil {

            return nil, err

        }

​

        entry := make(map[string]string)

​

        for i, col := range values {

            if col == nil {

                entry[columns[i]] = ""

            } else {

                entry[columns[i]] = string(col)

            }

        }

​

        result = append(result, entry)

    }