Zabbix

/*

** Zabbix

** Copyright (C) 2001-2025 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 oracle

​

import (

    "context"

    "database/sql"

    "fmt"

    "net/url"

    "strings"

    "sync"

    "time"

​

    "github.com/godror/godror"

    "github.com/omeid/go-yarn"

    "golang.zabbix.com/sdk/errs"

    "golang.zabbix.com/sdk/log"

    "golang.zabbix.com/sdk/uri"

    "golang.zabbix.com/sdk/zbxerr"

)

​

var errInvalidPrivilege = errs.New("invalid connection privilege")

​

type OraClient interface {

    Query(ctx context.Context, query string, args ...interface{}) (rows *sql.Rows, err error)

    QueryByName(ctx context.Context, queryName string, args ...interface{}) (rows *sql.Rows, err error)

    QueryRow(ctx context.Context, query string, args ...interface{}) (row *sql.Row, err error)

    QueryRowByName(ctx context.Context, queryName string, args ...interface{}) (row *sql.Row, err error)

    WhoAmI() string

}

​

type OraConn struct {

    client           *sql.DB

    callTimeout      time.Duration

    version          godror.VersionInfo

    lastAccessTime   time.Time

    lastAccessTimeMu sync.Mutex

    ctx              context.Context //nolint:containedctx

    queryStorage     *yarn.Yarn

    username         string

}

​

var errorQueryNotFound = "query %q not found"

​

// Query wraps DB.QueryContext.

func (conn *OraConn) Query(ctx context.Context, query string, args ...interface{}) (rows *sql.Rows, err error) {