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File: mysql4.php

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  Classes of David Frendin  >  lib_dictionary  >  mysql4.php  >  Download  
File: mysql4.php
Role: Class source
Content type: text/plain
Description: database class from phpbb2
Class: lib_dictionary
Check text spelling with a dictionary in MySQL
Author: By
Last change:
Date: 7 years ago
Size: 6,873 bytes
 

Contents

Class file image Download
<?php
/***************************************************************************
 * mysql4.php
 * -------------------
 * begin : Saturday, Feb 13, 2001
 * copyright : (C) 2001 The phpBB Group
 * email : supportphpbb.com
 *
 * $Id: mysql4.php,v 1.5.2.1 2005/09/18 16:17:20 acydburn Exp $
 *
 ***************************************************************************/

/***************************************************************************
 *
 * 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.
 *
 ***************************************************************************/

if(!defined("SQL_LAYER"))
{

define("SQL_LAYER","mysql4");

class
sql_db
{

    var
$db_connect_id;
    var
$query_result;
    var
$row = array();
    var
$rowset = array();
    var
$num_queries = 0;
    var
$in_transaction = 0;

   
//
    // Constructor
    //
   
function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $persistency = true)
    {
       
$this->persistency = $persistency;
       
$this->user = $sqluser;
       
$this->password = $sqlpassword;
       
$this->server = $sqlserver;
       
$this->dbname = $database;

       
$this->db_connect_id = ($this->persistency) ? mysql_pconnect($this->server, $this->user, $this->password) : mysql_connect($this->server, $this->user, $this->password);

        if(
$this->db_connect_id )
        {
            if(
$database != "" )
            {
               
$this->dbname = $database;
               
$dbselect = mysql_select_db($this->dbname);

                if( !
$dbselect )
                {
                   
mysql_close($this->db_connect_id);
                   
$this->db_connect_id = $dbselect;
                }
            }

            return
$this->db_connect_id;
        }
        else
        {
            return
false;
        }
    }

   
//
    // Other base methods
    //
   
function sql_close()
    {
        if(
$this->db_connect_id )
        {
           
//
            // Commit any remaining transactions
            //
           
if( $this->in_transaction )
            {
               
mysql_query("COMMIT", $this->db_connect_id);
            }

            return
mysql_close($this->db_connect_id);
        }
        else
        {
            return
false;
        }
    }

   
//
    // Base query method
    //
   
function sql_query($query = "", $transaction = FALSE)
    {
        global
$total_queries;
       
$total_queries++;
       
//
        // Remove any pre-existing queries
        //
       
unset($this->query_result);

        if(
$query != "" )
        {
           
$this->num_queries++;
            if(
$transaction == BEGIN_TRANSACTION && !$this->in_transaction )
            {
               
$result = mysql_query("BEGIN", $this->db_connect_id);
                if(!
$result)
                {
                    return
false;
                }
               
$this->in_transaction = TRUE;
            }

           
$this->query_result = mysql_query($query, $this->db_connect_id);
        }
        else
        {
            if(
$transaction == END_TRANSACTION && $this->in_transaction )
            {
               
$result = mysql_query("COMMIT", $this->db_connect_id);
            }
        }

        if(
$this->query_result )
        {
            unset(
$this->row[$this->query_result]);
            unset(
$this->rowset[$this->query_result]);

            if(
$transaction == END_TRANSACTION && $this->in_transaction )
            {
               
$this->in_transaction = FALSE;

                if ( !
mysql_query("COMMIT", $this->db_connect_id) )
                {
                   
mysql_query("ROLLBACK", $this->db_connect_id);
                    return
false;
                }
            }
           
            return
$this->query_result;
        }
        else
        {
            if(
$this->in_transaction )
            {
               
mysql_query("ROLLBACK", $this->db_connect_id);
               
$this->in_transaction = FALSE;
            }
            return
false;
        }
    }

   
//
    // Other query methods
    //
   
function sql_numrows($query_id = 0)
    {
        if( !
$query_id )
        {
           
$query_id = $this->query_result;
        }

        return (
$query_id ) ? mysql_num_rows($query_id) : false;
    }

    function
sql_affectedrows()
    {
        return (
$this->db_connect_id ) ? mysql_affected_rows($this->db_connect_id) : false;
    }

    function
sql_numfields($query_id = 0)
    {
        if( !
$query_id )
        {
           
$query_id = $this->query_result;
        }

        return (
$query_id ) ? mysql_num_fields($query_id) : false;
    }

    function
sql_fieldname($offset, $query_id = 0)
    {
        if( !
$query_id )
        {
           
$query_id = $this->query_result;
        }

        return (
$query_id ) ? mysql_field_name($query_id, $offset) : false;
    }

    function
sql_fieldtype($offset, $query_id = 0)
    {
        if( !
$query_id )
        {
           
$query_id = $this->query_result;
        }

        return (
$query_id ) ? mysql_field_type($query_id, $offset) : false;
    }

    function
sql_fetchrow($query_id = 0)
    {
        if( !
$query_id )
        {
           
$query_id = $this->query_result;
        }

        if(
$query_id )
        {
           
$this->row[$query_id] = mysql_fetch_array($query_id, MYSQL_ASSOC);
            return
$this->row[$query_id];
        }
        else
        {
            return
false;
        }
    }

    function
sql_fetchrowset($query_id = 0)
    {
        if( !
$query_id )
        {
           
$query_id = $this->query_result;
        }

        if(
$query_id )
        {
            unset(
$this->rowset[$query_id]);
            unset(
$this->row[$query_id]);

            while(
$this->rowset[$query_id] = mysql_fetch_array($query_id, MYSQL_ASSOC))
            {
               
$result[] = $this->rowset[$query_id];
            }

            return
$result;
        }
        else
        {
            return
false;
        }
    }

    function
sql_fetchfield($field, $rownum = -1, $query_id = 0)
    {
        if( !
$query_id )
        {
           
$query_id = $this->query_result;
        }

        if(
$query_id )
        {
            if(
$rownum > -1 )
            {
               
$result = mysql_result($query_id, $rownum, $field);
            }
            else
            {
                if( empty(
$this->row[$query_id]) && empty($this->rowset[$query_id]) )
                {
                    if(
$this->sql_fetchrow() )
                    {
                       
$result = $this->row[$query_id][$field];
                    }
                }
                else
                {
                    if(
$this->rowset[$query_id] )
                    {
                       
$result = $this->rowset[$query_id][0][$field];
                    }
                    else if(
$this->row[$query_id] )
                    {
                       
$result = $this->row[$query_id][$field];
                    }
                }
            }

            return
$result;
        }
        else
        {
            return
false;
        }
    }

    function
sql_rowseek($rownum, $query_id = 0)
    {
        if( !
$query_id )
        {
           
$query_id = $this->query_result;
        }

        return (
$query_id ) ? mysql_data_seek($query_id, $rownum) : false;
    }

    function
sql_nextid()
    {
        return (
$this->db_connect_id ) ? mysql_insert_id($this->db_connect_id) : false;
    }

    function
sql_freeresult($query_id = 0)
    {
        if( !
$query_id )
        {
           
$query_id = $this->query_result;
        }

        if (
$query_id )
        {
            unset(
$this->row[$query_id]);
            unset(
$this->rowset[$query_id]);

           
mysql_free_result($query_id);

            return
true;
        }
        else
        {
            return
false;
        }
    }

    function
sql_error()
    {
       
$result['message'] = mysql_error($this->db_connect_id);
       
$result['code'] = mysql_errno($this->db_connect_id);

        return
$result;
    }

}
// class sql_db

} // if ... define

?>