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|
<?php
if (!$SQL_CLASS_LOAD){
class cSQL {
var $sql_type;
var $errstr;
var $errno;
var $db;
var $num_fields;
var $num_rows;
var $no_queries;
var $result;
var $myrow;
var $sql_query;
function connect($sql_type, $hostname, $username, $password, $db){
//function connect(){
//$sql_type = 'MySQL';
//$hostname = 'localhost';
//$username = 'root';
//$password = 'xxx';
//$db = 'chat';
switch (strtolower($sql_type)){
/* MySQL */
case 'mysql' :
$this->sql_type = "MySQL";
if (($this->db = mysql_connect($hostname, $username, $password)) === FALSE){
$this->error(mysql_error(), mysql_errno());
}
if ($db != 'null'){
if ((mysql_select_db($db, $this->db)) === FALSE){
$this->error(mysql_error(), mysql_errno());
}
}
return TRUE;
break;
/* END MySQL */
/* PostgrSQL */
case 'postgresql' :
$this->sql_type = "PostgreSQL";
if (($this->db = pg_connect("host=".$hostname." dbname=".$db." user=".$username." password=".$password)) === FALSE){
$this->error(pg_errormessage(), 1);
}
return TRUE;
break;
/* END PostgreSQL */
default :
$this->error("Unkown database type '$sql_type'", 1);
break;
}
$this->no_queries = 0;
}
function select_db($db){
switch($this->sql_type){
/* MySQL */
case 'MySQL' :
if ((mysql_select_db($db, $this->db)) === FALSE){
$this->error(mysql_error(), mysql_errno());
return FALSE;
}
return TRUE;
break;
/* END MySQL */
}
}
function query($sql){
switch($this->sql_type){
/* MySQL */
case 'MySQL' :
$this->sql_query = $sql;
if (($this->result = mysql_query($sql)) === FALSE){
$this->error(mysql_error(), mysql_errno());
}
++$this->no_query;
if (is_resource($this->result)){
$this->num_fields = mysql_num_fields($this->result);
$this->num_rows = mysql_num_rows($this->result);
}
return TRUE;
break;
/* END MySQL */
/* PostgreSQL */
case 'PostgreSQL' :
$this->sql_query = $sql;
if (($this->result = pg_query($sql)) === FALSE){
$this->error(pg_errormessage(), 1);
}
++$this->no_query;
if (is_resource($this->result)){
$this->num_fields = pg_num_fields($this->result);
$this->num_rows = pg_num_rows($this->result);
}
return TRUE;
break;
/* END PostgreSQL */
}
}
function result(){
switch($this->sql_type){
/* MySQL */
case 'MySQL' :
$this->myrow = mysql_fetch_array($this->result);
return $this->myrow;
break;
/* END MySQL */
/* PostgreSQL */
case 'PostgreSQL' :
$this->myrow = pg_fetch_array($this->result);
return $this->myrow;
break;
/* END PostgreSQL */
}
}
function show_tables(){
switch($this->sql_type){
/* MySQL */
case 'MySQL' :
$this->query("show tables;");
break;
/* END MySQL */
/* PostgreSQL */
case 'PostgreSQL' :
$this->query("select * from \"pg_tables\""); //test
break;
/* END PostgreSQL */
}
}
function describe($sql_table){
switch($this->sql_type){
/* MySQL */
case 'MySQL' :
$this->query("describe ".$sql_table);
break;
/* END MySQL */
/* PostgreSQL */
case 'PostgreSQL' :
$this->query("SELECT a.attname, format_type(a.atttypid, a.atttypmod), a.attnotnull, a.atthasdef, a.attnum, col_description(a.attrelid, a.attnum) FROM pg_class c, pg_attribute a WHERE c.relname='".$sql_table."' AND a.attnum > 0 AND a.attrelid = c.oid ORDER BY a.attnum"); //test
break;
/* END PostgreSQL */
}
}
function optimize($table){
switch($this->sql_type){
/* MySQL */
case 'MySQL' :
$this->query("optimize table `".$table."`");
break;
/* END MySQL */
/* PostgreSQL */
case 'PostgreSQL' :
$this->query("vacuum \"".$table."\"");
$this->query("reindex table \"".$table."\"");
break;
/* END PostgreSQL */
}
}
function report(){
echo $this->no_query;
}
function last_insert_id(){
return mysql_insert_id($this->db);
}
function error($errstr, $errno){
echo "<FONT FACE = \"Tahoma\" SIZE = 1 COLOR = \"#FF0000\">\n";
echo $this->sql_type . " Error: <B>$errstr</B> [$errno]<BR>\n";
echo "<B>SQL Query:</B><I> ".$this->sql_query."<BR>\n";
echo "</FONT>\n";
die();
}
function close(){
switch($this->sql_type){
/* MySQL */
case 'MySQL' :
mysql_close($this->db);
break;
/* END MySQL */
/* PostgreSQL */
case 'PostgreSQL' :
pg_close($this->db);
break;
/* END PostgreSQL */
}
}
}
}
$SQL_CLASS_LOAD = 1;
?> |
