Complete Update. Should be fully functional

git-svn-id: file:///svn/phpbb/trunk@11 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Paul S. Owen 2001-02-22 01:29:35 +00:00
parent 89c18cc4f7
commit 3f3c0d56be

View file

@ -18,188 +18,411 @@
* (at your option) any later version. * (at your option) any later version.
* *
***************************************************************************/ ***************************************************************************/
if(!defined("SQL_LAYER")){
if(!defined("SQL_LAYER"))
{
define("SQL_LAYER","mssql"); define("SQL_LAYER","mssql");
class sql_db { class sql_db
{
var $db_connect_id; var $db_connect_id;
var $query_result; var $query_result;
var $row; var $query_limit_offset;
var $query_limit_numrows;
var $query_limit_success;
var $next_id;
var $row;
// //
// Constructor // Constructor
// //
function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $persistency=false){ function sql_db($sqlserver, $sqluser, $sqlpassword, $database, $persistency = true)
{
$this->persistency = $persistency; $this->persistency = $persistency;
$this->user = $sqluser; $this->user = $sqluser;
$this->password = $sqlpassword; $this->password = $sqlpassword;
$this->host = $sqlserver; $this->server = $sqlserver;
$this->dbname = $database; $this->dbname = $database;
if($this->persistency){ if($this->persistency)
$this->db_connect_id = @mssql_pconnect($this->server,$this->user,$this->password); {
} else { $this->db_connect_id = @mssql_pconnect($this->server, $this->user, $this->password);
$this->db_connect_id = @mssql_connect($this->server,$this->user,$this->password); }
} else
if($this->db_connect_id){ {
if($this->dbname != ""){ $this->db_connect_id = @mssql_connect($this->server, $this->user, $this->password);
$dbselect = @mssql_select_db($this->dbname); }
if(!$dbselect){
@mssql_close($this->db_connect_id); if($this->db_connect_id)
$this->db_connect_id = $dbselect; {
} if($this->dbname != "")
} {
} $dbselect = @mssql_select_db($this->dbname, $this->db_connect_id);
return $this->db_connect_id; if(!$dbselect)
} {
// @mssql_close($this->db_connect_id);
// Other base methods }
// $this->db_connect_id = $dbselect;
function sql_setdb($database){ }
$this->dbname = $database; }
$dbselect = @mssql_select_db($this->dbname); return $this->db_connect_id;
if(!$dbselect){ }
sql_close(); //
$this->db_connect_id = $dbselect; // Other base methods
} //
return $this->db_connect_id; function sql_setdb($database)
} {
function sql_close(){ $this->dbname = $database;
if($this->db_connect_id){ $dbselect = @mssql_select_db($this->dbname);
if($this->query_result){ if(!$dbselect)
@mssql_free_result($this->query_result); {
} sql_close();
$result = @mssql_close($this->db_connect_id); $this->db_connect_id = $dbselect;
return $result; }
} else { return $this->db_connect_id;
return false; }
} function sql_close()
} {
if($this->db_connect_id)
{
if($this->query_result)
{
@mssql_free_result($this->query_result);
}
$result = @mssql_close($this->db_connect_id);
return $result;
}
else
{
return false;
}
}
// //
// Query method // Query method
// //
function sql_query($query=""){ function sql_query($query = "")
// Remove any pre-existing queries {
unset($this->query_result); //
unset($this->row); // Remove any pre-existing queries
if($query != ""){ //
// Does query contain any LIMIT code? unset($this->query_result);
// If so pull out relevant start and num_results unset($this->row);
// This isn't terribly easy with MSSQL, the best way is if($query != "")
// to use a temporary table. {
if(eregi("LIMIT ",$query){ //
eregi("LIMIT ([0-9]+)[, ]+([0-9]+)", $query, $limits); // Does query contain any LIMIT code?
$row_offset = $limits[1]; // If so pull out relevant start and num_results
if($limits[2]) // This isn't terribly easy with MSSQL, whatever
$num_rows = $limits[2]; // you do will potentially impact performance
} else { // compared to an 'in-built' limit
$this->query_result = @mssql_query($query, $this->db_connect_id); //
} if(eregi(" LIMIT ", $query))
return $this->query_result; {
} else { eregi("^([a-zA-Z0-9 \*\,\'\"\+\?\.]+) LIMIT ([0-9]+)[, ]*([0-9]+)*", $query, $limits);
return 0;
} $query = $limits[1];
} if($limits[3])
// {
// Other query methods $row_offset = $limits[2];
// $num_rows = $limits[3];
function sql_numrows(){ }
if($this->query_result){ else
$result = @mssql_num_rows($this->query_result); {
return $result; $row_offset = 0;
} else { $num_rows = $limits[2];
return false; }
}
} mssql_query("SET ROWCOUNT ".($row_offset + $num_rows));
function sql_numfields(){ $this->query_result = @mssql_query($query, $this->db_connect_id);
if($this->query_result){ mssql_query("SET ROWCOUNT 0");
$result = @mssql_num_fields($this->query_result);
return $result; $this->query_limit_success[$query_id] = true;
} else {
return false; if($this->query_result && $row_offset>0)
} {
} $result = @mssql_data_seek($this->query_result, $row_offset);
function sql_fieldname($offset){ if(!$result)
if($this->query_result){ {
$result = @mssql_field_name($this->query_result, $offset); $this->query_limit_success[$query_id] = false;
return $result; }
} else { $this->query_limit_offset[$this->query_result] = $row_offset;
return false; $this->query_limit_numrows[$this->query_result] = $num_rows;
} }
} }
function sql_fieldtype($offset){ else if(eregi("^INSERT ", $query))
if($this->query_result){ {
$result = @mssql_field_type($this->query_result, $offset); $this->query_result = @mssql_query($query, $this->db_connect_id);
return $result;
} else { $next_id_query = @mssql_query("SELECT @@IDENTITY AS this_id");
return false; $this->next_id[$this->query_result] = $this->sql_fetchfield("this_id", -1, $next_id_query);
}
} $this->query_limit_offset[$this->query_result] = -1;
function sql_fetchrow(){ $this->query_limit_numrows[$this->query_result] = -1;
if($this->query_result){ }
$this->row = @mssql_fetch_array($this->query_result); else
return $this->row; {
} else { $this->query_result = @mssql_query($query, $this->db_connect_id);
return false;
} $this->query_limit_offset[$this->query_result] = -1;
} $this->query_limit_numrows[$this->query_result] = -1;
function sql_fetchrowset(){ }
if($this->query_result){
empty($this->rowset); return $this->query_result;
while($this->rowset = @mssql_fetch_array($this->query_result)){ }
$result[] = $this->rowset; else
} {
return $result; return false;
} else { }
return false; }
}
} //
function sql_fetchfield($field, $row=-1) { // Other query methods
if($this->query_result){ //
if($row != -1){ function sql_numrows($query_id = 0)
$result=@mssql_result($this->query_result, $row, $field); {
} else { if(!$query_id)
if(empty($this->row)) {
$this->row = @mssql_fetch_array($this->query_result); $query_id = $this->query_result;
$result = $this->row[$field]; }
} if($query_id)
return $result; {
} else { if($this->query_limit_offset[$query_id] > 0)
return false; {
} $result = @mssql_num_rows($query_id) - $this->query_limit_offset[$query_id];
} }
function sql_rowseek($offset){ else
if($this->query_result){ {
$result = @mssql_data_seek($this->query_result, $rownum); $result = @mssql_num_rows($query_id);
return $result; }
} else { return $result;
return false; }
} else
} {
function sql_nextid(){ return false;
if($this->query_result){ }
return $result; }
} else { function sql_numfields($query_id = 0)
return false; {
} if(!$query_id)
} {
function sql_freeresult(){ $query_id = $this->query_result;
if($this->query_result){ }
@mssql_free_result($this->query_result); if($query_id)
return; {
} else { $result = @mssql_num_fields($query_id);
return false; return $result;
} }
} else
function sql_error(){ {
$result[message] = @mssql_get_last_message(); return false;
return $result; }
} }
function sql_fieldname($offset, $query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @mssql_field_name($query_id, $offset);
return $result;
}
else
{
return false;
}
}
function sql_fieldtype($offset, $query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @mssql_field_type($query_id, $offset);
return $result;
}
else
{
return false;
}
}
function sql_fetchrow($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
if($this->query_limit_offset[$query_id] > 0)
{
if($this->query_limit_success)
{
$this->row = @mssql_fetch_array($query_id);
return $this->row;
}
else
{
return false;
}
}
else
{
$this->row = @mssql_fetch_array($query_id);
return $this->row;
}
}
else
{
return false;
}
}
function sql_fetchrowset($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
if($this->query_limit_success[$query_id])
{
empty($this->rowset);
$i = 0;
while($this->rowset = @mssql_fetch_array($query_id) && $i < $this->query_limit_numrows[$query_id])
{
$result[] = $this->rowset;
$i++;
}
}
else if($this->query_limit_numrows[$query_id] == -1)
{
empty($this->rowset);
while($this->rowset = @mssql_fetch_array($this->query_result))
{
$result[] = $this->rowset;
}
}
else
{
$result = false;
}
return $result;
}
else
{
return false;
}
}
function sql_fetchfield($field, $row = -1, $query_id)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
if($row != -1)
{
if($this->query_limit_offset[$query_id] > 0)
{
if($this->query_limit_offset[$query_id] > 0 && $this->query_limit_success)
{
$result = @mssql_result($this->query_result, ($this->query_limit_offset[$query_id] + $row), $field);
}
else
{
return false;
}
}
else
{
$result = @mssql_result($this->query_result, $row, $field);
}
}
else
{
if(empty($this->row))
{
$this->row = @mssql_fetch_array($query_id);
$result = $this->row[$field];
}
}
return $result;
}
else
{
return false;
}
}
function sql_rowseek($offset, $query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
if($this->query_limit_offset[$query_id] > 0)
{
$result = @mssql_data_seek($query_id, ($this->query_limit_offset[$query_id] + $rownum));
}
else
{
$result = @mssql_data_seek($query_id, $rownum);
}
return $result;
}
else
{
return false;
}
}
function sql_nextid($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
return $this->next_id[$query_id]+1;
}
else
{
return false;
}
}
function sql_freeresult($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @mssql_free_result($query_id);
return $result;
}
else
{
return false;
}
}
function sql_error($query_id = 0)
{
$result[message] = @mssql_get_last_message();
return $result;
}
} // class sql_db } // class sql_db