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

@ -18,39 +18,54 @@
* (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 $query_limit_offset;
var $query_limit_numrows;
var $query_limit_success;
var $next_id;
var $row; 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);
} }
if($this->db_connect_id){ else
if($this->dbname != ""){ {
$dbselect = @mssql_select_db($this->dbname); $this->db_connect_id = @mssql_connect($this->server, $this->user, $this->password);
if(!$dbselect){ }
if($this->db_connect_id)
{
if($this->dbname != "")
{
$dbselect = @mssql_select_db($this->dbname, $this->db_connect_id);
if(!$dbselect)
{
@mssql_close($this->db_connect_id); @mssql_close($this->db_connect_id);
$this->db_connect_id = $dbselect;
} }
$this->db_connect_id = $dbselect;
} }
} }
return $this->db_connect_id; return $this->db_connect_id;
@ -58,23 +73,30 @@ class sql_db {
// //
// Other base methods // Other base methods
// //
function sql_setdb($database){ function sql_setdb($database)
{
$this->dbname = $database; $this->dbname = $database;
$dbselect = @mssql_select_db($this->dbname); $dbselect = @mssql_select_db($this->dbname);
if(!$dbselect){ if(!$dbselect)
{
sql_close(); sql_close();
$this->db_connect_id = $dbselect; $this->db_connect_id = $dbselect;
} }
return $this->db_connect_id; return $this->db_connect_id;
} }
function sql_close(){ function sql_close()
if($this->db_connect_id){ {
if($this->query_result){ if($this->db_connect_id)
{
if($this->query_result)
{
@mssql_free_result($this->query_result); @mssql_free_result($this->query_result);
} }
$result = @mssql_close($this->db_connect_id); $result = @mssql_close($this->db_connect_id);
return $result; return $result;
} else { }
else
{
return false; return false;
} }
} }
@ -83,120 +105,321 @@ class sql_db {
// //
// Query method // Query method
// //
function sql_query($query=""){ function sql_query($query = "")
{
//
// Remove any pre-existing queries // Remove any pre-existing queries
//
unset($this->query_result); unset($this->query_result);
unset($this->row); unset($this->row);
if($query != ""){ if($query != "")
{
//
// Does query contain any LIMIT code? // Does query contain any LIMIT code?
// If so pull out relevant start and num_results // If so pull out relevant start and num_results
// This isn't terribly easy with MSSQL, the best way is // This isn't terribly easy with MSSQL, whatever
// to use a temporary table. // you do will potentially impact performance
if(eregi("LIMIT ",$query){ // compared to an 'in-built' limit
eregi("LIMIT ([0-9]+)[, ]+([0-9]+)", $query, $limits); //
$row_offset = $limits[1]; if(eregi(" LIMIT ", $query))
if($limits[2]) {
eregi("^([a-zA-Z0-9 \*\,\'\"\+\?\.]+) LIMIT ([0-9]+)[, ]*([0-9]+)*", $query, $limits);
$query = $limits[1];
if($limits[3])
{
$row_offset = $limits[2];
$num_rows = $limits[3];
}
else
{
$row_offset = 0;
$num_rows = $limits[2]; $num_rows = $limits[2];
} else { }
mssql_query("SET ROWCOUNT ".($row_offset + $num_rows));
$this->query_result = @mssql_query($query, $this->db_connect_id); $this->query_result = @mssql_query($query, $this->db_connect_id);
mssql_query("SET ROWCOUNT 0");
$this->query_limit_success[$query_id] = true;
if($this->query_result && $row_offset>0)
{
$result = @mssql_data_seek($this->query_result, $row_offset);
if(!$result)
{
$this->query_limit_success[$query_id] = false;
} }
$this->query_limit_offset[$this->query_result] = $row_offset;
$this->query_limit_numrows[$this->query_result] = $num_rows;
}
}
else if(eregi("^INSERT ", $query))
{
$this->query_result = @mssql_query($query, $this->db_connect_id);
$next_id_query = @mssql_query("SELECT @@IDENTITY AS this_id");
$this->next_id[$this->query_result] = $this->sql_fetchfield("this_id", -1, $next_id_query);
$this->query_limit_offset[$this->query_result] = -1;
$this->query_limit_numrows[$this->query_result] = -1;
}
else
{
$this->query_result = @mssql_query($query, $this->db_connect_id);
$this->query_limit_offset[$this->query_result] = -1;
$this->query_limit_numrows[$this->query_result] = -1;
}
return $this->query_result; return $this->query_result;
} else { }
return 0; else
{
return false;
} }
} }
// //
// Other query methods // Other query methods
// //
function sql_numrows(){ function sql_numrows($query_id = 0)
if($this->query_result){ {
$result = @mssql_num_rows($this->query_result); if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
if($this->query_limit_offset[$query_id] > 0)
{
$result = @mssql_num_rows($query_id) - $this->query_limit_offset[$query_id];
}
else
{
$result = @mssql_num_rows($query_id);
}
return $result; return $result;
} else { }
else
{
return false; return false;
} }
} }
function sql_numfields(){ function sql_numfields($query_id = 0)
if($this->query_result){ {
$result = @mssql_num_fields($this->query_result); if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @mssql_num_fields($query_id);
return $result; return $result;
} else { }
else
{
return false; return false;
} }
} }
function sql_fieldname($offset){ function sql_fieldname($offset, $query_id = 0)
if($this->query_result){ {
$result = @mssql_field_name($this->query_result, $offset); if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @mssql_field_name($query_id, $offset);
return $result; return $result;
} else { }
else
{
return false; return false;
} }
} }
function sql_fieldtype($offset){ function sql_fieldtype($offset, $query_id = 0)
if($this->query_result){ {
$result = @mssql_field_type($this->query_result, $offset); if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @mssql_field_type($query_id, $offset);
return $result; return $result;
} else { }
else
{
return false; return false;
} }
} }
function sql_fetchrow(){ function sql_fetchrow($query_id = 0)
if($this->query_result){ {
$this->row = @mssql_fetch_array($this->query_result); 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; return $this->row;
} else { }
else
{
return false; return false;
} }
} }
function sql_fetchrowset(){ else
if($this->query_result){ {
$this->row = @mssql_fetch_array($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($this->rowset); empty($this->rowset);
while($this->rowset = @mssql_fetch_array($this->query_result)){ $i = 0;
while($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; $result[] = $this->rowset;
} }
}
else
{
$result = false;
}
return $result; return $result;
} else { }
else
{
return false; return false;
} }
} }
function sql_fetchfield($field, $row=-1) { function sql_fetchfield($field, $row = -1, $query_id)
if($this->query_result){ {
if($row != -1){ if(!$query_id)
$result=@mssql_result($this->query_result, $row, $field); {
} else { $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)) if(empty($this->row))
$this->row = @mssql_fetch_array($this->query_result); {
$this->row = @mssql_fetch_array($query_id);
$result = $this->row[$field]; $result = $this->row[$field];
} }
}
return $result; return $result;
} else { }
else
{
return false; return false;
} }
} }
function sql_rowseek($offset){ function sql_rowseek($offset, $query_id = 0)
if($this->query_result){ {
$result = @mssql_data_seek($this->query_result, $rownum); if(!$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; return $result;
} else { }
else
{
return false; return false;
} }
} }
function sql_nextid(){ function sql_nextid($query_id = 0)
if($this->query_result){ {
if(!$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; return $result;
} else { }
else
{
return false; return false;
} }
} }
function sql_freeresult(){ function sql_error($query_id = 0)
if($this->query_result){ {
@mssql_free_result($this->query_result);
return;
} else {
return false;
}
}
function sql_error(){
$result[message] = @mssql_get_last_message(); $result[message] = @mssql_get_last_message();
return $result; return $result;
} }