+++ /dev/null
-<?php
-/***************************************************************************
- * mssql.php
- * -------------------
- * begin : Saturday, Feb 13, 2001
- * copyright : (C) 2001 The phpBB Group
- * email : supportphpbb.com
- *
- * $Id: mssql.php,v 1.22.2.4 2006/03/09 19:57:37 grahamje 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","mssql");
-
-class sql_db
-{
-
- var $db_connect_id;
- var $result;
-
- var $next_id;
- var $in_transaction = 0;
-
- var $row = array();
- var $rowset = array();
- var $limit_offset;
- var $query_limit_success;
-
- var $num_queries = 0;
-
- //
- // Constructor
- //
- function sql_db($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 = ( $this->persistency ) ? @mssql_pconnect($this->server, $this->user, $this->password) : @mssql_connect($this->server, $this->user, $this->password);
-
- if( $this->db_connect_id && $this->dbname != "" )
- {
- if( !mssql_select_db($this->dbname, $this->db_connect_id) )
- {
- mssql_close($this->db_connect_id);
- return false;
- }
- }
-
- return $this->db_connect_id;
- }
-
- //
- // Other base methods
- //
- function sql_close()
- {
- if($this->db_connect_id)
- {
- //
- // Commit any remaining transactions
- //
- if( $this->in_transaction )
- {
- @mssql_query("COMMIT", $this->db_connect_id);
- }
-
- return @mssql_close($this->db_connect_id);
- }
- else
- {
- return false;
- }
- }
-
-
- //
- // Query method
- //
- function sql_query($query = '', $transaction = FALSE)
- {
- //
- // Remove any pre-existing queries
- //
- unset($this->result);
- unset($this->row);
-
- if ( $query != '' )
- {
- $this->num_queries++;
-
- if ( $transaction == BEGIN_TRANSACTION && !$this->in_transaction )
- {
- if ( !@mssql_query('BEGIN TRANSACTION', $this->db_connect_id) )
- {
- return false;
- }
- $this->in_transaction = TRUE;
- }
-
- //
- // Does query contain any LIMIT code? If so pull out relevant start and num_results
- // This isn't terribly easy with MSSQL, whatever you do will potentially impact
- // performance compared to an 'in-built' limit
- //
- // Another issue is the 'lack' of a returned true value when a query is valid but has
- // no result set (as with all the other DB interfaces). It seems though that it's
- // 'fair' to say that if a query returns a false result (ie. no resource id) then the
- // SQL was valid but had no result set. If the query returns nothing but the rowcount
- // returns something then there's a problem. This may well be a false assumption though
- // ... needs checking under Windows itself.
- //
- if( preg_match('#^SELECT(.*?)(LIMIT ([0-9]+)[, ]*([0-9]+)*)?$#s', $query, $limits) )
- {
- $query = $limits[1];
-
- if( !empty($limits[2]) )
- {
- $row_offset = ( $limits[4] ) ? $limits[3] : "";
- $num_rows = ( $limits[4] ) ? $limits[4] : $limits[3];
-
- $query = 'TOP ' . ( $row_offset + $num_rows ) . $query;
- }
-
- $this->result = @mssql_query("SELECT $query", $this->db_connect_id);
-
- if( $this->result )
- {
- $this->limit_offset[$this->result] = ( !empty($row_offset) ) ? $row_offset : 0;
-
- if( $row_offset > 0 )
- {
- @mssql_data_seek($this->result, $row_offset);
- }
- }
- }
- else if( preg_match('#^INSERT #i', $query) )
- {
- if( @mssql_query($query, $this->db_connect_id) )
- {
- $this->result = time() + microtime();
-
- $result_id = @mssql_query('SELECT @@IDENTITY AS id, @@ROWCOUNT as affected', $this->db_connect_id);
- if( $result_id )
- {
- if( $row = @mssql_fetch_array($result_id) )
- {
- $this->next_id[$this->db_connect_id] = $row['id'];
- $this->affected_rows[$this->db_connect_id] = $row['affected'];
- }
- }
- }
- }
- else
- {
- if( @mssql_query($query, $this->db_connect_id) )
- {
- $this->result = time() + microtime();
-
- $result_id = @mssql_query('SELECT @@ROWCOUNT as affected', $this->db_connect_id);
- if( $result_id )
- {
- if( $row = @mssql_fetch_array($result_id) )
- {
- $this->affected_rows[$this->db_connect_id] = $row['affected'];
- }
- }
- }
- }
-
- if( !$this->result )
- {
- if( $this->in_transaction )
- {
- @mssql_query('ROLLBACK', $this->db_connect_id);
- $this->in_transaction = FALSE;
- }
-
- return false;
- }
-
- if( $transaction == END_TRANSACTION && $this->in_transaction )
- {
- $this->in_transaction = FALSE;
-
- if( !@mssql_query('COMMIT', $this->db_connect_id) )
- {
- @mssql_query("ROLLBACK", $this->db_connect_id);
- return false;
- }
- }
-
- return $this->result;
- }
- else
- {
- if( $transaction == END_TRANSACTION && $this->in_transaction )
- {
- $this->in_transaction = FALSE;
-
- if( !@mssql_query('COMMIT', $this->db_connect_id) )
- {
- @mssql_query('ROLLBACK', $this->db_connect_id);
- return false;
- }
- }
-
- return true;
- }
- }
-
- //
- // Other query methods
- //
- function sql_numrows($query_id = 0)
- {
- if( !$query_id )
- {
- $query_id = $this->result;
- }
-
- if( $query_id )
- {
- return ( !empty($this->limit_offset[$query_id]) ) ? @mssql_num_rows($query_id) - $this->limit_offset[$query_id] : @mssql_num_rows($query_id);
- }
- else
- {
- return false;
- }
- }
-
- function sql_numfields($query_id = 0)
- {
- if( !$query_id )
- {
- $query_id = $this->result;
- }
-
- return ( $query_id ) ? @mssql_num_fields($query_id) : false;
- }
-
- function sql_fieldname($offset, $query_id = 0)
- {
- if( !$query_id )
- {
- $query_id = $this->result;
- }
-
- return ( $query_id ) ? @mssql_field_name($query_id, $offset) : false;
- }
-
- function sql_fieldtype($offset, $query_id = 0)
- {
- if(!$query_id)
- {
- $query_id = $this->result;
- }
-
- return ( $query_id ) ? @mssql_field_type($query_id, $offset) : false;
- }
-
- function sql_fetchrow($query_id = 0)
- {
- if( !$query_id )
- {
- $query_id = $this->result;
- }
-
- if( $query_id )
- {
- empty($row);
-
- $row = @mssql_fetch_array($query_id);
-
- while( list($key, $value) = @each($row) )
- {
- $row[$key] = ($value === ' ') ? '' : stripslashes($value);
- }
- @reset($row);
-
- return $row;
- }
- else
- {
- return false;
- }
- }
-
- function sql_fetchrowset($query_id = 0)
- {
- if( !$query_id )
- {
- $query_id = $this->result;
- }
-
- if( $query_id )
- {
- $i = 0;
- empty($rowset);
-
- while( $row = @mssql_fetch_array($query_id))
- {
- while( list($key, $value) = @each($row) )
- {
- $rowset[$i][$key] = ($value === ' ') ? '' : stripslashes($value);
- }
- $i++;
- }
- @reset($rowset);
-
- return $rowset;
- }
- else
- {
- return false;
- }
- }
-
- function sql_fetchfield($field, $row = -1, $query_id)
- {
- if( !$query_id )
- {
- $query_id = $this->result;
- }
-
- if( $query_id )
- {
- if( $row != -1 )
- {
- if( $this->limit_offset[$query_id] > 0 )
- {
- $result = ( !empty($this->limit_offset[$query_id]) ) ? @mssql_result($this->result, ($this->limit_offset[$query_id] + $row), $field) : false;
- }
- else
- {
- $result = @mssql_result($this->result, $row, $field);
- }
- }
- else
- {
- if( empty($this->row[$query_id]) )
- {
- $this->row[$query_id] = @mssql_fetch_array($query_id);
- $result = ($this->row[$query_id][$field] === ' ') ? '' : stripslashes($this->row[$query_id][$field]);
- }
- }
-
- return $result;
- }
- else
- {
- return false;
- }
- }
-
- function sql_rowseek($rownum, $query_id = 0)
- {
- if( !$query_id )
- {
- $query_id = $this->result;
- }
-
- if( $query_id )
- {
- return ( !empty($this->limit_offset[$query_id]) ) ? @mssql_data_seek($query_id, ($this->limit_offset[$query_id] + $rownum)) : @mssql_data_seek($query_id, $rownum);
- }
- else
- {
- return false;
- }
- }
-
- function sql_nextid()
- {
- return ( $this->next_id[$this->db_connect_id] ) ? $this->next_id[$this->db_connect_id] : false;
- }
-
- function sql_affectedrows()
- {
- return ( $this->affected_rows[$this->db_connect_id] ) ? $this->affected_rows[$this->db_connect_id] : false;
- }
-
- function sql_freeresult($query_id = 0)
- {
- if( !$query_id )
- {
- $query_id = $this->result;
- }
-
- return ( $query_id ) ? @mssql_free_result($query_id) : false;
- }
-
- function sql_error($query_id = 0)
- {
- $result['message'] = @mssql_get_last_message();
- return $result;
- }
-
-} // class sql_db
-
-} // if ... define
-
-?>
\ No newline at end of file