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- another try to break things. :)

Browse Source 
- adjusted the dbal a little bit
- removed db2 support


git-svn-id: file:///svn/phpbb/trunk@5263 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Meik Sievertsen
2005-10-07 23:00:41 +00:00
parent 8d72671cc1
commit 913c38768a
12 changed files with 914 additions and 1584 deletions
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195
phpBB/includes/db/mssql.php
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@@ -24,7 +24,9 @@ if (!defined('SQL_LAYER'))
*/
class dbal_mssql extends dbal
{
/**
* Connect to server
*/
function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false)
{
$this->persistency = $persistency;
@@ -46,29 +48,9 @@ class dbal_mssql extends dbal
return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
}
function sql_close()
{
if (!$this->db_connect_id)
{
return false;
}
if ($this->transaction)
{
@mssql_query('COMMIT', $this->db_connect_id);
}
if (sizeof($this->open_queries))
{
foreach ($this->open_queries as $i_query_id => $query_id)
{
@mssql_free_result($query_id);
}
}
return @mssql_close($this->db_connect_id);
}
/**
* sql transaction
*/
function sql_transaction($status = 'begin')
{
switch ($status)
@@ -100,7 +82,9 @@ class dbal_mssql extends dbal
return $result;
}
// Base query method
/**
* Base query method
*/
function sql_query($query = '', $cache_ttl = 0)
{
if ($query != '')
@@ -133,7 +117,6 @@ class dbal_mssql extends dbal
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
$cache->sql_save($query, $this->query_result, $cache_ttl);
// sql_freeresult called within sql_save()
}
else if (strpos($query, 'SELECT') !== false && $this->query_result)
{
@@ -153,6 +136,9 @@ class dbal_mssql extends dbal
return ($this->query_result) ? $this->query_result : false;
}
/**
* Build LIMIT query
*/
function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
{
if ($query != '')
@@ -178,10 +164,10 @@ class dbal_mssql extends dbal
}
}
// Other query methods
//
// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
// don't want this here by a middle Milestone
/**
* Return number of rows
* Not used within core code
*/
function sql_numrows($query_id = false)
{
if (!$query_id)
@@ -189,15 +175,20 @@ class dbal_mssql extends dbal
$query_id = $this->query_result;
}
// return (isset($this->limit_offset[$query_id])) ? @mssql_num_rows($query_id) - $this->limit_offset[$query_id] : @mssql_num_rows($query_id);
return ($query_id) ? @mssql_num_rows($query_id) : false;
}
/**
* Return number of affected rows
*/
function sql_affectedrows()
{
return ($this->db_connect_id) ? @mssql_rows_affected($this->db_connect_id) : false;
}
/**
* Fetch current row
*/
function sql_fetchrow($query_id = false)
{
global $cache;
@@ -214,6 +205,7 @@ class dbal_mssql extends dbal
$row = @mssql_fetch_array($query_id, MSSQL_ASSOC);
// I hope i am able to remove this later... hopefully only a PHP or MSSQL bug
if ($row)
{
foreach ($row as $key => $value)
@@ -225,7 +217,11 @@ class dbal_mssql extends dbal
return $row;
}
function sql_fetchrowset($query_id = false)
/**
* Fetch field
* if rownum is false, the current row is used, else it is pointing to the row (zero-based)
*/
function sql_fetchfield($field, $rownum = false, $query_id = false)
{
if (!$query_id)
{
@@ -234,64 +230,22 @@ class dbal_mssql extends dbal
if ($query_id)
{
unset($this->rowset[$query_id]);
unset($this->row[$query_id]);
$result = array();
while ($this->rowset[$query_id] = $this->sql_fetchrow($query_id))
if ($rownum !== false)
{
$result[] = $this->rowset[$query_id];
$this->sql_rowseek($rownum, $query_id);
}
return $result;
$row = $this->sql_fetchrow($query_id);
return isset($row[$field]) ? $row[$field] : false;
}
return false;
}
function sql_fetchfield($field, $rownum = -1, $query_id = false)
{
if (!$query_id)
{
$query_id = $this->query_result;
}
if ($query_id)
{
if ($rownum > -1)
{
// (!empty($this->limit_offset[$query_id])) ? @mssql_data_seek($query_id, ($this->limit_offset[$query_id] + $rownum)) : @mssql_data_seek($query_id, $rownum);
@mssql_data_seek($query_id, $rownum);
$row = @mssql_fetch_array($query_id, MSSQL_ASSOC);
$result = isset($row[$field]) ? $row[$field] : false;
}
else
{
if (empty($this->row[$query_id]) && empty($this->rowset[$query_id]))
{
if ($this->row[$query_id] = $this->sql_fetchrow($query_id))
{
$result = $this->row[$query_id][$field];
}
}
else
{
if ($this->rowset[$query_id])
{
$result = $this->rowset[$query_id][$field];
}
elseif ($this->row[$query_id])
{
$result = $this->row[$query_id][$field];
}
}
}
return $result;
}
return false;
}
/**
* Seek to given row number
* rownum is zero-based
*/
function sql_rowseek($rownum, $query_id = false)
{
if (!$query_id)
@@ -299,16 +253,12 @@ class dbal_mssql extends dbal
$query_id = $this->query_result;
}
if (isset($this->current_row[$query_id]))
{
// (!empty($this->limit_offset[$query_id])) ? @mssql_data_seek($query_id, ($this->limit_offset[$query_id] + $rownum)) : @mssql_data_seek($query_id, $rownum);
@mssql_data_seek($query_id, $rownum);
return true;
}
return false;
return ($query_id) ? @mssql_data_seek($query_id, $rownum) : false;
}
/**
* Get last inserted id after insert statement
*/
function sql_nextid()
{
$result_id = @mssql_query('SELECT @@IDENTITY', $this->db_connect_id);
@@ -316,13 +266,19 @@ class dbal_mssql extends dbal
{
if (@mssql_fetch_array($result_id, MSSQL_ASSOC))
{
return @mssql_result($result_id, 1);
$id = @mssql_result($result_id, 1);
@mssql_free_result($result_id);
return $id;
}
@mssql_free_result($result_id);
}
return false;
}
/**
* Free sql result
*/
function sql_freeresult($query_id = false)
{
if (!$query_id)
@@ -333,20 +289,25 @@ class dbal_mssql extends dbal
if (isset($this->open_queries[$query_id]))
{
unset($this->open_queries[$query_id]);
unset($this->result_rowset[$query_id]);
return @mssql_free_result($query_id);
}
return false;
}
/**
* Escape string used in sql query
*/
function sql_escape($msg)
{
return str_replace("'", "''", str_replace('\\', '\\\\', $msg));
}
function db_sql_error()
/**
* return sql error array
* @private
*/
function _sql_error()
{
return array(
'message' => @mssql_get_last_message($this->db_connect_id),
@@ -354,22 +315,25 @@ class dbal_mssql extends dbal
);
}
/**
* Close sql connection
* @private
*/
function _sql_close()
{
return @mssql_close($this->db_connect_id);
}
/**
* Build db-specific report
* @private
*/
function _sql_report($mode, $query = '')
{
global $cache, $starttime, $phpbb_root_path;
static $curtime, $query_hold, $html_hold;
static $sql_report = '';
static $cache_num_queries = 0;
switch ($mode)
{
case 'start':
$query_hold = $query;
$html_hold = '';
$curtime = explode(' ', microtime());
$curtime = $curtime[0] + $curtime[1];
break;
break;
case 'fromcache':
$endtime = explode(' ', microtime());
@@ -380,23 +344,14 @@ class dbal_mssql extends dbal
{
// Take the time spent on parsing rows into account
}
@mssql_free_result($result);
$splittime = explode(' ', microtime());
$splittime = $splittime[0] + $splittime[1];
$time_cache = $endtime - $curtime;
$time_db = $splittime - $endtime;
$color = ($time_db > $time_cache) ? 'green' : 'red';
$this->sql_report('record_fromcache', $query, $endtime, $splittime);
$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query results obtained from the cache</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table><p align="center">';
$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: <b style="color: ' . $color . '">' . sprintf('%.5f', ($time_cache)) . 's</b> | Elapsed [db]: <b>' . sprintf('%.5f', $time_db) . 's</b></p>';
// Pad the start time to not interfere with page timing
$starttime += $time_db;
@mssql_free_result($result);
$cache_num_queries++;
break;
break;
}
}