| Line 29 | Line 29 |
|---|
*/
class dbal_mysql extends dbal
{
|
*/
class dbal_mysql extends dbal
{
|
var $mysql_version;
| |
var $multi_insert = true;
|
var $multi_insert = true;
|
| | var $connect_error = '';
|
/**
* Connect to server
|
/**
* Connect to server
|
| Line 45 | Line 45 |
|---|
$this->sql_layer = 'mysql4';
|
$this->sql_layer = 'mysql4';
|
$this->db_connect_id = ($this->persistency) ? @mysql_pconnect($this->server, $this->user, $sqlpassword, $new_link) : @mysql_connect($this->server, $this->user, $sqlpassword, $new_link);
| if ($this->persistency)
{
if (!function_exists('mysql_pconnect'))
{
$this->connect_error = 'mysql_pconnect function does not exist, is mysql extension installed?';
return $this->sql_error('');
}
$this->db_connect_id = @mysql_pconnect($this->server, $this->user, $sqlpassword);
}
else
{
if (!function_exists('mysql_connect'))
{
$this->connect_error = 'mysql_connect function does not exist, is mysql extension installed?';
return $this->sql_error('');
}
$this->db_connect_id = @mysql_connect($this->server, $this->user, $sqlpassword, $new_link);
}
|
if ($this->db_connect_id && $this->dbname != '')
{
if (@mysql_select_db($this->dbname, $this->db_connect_id))
{
// Determine what version we are using and if it natively supports UNICODE
|
if ($this->db_connect_id && $this->dbname != '')
{
if (@mysql_select_db($this->dbname, $this->db_connect_id))
{
// Determine what version we are using and if it natively supports UNICODE
|
$this->mysql_version = mysql_get_server_info($this->db_connect_id);
if (version_compare($this->mysql_version, '4.1.3', '>='))
| if (version_compare($this->sql_server_info(true), '4.1.0', '>='))
|
{
@mysql_query("SET NAMES 'utf8'", $this->db_connect_id);
|
{
@mysql_query("SET NAMES 'utf8'", $this->db_connect_id);
|
| |
|
// enforce strict mode on databases that support it
|
// enforce strict mode on databases that support it
|
if (version_compare($this->mysql_version, '5.0.2', '>='))
| if (version_compare($this->sql_server_info(true), '5.0.2', '>='))
|
{
$result = @mysql_query('SELECT @@session.sql_mode AS sql_mode', $this->db_connect_id);
$row = @mysql_fetch_assoc($result);
| {
$result = @mysql_query('SELECT @@session.sql_mode AS sql_mode', $this->db_connect_id);
$row = @mysql_fetch_assoc($result);
|
| Line 83 | Line 99 |
|---|
@mysql_query("SET SESSION sql_mode='{$mode}'", $this->db_connect_id);
}
}
|
@mysql_query("SET SESSION sql_mode='{$mode}'", $this->db_connect_id);
}
}
|
else if (version_compare($this->mysql_version, '4.0.0', '<'))
| else if (version_compare($this->sql_server_info(true), '4.0.0', '<'))
|
{
$this->sql_layer = 'mysql';
}
| {
$this->sql_layer = 'mysql';
}
|
| Line 97 | Line 113 |
|---|
/**
* Version information about used database
|
/**
* Version information about used database
|
| | * @param bool $raw if true, only return the fetched sql_server_version
* @param bool $use_cache If true, it is safe to retrieve the value from the cache
* @return string sql server version
|
*/
|
*/
|
function sql_server_info()
| function sql_server_info($raw = false, $use_cache = true)
|
{
|
{
|
return 'MySQL ' . $this->mysql_version;
| global $cache;
if (!$use_cache || empty($cache) || ($this->sql_server_version = $cache->get('mysql_version')) === false)
{
$result = @mysql_query('SELECT VERSION() AS version', $this->db_connect_id);
$row = @mysql_fetch_assoc($result);
@mysql_free_result($result);
$this->sql_server_version = $row['version'];
if (!empty($cache) && $use_cache)
{
$cache->put('mysql_version', $this->sql_server_version);
}
}
return ($raw) ? $this->sql_server_version : 'MySQL ' . $this->sql_server_version;
|
}
/**
| }
/**
|
| Line 183 | Line 218 |
|---|
return false;
}
|
return false;
}
|
return ($this->query_result) ? $this->query_result : false;
| return $this->query_result;
|
}
/**
| }
/**
|
| Line 299 | Line 334 |
|---|
}
return @mysql_real_escape_string($msg, $this->db_connect_id);
|
}
return @mysql_real_escape_string($msg, $this->db_connect_id);
|
| | }
/**
* Gets the estimated number of rows in a specified table.
*
* @param string $table_name Table name
*
* @return string Number of rows in $table_name.
* Prefixed with ~ if estimated (otherwise exact).
*
* @access public
*/
function get_estimated_row_count($table_name)
{
$table_status = $this->get_table_status($table_name);
if (isset($table_status['Engine']))
{
if ($table_status['Engine'] === 'MyISAM')
{
return $table_status['Rows'];
}
else if ($table_status['Engine'] === 'InnoDB' && $table_status['Rows'] > 100000)
{
return '~' . $table_status['Rows'];
}
}
return parent::get_row_count($table_name);
}
/**
* Gets the exact number of rows in a specified table.
*
* @param string $table_name Table name
*
* @return string Exact number of rows in $table_name.
*
* @access public
*/
function get_row_count($table_name)
{
$table_status = $this->get_table_status($table_name);
if (isset($table_status['Engine']) && $table_status['Engine'] === 'MyISAM')
{
return $table_status['Rows'];
}
return parent::get_row_count($table_name);
}
/**
* Gets some information about the specified table.
*
* @param string $table_name Table name
*
* @return array
*
* @access protected
*/
function get_table_status($table_name)
{
$sql = "SHOW TABLE STATUS
LIKE '" . $this->sql_escape($table_name) . "'";
$result = $this->sql_query($sql);
$table_status = $this->sql_fetchrow($result);
$this->sql_freeresult($result);
return $table_status;
|
}
/**
| }
/**
|
| Line 332 | Line 437 |
|---|
*/
function _sql_error()
{
|
*/
function _sql_error()
{
|
if (!$this->db_connect_id)
| if ($this->db_connect_id)
{
$error = array(
'message' => @mysql_error($this->db_connect_id),
'code' => @mysql_errno($this->db_connect_id),
);
}
else if (function_exists('mysql_error'))
|
{
|
{
|
return array(
| $error = array(
|
'message' => @mysql_error(),
|
'message' => @mysql_error(),
|
'code' => @mysql_errno()
| 'code' => @mysql_errno(),
|
);
}
|
);
}
|
return array(
'message' => @mysql_error($this->db_connect_id),
'code' => @mysql_errno($this->db_connect_id)
| else
{
$error = array(
'message' => $this->connect_error,
'code' => '',
|
);
|
);
|
| | }
return $error;
|
}
/**
| }
/**
|
| Line 367 | Line 483 |
|---|
if ($test_prof === null)
{
$test_prof = false;
|
if ($test_prof === null)
{
$test_prof = false;
|
if (strpos($this->mysql_version, 'community') !== false)
{
$ver = substr($this->mysql_version, 0, strpos($this->mysql_version, '-'));
if (version_compare($ver, '5.0.37', '>=') && version_compare($ver, '5.1', '<'))
| if (version_compare($this->sql_server_info(true), '5.0.37', '>=') && version_compare($this->sql_server_info(true), '5.1', '<'))
|
{
$test_prof = true;
|
{
$test_prof = true;
|
}
| |
}
}
| }
}
|
