| Line 30 | Line 30 |
|---|
class dbal_mysql extends dbal
{
var $multi_insert = true;
|
class dbal_mysql extends dbal
{
var $multi_insert = true;
|
| | var $connect_error = '';
|
/**
* Connect to server
|
/**
* Connect to server
|
| Line 44 | Line 45 |
|---|
$this->sql_layer = 'mysql4';
|
$this->sql_layer = 'mysql4';
|
$this->db_connect_id = ($this->persistency) ? @mysql_pconnect($this->server, $this->user, $sqlpassword) : @mysql_connect($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 && $this->dbname != '')
{
|
if ($this->db_connect_id && $this->dbname != '')
{
|
| Line 316 | Line 334 |
|---|
}
return @mysql_real_escape_string($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 $table_status;
|
}
/**
| }
/**
|
| Line 349 | Line 437 |
|---|
*/
function _sql_error()
{
|
*/
function _sql_error()
{
|
if (!$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;
|
}
/**
| }
/**
|
