/home/desid573/public_html/ims2/system/database/drivers/sqlite
Edit: /home/desid573/public_html/ims2/system/database/drivers/sqlite/sqlite_driver.php (8070B)
database, 0666, $error)
: sqlite_open($this->database, 0666, $error);
isset($error) && log_message('error', $error);
return $conn_id;
}
// --------------------------------------------------------------------
/**
* Database version number
*
* @return string
*/
public function version()
{
return isset($this->data_cache['version'])
? $this->data_cache['version']
: $this->data_cache['version'] = sqlite_libversion();
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @param string $sql an SQL query
* @return resource
*/
protected function _execute($sql)
{
return $this->is_write_type($sql)
? sqlite_exec($this->conn_id, $sql)
: sqlite_query($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @return bool
*/
protected function _trans_begin()
{
return $this->simple_query('BEGIN TRANSACTION');
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @return bool
*/
protected function _trans_commit()
{
return $this->simple_query('COMMIT');
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
return $this->simple_query('ROLLBACK');
}
// --------------------------------------------------------------------
/**
* Platform-dependant string escape
*
* @param string
* @return string
*/
protected function _escape_str($str)
{
return sqlite_escape_string($str);
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @return int
*/
public function affected_rows()
{
return sqlite_changes($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @return int
*/
public function insert_id()
{
return sqlite_last_insert_rowid($this->conn_id);
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT name FROM sqlite_master WHERE type='table'";
if ($prefix_limit !== FALSE && $this->dbprefix != '')
{
return $sql." AND 'name' LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return bool
*/
protected function _list_columns($table = '')
{
// Not supported
return FALSE;
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
if (($query = $this->query('PRAGMA TABLE_INFO('.$this->protect_identifiers($table, TRUE, NULL, FALSE).')')) === FALSE)
{
return FALSE;
}
$query = $query->result_array();
if (empty($query))
{
return FALSE;
}
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]['name'];
$retval[$i]->type = $query[$i]['type'];
$retval[$i]->max_length = NULL;
$retval[$i]->default = $query[$i]['dflt_value'];
$retval[$i]->primary_key = isset($query[$i]['pk']) ? (int) $query[$i]['pk'] : 0;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Error
*
* Returns an array containing code and message of the last
* database error that has occured.
*
* @return array
*/
public function error()
{
$error = array('code' => sqlite_last_error($this->conn_id));
$error['message'] = sqlite_error_string($error['code']);
return $error;
}
// --------------------------------------------------------------------
/**
* Replace statement
*
* Generates a platform-specific replace string from the supplied data
*
* @param string $table Table name
* @param array $keys INSERT keys
* @param array $values INSERT values
* @return string
*/
protected function _replace($table, $keys, $values)
{
return 'INSERT OR '.parent::_replace($table, $keys, $values);
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
*
* If the database does not support the TRUNCATE statement,
* then this function maps to 'DELETE FROM table'
*
* @param string $table
* @return string
*/
protected function _truncate($table)
{
return 'DELETE FROM '.$table;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @return void
*/
protected function _close()
{
sqlite_close($this->conn_id);
}
}