/**
* Get the names of the fields for a particular table
* @param string $tablename The name of the table.
* @return array of string The public fields in the table.
*/
function get_fields($tablename)
{
global $_AWL_field_cache;
if (!isset($_AWL_field_cache[$tablename])) {
dbg_error_log("core", ":get_fields: Loading fields for table '{$tablename}'");
$qry = new AwlQuery();
$db = $qry->GetConnection();
$qry->SetSQL($db->GetFields($tablename));
$qry->Exec("core");
$fields = array();
while ($row = $qry->Fetch()) {
$fields[$row->fieldname] = $row->typename . ($row->precision >= 0 ? sprintf('(%d)', $row->precision) : '');
}
$_AWL_field_cache[$tablename] = $fields;
}
return $_AWL_field_cache[$tablename];
}