/**
* Build an SQL 'WHERE' clause which implements (parts of) the filter. The
* elements of the filter which are implemented in the SQL will be removed.
*
* @param arrayref &$filter A reference to an array of XMLElement defining the filter
*
* @return string A string suitable for use as an SQL 'WHERE' clause selecting the desired records.
*/
function BuildSqlFilter($filter)
{
$components = array();
if ($filter->GetNSTag() == "urn:ietf:params:xml:ns:caldav:comp-filter" && $filter->GetAttribute("name") == "VCALENDAR") {
$filter = $filter->GetContent();
} else {
dbg_error_log("calquery", "Got bizarre CALDAV:FILTER[%s=%s]] which does not contain comp-filter = VCALENDAR!!", $filter->GetNSTag(), $filter->GetAttribute("name"));
}
return SqlFilterFragment($filter, $components);
}
/**
* Build an SQL 'WHERE' clause which implements (parts of) the filter. The
* elements of the filter which are implemented in the SQL will be removed.
*
* @param arrayref &$filter A reference to an array of XMLElement defining the filter
*
* @return string A string suitable for use as an SQL 'WHERE' clause selecting the desired records.
*/
function BuildSqlFilter($filter)
{
$components = array();
return SqlFilterFragment($filter, $components);
}