public function update(Dbi_Model $query, array $data)
{
self::$queryCount++;
$components = $query->components();
$update = new BuildSql_Update();
$update->table($query->prefix() . $components['table']);
foreach ($components['where'] as $where) {
$orStatements = array();
$orParameters = array();
foreach ($where->expressions() as $or) {
$orStatements[] = $or->statement();
$orParameters = array_merge($orParameters, $or->parameters());
}
$args = array_merge(array(implode(' OR ', $orStatements)), $orParameters);
call_user_func_array(array($update, 'where'), $args);
}
// Get rid of fields that are not defined in the schema.
// TODO: Should undefined fields generate an error?
foreach ($data as $key => $value) {
if (is_null($query->field($key))) {
unset($data[$key]);
} else {
// Convert arrays to JSON
// (Objects depend on __toString() for conversion)
if (is_array($value)) {
$data[$key] = json_encode($value);
}
}
}
$update->set($data);
mysql_query($update->query());
if (mysql_error()) {
echo "{$update->query()}<br/>";
throw new Exception(mysql_error());
}
}