/**
* Where statement
* Limits query result using expression
*/
function execute()
{
$query = $this->getQuery();
$args = $this->getArguments();
$name = $args[0];
$section = null;
if (strpos($name, '.') !== false) {
list($section, $name) = explode('.', $name);
}
$value = null;
if (isset($args[1])) {
$value = $args[1];
}
$query->attach(xral\Stream\Query::COMPLETE, function ($s, $e) use($name, $value, $section) {
$result = $e['result'];
if (!is_null($section)) {
if (isset($result[$section])) {
$result = new qinq\Collection([$section => $result[$section]]);
}
}
$result->where(function ($data) use($name, $value) {
if (!is_null($value)) {
return array_key_exists($name, $data) && $data[$name] == $value;
} else {
return array_key_exists($name, $data);
}
});
$e['result'] = $result;
});
}
function testIntegratedQueryWhereKeys()
{
$numbers = new qinq\Collection(['bob' => 1, 'jim' => 2, 'sam' => 3, 'joe' => 4, 'jack' => 5]);
$numbers->where(function ($n, $k) {
return strlen($k) == 3;
});
$this->assertEquals(4, count($numbers));
}
