/**
* Used to get hash that uniquely identifies current query
*/
public function getHash()
{
$hash = array();
// expression
$hash[] = json_encode($this->expression->toArray());
// sorts
if ($this->sort) {
$sort = $this->sort;
ksort($sort);
$hash[] = implode('', array_merge(array_keys($sort), array_values($sort)));
}
// fields
if ($this->fields) {
$fields = $this->fields;
ksort($fields);
$hash[] = implode('', array_merge(array_keys($fields), array_values($fields)));
}
// skip and limit
$hash[] = $this->skip;
$hash[] = $this->limit;
// get hash
return md5(implode(':', $hash));
}
public function merge(Expression $expression)
{
$this->_expression = array_merge_recursive($this->_expression, $expression->toArray());
return $this;
}
/**
* Update multiple documents
*
* @param \Sokil\Mongo\Expression|array|callable $expression expression to define
* which documents will change.
* @param \Sokil\Mongo\Operator|array|callable $updateData new data or operators to update
* @param array $options update options, see http://php.net/manual/ru/mongocollection.update.php
* @return \Sokil\Mongo\Collection
* @throws \Sokil\Mongo\Exception
*/
public function update($expression, $updateData, array $options = array())
{
// execute update operator
$result = $this->getMongoCollection()->update(Expression::convertToArray($expression), Operator::convertToArray($updateData), $options);
// if write concern acknowledged
if (is_array($result)) {
if ($result['ok'] != 1) {
throw new Exception(sprintf('Update error: %s: %s', $result['err'], $result['errmsg']));
}
return $this;
}
// if write concern unacknowledged
if (!$result) {
throw new Exception('Update error');
}
return $this;
}
public function testPipeline_MatchExpression()
{
$pipeline = new Pipeline($this->collection);
$expression = new Expression();
$expression->where('a', 1)->whereLess('b', 12);
$pipeline->match($expression);
$this->assertEquals('[{"$match":{"a":1,"b":{"$lt":12}}}]', (string) $pipeline);
}
