/**
* Reindex documents from an old index to a new index.
*
* @link https://www.elastic.co/guide/en/elasticsearch/guide/master/reindex.html
*
* @param \Elastica\Index $oldIndex
* @param \Elastica\Index $newIndex
* @param array $options keys: CrossIndex::OPTION_* constants
*
* @return \Elastica\Index The new index object
*/
public static function reindex(Index $oldIndex, Index $newIndex, array $options = [])
{
// prepare search
$search = $oldIndex->createSearch();
$options = array_merge([self::OPTION_TYPE => null, self::OPTION_QUERY => new MatchAll(), self::OPTION_EXPIRY_TIME => '1m', self::OPTION_SIZE_PER_SHARD => 1000], $options);
if (isset($options[self::OPTION_TYPE])) {
$type = $options[self::OPTION_TYPE];
$search->addTypes(is_array($type) ? $type : [$type]);
}
$search->setQuery($options[self::OPTION_QUERY]);
// search on old index and bulk insert in new index
$scroll = new Scroll($search, $options[self::OPTION_EXPIRY_TIME]);
foreach ($scroll as $resultSet) {
$bulk = new Bulk($newIndex->getClient());
$bulk->setIndex($newIndex);
foreach ($resultSet as $result) {
$action = new Bulk\Action();
$action->setType($result->getType());
$action->setId($result->getId());
$action->setSource($result->getData());
$bulk->addAction($action);
}
$bulk->send();
}
$newIndex->refresh();
return $newIndex;
}
/**
* @group functional
*/
public function testCreateSearch()
{
$client = $this->_getClient();
$index = new Index($client, 'test');
$query = new QueryString('test');
$options = 5;
$search = $index->createSearch($query, $options);
$expected = array('query' => array('query_string' => array('query' => 'test')), 'size' => 5);
$this->assertEquals($expected, $search->getQuery()->toArray());
$this->assertEquals(array('test'), $search->getIndices());
$this->assertTrue($search->hasIndices());
$this->assertTrue($search->hasIndex('test'));
$this->assertTrue($search->hasIndex($index));
$this->assertEquals(array(), $search->getTypes());
$this->assertFalse($search->hasTypes());
$this->assertFalse($search->hasType('test_type'));
$type = new Type($index, 'test_type2');
$this->assertFalse($search->hasType($type));
}
