From 745cf2431a71d0e6c5f08f8605839279b2f7496e Mon Sep 17 00:00:00 2001 From: Devian Date: Thu, 22 Apr 2021 17:03:46 +0800 Subject: Initiate commit --- .../collections/docs/en/lazy-collections.rst | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 vendor/doctrine/collections/docs/en/lazy-collections.rst (limited to 'vendor/doctrine/collections/docs/en/lazy-collections.rst') diff --git a/vendor/doctrine/collections/docs/en/lazy-collections.rst b/vendor/doctrine/collections/docs/en/lazy-collections.rst new file mode 100644 index 0000000..b9cafb6 --- /dev/null +++ b/vendor/doctrine/collections/docs/en/lazy-collections.rst @@ -0,0 +1,26 @@ +Lazy Collections +================ + +To create a lazy collection you can extend the +``Doctrine\Common\Collections\AbstractLazyCollection`` class +and define the ``doInitialize`` method. Here is an example where +we lazily query the database for a collection of user records: + +.. code-block:: php + use Doctrine\DBAL\Connection; + + class UsersLazyCollection extends AbstractLazyCollection + { + /** @var Connection */ + private $connection; + + public function __construct(Connection $connection) + { + $this->connection = $connection; + } + + protected function doInitialize() : void + { + $this->collection = $this->connection->fetchAll('SELECT * FROM users'); + } + } -- cgit v1.2.3