MongoCursor::doQuery
(PECL mongo >=0.9.0 <1.6.0)
MongoCursor::doQuery — Execute the query
Açıklama
Please do not use me.
This function actually queries the database. All queries and commands go through this function. Thus, this function can be overridden to provide custom query handling.
This handles serializing your query, sending it to the database, receiving a response, and deserializing it. Thus, if you are planning to override this, your code should probably call out to the original to use the existing functionality (see the example below).
Değiştirgeler
Bu işlevin değiştirgesi yoktur.
Dönen Değerler
NULL.
Hatalar/İstisnalar
Throws MongoConnectionException if it cannot reach the database.
Sürüm Bilgisi
| Sürüm: | Açıklama |
|---|---|
| 1.2.11 | Emits E_DEPRECATED when used. |
Örnekler
Örnek 1 MongoCursor::doQuery() example
You could override this function to attempt a query on a secondary and, if that fails, try it again on the primary.
<?php
class MyCursor extends MongoCursor {
protected function doQuery() {
$this->slaveOkay();
try {
MongoCursor::doQuery();
}
catch(MongoCursorException $e) {
$this->slaveOkay(false);
MongoCursor::doQuery();
}
}
}
?>
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