MongoDB\Driver\CursorInterface::isDead
(mongodb >=1.6.0)
MongoDB\Driver\CursorInterface::isDead — Checks if the cursor may have additional results
Beschreibung
abstract public MongoDB\Driver\CursorInterface::isDead(): bool
Checks whether the cursor may have additional results available to read. A cursor is initially "alive" but may become "dead" for any of the following reasons:
- Advancing a non-tailable cursor did not return a document
- The cursor encountered an error
- The cursor read its last batch to completion
- The cursor reached its configured limit
Parameter-Liste
Diese Funktion besitzt keine Parameter.
Rückgabewerte
Returns true if additional results are not available, and false
otherwise.
Fehler/Exceptions
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
Siehe auch
- MongoDB\Driver\Cursor::isDead() - Checks if the cursor is exhausted or may have additional results
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