MongoDB\Driver\CursorInterface::isDead

(mongodb >=1.6.0)

MongoDB\Driver\CursorInterface::isDeadChecks if the cursor may have additional results

Descrizione

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
This is primarily useful with tailable cursors.

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

Returns true if additional results are not available, and false otherwise.

Errori/Eccezioni

Vedere anche:

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