testing_project

Documentation: reference/reference_lua/box_space/count

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	space_object:count()
	Return the number of tuples. If compared with :doc:`len() </reference/reference_lua/box_space/len>`, this method works slower because ``count()`` scans the entire space to count the tuples.
	Parameters
	an :ref:`object reference <app_server-object_reference>`
	primary-key field values, must be passed as a Lua table if key is multi-part
	comparison method
	return
	Number of tuples.
	Possible errors:
	:errcode:`ER_TRANSACTION_CONFLICT` if a transaction conflict is detected in the :ref:`MVCC transaction mode <txn_mode_transaction-manager>`.
	Example:
	tarantool> box.space.tester:count(2, {iterator='GE'}) --- - 1 ...

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