space_object:len()
-
object
space_object
¶ -
space_object:
len
()¶ Return the number of tuples in the space. If compared with count(), this method works faster because
len()
does not scan the entire space to count the tuples.Parameters: - space_object (
space_object
) – an object reference
Return: Number of tuples in the space.
Possible errors:
ER_TRANSACTION_CONFLICT
if a transaction conflict is detected in the MVCC transaction mode.
Example:
tarantool> box.space.tester:len() --- - 2 ...
Note regarding storage engine: vinyl supports
len()
but the result may be approximate. If an exact result is necessary then use count() or pairs():length().- space_object (
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