index_object:delete()
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object
index_object
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index_object:
delete
(key) Delete a tuple identified by a key.
Same as box.space…delete(), but key is searched in this index instead of in the primary-key index. This index ought to be unique.
Parameters: - index_object (index_object) – an object reference.
- key (scalar/table) – values to be matched against the index key
Return: the deleted tuple.
Rtype: tuple
Note re storage engine: vinyl will return
nil
, rather than the deleted tuple.
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