index_object:min()
-
object
index_object
¶ -
index_object:
min
([key])¶ Find the minimum value in the specified index.
Parameters: - index_object (
index_object
) – an object reference. - key (
scalar/table
) – values to be matched against the index key
Return: the tuple for the first key in the index. If the optional
key
value is supplied, returns the first key that is greater than or equal tokey
. Starting with Tarantool 2.0.4,index_object:min(key)
returns nothing ifkey
doesn’t match any value in the index.Rtype: tuple
Possible errors:
- Index is not of type ‘TREE’.
ER_TRANSACTION_CONFLICT
if a transaction conflict is detected in the MVCC transaction mode.
Complexity factors: Index size, Index type.
Example:
tarantool> box.space.tester.index.primary:min() --- - ['Alpha!', 55, 'This is the first tuple!'] ...
- index_object (
-