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Kenneth Reitz
33 lines
1.1 KiB
ReStructuredText
33 lines
1.1 KiB
ReStructuredText
`|Redis Documentation| <index.html>`_
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**ZrankCommand: Contents**
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`ZRANK \_key\_ \_member\_ (Redis > <#ZRANK%20_key_%20_member_%20(Redis%20%3E>`_
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`ZREVRANK \_key\_ \_member\_ (Redis > <#ZREVRANK%20_key_%20_member_%20(Redis%20%3E>`_
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`Return value <#Return%20value>`_
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ZrankCommand
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============
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ZRANK \_key\_ \_member\_ (Redis >
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=================================
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1.3.4) =
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ZREVRANK \_key\_ \_member\_ (Redis >
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====================================
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1.3.4) = *Time complexity: O(log(N))*
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ZRANK returns the rank of the member in the sorted set, with scores
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ordered from low to high. ZREVRANK returns the rank with scores
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ordered from high to low. When the given member does not exist in
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the sorted set, the special value 'nil' is returned. The returned
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rank (or index) of the member is 0-based for both commands.
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Return value
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------------
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`Integer reply <ReplyTypes.html>`_ or a nil
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`bulk reply <ReplyTypes.html>`_, specifically:
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::
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the rank of the element as an integer reply if the element exists.
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A nil bulk reply if there is no such element.
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.. |Redis Documentation| image:: redis.png |