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redis zadd NX CH #7

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nooperpudd opened this issue May 15, 2018 · 0 comments
Open

redis zadd NX CH #7

nooperpudd opened this issue May 15, 2018 · 0 comments

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@nooperpudd
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nooperpudd commented May 15, 2018 •
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XX: Only update elements that already exist. Never add elements.
NX: Don't update already existing elements. Always add new elements.
CH: Modify the return value from the number of new elements added, to the total number of elements changed (CH is an abbreviation of changed). Changed elements are new elements added and elements already existing for which the score was updated. So elements specified in the command line having the same score as they had in the past are not counted. Note: normally the return value of ZADD only counts the number of new elements added.
@nooperpudd nooperpudd changed the title redis NX CH redis zadd NX CH May 15, 2018
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