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-MsetCommand: Contents
MSET _key1_ _value1_ _key2_ _value2_ ... _keyN_ _valueN_ (Redis >
MSETNX _key1_ _value1_ _key2_ _value2_ ... _keyN_ _valueN_ (Redis >
MSET Return value
MSETNX Return value -
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- MSET _key1_ _value1_ _key2_ _value2_ ... _keyN_ _valueN_ (Redis >
MSETNX _key1_ _value1_ _key2_ _value2_ ... _keyN_ _valueN_ (Redis >
MSET Return value
MSETNX Return value -
MsetCommand
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- #sidebar StringCommandsSidebar
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- MSET _key1_ _value1_ _key2_ _value2_ ... _keyN_ _valueN_ (Redis >
1.1) = -MSETNX _key1_ _value1_ _key2_ _value2_ ... _keyN_ _valueN_ (Redis >
1.1) = -Time complexity: O(1) to set every keySet the the respective keys to the respective values. MSET will replace oldvalues with new values, while MSETNX will not perform any operation at alleven if just a single key already exists.-
Because of this semantic MSETNX can be used in order to set different keysrepresenting different fields of an unique logic object in a way thatensures that either all the fields or none at all are set.-
Both MSET and MSETNX are atomic operations. This means that for instanceif the keys A and B are modified, another client talking to Redis can eithersee the changes to both A and B at once, or no modification at all.-
MSET Return value
Status code reply Basically +OK as MSET can't failMSETNX Return value
Integer reply, specifically:-1 if the all the keys were set -0 if no key was set (at least one key already existed) --