JSON.ARRPOP

    Remove and return an element from the index in the array

    Required arguments

    is key to modify.

    index

    path

    is JSONPath to specify. Default is root $.

    Return

    returns an of bulk string replies for each path, each reply is the popped JSON value, or nil, if the matching JSON value is not an array. For more information about replies, see Redis serialization protocol specification.

    Pop a value from an index and insert a new value

    Create two headphone products with maximum sound levels.

    1. dragonfly> JSON.SET key $ '[{"name":"Healthy headphones","description":"Wireless Bluetooth headphones with noise-cancelling technology","connection":{"wireless":true,"type":"Bluetooth"},"price":99.98,"stock":25,"colors":["black","silver"],"max_level":[60,70,80]},{"name":"Noisy headphones","description":"Wireless Bluetooth headphones with noise-cancelling technology","connection":{"wireless":true,"type":"Bluetooth"},"price":99.98,"stock":25,"colors":["black","silver"],"max_level":[80,90,100,120]}]'
    2. OK

    Update the max_level field of the product: remove an unavailable value and add a newly available value.

    2. 1) "80"

    Get the updated array.

    Now insert a new lowest value.

    1. dragonfly> JSON.ARRINSERT key $[1].max_level 0 85

    Get the updated array.

    See also

    JSON.ARRAPPEND |