JSON.STRAPPEND

Syntax
JSON.STRAPPEND key [path] value
Available in:
Redis Open Source / JSON 1.0.0
Time complexity:
O(1) when path is evaluated to a single value, O(N) when path is evaluated to multiple values, where N is the size of the key
ACL categories:
@json, @write, @slow,

Append the json-string values to the string at path

Examples

Required arguments

key

is key to modify.

value

is value to append to one or more strings.

About using strings with JSON commands:
To specify a string as an array value to append, wrap the quoted string with an additional set of single quotes. Example: '"silver"'. For more detailed use, see Examples.

Optional arguments

path

is JSONPath to specify. Default is root $.

Examples 

redis> JSON.SET doc $ '{"a":"foo", "nested": {"a": "hello"}, "nested2": {"a": 31}}'
OK
redis> JSON.STRAPPEND doc $..a '"baz"'
1) (integer) 6
2) (integer) 8
3) (nil)
redis> JSON.GET doc $
"[{\"a\":\"foobaz\",\"nested\":{\"a\":\"hellobaz\"},\"nested2\":{\"a\":31}}]"

Return information

With $-based path argument: Array reply of integer replies or null replies, where each element is the string's new length, or null if the matching value is not a string.

With .-based path argument: Integer reply representing the string's new length, or null reply if the matching value is not a string.

See also

JSON.ARRAPEND | JSON.ARRINSERT

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