content/commands/json.nummultby.md
Multiply the number value stored at path by number
is key to modify.
</details> <details open><summary><code>value</code></summary>is number value to multiply.
</details>is JSONPath to specify. Default is root $.
{{< highlight bash >}} redis> JSON.SET doc . '{"a":"b","b":[{"a":2}, {"a":5}, {"a":"c"}]}' OK redis> JSON.NUMMULTBY doc $.a 2 "[null]" redis> JSON.NUMMULTBY doc $..a 2 "[null,4,10,null]" {{< / highlight >}}
| Redis Software | Redis Cloud | <span style="min-width: 9em; display: table-cell">Notes</span> | |:----------------------|:-----------------|:------| | <span title="Supported">✅ Supported</span> | <span title="Supported">✅ Flexible & Annual</span> <span title="Supported">✅ Free & Fixed</nobr></span> | |
{{< multitabs id="json-nummultby-return-info" tab1="RESP2" tab2="RESP3" >}}
With $-based path argument: [Bulk string reply]({{< relref "/develop/reference/protocol-spec#bulk-strings" >}}) containing a JSON-encoded string with the new value(s), or [null reply]({{< relref "/develop/reference/protocol-spec#nulls" >}}) if the matching value is not a number.
With .-based path argument: [Bulk string reply]({{< relref "/develop/reference/protocol-spec#bulk-strings" >}}) representing the stringified new value, [null reply]({{< relref "/develop/reference/protocol-spec#nulls" >}}) if the matching value is not a number, or [simple error reply]({{< relref "/develop/reference/protocol-spec#simple-errors" >}}) on error.
-tab-sep-
With $-based path argument (default): [Array reply]({{< relref "/develop/reference/protocol-spec#arrays" >}}) of [integer replies]({{< relref "/develop/reference/protocol-spec#integers" >}}) or [null replies]({{< relref "/develop/reference/protocol-spec#nulls" >}}), where each element is the new value, or null if the matching value is not a number, or [simple error reply]({{< relref "/develop/reference/protocol-spec#simple-errors" >}}) on error.
With .-based path argument: [Bulk string reply]({{< relref "/develop/reference/protocol-spec#bulk-strings" >}}) representing the stringified new value, [null reply]({{< relref "/develop/reference/protocol-spec#nulls" >}}) if the matching value is not a number, or [simple error reply]({{< relref "/develop/reference/protocol-spec#simple-errors" >}}) on error.
{{< /multitabs >}}
[JSON.NUMINCRBY]({{< relref "commands/json.numincrby/" >}}) | [JSON.ARRINSERT]({{< relref "commands/json.arrinsert/" >}})