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#1291 Updated sum function docs to mention array should not be empty #1454

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#1291 Updated sum function docs to mention array should not be empty #1454

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Updated sum function docs to mention array should not be empty
cerebro1 Dec 25, 2024
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Merge branch 'main' into update-sum
cerebro1 Jan 2, 2025
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2 changes: 1 addition & 1 deletion content/en/docs/writing-policies/jmespath.md
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Expand Up @@ -2053,7 +2053,7 @@ spec:
<details><summary>Expand</summary>
<p>

The `sum()` filter takes an array of numbers, durations, or quantities and sums them together. This is a customized version of `sum()` found in the [upstream JMESPath specification](https://jmespath.org/specification.html#sum) but augmented to support inputs common to Kubernetes workloads, specifically durations and quantities. `sum()` is similar to `add()` with the difference that `sum()` accepts an array as an input while `add()` does not. Inputs must be of a homogenous type. For example, the query `echo '{"input":['2Ki','5Gi','8Mi']}' | kyverno jp query "sum(input)"` results in the value `"5251074Ki"`. The query `echo '{"input":['2h','50s','90s']}' | kyverno jp query "sum(input)"` results in the value `"2h2m20s"`. And the query `echo '{"input":[6,3,8]}' | kyverno jp query "sum(input)"` results in the value of `17`.
The `sum()` filter takes an array of numbers, durations, or quantities and sums them together. This is a customized version of `sum()` found in the [upstream JMESPath specification](https://jmespath.org/specification.html#sum) but augmented to support inputs common to Kubernetes workloads, specifically durations and quantities. `sum()` is similar to `add()` with the difference that `sum()` accepts an array as an input while `add()` does not. This `sum()` function requires at least one element in the array. Inputs must be of a homogenous type. For example, the query `echo '{"input":['2Ki','5Gi','8Mi']}' | kyverno jp query "sum(input)"` results in the value `"5251074Ki"`. The query `echo '{"input":['2h','50s','90s']}' | kyverno jp query "sum(input)"` results in the value `"2h2m20s"`. And the query `echo '{"input":[6,3,8]}' | kyverno jp query "sum(input)"` results in the value of `17`.

Arithmetic filters like `sum()` currently accept inputs in the following formats.

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