[pkg/ottl] Add Sort converter sorting array value #34200
Comments
kaisecheng
added
enhancement
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Pinging code owners:
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@evan-bradley I can work on this feature. Do you think the description is clear enough to start? |
evan-bradley
added
priority:p2
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This makes sense to me. @TylerHelmuth let us know if you have any concerns. |
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The values will only be compared as strings, but not actually changed, right? |
Yes. The underlying values are not changed. Sort() makes a copy. Numeric array compare as numbers. Bools, strings and mixed types compare as strings. Other types are returned as-is |
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Ok cool. I'd like to see a PR for this feature. |
**Description:** <Describe what has changed.> Add `Sort` function to sort array to ascending order or descending order `Sort(target, Optional[order])` The Sort Converter preserves the data type of the original elements while sorting. The behavior varies based on the types of elements in the target slice: | Element Types | Sorting Behavior | Return Value | |---------------|-------------------------------------|--------------| | Integers | Sorts as integers | Sorted array of integers | | Doubles | Sorts as doubles | Sorted array of doubles | | Integers and doubles | Converts all to doubles, then sorts | Sorted array of integers and doubles | | Strings | Sorts as strings | Sorted array of strings | | Booleans | Converts all to strings, then sorts | Sorted array of booleans | | Mix of integers, doubles, booleans, and strings | Converts all to strings, then sorts | Sorted array of mixed types | | Any other types | N/A | Returns an error | Examples: - `Sort(attributes["device.tags"])` - `Sort(attributes["device.tags"], "desc")` **Link to tracking Issue:** <Issue number if applicable> #34200 **Testing:** <Describe what testing was performed and which tests were added.> - Unit tests - E2E tests **Documentation:** <Describe the documentation added.> readme for Sort function --------- Co-authored-by: Evan Bradley <11745660+evan-bradley@users.noreply.github.com>
**Description:** <Describe what has changed.> Add `Sort` function to sort array to ascending order or descending order `Sort(target, Optional[order])` The Sort Converter preserves the data type of the original elements while sorting. The behavior varies based on the types of elements in the target slice: | Element Types | Sorting Behavior | Return Value | |---------------|-------------------------------------|--------------| | Integers | Sorts as integers | Sorted array of integers | | Doubles | Sorts as doubles | Sorted array of doubles | | Integers and doubles | Converts all to doubles, then sorts | Sorted array of integers and doubles | | Strings | Sorts as strings | Sorted array of strings | | Booleans | Converts all to strings, then sorts | Sorted array of booleans | | Mix of integers, doubles, booleans, and strings | Converts all to strings, then sorts | Sorted array of mixed types | | Any other types | N/A | Returns an error | Examples: - `Sort(attributes["device.tags"])` - `Sort(attributes["device.tags"], "desc")` **Link to tracking Issue:** <Issue number if applicable> open-telemetry#34200 **Testing:** <Describe what testing was performed and which tests were added.> - Unit tests - E2E tests **Documentation:** <Describe the documentation added.> readme for Sort function --------- Co-authored-by: Evan Bradley <11745660+evan-bradley@users.noreply.github.com>
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Component(s)
pkg/ottl
Is your feature request related to a problem? Please describe.
I wanna sort an array in attribute in ascending or descending order to improve readability and simplify data processing.
Describe the solution you'd like
The Sort() function should accept an input array and return a new array sorted in either ascending or descending order.
The function should support sorting arrays of different types, including integers, floats, strings, and booleans. For boolean arrays, elements will be converted to strings for comparison. For arrays containing mixed types (e.g., integers and strings), all elements will be converted to strings for comparison.
Describe alternatives you've considered
No response
Additional context
No response
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