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improve explanatory of topKWeighted example

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ivan-klass 2023-01-28 00:20:15 +01:00 committed by GitHub
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docs/en/sql-reference/aggregate-functions/reference/topkweighted.md
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@ -28,15 +28,16 @@ Returns an array of the values with maximum approximate sum of weights.
Query:
``` sql
SELECT topKWeighted(10)(number, number) FROM numbers(1000)
SELECT topKWeighted(2)(k, w) FROM
VALUES('k Char, w UInt64', ('y', 1), ('y', 1), ('x', 5), ('y', 1), ('z', 10))
```
Result:
``` text
┌─topKWeighted(10)(number, number)──────────┐
│ [999,998,997,996,995,994,993,992,991,990] │
└───────────────────────────────────────────┘
┌─topKWeighted(2)(k, w)──┐
│ ['z','x'] │
└────────────────────────┘
```
**See Also**