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Improve doc for Window functions #18507

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Nov 20, 2023
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Improve doc for Window functions #18507

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5 changes: 3 additions & 2 deletions docs/src/main/sphinx/functions/window.md
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Expand Up @@ -23,8 +23,9 @@ The window can be specified in two ways (see {ref}`window-clause`):
## Aggregate functions

All {doc}`aggregate` can be used as window functions by adding the `OVER`
clause. The aggregate function is computed for each row over the rows within
the current row's window frame.
clause. The aggregate function is computed for each row over the rows within the
current row's window frame. Note that [ordering during
aggregation](aggregate-function-ordering-during-aggregation) is not supported.

For example, the following query produces a rolling sum of order prices
by day for each clerk:
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