Simon Riggs wrote:

> SQL:2003 Analytical functions (Sergey, Tom, Neil)
>       All statistical aggregate functions defined by SQL:2003 are now
> supported and user-defined aggregates now can take multiple columns as
> inputs.

Could this be a good starting point for SQL:2003 Window functions as
now the work on SQL:2003 statistical functions are done?  As
experienced postgres developers what would be your roadmap to implement
window functions?

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