On 10/01/18 12:44, Dimitry Sibiryakov wrote:
01.10.2018 11:24, Pavel Cisar wrote:
Aggregates could produce various single-value outputs
Why to limit them to single value? Some aggregates could profit if
they are able to return more values at once. For example, avg +
deviation.
That really can improve performance. Specially interesting when dealing
with emulated decfloat datatype.
And I see no tech difference with
create aggregate function ...
and
create aggregate procedure ...
Procedure's body may follow exactly same rules.
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