Median missing from aggregate functions page
The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/9.6/static/functions-aggregate.html
Description:
The index contains an entry for "median" on the aggregate functions page,
but there is no mention of it there.
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steven.winfield@cantabcapital.com writes:
The index contains an entry for "median" on the aggregate functions page,
but there is no mention of it there.
Hm --- that <indexterm> entry is attached to the percentile_cont()
function, which can be used to implement median, but I agree that
a person who already knew that would probably not be following the
index pointer.
It might be more useful to point to 4.2.7. Aggregate Expressions
which contains a concrete example of how to implement median
with percentile_disc().
Another idea is to just make the index entry say
"See percentile_cont() and percentile_disc()".
regards, tom lane
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