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Introduce NTH_VALUE Analytic Function #39

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disq wants to merge 3 commits into vertica:master from peak:nth_value

disq commented Apr 3, 2015

Usage: NTH_VALUE(expr, offset) OVER (...)

Like FIRST_VALUE or LAST_VALUE but for offset

disq added 3 commits

May 27, 2014 15:42


          NTH_VALUE: initial commit

4312c80


          Allow variable number of partition and order keys

c22a8c9


          Allow 0 as offset, return NULL (probably bug)

ac8414c

sKwa commented May 31, 2015

Hi!

How it differs from built-in function LEAD ( expression [, offset ] [, default ] ) OVER (...)?
http://my.vertica.com/docs/7.1.x/HTML/index.htm#Authoring/SQLReferenceManual/Functions/Analytic/LEADAnalytic.htm

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disq commented May 31, 2015

Looks like it doesn't.

CLAassistant commented Feb 1, 2022 •

edited

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