Open disq opened 9 years ago
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
Looks like it doesn't.
Usage: NTH_VALUE(expr, offset) OVER (...)
Like FIRST_VALUE or LAST_VALUE but for
offset