Groups > comp.databases.ms-sqlserver > #2218

Re: Custom window functions

From	Anton Shepelev <anton.txt@gmail.moc>
Newsgroups	comp.databases.ms-sqlserver
Subject	Re: Custom window functions
Date	2023-05-26 22:55 +0300
Organization	A noiseless patient Spider
Message-ID	<20230526225528.c6b442024923652f59b029be@gmail.moc> (permalink)
References	<20230522123254.38c0b664930a7bc595f60a3a@g{oogle}mail.com> <XnsB00DD51AA11A2Yazorman@127.0.0.1> <20230525183854.3b73cd327e64ae145fe48c5b@g{oogle}mail.com> <XnsB00FDA3D4FBEFYazorman@127.0.0.1> <XnsB010D5B895E56Yazorman@127.0.0.1>

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Erland Sommarskog:

> An MVP colleague was kind to point me to
> https://learn.microsoft.com/en-us/dotnet/api/microsoft.sqlserver.server.sqluserdefinedaggregateattribute.isinvarianttoorder
> which suggest that there is something hiding here.

It being "reserved for future use", the hidden thing is the
latent potential for arbitrary time-series analysis via
cusom aggreage functions!

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Thread

Custom window functions Anton Shepelev <anton.txt@g{oogle}mail.com> - 2023-05-22 12:32 +0300
  Re: Custom window functions Erland Sommarskog <esquel@sommarskog.se> - 2023-05-23 20:56 +0200
    Re: Custom window functions Anton Shepelev <anton.txt@g{oogle}mail.com> - 2023-05-25 18:38 +0300
      Re: Custom window functions Erland Sommarskog <esquel@sommarskog.se> - 2023-05-25 21:27 +0200
        Re: Custom window functions Erland Sommarskog <esquel@sommarskog.se> - 2023-05-26 21:00 +0200
          Re: Custom window functions Anton Shepelev <anton.txt@gmail.moc> - 2023-05-26 22:55 +0300

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