Weighted median calculation in Postgres












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I need to calculate weighted median in an aggregating query in Postgresql.
How to do it efficiently (ideally using user-defined function written in C)?










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  • What does ideally using some C++ code as pglsh code mean?

    – 404
    Nov 13 '18 at 14:54











  • @eurotrash sorry, I mean a user-defined function written in C

    – Konstantin Varik
    Nov 14 '18 at 17:27
















0















I need to calculate weighted median in an aggregating query in Postgresql.
How to do it efficiently (ideally using user-defined function written in C)?










share|improve this question

























  • What does ideally using some C++ code as pglsh code mean?

    – 404
    Nov 13 '18 at 14:54











  • @eurotrash sorry, I mean a user-defined function written in C

    – Konstantin Varik
    Nov 14 '18 at 17:27














0












0








0








I need to calculate weighted median in an aggregating query in Postgresql.
How to do it efficiently (ideally using user-defined function written in C)?










share|improve this question
















I need to calculate weighted median in an aggregating query in Postgresql.
How to do it efficiently (ideally using user-defined function written in C)?







postgresql






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 14 '18 at 17:26







Konstantin Varik

















asked Nov 13 '18 at 14:52









Konstantin VarikKonstantin Varik

6618




6618













  • What does ideally using some C++ code as pglsh code mean?

    – 404
    Nov 13 '18 at 14:54











  • @eurotrash sorry, I mean a user-defined function written in C

    – Konstantin Varik
    Nov 14 '18 at 17:27



















  • What does ideally using some C++ code as pglsh code mean?

    – 404
    Nov 13 '18 at 14:54











  • @eurotrash sorry, I mean a user-defined function written in C

    – Konstantin Varik
    Nov 14 '18 at 17:27

















What does ideally using some C++ code as pglsh code mean?

– 404
Nov 13 '18 at 14:54





What does ideally using some C++ code as pglsh code mean?

– 404
Nov 13 '18 at 14:54













@eurotrash sorry, I mean a user-defined function written in C

– Konstantin Varik
Nov 14 '18 at 17:27





@eurotrash sorry, I mean a user-defined function written in C

– Konstantin Varik
Nov 14 '18 at 17:27












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