Re: Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls
От
Jeff Davis
Тема
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls
Дата
Msg-id
1404721269.9081.171.camel@jeff-desktop
Ответ на
Список
Дерево обсуждения
Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls Tom Lane <tgl@sss.pgh.pa.us>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Hitoshi Harada <umi.tanuki@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Hitoshi Harada <umi.tanuki@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Alvaro Herrera <alvherre@2ndquadrant.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Robert Haas <robertmhaas@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Robert Haas <robertmhaas@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Robert Haas <robertmhaas@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Robert Haas <robertmhaas@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Troels Nielsen <bn.troels@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Dean Rasheed <dean.a.rasheed@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Robert Haas <robertmhaas@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Dean Rasheed <dean.a.rasheed@gmail.com>
Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions Can
Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions Can
Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions Can
Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions Can
Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Peter Eisentraut <peter_e@gmx.net>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Peter Eisentraut <peter_e@gmx.net>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Alvaro Herrera <alvherre@2ndquadrant.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Robert Haas <robertmhaas@gmail.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Heikki Linnakangas <hlinnakangas@vmware.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Heikki Linnakangas <hlinnakangas@vmware.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Alvaro Herrera <alvherre@2ndquadrant.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Alvaro Herrera <alvherre@2ndquadrant.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Dean Rasheed <dean.a.rasheed@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Robert Haas <robertmhaas@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Robert Haas <robertmhaas@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Alvaro Herrera <alvherre@2ndquadrant.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Robert Haas <robertmhaas@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Robert Haas <robertmhaas@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Bruce Momjian <bruce@momjian.us>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Bruce Momjian <bruce@momjian.us>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions Can
Ignore Nulls Stephen Frost <sfrost@snowman.net>
Re: Request for Patch Feedback: Lag & Lead Window Functions Can
Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls "David G. Johnston" <david.g.johnston@gmail.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Jeff Davis <pgsql@j-davis.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Emre Hasegeli <emre@hasegeli.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Dean Rasheed <dean.a.rasheed@gmail.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls Andrew Gierth <andrew@tao11.riddles.org.uk>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls Dean Rasheed <dean.a.rasheed@gmail.com>
Re: Re: Request for Patch Feedback: Lag & Lead Window
Functions Can Ignore Nulls "David G. Johnston" <david.g.johnston@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions Can
Ignore Nulls Abhijit Menon-Sen <ams@2ndQuadrant.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions Can
Ignore Nulls Nicholas White <n.j.white@gmail.com>
Re: Request for Patch Feedback: Lag & Lead Window Functions
Can Ignore Nulls Nicholas White <n.j.white@gmail.com>
On Sun, 2014-07-06 at 21:11 -0700, Jeff Davis wrote: > On Wed, 2014-04-16 at 12:50 +0100, Nicholas White wrote: > > Thanks for the detailed feedback, I'm sorry it took so long to > > incorporate it. I've attached the latest version of the patch, fixing > > in particular: Looking a little more: * No tests exercise non-const offsets * No tests for default clauses with IGNORE NULLS * The use of bitmapsets is quite ugly. It would be nice if the API would grow the BMS within the memory context in which it was allocated, but I don't even see that the BMS is necessary. Why not just allocate a fixed-size array of bits, and forget the BMS? * Is there a reason you're leaving out first_value/last_value/nth_value? I think they could be supported without a lot of extra work. Regards,Jeff Davis
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