| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | Nicholas White <n(dot)j(dot)white(at)gmail(dot)com>, Troels Nielsen <bn(dot)troels(at)gmail(dot)com>, Jeff Davis <pgsql(at)j-davis(dot)com>, Hitoshi Harada <umi(dot)tanuki(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls |
| Date: | 2013-06-28 15:55:03 |
| Message-ID: | CA+Tgmoa-tJMgx6Y_+iN-v1qVsF7oHMq95OxyOGToNAX4deH8bw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Jun 28, 2013 at 11:41 AM, Alvaro Herrera
<alvherre(at)2ndquadrant(dot)com> wrote:
> Robert Haas escribió:
>> On Thu, Jun 27, 2013 at 8:52 PM, Nicholas White <n(dot)j(dot)white(at)gmail(dot)com> wrote:
>
>> The documentation you've added reads kind of funny to me:
>>
>> + [respect nulls]|[ignore nulls]
>>
>> Wouldn't we normally write that as [ [ RESPECT | IGNORE ] NULLS ] ?
>
> I think it should be
> [ { RESPECT | IGNORE } NULLS ]
> One of the leading keywords must be present.
Oh, yeah. What he said.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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