From: | Corey Huinker <corey(dot)huinker(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com>, Daniel Verite <daniel(at)manitou-mail(dot)org>, PostgreSQL <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: psql metaqueries with \gexec |
Date: | 2016-04-04 02:59:09 |
Message-ID: | CADkLM=cf3s1O4+74SeTrHzPvdmRKdOifqxnSLdpUiunY7zXW_g@mail.gmail.com |
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Lists: | pgsql-hackers |
On Sun, Apr 3, 2016 at 8:42 PM, Corey Huinker <corey(dot)huinker(at)gmail(dot)com>
wrote:
> On Sun, Apr 3, 2016 at 7:43 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
>> Corey Huinker <corey(dot)huinker(at)gmail(dot)com> writes:
>> >>> + The secondary queries are executed in top-to-bottom,
>> >>> left-to-right order, so the command
>>
>> >> I took that as meaning what I said above.
>>
>> > Would using the term https://en.wikipedia.org/wiki/Row-major_order be
>> more
>> > clear?
>>
>> Meh, I suspect a lot of people don't know that term. Perhaps something
>> like "The generated queries are executed in the order in which the rows
>> are returned, and left-to-right within each row if there is more than one
>> column."
>>
>> regards, tom lane
>>
>
>
> I like it. Change forthcoming.
>
Changes since last submission:
Patch attached. Changes are thus:
- rebased
- pset.gexec_flag unconditionally set to false at end of SendQuery
- wording of documentation describing execution order of results
- rebasing allowed for undoing the re-wrap of enumerated slash commands.
Still not changed:
- exuberant braces, can remove if someone wants me to
Attachment | Content-Type | Size |
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psql_gexec_v5.diff | text/plain | 10.7 KB |
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