| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Jan Urbański <wulczer(at)wulczer(dot)org> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Dimitri Fontaine <dimitri(at)2ndquadrant(dot)fr>, Postgres - Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: proposal: set GUC variables for single query |
| Date: | 2011-10-17 14:11:39 |
| Message-ID: | 12962.1318860699@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
=?UTF-8?B?SmFuIFVyYmHFhHNraQ==?= <wulczer(at)wulczer(dot)org> writes:
> On 17/10/11 02:53, Robert Haas wrote:
>> I previously floated the idea of using a new keyword, possibly LET,
>> for this, like this:
>>
>> LET var = value [, ...] IN query
> LET was something I thought about, although you'd have to use something
> like parenthesis around the GUC assignements because "value" can contain
> commas, leading to shift/reduce conflicts (that sucks, unfortunately).
Probably better to forbid commas --- people can always put such values
inside a quoted literal.
regards, tom lane
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