Re: generic options for explain

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Dave Page <dpage(at)pgadmin(dot)org>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: generic options for explain
Date: 2009-05-24 14:25:55
Message-ID: 162867790905240725o19ed7c88le6fd836e931419bf@mail.gmail.com
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2009/5/24 Robert Haas <robertmhaas(at)gmail(dot)com>:
>>> EXPLAIN ('hash_detail', 'on') query...
>
> Oops, I should have written EXPLAIN (hash_detail 'on') query... can't
> follow my own syntax.
>
>> I am sorry - this is really strange syntax . Who will use this syntax?
>> For some parser is little bit better function call, than parametrized
>> statement. Some dificulties with options should be fixed with named
>> param (we are speaking about 8.5).
>>
>> select explain_xml("select ...", true as hash_detail, ...)
>
I prefere little bit different syntax for named params like param =
value, or param => value, but syntax with AS is one confirmed.

> See to me THAT is a really strange syntax, so I guess we need some more votes.

ok
>
> ...Robert
>

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