Robert Haas <[email protected]> writes:
> On Thu, Oct 15, 2009 at 7:29 AM, Itagaki Takahiro
> <[email protected]> wrote:
>> EXPLAIN BUFFERS only shows 'hit', 'read' and 'temp read' in text format
>> to fit in display, but xml or json format contains all of them.
> I was very careful when I submitted the machine-readable explain patch
> to make sure that the choice of which information was displayed was
> independent of the format, and I think that we should stick with that.
I thought one of the main purposes of adding the machine-readable
formats was to allow inclusion of information that we thought too
verbose for the human-readable format. Whether this info falls into
that category remains to be seen, but I don't agree with the premise
that the information content must always be exactly the same.
FWIW, the patch's output as it stood a few days ago (one extra line per
node, conditional on a BUFFERS option) did seem perfectly reasonable to
me, and I don't see the reason to change that format now.
regards, tom lane
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