Re: Invalid YAML output from EXPLAIN

On 9 June 2010 17:52, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Wed, Jun 9, 2010 at 12:25 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>>> On Wed, Jun 9, 2010 at 11:14 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>>> Why not?  Surely we can restrict EXPLAIN's set of key names to be safe.
>>
>>> It seems to me that it would be easy for a future patch to break this
>>> by accident.
>>
>> Really?  What likely key names would be in need of quoting?  I can't
>> imagine accepting a field name that contains punctuation or leading
>> or trailing whitespace, for example.
>
> It seemed to me, in particular, that someone might use a # symbol,
> like "# of Iterations".
>

Then the resulting XML tagname would be invalid too
I think they would soon realise/be told that it was a bad idea.

Dean