Re: BUG #16171: Potential malformed JSON in explain output

Daniel Gustafsson <daniel@yesql.se> writes:
> On 1 Feb 2020, at 20:37, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> 0002 attached isn't committable, because nobody would want the overhead
>> in production, but it seems like a good trick to keep up our sleeves.

> Thats a neat trick, I wonder if it would be worth maintaining a curated list of
> these tricks in a README under src/test to help others avoid/reduce wheel
> reinventing?

It occurred to me that as long as this is an uncommittable hack anyway,
we could feed the EXPLAIN data to jsonb_in and then hot-wire the jsonb
code to whine about duplicate keys.  So attached, for the archives' sake,
is an improved version that does that.  I still don't find any problems
(other than the one we're fixing here); though no doubt if I reverted
100136849 it'd complain about that.

			regards, tom lane