Re: Invalid YAML output from EXPLAIN

"Greg Sabino Mullane" <greg(at)turnstep(dot)com> writes:
> The rules should be:

> Requires quoting only if the first character:
> & * ! | > ' " % @ ` #

> Same as above, but no quoting if the second character is "safe":
> - ? :

> Always requires quoting:
> ":<space>" "<space>#" aka ': ' ' #'

> Always requires quoting:
> , [ ] { }

> Always require quoting:
> (leading space) (trailing space) (empty string)

Egad ... this is supposed to be an easily machine-generatable format?

If it's really as broken as the above suggests, I think we should
rip it out while we still can.

regards, tom lane