Re: PostgreSQL-13.3 parser.y with positional references by named references

Peter Eisentraut <peter.eisentraut@enterprisedb.com> writes:

> On 04.07.21 17:58, Tom Lane wrote:
>> Domingo Alvarez Duarte <mingodad@gmail.com> writes:
>>> Here https://gist.github.com/mingodad/49291e0e9505522c66fcd3fcea4a939d I
>>> posted the postgresql-13.3/src/backend/parser/gram.y with positional
>>> references by named references that is supported by bison for some time now.
>>
>> When is "some time now"?
>
> release 2.5 (2011-05-14)

Do we support building on RHEL6? It only ships bison 2.4, so that would
mean people building on that would have to install it seprately.

- ilmari