Re: "Too far out of the mainstream"

On Sat, Sep 1, 2012 at 8:01 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> writes:
> > On Sat, Sep 1, 2012 at 7:25 AM, Chris Travers <chris(dot)travers(at)gmail(dot)com>
> wrote:
> >> 1) While MySQL is perhaps better marketed, PostgreSQL is an older
> project
> >> with a proud heritage (Informix started as a Postgres fork), and
> top-rate
>
> > Pretty sure that's not true. Ingres is a cousin of Postgres started
> > by the same guy, Stonebraker, but it's not a fork either.
>
> He didn't say Ingres.
>
> Illustra was a commercial fork of Postgres (the pre-SQL versions, I
> think). It was later bought out by Informix. I don't have any info
> on how much of that code base survives in the modern (IBM-owned)
> version of Informix - but one could assume there's at least some.
>
> Also whether Informix still has Postgres code, the heritage is quite
obvious when you start looking at things like OID's and table inheritance.

I checked and it was pre-SQL when the fork occurred, and in fact Illustra
moved to SQL first. This probably explains a lot of differences (such as
in how table inheritance works in Informix vs Postgres).

Best Wishes,
Chris Travers