Re: [HACKERS] PostgreSQL on z/OS UNIX?

2015-02-25 Thread Tom Lane
Gord Tomlin writes: > EBCDIC doesn't always have to be a show stopper. There are plenty of > applications that have been ported successfully, and a few (notably > Python) that haven't gone so well. An easy way to get burned is to make > ASCII-centric assumptions about collating order, e.g., c'A

Re: [HACKERS] PostgreSQL on z/OS UNIX?

2015-02-25 Thread Gord Tomlin
Hi Tom, EBCDIC isn't strictly mandatory, but it is the lingua franca of mainframes, so for most applications not running EBCDIC would result in constant translation between EBCDIC and ASCII, which can become a performance issue. The platform does support ASCII and Unicode, but in most cases y

Re: [HACKERS] PostgreSQL on z/OS UNIX?

2015-02-24 Thread Gavin Flower
On 25/02/15 11:12, Tom Lane wrote: Gord Tomlin writes: z/OS UNIX does have certification as a UNIX system, but there are some quirks. The most common sources of problems when porting packages to z/OS UNIX are its use of EBCDIC, and autoconf problems. I guess it's time for some fail/rinse/repeat

Re: [HACKERS] PostgreSQL on z/OS UNIX?

2015-02-24 Thread Tom Lane
Gord Tomlin writes: > z/OS UNIX does have certification as a UNIX system, but there are some > quirks. The most common sources of problems when porting packages to > z/OS UNIX are its use of EBCDIC, and autoconf problems. I guess it's > time for some fail/rinse/repeat. Hmm ... EBCDIC ... is th

Re: [HACKERS] PostgreSQL on z/OS UNIX?

2015-02-24 Thread David Fetter
On Tue, Feb 24, 2015 at 10:31:15AM -0500, Gord Tomlin wrote: > Hello, > > I see that PostgreSQL will run on S/390 and S/390x processors, but I > can find no mention of the z/OS operating system on the web site, in > the documentation or in the mailing list archives. > > Has there been a known att

Re: [HACKERS] PostgreSQL on z/OS UNIX?

2015-02-24 Thread Gord Tomlin
Hi Tom, No, I haven't tried at this point. I thought it would be a good first step to find out whether anyone else had already tried, in order to avoid reinventing any wheels. z/OS UNIX does have certification as a UNIX system, but there are some quirks. The most common sources of problems w

Re: [HACKERS] PostgreSQL on z/OS UNIX?

2015-02-24 Thread Tom Lane
Gord Tomlin writes: > I see that PostgreSQL will run on S/390 and S/390x processors, but I can > find no mention of the z/OS operating system on the web site, in the > documentation or in the mailing list archives. > Has there been a known attempt to port PostgreSQL to z/OS UNIX? If it's reaso

[HACKERS] PostgreSQL on z/OS UNIX?

2015-02-24 Thread Gord Tomlin
Hello, I see that PostgreSQL will run on S/390 and S/390x processors, but I can find no mention of the z/OS operating system on the web site, in the documentation or in the mailing list archives. Has there been a known attempt to port PostgreSQL to z/OS UNIX? Thanks, Gord Tomlin -- Sent vi