Re: Is it possible to sort strings in EBCDIC order in PostgreSQL server?

[James Keener <jim@xxxxxxxxxxxxx>]

Sorry for spamming the list. It appears that I'm an idiot. Sorry :(

jim=# select * from test order by a collate "C";
          a          
----------------------
 12 Days of Christmas
 12 drummers
 Anne
 Isaac
 Jim
 a
 aardvark
 b
 island
 job
(10 rows)

jim=# select * from test order by a collate "en_US.utf8";
          a          
----------------------
 12 Days of Christmas
 12 drummers
 a
 aardvark
 Anne
 b
 Isaac
 island
 Jim
 job
(10 rows)

On Tue, Dec 12, 2017 at 10:36 AM, James Keener <jim@xxxxxxxxxxxxx> wrote:

en_US.utf8. is still 0-9A-Za-z and in my example set (as it's my default too :))

You'd need a case insensitive collation to do what you described, and I'm not sure those exist in postgres. (I guess you could always build your own if you _really_ wanted to.

Jim

On Tue, Dec 12, 2017 at 10:24 AM, John McKown <john.archie.mckown@xxxxxxxxx> wrote:

On Tue, Dec 12, 2017 at 9:11 AM, James Keener <jim@xxxxxxxxxxxxx> wrote:

The default C locale on Linux (I don't know Windows) will sort "digits", then alphabetic with the lower then upper case of each letter in order like: "aAbB...zZ"

That's no true at all! The C locales are 0-9A-Za-z

​Thanks for the correction. Turns out that I forgot that my default locale on Linux was en_US.utf8.​

--

I have a theory that it's impossible to prove anything, but I can't prove it.

Maranatha! <><
John McKown