Hello, you have to use correct localses for your encoding and country:
for czech and utf8 is cs_CZ.UTF8 .. for latin2 is cs_CZ.latin2 etc czech sorting has more exception and it works caa čaa daa cha ... it is well for czech iaa On 20/01/2008, Luca Arzeni <[EMAIL PROTECTED]> wrote: > On Jan 15, 2008 6:37 PM, Tom Lane <[EMAIL PROTECTED]> wrote: > > >>Luca Arzeni <[EMAIL PROTECTED]> writes: > >> That is: the sort order in postgres 8.1.9 seems to ignore the blank. > > >-------------------- > >This is expected behavior in most non-C locales. > >Try "initdb --locale=C". > > regards, tom lane > > >-------------------- > >I guess this has nothing to do with the encoding, but with > >the collation rules used, which is governed by "lc_collate" > >parameter. See what you get on both DBs for: > >SHOW lc_collate ; > >HTH, > >Csaba. > > > Thanks Tom, and Csaba > > both of you hit the problem: actually Postgres 7.4.7 has a C locale and > Postgres 8.1 has US.UTF8 locale. Setting locale to locale=C or > locale=POSIX for release 8.1 solved this issue, but it opens another one: > if I use locale=C, I get: > > XXXX A > XXXX C > XXXXB > > as sort order (which is fine regarding blanks), but this setting gives me > an error when it cames to: > > XXXX d > XXXX e > XXXX f > XXXX è > > because the right sort ordering should be: > > XXXX d > XXXX e > XXXX è > XXXX f > > So the problem is: > > - C or POSIX locale is OK with blanks but fails on locale specific vowels > - LATIN9 locale is OK with vowels but ignores blanks > > Is there any way to consider blanks meaningfull AND sort properly locale > specific vowels ? > > I don't know what SQL standard says about this issue, but I'm sure that in > Italy you sort names considering vowels AND blanks :-} ! > > Thanks, Luca > > > > > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Have you searched our list archives? > > http://archives.postgresql.org/ > ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster