Re: [PATCHES] Patch to make Turks happy.

Bruce Momjian writes:

> I am not going to apply this patch because I think it will mess up the
> handling of other locales.

This patch looks OK to me. Normally, character set names should use
identifier case-folding rules anyway, so seems to be a step in the right
direction. Much better than saying that users of certain locales can't
properly use PostgreSQL.

>
>
> ---------------------------------------------------------------------------
>
> Nicolai Tufar wrote:
> > Hi,
> >
> > Yet another problem with Turkish encoding. clean_encoding_name()
> > in src/backend/utils/mb/encnames.c uses tolower() to convert locale
> > names to lower-case. This causes errors if locale name contains
> > capital "I" and current olcale is Turkish. Some examples:
> >
> > aaa=# \l
> > List of databases
> > Name | Owner | Encoding
> > -----------+-------+----------
> > aaa | pgsql | LATIN5
> > bbb | pgsql | LATIN5
> > template0 | pgsql | LATIN5
> > template1 | pgsql | LATIN5
> > (4 rows)
> > aaa=# CREATE DATABASE ccc ENCODING='LATIN5';
> > ERROR: LATIN5 is not a valid encoding name
> > aaa=# \encoding
> > SQL_ASCII
> > aaa=# \encoding SQL_ASCII
> > SQL_ASCII: invalid encoding name or conversion procedure not found
> > aaa=# \encoding LATIN5
> > LATIN5: invalid encoding name or conversion procedure not found
> >
> >
> > Patch, is a simple change to use ASCII-only lower-case conversion
> > instead of locale-dependent tolower()
> >
> > Best regards,
> > Nic.
> >
> >
> >
> >
> >
> >
> > *** ./src/backend/utils/mb/encnames.c.orig Mon Dec 2 15:58:49 2002
> > --- ./src/backend/utils/mb/encnames.c Mon Dec 2 18:13:23 2002
> > ***************
> > *** 407,413 ****
> > for (p = key, np = newkey; *p != '\0'; p++)
> > {
> > if (isalnum((unsigned char) *p))
> > ! *np++ = tolower((unsigned char) *p);
> > }
> > *np = '\0';
> > return newkey;
> > --- 407,416 ----
> > for (p = key, np = newkey; *p != '\0'; p++)
> > {
> > if (isalnum((unsigned char) *p))
> > ! if (*p >= 'A' && *p <= 'Z')
> > ! *np++ = *p + 'a' - 'A';
> > ! else
> > ! *np++ = *p;
> > }
> > *np = '\0';
> > return newkey;
> >
> >
> > ---------------------------(end of broadcast)---------------------------
> > TIP 4: Don't 'kill -9' the postmaster
> >
>
>

--
Peter Eisentraut peter_e(at)gmx(dot)net