FWD » Core Development » Database

07/29/2021

07:38 AM Feature #5491: custom locale/collation implementations

I do not know why are those created. The @locale-gen@ seems a bit buggy to me; or at least the command-line help/manu... Ovidiu Maxiniuc

10:17 PM Feature #5491: custom locale/collation implementations

Ovidiu, I added the following to my @/etc/locale.gen@ file:... Eric Faulhaber

07/28/2021

03:36 PM Feature #5491: custom locale/collation implementations

Also, please apply the needed changes to Hotel GUI and Hotel ChUI. Greg Shah

03:35 PM Feature #5491: custom locale/collation implementations

Please send an email to the entire team to explain the changes needed to move to rev 12732. Greg Shah

03:25 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> Starting with r12732, the collation provider was renamed to @FwdCollatorProvider@ and the j... Roger Borrello

03:17 PM Feature #5491: custom locale/collation implementations

Starting with r12732, the collation provider was renamed to @FwdCollatorProvider@ and the jar @fwdspi.jar@.
Starting... Ovidiu Maxiniuc

08:08 AM Feature #5491: custom locale/collation implementations

In Java 11, the SPI will load from the classpath. When we work the move to Java 11, this will be part of the work. Greg Shah

07:59 AM Feature #5491: custom locale/collation implementations

@jrunscript@ is deprecated and will be removed in a future JDK. At the same time @lib/ext@ mechanism is already dropp... Ovidiu Maxiniuc

07:51 AM Feature #5491: custom locale/collation implementations

I prefer to avoid @jrunscript@ because it is an additional dependency which then must be configured/maintained. For ... Greg Shah

06:49 AM Feature #5491: custom locale/collation implementations

Here is a solution:... Ovidiu Maxiniuc

07/27/2021

05:15 PM Feature #5491: custom locale/collation implementations

> We need to locate this directory first. Is there are OS level setting for it or we need to manipulate the path of @... Greg Shah

05:08 PM Feature #5491: custom locale/collation implementations

Starting in Java 9, we will be able to load it from the classpath so this will "go away". We will be moving from Jav... Greg Shah

04:28 PM Feature #5491: custom locale/collation implementations

Roger Borrello wrote:
> I would think you should be able to include a colon-separated (or semi-colon separated on Wi... Igor Skornyakov

04:24 PM Feature #5491: custom locale/collation implementations

Roger Borrello wrote:
> I would think you should be able to include a colon-separated (or semi-colon separated on Wi... Ovidiu Maxiniuc

04:07 PM Feature #5491: custom locale/collation implementations

I guess that we need to add the JRE's ext dir into the dir list that is passed so that both the JRE ext dir and our c... Greg Shah

04:05 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> The @-Djava.locale.providers=SPI,JRE@ seems to be irrelevant I did not notice any change in... Roger Borrello

04:01 PM Feature #5491: custom locale/collation implementations

The @-Djava.locale.providers=SPI,JRE@ seems to be irrelevant I did not notice any change in behaviour regardless of i... Ovidiu Maxiniuc

12:36 PM Support #5183: database collation

I do not think this is a problem. Please follow this steps:
# edit @/etc/locale.gen@ (as root) and uncomment @en_US.... Ovidiu Maxiniuc

11:44 AM Support #5183: database collation

> Isn't this enough?
It is enough for any customer that is able to implement the custom locales. It won't work fo... Greg Shah

10:55 AM Support #5183: database collation

With latest FWD support for locale/collations, if the PG cluster is created like this:... Ovidiu Maxiniuc

06:20 AM Support #5183 (WIP): database collation

Greg Shah

06:18 AM Support #5183: database collation

I would like to have the same 8859-1 analysis done for the other two codepages/collations which we are supporting (88... Greg Shah

06:11 AM Support #5183: database collation

I reviewed the page and it is good for the initial purpose of this task. I've sent the customer the link.
We have... Greg Shah

07/26/2021

07:05 PM Feature #5491: custom locale/collation implementations

In "Loading a Custom TimeZone Provider in Java 8":https://stackoverflow.com/questions/58937553/loading-a-custom-timez... Greg Shah

03:09 PM Feature #5491: custom locale/collation implementations

Greg Shah wrote:
> I agree this would be preferred. On the other hand, I wonder if there is a way to eliminate this... Ovidiu Maxiniuc

02:49 PM Feature #5491: custom locale/collation implementations

> Is this best scripted into @install_spawner.sh@ (even though that name wouldn't be accurate)?
No, this is too c... Greg Shah

02:32 PM Feature #5491: custom locale/collation implementations

I do not think this is a problem: @p2jspi.jar@ will provide @en_US_P2J@ via @P2JCollatorProvider@ and @fwdspi.jar@ wi... Ovidiu Maxiniuc

02:32 PM Feature #5491: custom locale/collation implementations

I'd like a "safe" way to update the @fwdspi.jar@ file. Is this best scripted into @install_spawner.sh@ (even though t... Roger Borrello

02:28 PM Feature #5491: custom locale/collation implementations

Eric Faulhaber wrote:
> Ovidiu Maxiniuc wrote:
> > Is this a good time to rename @p2jspi.jar@ to @fwdspi.jar@?
>
... Constantin Asofiei

02:17 PM Feature #5491: custom locale/collation implementations

We can't just search and replace. We must leave the older docs in place and just explain the difference starting wit... Greg Shah

02:01 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> Is this a good time to rename @p2jspi.jar@ to @fwdspi.jar@?
I don't have an objection, b... Eric Faulhaber

01:53 PM Feature #5491: custom locale/collation implementations

Is this a good time to rename @p2jspi.jar@ to @fwdspi.jar@? Ovidiu Maxiniuc

04:15 AM Support #5183 (Review): database collation

This issue became primarily about documenting the differences in database collation between the legacy environment an... Eric Faulhaber

07/23/2021

02:13 PM Feature #5491: custom locale/collation implementations

Eric Faulhaber wrote:
> So long as the locale definitions are in place in @/usr/share/i18n/locales@ and the required... Ovidiu Maxiniuc

02:10 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> Eugenie Lyzenko wrote:
> > If it is true - this is really great news!
> Yes, exactly.
> ... Eric Faulhaber

02:04 PM Feature #5491: custom locale/collation implementations

Eugenie Lyzenko wrote:
> If it is true - this is really great news!
Yes, exactly.
Here a quote from @man locale-ge... Ovidiu Maxiniuc

01:59 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> @sudo locale-gen --no-purge --no-archive@
> in order to keep old locales (like @en_US@p2... Eric Faulhaber

01:58 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> 2. and 3. do the same thing. In this case they can be used mutually exclusive.
> I would g... Eugenie Lyzenko

01:52 PM Feature #5491: custom locale/collation implementations

2. and 3. do the same thing. In this case they can be used mutually exclusive.
I would go for 2. because once our lo... Ovidiu Maxiniuc

01:49 PM Feature #5491: custom locale/collation implementations

Eugenie Lyzenko wrote:
> Roger Borrello wrote:
> > I want to be _future proof_... I love that term!
> >
> > So I... Eric Faulhaber

01:36 PM Feature #5491: custom locale/collation implementations

Eugenie Lyzenko wrote:
> This is not required. Moreover I think it is better to keep the file @/etc/locale.gen@ free... Roger Borrello

01:31 PM Feature #5491: custom locale/collation implementations

Roger Borrello wrote:
> I want to be _future proof_... I love that term!
>
> So I will perform:
> # ...
> # add... Eugenie Lyzenko

01:11 PM Feature #5491: custom locale/collation implementations

I want to be _future proof_... I love that term!
So I will perform:
# @sudo cp <p2j>/locale/en_GB&#64;iso88591_fw... Roger Borrello

12:47 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> If the dialect is not H2, the @embedded-collation@ settings under respective database node ... Eric Faulhaber

12:13 PM Feature #5491: custom locale/collation implementations

If the dialect is not H2, the @embedded-collation@ settings under respective database node is not used.
(Eric: curre... Ovidiu Maxiniuc

10:48 AM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> Roger Borrello wrote:
> > Just confirming... making the changes in my @directory.xml@ (fro... Roger Borrello

10:41 AM Feature #5491: custom locale/collation implementations

Roger Borrello wrote:
> Just confirming... making the changes in my @directory.xml@ (from @en_GB_iso88591_fwd_basic@... Ovidiu Maxiniuc

10:26 AM Feature #5491: custom locale/collation implementations

Just confirming... making the changes in my @directory.xml@ (from @en_GB_iso88591_fwd_basic@ to @en_GB&#64;iso88591_f... Roger Borrello

10:09 AM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> Eugenie Lyzenko wrote:
> > Do I need to update @directory.xml@ and @p2j.cfg.xml@ for a pro... Eugenie Lyzenko

10:07 AM Feature #5491: custom locale/collation implementations

Eric Faulhaber wrote:
> Ovidiu Maxiniuc wrote:
> > In fact, I am a bit against this line which forces the schema to... Ovidiu Maxiniuc

10:00 AM Feature #5491: custom locale/collation implementations

Eugenie Lyzenko wrote:
> Do I need to update @directory.xml@ and @p2j.cfg.xml@ for a project to use @nl_NL@cp1252_fw... Ovidiu Maxiniuc

09:08 AM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> Roger Borrello wrote:
> > If/when there is a change, will there be another conversion requ... Eugenie Lyzenko

10:54 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> In fact, I am a bit against this line which forces the schema to be used only with the sp... Eric Faulhaber

10:53 PM Feature #5491: custom locale/collation implementations

Eugenie Lyzenko wrote:
> Are you planning to add more conversion related changes tomorrow in this area?
As far ... Eric Faulhaber

10:50 PM Feature #5491: custom locale/collation implementations

Ovidiu,
I have started new conversion for @12709@. Just because I need to verify everything from scratch again.
... Eugenie Lyzenko

07/22/2021

02:01 PM Feature #5491: custom locale/collation implementations

Guys,
If another conversion is planned during next day please let me know within next 21 hour. This will ensure th... Eugenie Lyzenko

11:08 AM Feature #5491: custom locale/collation implementations

Roger Borrello wrote:
> If/when there is a change, will there be another conversion required? I was about to update ... Ovidiu Maxiniuc

10:36 PM Feature #5491: custom locale/collation implementations

Eric Faulhaber wrote:
> Sorry for the churn. Had I anticipated these seemingly simple name changes would be so probl... Roger Borrello

07/21/2021

04:27 PM Feature #5491: custom locale/collation implementations

Yes, if the new locale was added to @/etc/locale.gen@. This needs to be added in our wiki. Ovidiu Maxiniuc

03:28 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> There is a good news, though. The process works each time (I've created the locale then t... Eric Faulhaber

03:15 PM Feature #5491: custom locale/collation implementations

Yes, that puzzled me too. Notice that after the @.@ there is no @_@ character. The @_@ in out locale names are droppe... Ovidiu Maxiniuc

03:06 PM Feature #5491: custom locale/collation implementations

I don't understand. The dot is used in many of the standard locale names.
For example, @locale -a@ on my system cu... Eric Faulhaber

03:03 PM Feature #5491: custom locale/collation implementations

That seems fine. Greg Shah

03:02 PM Feature #5491: custom locale/collation implementations

Sorry for the silence of the last hours. I continued my experiments. It looks like the underscore (@_@) is NOT the is... Ovidiu Maxiniuc

03:01 PM Feature #5491: custom locale/collation implementations

@[@ and @]@ are probably not great since they have meaning in other languages including in shell script.
If the hy... Greg Shah

03:01 PM Feature #5491: custom locale/collation implementations

Sorry for the churn. Had I anticipated these seemingly simple name changes would be so problematic, I would have had ... Eric Faulhaber

02:58 PM Feature #5491: custom locale/collation implementations

If/when there is a change, will there be another conversion required? I was about to update the customer's environmen... Roger Borrello

02:08 PM Feature #5491: custom locale/collation implementations

Eric Faulhaber wrote:
> I'm ok with @en_US.iso88591FWDbasic@, but I have a feeling @locale-gen@ lowercases everythin... Eugenie Lyzenko

01:59 PM Feature #5491: custom locale/collation implementations

I'm ok with @en_US.iso88591FWDbasic@, but I have a feeling @locale-gen@ lowercases everything after the dot, so I was... Eric Faulhaber

01:49 PM Feature #5491: custom locale/collation implementations

Eric Faulhaber wrote:
> OK, so the underscores are a problem with Linux. The @@@ symbols are a problem with H2. Shou... Eugenie Lyzenko

01:19 PM Feature #5491: custom locale/collation implementations

OK, so the underscores are a problem with Linux. The @@@ symbols are a problem with H2. Should we just get rid of all... Eric Faulhaber

01:04 PM Feature #5491: custom locale/collation implementations

Roger Borrello wrote:
> Are those steps only required in an upgrade scenario? Perhaps the steps should be mentioned ... Ovidiu Maxiniuc

12:53 PM Feature #5491: custom locale/collation implementations

Roger Borrello wrote:
> Are those steps only required in an upgrade scenario?
Or if you want to clean up the syst... Eugenie Lyzenko

12:46 PM Feature #5491: custom locale/collation implementations

Are those steps only required in an upgrade scenario? Perhaps the steps should be mentioned in the Wiki in a separate... Roger Borrello

10:26 AM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> Eugenie Lyzenko wrote:
> > Why the step 2 above is required if it run once again on step 4... Eugenie Lyzenko

09:44 AM Feature #5491: custom locale/collation implementations

Eugenie Lyzenko wrote:
> Why the step 2 above is required if it run once again on step 4? I used almost the same sce... Ovidiu Maxiniuc

10:02 AM Feature #4022: upgrade to a newer PostgreSQL release

I was able to alleviate the error by going back to PL/Java 1.5.6, and abandoning the 1.6.2 version. Good riddance (fo... Roger Borrello

07/20/2021

06:12 PM Feature #5491: custom locale/collation implementations

My import completed for @nl_NL.cp1252_fwd_basic@ based cluster.
The DB looks good. Eugenie Lyzenko

05:58 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> I used a fresh Ubuntu installation to create the PG cluster with @nl_NL.cp1252_fwd_basic@ C... Eugenie Lyzenko

05:27 PM Feature #5491: custom locale/collation implementations

I used a fresh Ubuntu installation to create the PG cluster with @nl_NL.cp1252_fwd_basic@ Collation and Ctype. Howeve... Ovidiu Maxiniuc

05:15 PM Feature #5491: custom locale/collation implementations

Greg Shah wrote:
> Why are you changing @/etc/default/locale@? Wouldn't this make the JVM start with @LANG=en_US.is... Ovidiu Maxiniuc

02:05 PM Feature #5491: custom locale/collation implementations

Why are you changing @/etc/default/locale@? Wouldn't this make the JVM start with @LANG=en_US.iso88591_fwd_basic@? ... Greg Shah

01:06 PM Feature #5491: custom locale/collation implementations

Yes, but the problem is that you need to run step 3 the first. If @/usr/lib/locale/nl_NL.cp1252_fwd_basic@ is not gen... Ovidiu Maxiniuc

12:54 PM Feature #5491: custom locale/collation implementations

Well, now I also have the required cluster:... Eugenie Lyzenko

12:39 PM Feature #5491: custom locale/collation implementations

Eugenie Lyzenko wrote:
> The only way to have cluster created for me is to add the following locale:
> @sudo locale... Eugenie Lyzenko

12:36 PM Feature #5491: custom locale/collation implementations

Eric Faulhaber wrote:
> Ovidiu, are the obsolete FWD locales perhaps being generated due to changes you've made in t... Ovidiu Maxiniuc

12:35 PM Feature #5491: custom locale/collation implementations

The only way to have cluster created for me is to add the following locale:
@sudo localedef -c -f CP1252 -i nl_NL.cp... Eugenie Lyzenko

12:28 PM Feature #5491: custom locale/collation implementations

Ovidiu, are the obsolete FWD locales perhaps being generated due to changes you've made in the list of supported loca... Eric Faulhaber

12:26 PM Feature #5491: custom locale/collation implementations

Eugenie Lyzenko wrote:
> Please clarify what do you mean by "1st step" above?
I mean to do the entire process on a ... Ovidiu Maxiniuc

12:20 PM Feature #5491: custom locale/collation implementations

To be clear: all the FWD-related custom locales with @p2j_basic@ or @@@ in the names are obsolete and should no longe... Eric Faulhaber

12:16 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> It works again for me:
> [...]
>
> I need to do a clean-up and recreate it all from the... Eugenie Lyzenko

11:57 AM Feature #5491: custom locale/collation implementations

It works again for me:... Ovidiu Maxiniuc

10:44 AM Feature #5491: custom locale/collation implementations

Things are a bit more complicated:
The dot (@.@) cannot be used in H2. It is replaced in the background with @_@.
T... Ovidiu Maxiniuc

10:06 AM Feature #5491: custom locale/collation implementations

Do we have to use different locale name formats for PG and H2? Why not to use some simpler name, say @nl_NL.cp1252@? ... Eugenie Lyzenko

09:57 AM Feature #5491: custom locale/collation implementations

I am also investigating the issue. But I could not find a reason what is wrong.
I edited @edit /etc/locale.gen@ a... Ovidiu Maxiniuc

09:38 AM Feature #5491: custom locale/collation implementations

Ovidiu: The documentation seems to be incorrect. I think Eugenie is doing exact what is listed but it does not work. Greg Shah

09:15 AM Feature #5491: custom locale/collation implementations

Greg Shah wrote:
> Isn't the @.@ a problem in SQL?
I think the @pg_createcluster@ just drops everything after @.@... Eugenie Lyzenko

08:21 AM Feature #5491: custom locale/collation implementations

Isn't the @.@ a problem in SQL? Greg Shah

08:10 AM Feature #5491: custom locale/collation implementations

The strange thing is happening:
1. I have both system locales installed, @nl_NL@CP1252@basic@FWD@ and @nl_NL.cp1252_... Eugenie Lyzenko

07/17/2021

09:04 AM Feature #5491: custom locale/collation implementations

The H2/Java collation names and Linux/PostgreSQL locale names were unified as described above.
Also, I think I updat... Ovidiu Maxiniuc

07/15/2021

06:30 PM Feature #4022: upgrade to a newer PostgreSQL release

I have been trying to get my test system going using PostgreSQL 13 for updated client code, and when I get to the PL/... Roger Borrello

04:46 PM Feature #5491: custom locale/collation implementations

@en_US.iso88591_fwd_basic@ will be then. Ovidiu Maxiniuc

04:36 PM Feature #5491: custom locale/collation implementations

I prefer the underscores. Greg Shah

04:03 PM Feature #5491: custom locale/collation implementations

Eric Faulhaber wrote:
> OK, Ovidiu, so it sounds like we need to keep this setting in @p2j.cfg.xml@. But for consist... Eric Faulhaber

04:02 PM Feature #5491: custom locale/collation implementations

OK, Ovidiu, so it sounds like we need to keep this setting in @p2j.cfg.xml@. But for consistency from the user's pers... Eric Faulhaber

03:38 PM Feature #5491: custom locale/collation implementations

Constantin Asofiei wrote:
> Do you mean this in @p2j.cfg.xml@?
> [...]
>
> The reason was to emit the @set colla... Constantin Asofiei

02:31 PM Feature #5491: custom locale/collation implementations

Do you mean this in @p2j.cfg.xml@?... Constantin Asofiei

02:18 PM Feature #5491: custom locale/collation implementations

Eric Faulhaber wrote:
> If we need to keep the collation setting in @p2j.cfg.xml@, we can accept either form. I th... Eric Faulhaber

02:16 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> I did not think about it that way, but it makes sense. We can use the @@@, too in this ca... Eric Faulhaber

01:30 PM Feature #5491: custom locale/collation implementations

Eric Faulhaber wrote:
> Do you recall what that is used for?
According to bzr, it was added in 2010, with the _"sup... Ovidiu Maxiniuc

12:35 PM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> This seems to fit in both worlds.
I don't think it really fits in the Linux world. The... Eric Faulhaber

12:24 PM Feature #5491: custom locale/collation implementations

H2 identifies the locale using its name this way:... Ovidiu Maxiniuc

11:22 AM Feature #5491: custom locale/collation implementations

Ovidiu Maxiniuc wrote:
> The SPI only provides a sort order. The language and country are probably irrelevant here... Eric Faulhaber

11:01 AM Feature #5491: custom locale/collation implementations

From #5034:
The SPI only provides a sort order. The language and country are probably irrelevant here, but they ar... Ovidiu Maxiniuc

07/14/2021

07:21 PM Feature #5491: custom locale/collation implementations

I assume that setting would be in the form @<language>_<COUNTRY>@, e.g., @en_US@, @en_GB@, etc. To compose an @embedd... Eric Faulhaber

06:58 PM Feature #5491: custom locale/collation implementations

Eric Faulhaber wrote:
> ...
> Do we already have comparable settings in the directory (or programmatic defaults) fo... Eric Faulhaber

06:53 PM Feature #5491 (WIP): custom locale/collation implementations

We need to simplify the configuration of the locale/collation in use for databases, including the @_temp@ database. I... Eric Faulhaber

07/10/2021

04:29 AM Bug #5540: can't query meta info for meta tables

@testcases/uast/dump_meta_info.p@ reads all the @_File@ records and outputs some meta information about all tables (f... Constantin Asofiei

04:27 AM Bug #5540 (New): can't query meta info for meta tables

Constantin Asofiei

07/07/2021

03:44 PM Feature #5491: custom locale/collation implementations

Code review 3821c/12640:
The changes in this revision look good.
I took another look at @gen-locale.p@ and I di... Eric Faulhaber

09:10 PM Feature #5491: custom locale/collation implementations

Done. Committed revision 12640.
I also updated the extractor procedure to create new files with fixed header/title a... Ovidiu Maxiniuc

10:20 AM Bug #5521 (Closed): [java] java.io.EOFException on import when no PSC footer

Greg Shah

10:15 AM Bug #5521: [java] java.io.EOFException on import when no PSC footer

My @ant import.db@ of the database went off without any issues (aside from my PL/Java getting upgraded to 1.6.2 again). Roger Borrello

06:22 AM Bug #5521 (Test): [java] java.io.EOFException on import when no PSC footer

Greg Shah

06:22 AM Bug #5521: [java] java.io.EOFException on import when no PSC footer

Code Review Task Branch 3821c Revison 12640
The changes look good. Greg Shah

09:07 PM Bug #5521 (WIP): [java] java.io.EOFException on import when no PSC footer

The issue should be fixed in revision 12640. Ovidiu Maxiniuc

07/06/2021

08:14 AM Bug #5521: [java] java.io.EOFException on import when no PSC footer

Some details are available in the related thread starting at #5034-814.
From Greg:
>I don't think we should be s... Roger Borrello

08:12 AM Bug #5521 (Closed): [java] java.io.EOFException on import when no PSC footer

Roger Borrello

07/05/2021

06:51 PM Feature #4022: upgrade to a newer PostgreSQL release

I noticed that @postgresql-10-pljava@ was on the auto-update list, and pljava was upgraded at 5pm to @1.6.2-2.pgdg20.... Roger Borrello

04:59 PM Feature #5491: custom locale/collation implementations

Please change the @title@ in the @LC_IDENTIFICATION@ section of the @en_GB@ locale definitions to say, "Great Britain... Eric Faulhaber

04:26 PM Feature #5491: custom locale/collation implementations

No, I'll close it after review of this current batch. As we create more locales/collators over time, we can reopen it... Eric Faulhaber

04:20 PM Feature #5491 (Review): custom locale/collation implementations

Do we keep this task open for adding new collations? Ovidiu Maxiniuc