Thank you, I would!
What versions have you tested the patch against? I am sorry but I am
not too familiar with applying patches against the main program, is
there documentation on how to apply the patch? Is there a way to roll
the patch back/remove it? Would I be able to script the installation of
the patch (I would expect so).
The reason for the last question is that I expect (hope) many people
will use it and I want to make it as easy as possible for a user to
simply select or unselect the patch if it works well. If I can script
the install and removal of this patch then I can do just this and that
would be wonderful.
Thank you again!
どうも ありがとう ございます! (I hope that is right, my
Japanese is
still elementary. :) )
Madison
Tatsuo Ishii wrote:
> We have developed patches which relaxes the character validation so
> that PostgreSQL accepts invalid characters. It works like this:
>
> 1) new postgresql.conf item "mbstr_check" added.
> 2) if mbstr_check = 0 then invalid characters are not accepted
> (same as current PostgreSQL behavior). This is the default.
> 3) if mbstr_check = 1 then invalid characters are accepted with
> WARNING
> 4) if mbstr_check = 2 then invalid characters are accepted without any
> warnings
> 5) We have checked PostgreSQL source code if accepting invalid
> characters makes some troubles. We have found that we need to fix a
> place and the fix is included in the patches.
>
> Madison,
> If you are interested in the patches, I could send it to you.
>
> Hackers,
> Do you think the functionality something like above is worth to add to
> PostgreSQL?
> --
> Tatsuo Ishii
>
>
>>Hi all,
>>
>> I've been chasing down a bug and from what I have learned it may be
>>because of how postgreSQL (8.0.2 on Fedora Core 4 test 2) handles
>>invalid unicode. I've been given some ideas on how to try to catch
>>invalid unicode but it seems expensive so I am hoping there is a
>>postgresql way to deal with this problem.
>>
>> I've run into a problem where a bulk postgres "COPY..." statement is
>>dieing because one of the lines contains a file name with an invalid
>>unicode character. In nautilus this file has '(invalid encoding)' and
>>the postgres error is 'CONTEXT: COPY file_info_3, line 228287, column
>>file_name: "Femme Fatal\uffff.url"'.
>>
>> To actually look at the file from the shell (bash) shows what appears
>>to be a whitespace but when I copy/paste the file name I get the
>>'\uffff' you see above.
>>
>> I could, with the help of the TLUG people, use regex to match for an
>>invalid character and skip the file but that is not ideal. The reason is
>>that this is for my backup program and invalid unicode or not, the
>>contents of the file may still be important and I would prefer to have
>>it in the database so that it is later copied. I can copy and move the
>>file in the shell so the file isn't apparently in an of itself corrupt.
>>
>> So then, is there a way I can tell postresql to accept the invalid
>>unicode name? Here is a copy of my schema:
>>
>>tle-bu=> \d file_info_2
>> Table "public.file_info_2"
>> Column | Type | Modifiers
>>----------------------+----------------------+-----------------------------------------
>> file_group_name | text |
>> file_group_uid | bigint | not null
>> file_mod_time | bigint | not null
>> file_name | text | not null
>> file_parent_dir | text | not null
>> file_perm | text | not null
>> file_size | bigint | not null
>> file_type | character varying(2) | not null default
>>'f'::character varying
>> file_user_name | text |
>> file_user_uid | bigint | not null
>> file_backup | boolean | not null default true
>> file_display | boolean | not null default false
>> file_restore_display | boolean | not null default false
>> file_restore | boolean | not null default false
>>Indexes:
>> "file_info_2_display_idx" btree (file_type, file_parent_dir, file_name)
>>
>> 'file_name' and 'file_parent_dir' are the columns that could have
>>entries with the invalid unicode characters. Maybe I could/should use
>>something other than 'text'? These columns could contain anything that a
>>file or directory name could be.
>>
>> Thanks!
>>
>>Madison
>>
>>--
>>-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
>>Madison Kelly (Digimer)
>>TLE-BU, The Linux Experience; Back Up
>>http://tle-bu.thelinuxexperience.com
>>-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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