Re: Lc_collate & lc_type? whitespace and nbsp unique index...

Laurenz, there is no index for this table.
ka_im_pg=#select * from pg_indexes where tablename='_inforg31440';
schemaname | tablename | indexname | tablespace | indexdef
------------+-----------+-----------+------------+----------
(0 rows)

ka_im_pg=# \d _inforg31440
Table "public._inforg31440"
Column | Type | Collation | Nullable | Default
---------------+---------------+-----------+----------+---------
_fld31441 | mvarchar(400) | | not null |
_fld31442 | mvarchar(10) | | not null |
_fld31443rref | bytea | | not null |
_fld2102 | numeric(7,0) | | not null |

ka_im_pg=# INSERT INTO cyrillic VALUES (2,
convert_from('\x57\x31\x39\x30\x33\x42\x50\x20\x57\x49\x4e\x4b\x4f\x44\x20\xd0\x9a\xd0\xbe\xd0\xbb\xd0\xbe\xd0\xb4\xd0\xba\xd0\xb8\x20\xd0\xb4\xd0\xb8\xd1\x81\xd0\xba\xd0\xbe\xd0\xb2\xd1\x8b\xd0\xb5\x2c\x20\xd0\xbf\xd0\xb5\xd1\x80\xd0\xb5\xd0\xb4\xd0\xbd\xd0\xb8\xd0\xb5',
'UTF-8'));
INSERT 0 1
ka_im_pg=# INSERT INTO cyrillic VALUES (3,
convert_from('\x57\x31\x39\x30\x33\x42\x50\x20\x57\x49\x4e\x4b\x4f\x44\xc2\xa0\xd0\x9a\xd0\xbe\xd0\xbb\xd0\xbe\xd0\xb4\xd0\xba\xd0\xb8\xc2\xa0\xd0\xb4\xd0\xb8\xd1\x81\xd0\xba\xd0\xbe\xd0\xb2\xd1\x8b\xd0\xb5\x2c\x20\xd0\xbf\xd0\xb5\xd1\x80\xd0\xb5\xd0\xb4\xd0\xbd\xd0\xb8\xd0\xb5',
'UTF-8'));
INSERT 0 1

ka_im_pg=# SELECT * FROM cyrillic WHERE t = E'W1903BP
WINKOD\u00A0Колодки\u00A0дисковые, передние';
id | t
----+-------------------------------------------
3 | W1903BP WINKOD Колодки дисковые, передние
(1 row)

ka_im_pg=# SELECT * FROM cyrillic WHERE t = E'W1903BP WINKOD Колодки
дисковые, передние';
id | t
----+-------------------------------------------
2 | W1903BP WINKOD Колодки дисковые, передние
(1 row)

ka_im_pg=# select * from cyrillic;
id | t
----+-------------------------------------------
2 | W1903BP WINKOD Колодки дисковые, передние
3 | W1903BP WINKOD Колодки дисковые, передние
(2 rows)

Your variant is working. But in my case the software which inserts the data
into the database didn't use the convert_from function.
Try to find a workaround.
Thank you!

пн, 12 июл. 2021 г. в 17:26, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>:

> Please include the list in your replies.
>
> On Mon, 2021-07-12 at 13:07 +0600, Ilmir Mulyukov wrote:
> > Laurenz, thank you for you help.
> >
> > ka_im_pg=# select * from _inforg31440 where _Fld31441='W1903BP WINKOD
> Колодки дисковые, передние';
> > _fld31441 | _fld31442 | _fld31443rref | _fld2102
> >
> -------------------------------------------+-----------+------------------------------------+----------
> > W1903BP WINKOD Колодки дисковые, передние | |
> \x80e9a4bf010099b511ebd3d00c89f5f2 | 0
> > W1903BP WINKOD Колодки дисковые, передние | 796 |
> \x80e9a4bf010099b511ebc98cf68225d2 | 0
> > W1903BP WINKOD Колодки дисковые, передние | |
> \x80e9a4bf010099b511ebc5056610dedf | 0
> > W1903BP WINKOD Колодки дисковые, передние | 796 |
> \x80e8a4bf010099b511ebae02a81729c0 | 0
> > (4 rows)
> >
> > Utf encode for 1 and 3 row:
> >
> >
> \x57\x31\x39\x30\x33\x42\x50\x20\x57\x49\x4e\x4b\x4f\x44\x20\xd0\x9a\xd0\xbe\xd0\xbb\xd0\xbe\xd0\xb4\xd0\xba\xd0\xb8\x20\xd0\xb4\xd0\xb8\xd1\x81\xd0\xba\xd0\xbe\xd0\xb2\xd1\x8b\xd0\xb5\x2c\x20\xd0\x
> > bf\xd0\xb5\xd1\x80\xd0\xb5\xd0\xb4\xd0\xbd\xd0\xb8\xd0\xb5
> >
> >
> \x57\x31\x39\x30\x33\x42\x50\x20\x57\x49\x4e\x4b\x4f\x44\xc2\xa0\xd0\x9a\xd0\xbe\xd0\xbb\xd0\xbe\xd0\xb4\xd0\xba\xd0\xb8\xc2\xa0\xd0\xb4\xd0\xb8\xd1\x81\xd0\xba\xd0\xbe\xd0\xb2\xd1\x8b\xd0\xb5\x2c\x
> > 20\xd0\xbf\xd0\xb5\xd1\x80\xd0\xb5\xd0\xb4\xd0\xbd\xd0\xb8\xd0\xb5
>
> I doubt that:
>
> CREATE TABLE cyrillic(id integer PRIMARY KEY, t text);
>
> INSERT INTO cyrillic VALUES (1,
> convert_from('\x573139303342502057494e4b4f4420d09ad0bed0bbd0bed0b4d0bad0b820d0b4d0b8d181d0bad0bed0b2d18bd0b52c20d0bfd0b5d180d0b5d0b4d0bdd0b8d0b5',
> 'UTF8'));
> INSERT INTO cyrillic VALUES (2,
> convert_from('\x573139303342502057494e4b4f44c2a0d09ad0bed0bbd0bed0b4d0bad0b8c2a0d0b4d0b8d181d0bad0bed0b2d18bd0b52c20d0bfd0b5d180d0b5d0b4d0bdd0b8d0b5',
> 'UTF8'));
>
> SELECT * FROM cyrillic WHERE t = E'W1903BP
> WINKOD\u00A0Колодки\u00A0дисковые, передние';
>
> id │ t
> ════╪═══════════════════════════════════════════
> 2 │ W1903BP WINKOD Колодки дисковые, передние
> (1 row)
>
> SELECT * FROM cyrillic WHERE t = E'W1903BP WINKOD Колодки дисковые,
> передние';
>
> id │ t
> ════╪═══════════════════════════════════════════
> 1 │ W1903BP WINKOD Колодки дисковые, передние
> (1 row)
>
> Perhaps you got a corrupted index on the "_fld31441" column.
> Does reindexing that index change things?
>
> Yours,
> Laurenz Albe
> --
> Cybertec | https://www.cybertec-postgresql.com
>