Wrong results after creating collation or win1251 from unicode case
insensitive: strings are considered as distinct while they don't
------------------------------------------------------------------------------------------------------------------------------------
Key: CORE-4180
URL: http://tracker.firebirdsql.org/browse/CORE-4180
Project: Firebird Core
Issue Type: Bug
Components: Charsets/Collation
Affects Versions: 3.0 Alpha 1
Reporter: Pavel Zotov
Priority: Minor
C:\>chcp 1251
<message in national lang. here>: 1251
C:\>C:\1Install\fb30\isql localhost/3330:empty30 -user sysdba -pas masterke -n
-ch win1251
Database: localhost/3330:empty30, User: sysdba
SQL> create collation ci_coll for win1251 from unicode case insensitive;
SQL> commit;
SQL> recreate table tci(id int, name varchar(30) character set win1251 collate
ci_coll);
SQL> commit;
SQL> insert into tci(id, name) values(1, 'one row');
SQL> insert into tci(id, name) values(2, 'oNE rOW');
SQL> insert into tci(id, name) values(3, 'ONE ROW');
SQL> commit;
SQL> select distinct name from tci;
NAME
==============================
one row
oNE rOW
ONE ROW
SQL> show table tci;
ID INTEGER Nullable
NAME VARCHAR(30) CHARACTER SET WIN1251 Nullable
COLLATE CI_COLL
SQL>
SQL> show version;
ISQL Version: WI-T3.0.0.30583 Firebird 3.0 Alpha 1
Server version:
Firebird/Windows/Intel/i386 (access method), version "WI-T3.0.0.30583 Firebird 3
.0 Alpha 1"
Firebird/Windows/Intel/i386 (remote server), version "WI-T3.0.0.30583 Firebird 3
.0 Alpha 1/tcp (CSMIRROR)/P13"
Firebird/Windows/Intel/i386 (remote interface), version "WI-T3.0.0.30583 Firebir
d 3.0 Alpha 1/tcp (CSMIRROR)/P13"
on disk structure version 12.0
---------
PS. The statement like this: create collation ci_coll for win1251 from unicode
case insensitive; - was fault in FB 2.5.x with message: COLLATION UNICODE for
CHARACTER SET WIN1251 is not defined
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