Accent-insensitive comparison of cyrillic 'И' (U+0418) and 'Й' (U+0419) should
be the same as 'Е' (U+0415) and 'Ё' (U+0401)
---------------------------------------------------------------------------------------------------------------------------
Key: CORE-4803
URL: http://tracker.firebirdsql.org/browse/CORE-4803
Project: Firebird Core
Issue Type: Bug
Components: Charsets/Collation
Affects Versions: 3.0 Beta 2
Reporter: Pavel Zotov
SQL> select _utf8 'и' collate unicode_ci_ai = _utf8 'й' collate unicode_ci_ai
as "equal?" from rdb$database
CON> union all
CON> select _utf8 'е' collate unicode_ci_ai = _utf8 'ё' collate unicode_ci_ai
from rdb$database;
equal?
=======
<false>
<true>
SQL> select _utf8 'и' collate unicode_ci_ai = _utf8 'Й' collate unicode_ci_ai
as "equal?" from rdb$database
CON> union all
CON> select _utf8 'Е' collate unicode_ci_ai = _utf8 'ё' collate unicode_ci_ai
as "equal?" from rdb$database
CON> ;
equal?
=======
<false>
<true>
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