On 1-11-2018 10:16, Rustam rustam-m@... [firebird-support] wrote:

> I'am encounter a bug with LIKE operator, when DB charset is UNICODE and
> connection chaset is national, e.g. WIN1251.
> There is an error when LIKE argument has national characters and has no
> mask symbols '%', '_'.
>
> Discussion - here:
> https://groups.yahoo.com/neo/groups/firebird-support/conversations/topics/131512

That sounds like a bug to me. Did you report it in the tracker?

Mark

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Mark Rotteveel