I've raised this bug again, in a hopefully more coherent way, as: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941707 ruby-odbc: [RubyODBC]Cannot allocate SQLHENV (ODBC::Error)
Sorry for the noise.
- Bug#941619: ruby-odbc: ODBC dlopen regression in Debian 10 Amit Brahmbhatt
- Bug#941619: ruby-odbc: ODBC dlopen regression in Debi... Martin Dorey
