> What is the UDR source code? Is it compiled as "release" (optimized) code?
I used the sum_args from examples. Yes, optimized (using VS2019). -- Mgr. Jiří Činčura https://www.tabsoverspaces.com/ Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel