> The BLOB_APPEND is not CONCATENATION, it is non-standard function > with custom semantics.
Yes, it's non-standard function. But even non-standard function can behave in similar way other functions behave in SQL world. It's not the first non-standard function we have. -- Mgr. Jiří Činčura https://www.tabsoverspaces.com/ Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
