During ADASS and the IVOA Interoperability Meeting of Oct. 2019, it has been decided to not tackle bitwise operators and hexadecimal values in ADQL-2.1. The current description of these features introduce too many differences or issues in implementations (especially with MySQL).
During ADASS and the IVOA Interoperability Meeting of Oct. 2019, it has been decided to not tackle bitwise operators and hexadecimal values in ADQL-2.1. The current description of these features introduce too many differences or issues in implementations (especially with MySQL).
_For more details, see from slides 26 of the talk "Feedback on the implementation of ADQL-2.1"._
These features are not yet mature. More thoughts are required. They may be introduced again in a next version of ADQL.