Complete work for TMUDF compile time interface for Trafodion

Suresh and others implemented much of a compile time interface for TMUDFs (Table-Mapping UDFs). Such an interface allows a TMUDF to be polymorphic (input and output columns decided at compile time, not at create time) and to do optimizations like elimination of unneeded columns, pushing predicates below or into the ...

Support for multi-temperature data - part 1 for Trafodion

Databases that maintain current and historical data often suffer from the problem of decreasing performance as the amount of historical data grows. Most database systems have features that avoid this performance and scalability problem, typically by ensuring that the recent (or “hot”) data is stored separately from ...