This was the cause of the bug in CalculateArray
  modified:   storage/connect/jsonudf.cpp
  modified:   storage/connect/tabjson.cpp
  modified:   storage/connect/value.cpp

- Avoid some compiler warnings
  modified:   storage/connect/mongo.cpp
  modified:   storage/connect/tabjmg.cpp
  modified:   storage/connect/tabtbl.cpp
  modified:   storage/connect/tabutil.cpp