[TRAFODION-2749] Fix issue with reserved words as column names
[TRAFODION-2749] Fix issue with reserved words as column names

mashengchen/incubator-trafodion,mashengchen/incubator-trafodion,mashengchen/incubator-trafodion,mashengchen/incubator-trafodion,mashengchen/incubator-trafodion,mashengchen/incubator-trafodion,mashengchen/incubator-trafodion,mashengchen/incubator-trafodion,mashengchen/incubator-trafodion,mashengchen/incubator-trafodion