creates an rexexecutable that allows to apply thegenerated code during query processing filter , projection . concode_field_sep RelDataType rowType concode_elem_sep RelDataTypeFactory typeFactory concode_elem_sep DataContext dataContext concode_field_sep void reduce concode_elem_sep String compile concode_elem_sep String compile concode_elem_sep Expression field
RexExecutable function ( RexBuilder arg0 , List < RexNode > arg1 , RelDataType arg2 ) { final InputGetter loc0 = new DataContextInputGetter ( arg2 , arg0 . getTypeFactory ( ) ) ; final String loc1 = compile ( arg0 , arg1 , loc0 , arg2 ) ; return new RexExecutable ( loc1 , "srini_string" ) ; }