C++ metrics are calculated multiple times for the same type

[barnabasdomozi]

Parsing the https://github.com/apache/xerces-c codebase, we can see that multiple metric values are calculated for the same type.

id	astNodeId	type	value	id	astValue	location_range_start_line	location_range_start_column	location_range_end_line	location_range_end_column	location_file	entityHash	symbolType	astType	visibleInSourceCode
57624	-1447835275113149951	3	5.0	-1447835275113149951	class FlagJanitor{	29	20	65	2	-3870837121720064747	1489319374071080359	3	3	true
59633	6077859165859605263	5	0.6666666666666667	6077859165859605263	class FlagJanitor{	29	20	65	2	-3870837121720064747	-5411956069294332888	3	3	true
59548	-1447835275113149951	5	1.0	-1447835275113149951	class FlagJanitor{	29	20	65	2	-3870837121720064747	1489319374071080359	3	3	true
59641	6077859165859605263	6	0.8	6077859165859605263	class FlagJanitor{	29	20	65	2	-3870837121720064747	-5411956069294332888	3	3	true
59549	-1447835275113149951	6	1.2	-1447835275113149951	class FlagJanitor{	29	20	65	2	-3870837121720064747	1489319374071080359	3	3	true
60828	-1447835275113149951	7	0.0	-1447835275113149951	class FlagJanitor{	29	20	65	2	-3870837121720064747	1489319374071080359	3	3	true
60691	6077859165859605263	7	0.0	6077859165859605263	class FlagJanitor{	29	20	65	2	-3870837121720064747	-5411956069294332888	3	3	true
61796	6077859165859605263	8	0.0	6077859165859605263	class FlagJanitor{	29	20	65	2	-3870837121720064747	-5411956069294332888	3	3	true
61782	-1447835275113149951	8	0.0	-1447835275113149951	class FlagJanitor{	29	20	65	2	-3870837121720064747	1489319374071080359	3	3	true

The above table shows CppAstNodeMetrics table joined with CppAstNode.