TOTAL rows	4
OLD DEDUPLICATE
0	0	0	1
1	1	2	1
1	1	3	1
DEDUPLICATE BY *
0	0	0	1
1	1	2	1
1	1	3	1
DEDUPLICATE BY * EXCEPT mat
0	0	0	1
1	1	2	1
1	1	3	1
DEDUPLICATE BY pk,sk,val,mat,partition_key
0	0	0	1
1	1	2	1
1	1	3	1
Can not remove full duplicates
OLD DEDUPLICATE
4
DEDUPLICATE BY pk,sk,val,mat
4
Remove partial duplicates
DEDUPLICATE BY *
3
DEDUPLICATE BY * EXCEPT mat
0	0	0	1
1	1	2	1
1	1	3	1
DEDUPLICATE BY COLUMNS("*") EXCEPT mat
0	0	0	1
1	1	2	1
1	1	3	1
DEDUPLICATE BY pk,sk
0	0	0	1
1	1	2	1
DEDUPLICATE BY COLUMNS(".*k")
0	0	0	1
1	1	2	1