vertica - SQL add comma sepeared values of a column -


i have table 

  column 1 | column 2   --------------------   1,2,3,   |    abc   2,3,4,   |    xyz   1,       |    cc   1,2,     |    aa

i want query sums these comma separated values in vertica

  column 1|column 2   --------|---------   6       |  abc   9       |  xyz   1       |  cc   3       |  aa

solution sql server

select col2, sum(cast(value int)) tab cross apply string_split(col1, ',') group col2;

sql server demo


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