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Hello Everyone!
I'm trying to aggregate all the field values of a particular group in one field.
For example, My input table looks like :-

FIELD1 GROUP1

A 1

A 2

B 1

B 2

C 1

C 3

3 null

 

and my output should look like :-

1 A,B,C

 

I want to aggregate as "comma-separated values" within a "group by", like MYSQL group_concat: