repeater in repeater

hi
i have a table in database,and each record of the table hase a type.
i want to display the fields of table,and group them by type field.
i have 2repeater.1 for type field,and 1 for all of another fields.
i want to have nested repeater,1 row for type,and the field of that type below
how can i do it?
 
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