Union edge field array

[jaya raj]

 Hi,
   

     query : select distinct(out_store_has_coupon[coupon_status = 1].out_coupon_has_tags.in.tagname) from #48:131

     output :
   

#-2:1

0

[["shave","facial","oil massage","beauty & spa","haircut"],["shave","facial","beauty & spa","hair cut","hair dye"],["shave","bleach","beauty & spa","hair cut"],["shave","oil massage","beauty & spa","hair dye","haircut"],["shave","fitness","facial","oil message","hair cut","hair dye"],["shave","pedicur","shanaz gold facial","beauty & spa","hair wash","hair cut","oxy bleach"],["shave","facial","beauty & spa","hair dye"],["shave","bleach","facial","beauty & spa"]]

 i need output without duplicates ("shave")  in an single array