sql - Remove duplicate date in postgres -


my need unique value after concatenating 2 string values. below query. strings concatenated duplicated values coming. doing wrong?

select ievent.event_type_id evt_type_id,        ievent.event_value evt_value,        ievent.event_date evt_dt,        ievent.company,        ievent.entity_key,        row_number() on (order ievent.event_date desc) row_num (   select we.executive_id,          we.event_type_id,          sum(we.event_value) event_value,          array_to_string(array_agg(distinct (coalesce(mc.aka_co_name,mc.company_name))),',') company,          we.event_date,          null entity_key   wealth_event we,        master_company mc   mc.company_id = we.company_id     , mc.is_active = 'y'     , (we.event_value > 1 , we.event_value < 5000000000 , we.event_value not null , we.event_type_id in (1, 3, 4, 5))     , we.event_date <= trunc(current_date)     , we.event_date > trunc(current_date) - 180   group we.event_date,            we.executive_id,            we.event_type_id   union   select we.executive_id,          we.event_type_id,          sum(we.event_value) event_value,          array_to_string(array_agg(distinct mc.aka_co_name),',') company,          we.event_date,          we.entity_key   wealth_event we,        master_company mc   mc.company_id = we.company_id     , mc.is_active = 'y'     , (we.event_type_id in (6, 7, 8, 9, 10, 14, 16, 19, 20, 21, 24, 23))     , we.event_date <= trunc(current_date)     , we.event_date > trunc(current_date) - 180   group we.event_date,            we.executive_id,            we.event_type_id,            we.entity_key ) ievent,      executive exec ievent.executive_id = exec.executive_id   , exec.is_active = 'y'   , exec.executive_id = 73685 order row_num 

main problem of query using aggregate functions (sum , array_agg) @ subquery without group .

maybe need :

select event_type_id , sum(we.event_value) event_value,   evt_dt, null entity_key,        array_to_string( distinct ( array_agg ( coalesce(mc.aka_co_name, mc.company_name)) ), ',' ) company wealth_event we, master_company mc        mc.company_id = we.company_id        , mc.is_active='y' group event_type_id ,  evt_dt 

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