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drop function contact.mark_contact_us_post (
p_contact_us_post_id int,
p_user_id int,
p_read_p bool
);
create or replace function contact.mark_contact_us_post (
p_contact_us_post_id int,
p_user_id int,
p_read_p bool
)
returns void
as $$
declare
l_id bigint;
begin
if(p_read_p) then
select id into l_id
from contact.contact_us_posts_read
where contact_us_post_id = p_contact_us_post_id
and user_id = p_user_id;
if(l_id is null) then
insert into contact.contact_us_posts_read (
contact_us_post_id,
user_id
) values (
p_contact_us_post_id,
p_user_id
);
end if;
else
delete from contact.contact_us_posts_read
where contact_us_post_id = p_contact_us_post_id
and user_id = p_user_id;
end if;
end;
$$ language plpgsql;
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