i have object newsitem in postgres database field body text data type , 
i want perform query using jparepository.
select * news.news_item newsitem lower(convert_from(loread(lo_open(newsitem.body::int, x'40000'::int), x'40000'::int), 'utf8')) lower(('%'||'query'||'%')); ^this query in pgadmin returns correct result. how can convert query work in spring jparepository?