How to convert full-text search highlighted fragments into rows in PostgreSQL full-text search?

I am using PostgreSQL 10. I have a "booktbl" table which has 4 book_name paragraph_title content ts_content ts_content column is a tsvector column. When Iexecute this query: select book_name , paragraph_title ts_headline(content,to_tsquery('english','happy'), 'HighlightAll=true MaxFragments=100 FragmentDelimiter=$') from bookstbl where ts_content @@ (to_tsquery('happy')) ; I got a single row as a result which has a "ts_headline" column with all highlighted text search fragments. I want to convert all these fragments to individual rows. Like this: book para_title1 fragment1 book para_title2 fragment2 How can I achieve this in PostgreSQL full text search?