I have a ts_vector column in question table called *weighted_tsv*.
I am trying to search using ts_query as follows
WHERE weighted_tsv @@ to_tsquery('Hur ofta');
*But the query results in an error as follows:*
ERROR: function ts_query(unknown) does not exist
LINE 1: ...* from question where weighted_tsv @@ ts_query('...
HINT: No function matches the given name and argument types. You might
need to add explicit type casts.
What is the reason I am getting this error I am not able to figure it out.
It would be of great help if anyone point me into right direction.