Prepared statement returns no result with like-query

Question

I'm trying to make a search with PreparedStatement, but the query returns no result:

 final Session session = em.unwrap(Session.class);

 final String sql = "SELECT u.name FROM Users AS u WHERE u.name LIKE ?";

 session.doWork(new Work() {
            @Override
            public void execute(Connection connection) throws SQLException {
                try (PreparedStatement stmt = connection.prepareStatement(sql))    
 {
      stmt.setString(1, "%" + nameTerm + "%");
      stmt.executeQuery();
            } 
 }
 });

There are records in the DB, it should return a result. I test my query in iSeries Navigator and it works. But if I executed it through PreparedStatement it returns no result. I'm using DB2 database.

EDIT

I forgot to mention that this problem happens only if the search term contains apostrophe.

Answer 1

pstmt.executeUpdate() executes prepared statement but I don't find it in your code.
you have to call executeUpdate() api to execute your prepared statement.

Try

 try (PreparedStatement stmt = connection.prepareStatement(sql)){
      stmt.setString(1, "%" + nameTerm + "%");
      stmt.executeUpdate();
  } 

Answer 2

You are only setting the PreparedStatement , you are not actually calling the executeUpdate() method, which makes the call out to the database. Check out this PreparedStatement Tutorial