On Tue, Jun 14, 2016 at 9:33 AM, Alexander Farber < alexander.far...@gmail.com> wrote:
> Dear PostgreSQL users, > > I have a stored procedure defined as: > > CREATE OR REPLACE FUNCTION words_merge_users( > IN in_users jsonb, > IN in_ip inet, > OUT out_uid integer) > RETURNS integer AS > $func$ > ............... > $func$ LANGUAGE plpgsql; > > Which I can successfully call at psql 9.5.3 prompt: > > # SELECT out_uid FROM > words_merge_users('[{"sid":"abcde","auth":"xxxx","social":2,"given":"Abcde2","female":0,"stamp":1450102880}]'::jsonb, > '0.0.0.0'::inet); > > out_uid > --------- > 1 > (1 row) > > However an SQLException is thrown, when trying to call the same function > via JDBC driver 9.4.1208.jre7: > > ERROR: function words_merge_users(character varying, character varying) > does not exist > Hint: No function matches the given name and argument types. You might > need to add explicit type casts. > > Being a JDBC newbie I wonder, how to perform the call properly in Java? > > PreparedStatement st = mDatabase.prepareStatement("SELECT out_uid > FROM words_merge_users(?, ?)"); > > String str1 = JSON.toString(users); > String str2 = > mSession.getRemoteAddress().getAddress().getHostAddress(); > > st.setString(1, str1); // > {"social":1,"auth":"xxxx","action":"login","users":[{"given":"alex","social":1,"auth":"xxxx","sid":"12345"}],"sid":"12345"} > st.setString(2, str2); // "127.0.0.1" > > ResultSet rs = st.executeQuery(); > while (rs.next()) { > System.out.println(rs.getString(1)); > } > > rs.close(); > st.close(); > > Just add casts like you did for the psql version. SELECT out_uid FROM words_merge_users(?::jsonb, ?::inet); David J.