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Re: problems with currval and rollback

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Uh, you really didn't give us enough information to diagnose this.  I
recommend you find the queries that are being run by Java and type them
into psql to see if they work there.  If not, please show them to us.

---------------------------------------------------------------------------

Assad Jarrahian wrote:
> Hi all,
>    So I started to make some changes with my code here and there
> (nothing to do with the relevant lines) and suddenly currval and
> rollback don't work.
> 
> 	      try{
> 			db.setAutoCommit(false);
> 			addLM.setInt(1, lm.getOrigin());
>                            .......
>                      addLM.executeUpdate();
>                      sql = db.createStatement();
>                       ResultSet result = sql.executeQuery("SELECT
> currval('lm_id_seq');");
> 			if (result. next()){
> 				db.commit();
> 				db.setAutoCommit(true);
>                          else{
> 				db.rollback(); //reverse all changes
> 				db.setAutoCommit(true);
>                        }
> 		catch(SQLException ex){
> 			try {
> 				db.rollback();
> 				db.setAutoCommit(true);
> 			} catch (SQLException e) {
> 				throw e;
>                        }
> 			throw ex;
> 	   }
> 
> What happens is that the it inserts a db, but cannot get a value back
> using currval  (ERROR: ERROR: currval of sequence "lm_id_seq" is not
> yet defined in this session 55000  ) , yet the db gets the addlm
> inserted.
> 
> 
> Shouldn't it rollback?
> Furthermore, why would currval suddenly stop working?
> 
> Much thanks for your feedback in advance.
> 
> -assad
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
>        choose an index scan if your joining column's datatypes do not
>        match
> 

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