Is there any substitute for ifnull()

Question

I have a query for mysql where ifnull() is used.i want to convert it into ejb-ql. Problem here is that i dont find any substitute equivalent to ifnull() in ejb.

For eg:

ifnull(columnname,' ') as newcoulmn

Answer 1

You may try

  coalesce(columnname, ' ') as newcolumn

since coalesce is widely supported function when ifnull is MySql specific one