This week's book giveaway is in the Open Source Projects forum.
We're giving away four copies of Spark in Action and have Jean-Georges Perrin on-line!
See this thread for details.
Win a copy of Spark in Action this week in the Open Source Projects forum!
  • Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other all forums
this forum made possible by our volunteer staff, including ...
  • Campbell Ritchie
  • Bear Bibeault
  • Ron McLeod
  • Jeanne Boyarsky
  • Paul Clapham
  • Tim Cooke
  • Liutauras Vilda
  • Junilu Lacar
Saloon Keepers:
  • Tim Moores
  • Stephan van Hulst
  • Tim Holloway
  • fred rosenberger
  • salvin francis
  • Piet Souris
  • Frits Walraven
  • Carey Brown

newbie:select method problem

Posts: 1
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
hi,i'm a newbie of ejb
now i wanna select out multi fields just like
the traditional select query:
select field1,field4,field7 from table where.............
i looked it up by google
but i found all the samples r like
SELECT t.fieldX FROM table t (one field)
SELECT t FROM table t (all fields)
so,in ejb,how can i select out some of the fields by ejb select method?
thank in advance
Posts: 10
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
You can not do this using EJB QL since every select query corresponds to a ejbSelect<METHOD>() you define in the entity bean and the return parameter of the ejbSelect<METHOD>() corresponds to the SELECT <FIELD> of the corresponding EJB QL statement.
The best you can do is select all the fields.
    Bookmark Topic Watch Topic
  • New Topic