newbie:select method problem
Dio Joestar
Greenhorn
Posts: 1
posted 14 years ago
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)
or
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
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)
or
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
John Chandra
Greenhorn
Posts: 10
posted 14 years ago
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.
Cheers.
The best you can do is select all the fields.
Cheers.
