You will have to do this programatically and it is a classic n+1 problem.
I would suggest that you write a 3rd stored proc or query that returns the
people + there address. Once that is done you can use the group by feature
of ibatis to fill the nested properties.
On Tue, Apr 7, 2009 at 4:10 PM,
Hi guys,
This is a two part question.
1) Is there a significant performance pickup if you use commitRequired="false".
As you know this attribute is set to false by default. I couldn't find any
information on the benefit of keeping that field false.
2) I would like to run an sql update query u
Hi,
I had to do something similar to this a few years ago. However, I chose to
model that parent-child hierarchy (tree) in code rather than trying to solve
via SQL and iBatis. In fact, this may be preferable from a performance
standpoint if the number of entities you're trying to model are large
Lets say Person is a bean
public class Person implements Serializable {
String firstName;
String lastName;
ArrayList addresses;
... getters and setters ...
}
Address is another bean
public class Address implements Serializable {
String city;
String state;
... getters and sette
Hi there,
I'm trying to use IBatis to model a parent-child relationship where i have
some object that has a parent, and that parent has its own parent, and so
on. Is this supported? I am having trouble making it work and I suspect
that I may not be doing it right because my results are always n
I took this one step further
ArrayList list = new ArrayList();
list.add(1);
list.add(1);
list.add(2);
list.add(3);
HashSet set = new HashSet();
set.addAll(list);
System.out.println(list.size());
System.out.println(set.size());
output:
4
3
So java will remove all duplicates that it finds.
On
It works
Thank you so much!!!
Giuseppe
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Wrote this too and it worked:
ArrayList list = new ArrayList();
list.add("a");
list.add("b");
list.add("c");
list.add("d");
list.add("e");
list.add("f");
HashSet set = new HashSet(list);
System.out.println(set.size());
Bra
I took a few seconds and wrote this
ArrayList list = new ArrayList();
list.add("a");
list.add("b");
list.add("c");
list.add("d");
list.add("e");
list.add("f");
HashSet set = new HashSet();
set.addAll(list);
Syste
Hello,
> I need to update an array of integers in Postgres with Ibatis 2.3.4 (and
> Spring). I want to execute the following query:
> UPDATE data SET='{1,2}' WHERE dataid=10
I prefer the use of java.sql.Array and a custom TypeHandler.
> The query is
>
>
> UPDATE data
>
>
> This is a fundamental java issue. You will never be able to cast a list
> to a set because a list allows duplicates whereas a set dose not.
The duplicates are not the reason. ArrayList is not a subtype of Set.
And how does the query
select * from Products
produce duplicates?
Lists accept dup
Hi to everybody. I'm new to this forum.
I need to update an array of integers in Postgres with Ibatis 2.3.4 (and
Spring). I want to execute the following query:
UPDATE data SET='{1,2}' WHERE dataid=10
The query is
UPDATE data
#arrayD
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