composite-key Questions
1
Solved
How to query an entity based on a composite key in Jooq?
E.g.:
UserAttempts org.jooq.impl.DAOImpl.findById(Record2<UInteger, String> id)
id is a composite key. How to use the Record2<UI...
Cherub asked 27/1, 2017 at 6:43
3
Solved
I'm using Toplink essentials (JPA) + GlassFish v3 + NetBean 6.9
I have one table with composite primary key:
table (machine)
----------------
|PK machineId |
|PK workId |
| |
|______________|
I...
Periodical asked 13/1, 2011 at 4:53
2
I'm building off of a previous discussion I had with Jon Skeet.
The gist of my scenario is as follows:
Client application has the ability to create new 'PlaylistItem' objects which need to be pe...
Ruffin asked 8/4, 2013 at 22:59
3
Solved
I am making a database of students in one school.Here is what I have so far:
If you don't like reading jump to the "In short" part
The problem is that I'm not happy with this design. I want the ...
Southwick asked 2/8, 2012 at 8:19
3
I'm using a composite key in my model and generate the ID based on my composite key:
app.Assignment = Backbone.Model.extend({
idAttribute : [ 'personId', 'jobId' ],
parse : function(resp) {
res...
Scream asked 4/3, 2013 at 10:39
2
Solved
I have to work with Hibernate and I am not very sure how to solve this problem, I have 2 tables with a 1..n relationship like this:
-------
TABLE_A
-------
col_b (pk)
col_c (pk)
[other fields]
...
Byronbyrum asked 17/9, 2015 at 8:8
5
Solved
I have an entity with composite key so I use the @Embeddable and @EmbeddedId annotations.
Embeddable class looks like this :
@Embeddable
public class DitaAdminAccountSkillPK implements Serializabl...
Membership asked 24/8, 2012 at 8:55
2
I have just upgraded to the latest EF 4.1 code-first using NuGet and now I am receiving an error regarding my mapping.
I have this class
public class UserApplication
{
[Key, Column(Order = 0)]
...
Worst asked 8/8, 2011 at 8:44
2
ETA: My question is based upon keeping an optimal database. What is the difference in database performance/size between having an all composite primary key for ProjectUserBooleanAttribute, which wo...
Orabelle asked 11/7, 2015 at 19:11
3
Solved
I have a Table with 4 Columns
Each Column will be A,B,C,D
Column A is the Primary key.
Column B has unique name constraint.
Now I want to remove the unique constraint for column B and give a uni...
Underbelly asked 27/6, 2013 at 12:43
2
Solved
I have a table in MySQL database. Unfortunately, there is a composite primary key which is needed for JAAS authentication/authorization in GlassFish Server.
mysql> desc group_table;
+----------...
Trilingual asked 26/4, 2015 at 16:16
2
Solved
I've come across a problem at work where I can't find information on the usual standard or practice for performing CRUD operations in a RESTful web service against a resource whose primary key is a...
Pili asked 23/4, 2013 at 22:18
2
I'm using a CRUD framework called Tynamo, which in turn relies on Apache Tapestry and Hibernate. This all works fine, except for when I try to use it for CRUD on a table with a composite/compound p...
Efrainefram asked 20/1, 2015 at 19:25
1
Solved
I realize there are many similar questions, but none have helped me along on this.
I'm using a CRUD framework called Tynamo, which in turn relies on Apache Tapestry and Hibernate. This all works f...
Anisette asked 20/1, 2015 at 18:58
1
I have a Web Api using Odata v3, with some entities a composite key, like this one:
public class AerodromoAdministracaoData
{
[Key]
[Column("idAerodromo", Order = 0)]
[DatabaseGenerated(Databas...
Nacelle asked 11/11, 2014 at 18:17
2
I have a model called "EventCheckin" which has a ManyToOne mapping to an "Event" and a "User". The PrimaryKey of the "EventCheckin" table is the id of the user and the id of the event. I'm trying t...
Clarissa asked 26/3, 2012 at 18:3
2
Solved
I am following Hibernate Documentation and trying to implement the example given for section 9.4. Components as composite identifiers but facing issues on how to implement it.
Here is what I have ...
Buy asked 4/9, 2014 at 11:35
1
Solved
Trying to save a row in a table that has a composite key (Long & Date) via Spring Data JPA. The Long part of the composite key is @GeneratedValue. But I'm getting the following error when doing...
Gyn asked 6/6, 2014 at 18:51
3
Solved
I can successfully create composite primary key in sql server management studio 2012 by selecting two columns (OrderId, CompanyId) and right click and set as primary key. But i don't know how to cr...
Initiate asked 5/6, 2014 at 12:10
1
Solved
I have a question about how design a resource URI with composite keys.
I have a resource called freight that has 4 keys/ids: partner ID, initial zipcode, final zipcode and weight.
Actually my re...
Gurango asked 17/12, 2013 at 13:51
1
Solved
Long time reader first time poster! I'm playing around with the boost::multi_index container stuff and have a rather in-depth question that hopefully a boost or C++ container expert might know (my ...
Enchiridion asked 1/12, 2013 at 14:18
2
Solved
Goal : I want to have importJobId in ImportJob as foreign key for id of allocation table, such that when we have importJobId then and then only we can have id in allocation as without Job there can...
Mountaineer asked 24/1, 2013 at 20:54
2
Solved
I have a table which contains only 2 fields. The table has a composite PK formed by these two fields.
When using Netbeans for creating entity beans from database, the entity bean is not created au...
Thearchy asked 6/2, 2013 at 12:33
9
Solved
For various reasons that aren't too germane to the question, I've got a table with a composite key made out of two integers and I want to create a single unique key out of those two numbers. My ini...
Donohue asked 16/11, 2009 at 21:43
1
Solved
I am trying to map a composite key for an entity.
public class Customer
{
public int CustomerId { get; set; }
public virtual List<CustomerImage> CustomerImages { get; set; }
}
And its M...
Moratorium asked 16/10, 2013 at 8:41
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