Loading child entities with parent object graph using Entity framework
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I am trying to model something similar to a graph representation of a object where it's children are dependencies on which the parent depends.
Example here is the table structure.
Initative
Id | Name
1 | Init1
2 | Init2
3 | Init3
4 | Init4
InitiativeChildren
Id |InitiativeId InitiativeChildrenId
1 | 1 | 2
2 | 1 | 3
3 | 2 | 4
Categories
Id | InitiativeId | Name
1 | 1 | Init1Category1
2 | 1 | Init1Category2
3 | 1 | Init1Category3
4 | 2 | Init2Category1
5 | 2 | Init2Category2
6 | 2 | Init2Category3
7 | 3 | Init3Category1
8 | 3 | Init3Category2
Initiative Id = 1 depends on Initiative Id = 2, 3 where InitiativeId = 2 further depends on Initiative Id = 4
I want to write a query to pull a object like this for Initiative Id = 1
Initiative
{
Id : 1
Children = [ Initiative {
Id = 2,
Children = [ Initiative
{
Id = 4,
Children =
}]
},
Initiative {
Id = 3,
Children =
}]
}
i.e. I want the child initiative to be Initiative Objects which will again have child initiatives and so on.
I want the structure to be like this so that I can use depth first search to resolve the children objects before acting on that object.
The database structure I designed is
And the Entity framework query I have written is
var result = context.Initiatives
.Include(m => m.InitiativeChildrens)
.Include(m => m.Categories)
.Where(m => m.Id == 1)
.ToList();
What I get currently is that the the ChildrenInitiative has two children as it should but the Initiative to that child initiative is again the same Initiative with Id = 1 as opposed to a Initiative Object with ChildInitiative.ChildInitiativeId
Lets assume that this representation doesn't lead to modelling a cyclic graph for now
c# entity-framework database-design entity-framework-6 parent-child
asked Nov 22 '18 at 10:56
thebenmanthebenman
1,099922
add a comment |
I am trying to model something similar to a graph representation of a object where it's children are dependencies on which the parent depends.
Example here is the table structure.
Initative
Id | Name
1 | Init1
2 | Init2
3 | Init3
4 | Init4
InitiativeChildren
Id |InitiativeId InitiativeChildrenId
1 | 1 | 2
2 | 1 | 3
3 | 2 | 4
Categories
Id | InitiativeId | Name
1 | 1 | Init1Category1
2 | 1 | Init1Category2
3 | 1 | Init1Category3
4 | 2 | Init2Category1
5 | 2 | Init2Category2
6 | 2 | Init2Category3
7 | 3 | Init3Category1
8 | 3 | Init3Category2
Initiative Id = 1 depends on Initiative Id = 2, 3 where InitiativeId = 2 further depends on Initiative Id = 4
I want to write a query to pull a object like this for Initiative Id = 1
Initiative
{
Id : 1
Children = [ Initiative {
Id = 2,
Children = [ Initiative
{
Id = 4,
Children =
}]
},
Initiative {
Id = 3,
Children =
}]
}
i.e. I want the child initiative to be Initiative Objects which will again have child initiatives and so on.
I want the structure to be like this so that I can use depth first search to resolve the children objects before acting on that object.
The database structure I designed is
And the Entity framework query I have written is
var result = context.Initiatives
.Include(m => m.InitiativeChildrens)
.Include(m => m.Categories)
.Where(m => m.Id == 1)
.ToList();
What I get currently is that the the ChildrenInitiative has two children as it should but the Initiative to that child initiative is again the same Initiative with Id = 1 as opposed to a Initiative Object with ChildInitiative.ChildInitiativeId
Lets assume that this representation doesn't lead to modelling a cyclic graph for now
c# entity-framework database-design entity-framework-6 parent-child
asked Nov 22 '18 at 10:56
thebenmanthebenman
1,099922
add a comment |
I am trying to model something similar to a graph representation of a object where it's children are dependencies on which the parent depends.
Example here is the table structure.
Initative
Id | Name
1 | Init1
2 | Init2
3 | Init3
4 | Init4
InitiativeChildren
Id |InitiativeId InitiativeChildrenId
1 | 1 | 2
2 | 1 | 3
3 | 2 | 4
Categories
Id | InitiativeId | Name
1 | 1 | Init1Category1
2 | 1 | Init1Category2
3 | 1 | Init1Category3
4 | 2 | Init2Category1
5 | 2 | Init2Category2
6 | 2 | Init2Category3
7 | 3 | Init3Category1
8 | 3 | Init3Category2
Initiative Id = 1 depends on Initiative Id = 2, 3 where InitiativeId = 2 further depends on Initiative Id = 4
I want to write a query to pull a object like this for Initiative Id = 1
Initiative
{
Id : 1
Children = [ Initiative {
Id = 2,
Children = [ Initiative
{
Id = 4,
Children =
}]
},
Initiative {
Id = 3,
Children =
}]
}
i.e. I want the child initiative to be Initiative Objects which will again have child initiatives and so on.
I want the structure to be like this so that I can use depth first search to resolve the children objects before acting on that object.
The database structure I designed is
And the Entity framework query I have written is
var result = context.Initiatives
.Include(m => m.InitiativeChildrens)
.Include(m => m.Categories)
.Where(m => m.Id == 1)
.ToList();
What I get currently is that the the ChildrenInitiative has two children as it should but the Initiative to that child initiative is again the same Initiative with Id = 1 as opposed to a Initiative Object with ChildInitiative.ChildInitiativeId
Lets assume that this representation doesn't lead to modelling a cyclic graph for now
c# entity-framework database-design entity-framework-6 parent-child
asked Nov 22 '18 at 10:56
thebenmanthebenman
1,099922
I am trying to model something similar to a graph representation of a object where it's children are dependencies on which the parent depends.
Example here is the table structure.
Initative
Id | Name
1 | Init1
2 | Init2
3 | Init3
4 | Init4
InitiativeChildren
Id |InitiativeId InitiativeChildrenId
1 | 1 | 2
2 | 1 | 3
3 | 2 | 4
Categories
Id | InitiativeId | Name
1 | 1 | Init1Category1
2 | 1 | Init1Category2
3 | 1 | Init1Category3
4 | 2 | Init2Category1
5 | 2 | Init2Category2
6 | 2 | Init2Category3
7 | 3 | Init3Category1
8 | 3 | Init3Category2
Initiative Id = 1 depends on Initiative Id = 2, 3 where InitiativeId = 2 further depends on Initiative Id = 4
I want to write a query to pull a object like this for Initiative Id = 1
Initiative
{
Id : 1
Children = [ Initiative {
Id = 2,
Children = [ Initiative
{
Id = 4,
Children =
}]
},
Initiative {
Id = 3,
Children =
}]
}
i.e. I want the child initiative to be Initiative Objects which will again have child initiatives and so on.
I want the structure to be like this so that I can use depth first search to resolve the children objects before acting on that object.
The database structure I designed is
And the Entity framework query I have written is
var result = context.Initiatives
.Include(m => m.InitiativeChildrens)
.Include(m => m.Categories)
.Where(m => m.Id == 1)
.ToList();
What I get currently is that the the ChildrenInitiative has two children as it should but the Initiative to that child initiative is again the same Initiative with Id = 1 as opposed to a Initiative Object with ChildInitiative.ChildInitiativeId
Lets assume that this representation doesn't lead to modelling a cyclic graph for now
c# entity-framework database-design entity-framework-6 parent-child
c# entity-framework database-design entity-framework-6 parent-child
asked Nov 22 '18 at 10:56
thebenmanthebenman
1,099922
asked Nov 22 '18 at 10:56
thebenmanthebenman
1,099922
edited Nov 22 '18 at 15:34
thebenman
asked Nov 22 '18 at 10:56
thebenmanthebenman
1,099922
asked Nov 22 '18 at 10:56
thebenmanthebenman
1,099922
asked Nov 22 '18 at 10:56
thebenmanthebenman
1,099922
1,099922
add a comment |
add a comment |
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