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Questions tagged [linq-to-nhibernate]

A provider for NHibernate library for .NET Framework which allows to use LINQ queries. Available since version 3.0.

linq-to-nhibernate
0 votes
0 answers
46 views

How to modify treeBuilder.Dot to generate LEFT JOIN instead of INNER JOIN in custom function generator for NHibernate?

Im trying to extend LINQ to NHibernate provider for my custom function. The problem that I found is that, whenever I try to access a FK from my entity, it generates a "INNER JOIN" statement, ...
Pretors's user avatar
0 votes
1 answer
42 views

Can I use NHibernate.Cfg.Configuration in Fluent-NHibernate when building a session factory?

I want to use the NHibernate configuration for FluentNhibernate when building a session. This how I am constructing my factory session: lock (_factorylock) { if (_factory ==...
user avatar
0 votes
1 answer
127 views

NHibernate: Fetch an association which exists only in a subclass of the Query<>'d type

I've got a table-per-subclass setup using NHibernate & I'm trying to construct a LINQ query which pre-fetches certain properties that can exist in the derived classes, but I just can't work out ...
Lovethenakedgun's user avatar
0 votes
1 answer
108 views

force to use join in nhibernate syntax instead of iteration

i am trying to figure out why nhibernate query iterates on values instead of using joins internally. due to this iteration it becomes slower, cause it will iterates all values one by one. i.e. it ...
Dgan's user avatar
  • 10.2k
0 votes
1 answer
91 views

How to update Entity that have one-to-one relation?

I have entities as follows: public class Device { public long Guid { get; set; } public List<Computer> Computers { get; set; } public string ShopName { get; set; } } public class ...
Samuel's user avatar
  • 3
1 vote
1 answer
385 views

The ExceptResultOperator result operator is not current supported

I want to exclude one resultset from another and I am using Except for that but it is giving error that "The ExceptResultOperator result operator is not current supported". I can not use all ...
user3352449's user avatar
2 votes
1 answer
221 views

could not resolve property: CS$<>8__locals2 of: BusinessObjectMain; Nhibernate QueryOver Linq, lambda expression inside a for loop

We use Vs2019 with an older version of Nhibernate 3.2. We recently upgraded to VS2019. This code worked correctly in VS2010. We are getting this error with Nibernate QueryOver, lambda expressions ...
user575219's user avatar
  • 2,444
0 votes
1 answer
167 views

How do I get NHibernate to generate SQL for a computed property?

I've Googled around and come up with sample code, but it's giving me trouble. Here's what I've got, based on what I found: In the persistent class I have public static readonly Expression<Func<...
Michael's user avatar
  • 1,401
0 votes
2 answers
305 views

Custom Query Extension, which works with NHibernate

I am trying to write a custom Linq extension, which can also be performed within the DB. Basically, what I want to do is collectionOfStrings.Where(x => !x.IsNullOrWhiteSpace) Unfortunately it's not ...
Paul's user avatar
  • 2,076
-1 votes
1 answer
312 views

How to join two tables queries and select matching the records in Nhibernet linq?

I am trying to develop one single query which gives me records from both the table in one result using linq-Nhibernet query. I have two tables first one :account (accountId , accountDescription) and ...
Coder007's user avatar
1 vote
2 answers
527 views

How do I use LINQ with GROUP BY and multiple MAX(...) to select multiple fields? [closed]

I need to select fields from unique records within a table with multiple where clauses. I currently am using C# and LINQ fluent syntax connected with NHibernate. So I am wondering if there is a way ...
James Ehly's user avatar
  • 1,260
-1 votes
1 answer
59 views

Is there a best way to delete very data in database like 160k of data with Nhibernate

I have like 120k of data in a table using mssql and i have to delete all to save again, but it´s turn very slow. I´ve an Entity called InventarioEstoque and have two childrens ...
Fernando josé's user avatar
1 vote
1 answer
346 views

Generic Filter and Sort Using NHibernate

Is there a way to implement Generic filter for NHibernate on a repository layer? As per Microsoft API Guidelines, the sort and filters are passed as string API Guidelines. what will be the approach to ...
ECie's user avatar
  • 1,417
0 votes
3 answers
1k views

How to validate Date Start and Finish Overlap from a list of items

What I have A list of objects with Id, DateStart and DateFinish. [ { Id: 1234567890, DateStart: new DateTime(), DateFinish: new DateTime(), }, ... ] What I need to ...
Vencovsky's user avatar
  • 30.7k
0 votes
1 answer
157 views

HBM mapping both field and property

I have the following class: public class Foo { //... protected int? someData; public int? SomeData { get {return someData;} set {someData = value;} } //... } ...
Jakub Szułakiewicz's user avatar

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