Databases
StackOverflow2013
Postsdbo
PO
 

Note that there are some explanatory texts on larger screens.

plurals
  1. PO
    primarykey
    data
    text
    <p>Always perform your INSERT/UPDATE inside a transaction. Here's a working example using SQLite:</p> <pre><code>using System; using System.Data; using System.IO; using FluentNHibernate.Cfg; using FluentNHibernate.Cfg.Db; using FluentNHibernate.Mapping; using NHibernate; class Program { static void Main(string[] args) { if (File.Exists("data.db3")) { File.Delete("data.db3"); } using (var factory = CreateSessionFactory()) { // Create schema and insert sample data using (var connection = factory.ConnectionProvider.GetConnection()) { ExecuteQuery("create table users(usr_id integer primary key, other_id int, usr_name string)", connection); } using (var session = factory.OpenSession()) using (var tx = session.BeginTransaction()) { User u1 = new User() { Name = "User1" }; User u2 = new User() { Name = "User2" }; u1.Other = u2; u2.Other = u1; session.Save(u1); tx.Commit(); } // Verify database state after inserts with ADO.NET using (var connection = factory.ConnectionProvider.GetConnection()) using (var command = connection.CreateCommand()) { command.CommandText = "select usr_id, other_id, usr_name from users"; using (var reader = command.ExecuteReader()) { while (reader.Read()) { Console.WriteLine("usr_id: {0}, other_id: {1}, usr_name: {2}", reader.GetInt32(0), reader.GetInt32(1), reader.GetString(2)); } } } } } private static ISessionFactory CreateSessionFactory() { return Fluently.Configure() .Database( SQLiteConfiguration.Standard.UsingFile("data.db3").ShowSql() ) .Mappings( m =&gt; m.FluentMappings.AddFromAssemblyOf&lt;Program&gt;() ).BuildSessionFactory(); } static void ExecuteQuery(string sql, IDbConnection connection) { using (var command = connection.CreateCommand()) { command.CommandText = sql; command.ExecuteNonQuery(); } } } public class User { public virtual int Id { get; set; } public virtual string Name { get; set; } public virtual User Other { get; set; } } public class UserMap : ClassMap&lt;User&gt; { public UserMap() { WithTable("users"); Id(x =&gt; x.Id, "usr_id"); Map(x =&gt; x.Name, "usr_name"); References(x =&gt; x.Other) .ColumnName("other_id") .Cascade.All(); } } </code></pre>
    singulars
    1. This table or related slice is empty.
    1. POhow can I make nhibernate cascade save a set of objects with circular references?
      singulars
      1. PTQuestion
    1. PTAnswer
    1. This table or related slice is empty.
    1. USDarin Dimitrov
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. POhow can I make nhibernate cascade save a set of objects with circular references?
      singulars
      1. PTQuestion
    1. This table or related slice is empty.
    1. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTAcceptedByOriginator
    2. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTUpMod
    3. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTUpMod
    1. COThanks darin. This is what I get for making stupid assumptions about sessions.
      singulars
      1. PO
      1. USfostandy
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload