私はSQLite as a databaseを使用していると私はそれを作成したとき、私は、作品次の表を、持っている:テーブルの作成テーブル内のネストされたクラスとリストを操作するには?
今database.CreateTableAsync<TodoItem>().Wait();
で
public class TodoItem
{
[PrimaryKey, AutoIncrement]
public int ID { get; set; }
public string Name { get; set; }
public string Notes { get; set; }
public bool Done { get; set; }
public Gender Gender { get; set; }
public DateTime? DateOfBirth { get; set; }
}
を私はしたい場合、私は、若干の誤差が出ますネストされたオブジェクト含める:
public class Test
{
[PrimaryKey, AutoIncrement]
public int AnotherID { get; set; }
public string Name { get; set; }
}
public class TodoItem
{
[PrimaryKey, AutoIncrement]
public int ID { get; set; }
public string Name { get; set; }
public string Notes { get; set; }
public bool Done { get; set; }
public Gender Gender { get; set; }
public DateTime? DateOfBirth { get; set; }
public Test Test { get; set; }
}
を私は
次のエラーを取得しますUNHANDLED EXCEPTION:
System.AggregateException: One or more errors occurred. ---> System.NotSupportedException: Don't know about Todo.Test
at SQLite.Orm.SqlType (SQLite.TableMapping+Column p, System.Boolean storeDateTimeAsTicks) [0x001ad] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:2080
at SQLite.Orm.SqlDecl (SQLite.TableMapping+Column p, System.Boolean storeDateTimeAsTicks) [0x00000] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:2027
at SQLite.SQLiteConnection.<CreateTable>m__0 (SQLite.TableMapping+Column p) [0x00000] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:417
at System.Linq.Enumerable+SelectArrayIterator`2[TSource,TResult].ToArray() [0x00012] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/external/corefx/src/System.Linq/src/System/Linq/Select.cs:251
at System.Linq.Enumerable.ToArray[TSource] (System.Collections.Generic.IEnumerable`1[T] source) [0x00015] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/external/corefx/src/System.Linq/src/System/Linq/ToCollection.cs:19
at SQLite.SQLiteConnection.CreateTable (System.Type ty, SQLite.CreateFlags createFlags) [0x00133] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:418
at SQLite.SQLiteAsyncConnection+<CreateTablesAsync>c__AnonStorey0.<>m__0() [0x0002f] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLiteAsync.cs:108
at System.Threading.Tasks.Task`1[TResult].InnerInvoke() [0x0000f] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Future.cs:680
at System.Threading.Tasks.Task.Execute() [0x00010] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:2502
--- End of inner exception stack trace ---
at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:2157
at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:3189
at System.Threading.Tasks.Task.Wait() [0x00000] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:3054
at Todo.TodoItemDatabase..ctor (System.String dbPath) [0x00015] in C:\Users\some-user\Documents\Visual Studio 2015\Projects\Todo\Todo\Data\TodoItemDatabase.cs:14
at Todo.App.get_Database() [0x0000e] in C:\Users\some-user\Documents\Visual Studio 2015\Projects\Todo\Todo\App.cs:32
at Todo.TodoListPage+<OnAppearing>d__1.MoveNext() [0x0002c] in C:\Users\some-user\Documents\Visual Studio 2015\Projects\Todo\Todo\Views\TodoListPage.xaml.cs:20
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() [0x0000c] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:151
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+<>c.<ThrowAsync>b__6_0 (System.Object state) [0x00000] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1018
at Android.App.SyncContext+<>c__DisplayClass2_0.<Post>b__0() [0x00000] in /Users/builder/data/lanes/4695/448f54fd/source/xamarin-android/src/Mono.Android/Android.App/SyncContext.cs:35
at Java.Lang.Thread+RunnableImplementor.Run() [0x00008] in /Users/builder/data/lanes/4695/448f54fd/source/xamarin-android/src/Mono.Android/Java.Lang/Thread.cs:36
at Java.Lang.IRunnableInvoker.n_Run (System.IntPtr jnienv, System.IntPtr native__this) [0x00008] in /Users/builder/data/lanes/4695/448f54fd/source/xamarin-android/src/Mono.Android/obj/Release/android-23/mcw/Java.Lang.IRunnable.cs:81
at (wrapper dynamic-method) System.Object:4ad81135-c1dd-4bba-bca3-4e991f58da69 (intptr,intptr)
---> (Inner Exception #0) System.NotSupportedException: Don't know about Todo.Test
at SQLite.Orm.SqlType (SQLite.TableMapping+Column p, System.Boolean storeDateTimeAsTicks) [0x001ad] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:2080
at SQLite.Orm.SqlDecl (SQLite.TableMapping+Column p, System.Boolean storeDateTimeAsTicks) [0x00000] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:2027
at SQLite.SQLiteConnection.<CreateTable>m__0 (SQLite.TableMapping+Column p) [0x00000] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:417
at System.Linq.Enumerable+SelectArrayIterator`2[TSource,TResult].ToArray() [0x00012] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/external/corefx/src/System.Linq/src/System/Linq/Select.cs:251
at System.Linq.Enumerable.ToArray[TSource] (System.Collections.Generic.IEnumerable`1[T] source) [0x00015] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/external/corefx/src/System.Linq/src/System/Linq/ToCollection.cs:19
at SQLite.SQLiteConnection.CreateTable (System.Type ty, SQLite.CreateFlags createFlags) [0x00133] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:418
at SQLite.SQLiteAsyncConnection+<CreateTablesAsync>c__AnonStorey0.<>m__0() [0x0002f] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLiteAsync.cs:108
at System.Threading.Tasks.Task`1[TResult].InnerInvoke() [0x0000f] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Future.cs:680
at System.Threading.Tasks.Task.Execute() [0x00010] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:2502 <---
私はList
public class TodoItem
{
[PrimaryKey, AutoIncrement]
public int ID { get; set; }
public string Name { get; set; }
public string Notes { get; set; }
public bool Done { get; set; }
public Gender Gender { get; set; }
public DateTime? DateOfBirth { get; set; }
public List<string> Strings { get; set; }
}
を使用している場合、私はSQLite-net Official Portable Library 1.3.3を使用してい
UNHANDLED EXCEPTION:
System.AggregateException: One or more errors occurred. ---> System.NotSupportedException: Don't know about System.Collections.Generic.List`1[System.String]
at SQLite.Orm.SqlType (SQLite.TableMapping+Column p, System.Boolean storeDateTimeAsTicks) [0x001ad] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:2080
at SQLite.Orm.SqlDecl (SQLite.TableMapping+Column p, System.Boolean storeDateTimeAsTicks) [0x00000] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:2027
at SQLite.SQLiteConnection.<CreateTable>m__0 (SQLite.TableMapping+Column p) [0x00000] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:417
at System.Linq.Enumerable+SelectArrayIterator`2[TSource,TResult].ToArray() [0x00012] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/external/corefx/src/System.Linq/src/System/Linq/Select.cs:251
at System.Linq.Enumerable.ToArray[TSource] (System.Collections.Generic.IEnumerable`1[T] source) [0x00015] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/external/corefx/src/System.Linq/src/System/Linq/ToCollection.cs:19
at SQLite.SQLiteConnection.CreateTable (System.Type ty, SQLite.CreateFlags createFlags) [0x00133] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:418
at SQLite.SQLiteAsyncConnection+<CreateTablesAsync>c__AnonStorey0.<>m__0() [0x0002f] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLiteAsync.cs:108
at System.Threading.Tasks.Task`1[TResult].InnerInvoke() [0x0000f] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Future.cs:680
at System.Threading.Tasks.Task.Execute() [0x00010] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:2502
--- End of inner exception stack trace ---
at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:2157
at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:3189
at System.Threading.Tasks.Task.Wait() [0x00000] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:3054
at Todo.TodoItemDatabase..ctor (System.String dbPath) [0x00015] in C:\Users\some-user\Documents\Visual Studio 2015\Projects\Todo\Todo\Data\TodoItemDatabase.cs:14
at Todo.App.get_Database() [0x0000e] in C:\Users\some-user\Documents\Visual Studio 2015\Projects\Todo\Todo\App.cs:32
at Todo.TodoListPage+<OnAppearing>d__1.MoveNext() [0x0002c] in C:\Users\some-user\Documents\Visual Studio 2015\Projects\Todo\Todo\Views\TodoListPage.xaml.cs:20
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() [0x0000c] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:151
at System.Runtime.CompilerServices.AsyncMethodBuilderCore+<>c.<ThrowAsync>b__6_0 (System.Object state) [0x00000] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1018
at Android.App.SyncContext+<>c__DisplayClass2_0.<Post>b__0() [0x00000] in /Users/builder/data/lanes/4695/448f54fd/source/xamarin-android/src/Mono.Android/Android.App/SyncContext.cs:35
at Java.Lang.Thread+RunnableImplementor.Run() [0x00008] in /Users/builder/data/lanes/4695/448f54fd/source/xamarin-android/src/Mono.Android/Java.Lang/Thread.cs:36
at Java.Lang.IRunnableInvoker.n_Run (System.IntPtr jnienv, System.IntPtr native__this) [0x00008] in /Users/builder/data/lanes/4695/448f54fd/source/xamarin-android/src/Mono.Android/obj/Release/android-23/mcw/Java.Lang.IRunnable.cs:81
at (wrapper dynamic-method) System.Object:3ff99a1f-7842-4c41-b229-386570e8d19f (intptr,intptr)
---> (Inner Exception #0) System.NotSupportedException: Don't know about System.Collections.Generic.List`1[System.String]
at SQLite.Orm.SqlType (SQLite.TableMapping+Column p, System.Boolean storeDateTimeAsTicks) [0x001ad] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:2080
at SQLite.Orm.SqlDecl (SQLite.TableMapping+Column p, System.Boolean storeDateTimeAsTicks) [0x00000] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:2027
at SQLite.SQLiteConnection.<CreateTable>m__0 (SQLite.TableMapping+Column p) [0x00000] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:417
at System.Linq.Enumerable+SelectArrayIterator`2[TSource,TResult].ToArray() [0x00012] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/external/corefx/src/System.Linq/src/System/Linq/Select.cs:251
at System.Linq.Enumerable.ToArray[TSource] (System.Collections.Generic.IEnumerable`1[T] source) [0x00015] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/external/corefx/src/System.Linq/src/System/Linq/ToCollection.cs:19
at SQLite.SQLiteConnection.CreateTable (System.Type ty, SQLite.CreateFlags createFlags) [0x00133] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLite.cs:418
at SQLite.SQLiteAsyncConnection+<CreateTablesAsync>c__AnonStorey0.<>m__0() [0x0002f] in /Users/fak/Dropbox/Projects/sqlite-net/src/SQLiteAsync.cs:108
at System.Threading.Tasks.Task`1[TResult].InnerInvoke() [0x0000f] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Future.cs:680
at System.Threading.Tasks.Task.Execute() [0x00010] in /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:2502 <---
を取得します。 PrimaryKey
、ForeignKey
などの属性を使用する必要がありますか?どうやって?あるいは、ライブラリはプリミティブなデータ型しか扱えないのですか?
サンプルはhereからダウンロードできます。
This issueは、List
で動作するはずですが、最新バージョンでは動作しないと述べています。私は1.2.0と1.3.1にダウングレードして成功しなかった。
編集
私はをインストールし、
using SQLite;
using SQLiteNetExtensions.Attributes;
using System.Collections.Generic;
namespace Todo
{
public class Test
{
[PrimaryKey, AutoIncrement]
public int AnotherID { get; set; }
public string Name { get; set; }
}
public class TodoItem
{
[PrimaryKey, AutoIncrement]
public int ID { get; set; }
public string Name { get; set; }
public string Notes { get; set; }
public bool Done { get; set; }
[TextBlob("StringsBlobbed")]
public List<string> Strings { get; set; }
public string StringsBlobbed { get; set; }
}
}
にサンプルコードを変更し、私はまだ同じエラーを取得します。
編集2
私はライブラリ間の混乱があると思います。 SQLite-Net Extensions
は、SQLite.Net-PCL v. 3.1.1(Nuget)に依存します。しかし、Xamarinはライブラリsqlite-net-pcl v. 1.3.3(Nuget)にリンクしています。
SQLite.Net-PCL
(oysteinkrog)がsqlite-net-pcl
(praeclarum)のフォークです。後者はSQLite-Net Extensions
と互換性がないようですが、これは私がここで必要としているものです。しかし、SQLite.Net-PCL
はUWPをサポートしていますか? 2016年6月4日以降更新されていません。最も面白いのは、SQLite-Net Extensions
がpraeclarumにリンクしていることです。間違っています。私はすべてのSQL Nugetパッケージをアンインストールし、必要な依存関係を自動的に起動するSQLite-Net Extensions
をインストールすることでこれをチェックしました。私に何ができる?
質問に投票しないでください。とにかく私は[ask]を読んで実際のエラーを含めるべきだと思います。 「1つまたは複数のエラーが発生しました」はAggregateExceptionです。これには、InnerExceptionsプロパティで発生した実際の例外が含まれています。これらの例外には、さらに研究できるメッセージが含まれており、あなたの質問にあなたの研究を示すことを忘れないでください。 – CodeCaster
たとえば、[SQLite用のクラスで文字列のリストを使用できますか?](https://stackoverflow.com/questions/14663984/can-i-use-a-list-of-string-in-a)を参照してください。 -class-for-sqlite)を使用します。 – CodeCaster
私は 'SQLiteNetExtensions'を使用しようとしましたが、リストに同じエラーが出ます(編集された質問を参照)。 'ForeignKey'を使ってオブジェクトをオブジェクトに入れ子にすることはできませんか? – testing