public PuzzleGroup(Classroom classroom, string name)
{
Classroom = classroom;
Name = name;
}
static async Task Main(string[] args)
{
try
{
EntityFrameworkProfiler.Initialize();
var config = Devart.Data.Oracle.Entity.Configuration.OracleEntityProviderConfig.Instance;
config.CodeFirstOptions.UseNonUnicodeStrings = true;
config.CodeFirstOptions.UseNonLobStrings = true;
var builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.development.json", optional: false, reloadOnChange: true);
var configuration = builder.Build();
EntityContext.ConnectionString = ComposeConnectionString(configuration);
using (var scope = new TransactionScope(
TransactionScopeOption.Required,
new TransactionOptions {
IsolationLevel = IsolationLevel.ReadCommitted
},
TransactionScopeAsyncFlowOption.Enabled))
{
using (var context = new EntityContext())
{
context.Database.EnsureDeleted();
context.Database.ExecuteSqlCommand(@"
CREATE TABLE CLASSROOM
(
ID NUMBER (19, 0) GENERATED ALWAYS AS IDENTITY NOT NULL,
NAME VARCHAR2(50 CHAR)
)");
context.Database.ExecuteSqlCommand(@"
CREATE TABLE PUZZLE_GROUP
(
ID NUMBER (19, 0) GENERATED ALWAYS AS IDENTITY NOT NULL,
NAME VARCHAR2(50 CHAR),
CLASSROOM_ID NUMBER (19, 0) NOT NULL
)");
context.Database.ExecuteSqlCommand(@"
CREATE TABLE PUZZLE
(
ID NUMBER (19, 0) GENERATED ALWAYS AS IDENTITY NOT NULL,
PUZZLE_GROUP_ID NUMBER (19, 0) NOT NULL,
COMPLETED NUMBER (1, 0) NOT NULL
)");
var classroom = new Classroom("test");
var puzzleGroup1 = new PuzzleGroup(classroom, "group1");
var puzzleGroup2 = new PuzzleGroup(classroom, "group2");
var puzzle1 = new Puzzle(puzzleGroup1, true);
var puzzle2 = new Puzzle(puzzleGroup1, true);
var puzzle3 = new Puzzle(puzzleGroup2, true);
var puzzle4 = new Puzzle(puzzleGroup2, false);
context.Add(classroom);
context.Add(puzzleGroup1);
context.Add(puzzleGroup2);
context.Add(puzzle1);
context.Add(puzzle2);
context.Add(puzzle3);
context.Add(puzzle4);
await context.SaveChangesAsync();
}
scope.Complete();
}
using (var context = new EntityContext())
{
// This works
var classroomResult1 = context
.Set <Classroom>()
.FirstOrDefault(_ => _.PuzzleGroups.All(gr => gr.Puzzles.Any(p => !p.Completed)));
// This doesn't - throws ORA-00936: missing expression
var classroomResult2 = context
.Set <Classroom>()
.FirstOrDefault(_ => _.PuzzleGroups.All(gr => !gr.Puzzles.All(p => p.Completed)));
}
Console.WriteLine("Finished.");
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
Console.ReadKey();
}