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 RIDER
(
ID NUMBER (19, 0) GENERATED ALWAYS AS IDENTITY NOT NULL,
MOUNT VARCHAR2 (100 CHAR)
)");
var rider = new Rider(EquineBeast.Mule);
context.Add(rider);
await context.SaveChangesAsync();
}
scope.Complete();
}
using (var context = new EntityContext())
{
// This works
var unicornRider = context.Set <Rider>()
.FirstOrDefault(_ => _.Mount.Value == EquineBeast.Unicorn);
// This works
var beastsWithHorns = new EquineBeast?[] { EquineBeast.Unicorn };
var hornRider = context.Set <Rider>()
.FirstOrDefault(_ => beastsWithHorns.Contains(_.Mount));
// This doesn't - throws ORA-01722: invalid number exception
var beastsWithoutHorns = new[] { EquineBeast.Donkey, EquineBeast.Horse, EquineBeast.Mule };
var noHornRider = context.Set <Rider>()
.FirstOrDefault(_ => beastsWithoutHorns.Contains(_.Mount.Value));
}
Console.WriteLine("Finished.");
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
Console.ReadKey();
}
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();
}
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 RIDER
(
ID NUMBER (19, 0) GENERATED ALWAYS AS IDENTITY NOT NULL,
MOUNT VARCHAR2 (100 CHAR) NOT NULL,
COMMENT2 CLOB
)");
context.Database.ExecuteSqlCommand(@"
CREATE TABLE SWORD
(
ID NUMBER (19, 0) GENERATED ALWAYS AS IDENTITY NOT NULL,
RIDER_ID NUMBER (19, 0) NOT NULL,
SWORD_TYPE VARCHAR2 (100 CHAR) NOT NULL
)");
var rider = new Rider(EquineBeast.Mule);
rider.Comment = string.Join("", Enumerable.Range(1, 5000).Select(_ => "a"));
context.Add(rider);
await context.SaveChangesAsync();
rider.PickUpSword(new Sword(SwordType.Katana));
rider.PickUpSword(new Sword(SwordType.Longsword));
await context.SaveChangesAsync();
}
scope.Complete();
}
using (var context = new EntityContext())
{
var parameter = EquineBeast.Mule;
var rider = context.Set <Rider>()
.Where(_ => _.Mount == parameter &&
_.Swords.Any(sword => sword.SwordType == SwordType.Longsword))
.Include(_ => _.Swords).FirstOrDefault();
//var rider = context.Set<Rider>().Where(_ => _.Mount == EquineBeast.Mule).FirstOrDefault();
}
Console.WriteLine("Finished.");
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
Console.ReadKey();
}