void FirebirdAction(DbConnection connection)
{
using (var conn = LinqToDB.DataProvider.Firebird.FirebirdTools.CreateDataConnection(connection))
{
conn.Execute(@"
UPDATE ""Person""
SET
""FirstName"" = @FIRSTNAME,
""LastName"" = @LASTNAME
WHERE ""PersonID"" = 4" ,
new
{
FIRSTNAME = "Jürgen",
LASTNAME = "König",
});
using var _ = new DisableBaseline("Non-deterministic database cleanup");
var sp = conn.DataProvider.GetSchemaProvider();
var schema = sp.GetSchema(conn, new GetSchemaOptions {
GetProcedures = false
});
foreach (var table in schema.Tables)
{
if (table.TableName !.StartsWith("Animals") ||
table.TableName !.StartsWith("Eyes") ||
table.TableName !.StartsWith("xxPatient"))
{
conn.Execute($"DROP TABLE \"{table.TableName}\"");
}
}
}
}
public void MergeInsert([MergeTests.MergeDataContextSource(false, TestProvName.AllSybase, TestProvName.AllInformix)] string context)
{
using var d1 = new DisableBaseline("Multi-threading");
using var d2 = new DisableLogging();
var testData = MultiThreadedData.TestData();
// transaction (or delay) required for Access and Firebird, otherwise it is possible for other threads
// to read incomplete results, because inserted data is not made available yet to other threads by
// database engine
using (var db = (DataConnection)GetDataContext(context))
using (var table = db.CreateLocalTable(testData, true))
{
ConcurrentRunner(db, context, 1,
(threadDb, p) =>
{
var result = threadDb.GetTable <MultiThreadedData>()
.Merge()
.Using(testData.Where(x => x.Id <= p))
.OnTargetKey()
.InsertWhenNotMatched()
.Merge();
return(result);
}, (result, p) =>
{
}, Enumerable.Range(1, 100).ToArray());
}
}
public void ParamOptimization([DataSources(false, TestProvName.AllSybase)] string context)
{
using var d1 = new DisableBaseline("Multi-threading");
using var d2 = new DisableLogging();
var testData = MultiThreadedData.TestData();
// transaction (or delay) required for Access and Firebird, otherwise it is possible for other threads
// to read incomplete results, because inserted data is not made available yet to other threads by
// database engine
using (var db = (DataConnection)GetDataContext(context))
using (var table = db.CreateLocalTable(testData, true))
{
ConcurrentRunner(db, context, 2,
(threadDb, p) =>
{
var query = threadDb.GetTable <MultiThreadedData>().Where(x => p % 2 == 0 && x.Id == p || x.Id == p % 3 + 1);
return(query.Select(q => q.Id).ToArray());
}, (result, p) =>
{
var query = testData.Where(x => p % 2 == 0 && x.Id == p || x.Id == p % 3 + 1);
var expected = query.Select(q => q.Id).ToArray();
AreEqual(expected, result);
}, Enumerable.Range(1, 50).ToArray());
}
}
public void EndsWithTests([DataSources(false, TestProvName.AllSybase)] string context)
{
using var d1 = new DisableBaseline("Multi-threading");
using var d2 = new DisableLogging();
var testData = MultiThreadedData.TestData();
// transaction (or delay) required for Access and Firebird, otherwise it is possible for other threads
// to read incomplete results, because inserted data is not made available yet to other threads by
// database engine
using (var db = (DataConnection)GetDataContext(context))
using (var table = db.CreateLocalTable(testData, true))
{
ConcurrentRunner(db, context, 10,
(threadDb, p) =>
{
var query = threadDb.GetTable <MultiThreadedData>().Where(x => x.StrValue.Trim().EndsWith(p));
return(query.Select(q => q.StrValue).ToArray());
}, (result, p) =>
{
var query = testData.Where(x => x.StrValue.EndsWith(p));
var expected = query.Select(q => q.StrValue).ToArray();
AreEqual(expected, result);
}, "1", "x1", "x11", "x33", "x2");
}
}
private void PrepareIdentityData(ITestDataContext db, string context)
{
using var _1 = new DisableBaseline("Test Setup");
using var _2 = new DisableLogging();
db.Patient.Delete();
db.Doctor.Delete();
db.Person.Delete();
var id = 1;
foreach (var person in IdentityPersons)
{
person.ID = id++;
person.ID = Convert.ToInt32(db.InsertWithIdentity(person));
}
IdentityDoctors[0].PersonID = IdentityPersons[4].ID;
IdentityDoctors[1].PersonID = IdentityPersons[5].ID;
foreach (var doctor in IdentityDoctors)
{
db.Insert(doctor);
}
IdentityPatients[0].PersonID = IdentityPersons[2].ID;
IdentityPatients[1].PersonID = IdentityPersons[3].ID;
foreach (var patient in IdentityPatients)
{
db.Insert(patient);
}
}
public async Task Issue3137([IncludeDataSources(true, TestProvName.AllSQLite)] string context)
{
using var _ = new DisableBaseline("multi-threading");
var rnd = new Random();
const int runs = 10;
var tasks = new Task[runs];
for (int i = 0; i < tasks.Length; i++)
{
tasks[i] = Task.Run(execute);
}
await Task.WhenAll(tasks);
async Task execute()
{
// add uniqueness to hints to ensure no hints spilling between contexts through query cache
using (var db = GetDataContext(context))
{
var corr = rnd.Next();
var sharedHint = $"-- many {corr}!";
var oneTimeHint = $"-- once {corr}!";
db.QueryHints.Add(sharedHint);
db.NextQueryHints.Add(oneTimeHint);
var query = db.Parent.Where(r => r.ParentID == 11);
var sql = db is DataConnection ? null : query.ToString();
await query.ToListAsync();
if (db is DataConnection dc)
{
sql = dc.LastQuery !;
}
Assert.True(sql !.Contains(sharedHint), $"(1) expected {sharedHint}. Has alien hint: {sql.Contains("many")}");
Assert.True(sql.Contains(oneTimeHint), $"(1) expected {oneTimeHint}. Has alien hint: {sql.Contains("once")}");
query = db.Parent.Where(r => r.ParentID == 11);
sql = db is DataConnection ? null : query.ToString();
await query.ToListAsync();
if (db is DataConnection dc2)
{
sql = dc2.LastQuery !;
}
Assert.True(sql !.Contains(sharedHint), $"(2) expected {sharedHint}. Has alien hint: {sql.Contains("many")}");
Assert.False(sql.Contains(oneTimeHint), $"(2) expected no {oneTimeHint}");
Assert.False(sql.Contains("once"), $"(2) alien one-time hint found");
}
}
}
public void Issue3017([IncludeDataSources(TestProvName.AllSqlServer)] string context)
{
using var scope = new DisableBaseline("Multithreading");
var tasks = new List <Task>();
for (var i = 0; i < 30; i++)
{
var local = i;
tasks.Add(Task.Run(() => Issue3017Action(context)));
}
Task.WaitAll(tasks.ToArray());
foreach (var task in tasks)
{
Assert.False(task.IsFaulted);
}
}
public void EagerLoadMultiLevel([IncludeDataSources(TestProvName.AllSqlServer)] string context)
{
using var d1 = new DisableBaseline("Multi-threading");
using var d2 = new DisableLogging();
var testData = MultiThreadedData.TestData();
using (var db = (DataConnection)GetDataContext(context))
using (var table = db.CreateLocalTable(testData, true))
{
ConcurrentRunner(db, context, 1,
(threadDb, p) =>
{
var param1 = p;
var param2 = p;
var result = threadDb.GetTable <MultiThreadedData>()
.Where(t => t.Id > param1)
.Select(t => new
{
t.Id,
t.StrValue,
t.Value,
Others = threadDb.GetTable <MultiThreadedData>().Where(x => x.Id > t.Id && x.Id > param1 && x.Id > param2).OrderBy(x => x.Id)
.Select(o => new
{
o.Id,
o.StrValue,
Param = param1,
SubOthers = threadDb.GetTable <MultiThreadedData>()
.Where(x => x.Id > o.Id)
.OrderBy(x => x.Id)
.ToArray()
}).ToArray()
})
.ToList();
return(result);
}, (result, p) =>
{
var param1 = p;
var param2 = p;
var expected = testData
.Where(t => t.Id > param1)
.Select(t => new
{
t.Id,
t.StrValue,
t.Value,
Others = testData.Where(x => x.Id > t.Id && x.Id > param1 && x.Id > param2).OrderBy(x => x.Id)
.Select(o => new
{
o.Id,
o.StrValue,
Param = param1,
SubOthers = testData
.Where(x => x.Id > o.Id)
.OrderBy(x => x.Id)
.ToArray()
}).ToArray()
})
.ToList();
result.Count.Should().Be(expected.Count);
if (expected.Count > 0)
{
AreEqualWithComparer(result, expected);
}
}, Enumerable.Range(1, 100).ToArray());
}
}
public void EagerLoadMultiLevel([IncludeDataSources(TestProvName.AllSQLite)] string context)
{
#if NETFRAMEWORK
if (context.Contains(ProviderName.SQLiteMS))
{
Assert.Inconclusive("Disabled due to sporadical errors due to old SQLite version (SQLite Error 5: 'database is locked')");
}
#endif
using var d1 = new DisableBaseline("Multi-threading");
using var d2 = new DisableLogging();
var testData = MultiThreadedData.TestData();
using (var db = (DataConnection)GetDataContext(context))
using (var table = db.CreateLocalTable(testData, true))
{
ConcurrentRunner(db, context, 1,
(threadDb, p) =>
{
var param1 = p;
var param2 = p;
var result = threadDb.GetTable <MultiThreadedData>()
.Where(t => t.Id > param1)
.Select(t => new
{
t.Id,
t.StrValue,
t.Value,
Others = threadDb.GetTable <MultiThreadedData>().Where(x => x.Id > t.Id && x.Id > param1 && x.Id > param2).OrderBy(x => x.Id)
.Select(o => new
{
o.Id,
o.StrValue,
Param = param1,
SubOthers = threadDb.GetTable <MultiThreadedData>()
.Where(x => x.Id > o.Id)
.OrderBy(x => x.Id)
.ToArray()
}).ToArray()
})
.ToList();
return(result);
}, (result, p) =>
{
var param1 = p;
var param2 = p;
var expected = testData
.Where(t => t.Id > param1)
.Select(t => new
{
t.Id,
t.StrValue,
t.Value,
Others = testData.Where(x => x.Id > t.Id && x.Id > param1 && x.Id > param2).OrderBy(x => x.Id)
.Select(o => new
{
o.Id,
o.StrValue,
Param = param1,
SubOthers = testData
.Where(x => x.Id > o.Id)
.OrderBy(x => x.Id)
.ToArray()
}).ToArray()
})
.ToList();
result.Count.Should().Be(expected.Count);
if (expected.Count > 0)
{
AreEqualWithComparer(result, expected);
}
}, Enumerable.Range(1, 100).ToArray());
}
}
