private bool LoadByPrimaryKeyDynamic(System.Int32 empID, System.Int32 terrID)
{
EmployeeTerritoryQuery query = new EmployeeTerritoryQuery();
query.Where(query.EmpID == empID, query.TerrID == terrID);
return(this.Load(query));
}
protected void InitQuery(EmployeeTerritoryQuery query)
{
query.OnLoadDelegate = this.OnQueryLoaded;
if (!query.es2.HasConnection)
{
query.es2.Connection = ((IEntityCollection)this).Connection;
}
}
public void InnerJoinFourTables()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
EmployeeQuery emp = new EmployeeQuery("e");
EmployeeTerritoryQuery empTerr = new EmployeeTerritoryQuery("et");
TerritoryQuery terr = new TerritoryQuery("t");
TerritoryExQuery terrEx = new TerritoryExQuery("tx");
emp.Select(emp.FirstName, emp.LastName, terr.Description.As("Territory"), terrEx.Notes)
.InnerJoin(empTerr).On(emp.EmployeeID == empTerr.EmpID)
.InnerJoin(terr).On(terr.TerritoryID == empTerr.TerrID)
.InnerJoin(terrEx).On(terrEx.TerritoryID == terr.TerritoryID)
.Where(terrEx.Notes.IsNotNull());
Assert.IsTrue(collection.Load(emp));
Assert.AreEqual(2, collection.Count);
string theName = collection[1].GetColumn("Territory") as string;
Assert.AreEqual("North", theName);
}
public bool Load(EmployeeTerritoryQuery query)
{
this.query = query;
InitQuery(this.query);
return(Query.Load());
}
public void WhereWithJoin()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
// SubQuery of Territories
TerritoryQuery tq = new TerritoryQuery("t");
tq.Select(tq.TerritoryID);
tq.Where(tq.Description == "North" |
tq.Description == "West");
// EmployeeTerritory Query for Join
EmployeeTerritoryQuery etq = new EmployeeTerritoryQuery("et");
// Employees matching those territories
EmployeeQuery eq = new EmployeeQuery("e");
eq.es.Distinct = true;
eq.Select(eq.EmployeeID, etq.TerrID);
eq.LeftJoin(etq).On(
eq.EmployeeID == etq.EmpID);
eq.Where(etq.TerrID.In(tq));
eq.OrderBy(eq.EmployeeID.Ascending);
Assert.IsTrue(collection.Load(eq));
Assert.AreEqual(3, collection.Count);
}
public void WhereNotIn()
{
TerritoryCollection collection = new TerritoryCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
// SubQuery of Territories that Employee 1 is assigned to.
EmployeeTerritoryQuery etq = new EmployeeTerritoryQuery("et");
etq.Select(etq.TerrID);
etq.Where(etq.EmpID == 1);
// Territories that Employee 1 is not assigned to.
TerritoryQuery tq = new TerritoryQuery("t");
tq.Select(tq.Description);
tq.Where(tq.TerritoryID.NotIn(etq));
tq.OrderBy(tq.TerritoryID.Ascending);
Assert.IsTrue(collection.Load(tq));
Assert.AreEqual(2, collection.Count);
Assert.AreEqual("West", collection[0].GetColumn(
TerritoryMetadata.ColumnNames.Description));
}
public void SerializeDeserializeJoin()
{
if (aggTest.es.Connection.Name == "SqlCe")
{
Assert.Ignore("Not tested for SqlCe.");
}
else
{
// Test serializing a DynamicQuery
// Must use binary serialization
// Xml serialization doesn't serialize all of your private properties
// 1) Create our Query on the client
EmployeeQuery emp = new EmployeeQuery("eq");
//emp.es.Connection.Name = "ForeignKeyTest";
EmployeeTerritoryQuery et = new EmployeeTerritoryQuery("etq");
//et.es.Connection.Name = "ForeignKeyTest";
emp.Select(emp.FirstName, emp.LastName, et.TerrID);
emp.InnerJoin(et).On(emp.EmployeeID == et.EmpID);
emp.Where(emp.LastName.Like("S%"));
// 2) Serialize it in binary
BinaryFormatter bf = new BinaryFormatter();
MemoryStream ms = new MemoryStream();
bf.Serialize(ms, emp);
byte[] query = ms.ToArray();
// 3) Send it over the wire
// 4) Deserialize it on the Server
bf = new BinaryFormatter();
ms = new MemoryStream(query);
EmployeeQuery newQuery = bf.Deserialize(ms) as EmployeeQuery;
// Now load it
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.Name = "ForeignKeyTest";
collection.Load(newQuery);
Assert.AreEqual(5, collection.Count);
Assert.AreEqual("S", collection[0].LastName.Substring(0, 1));
}
}
public void JoinWithPaging()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
switch (collection.es.Connection.ProviderSignature.DataProviderName)
{
case "EntitySpaces.MSAccessProvider":
case "EntitySpaces.SqlServerCeProvider":
case "EntitySpaces.VistaDBProvider":
case "EntitySpaces.VistaDB4Provider":
Assert.Ignore("Not supported");
break;
default:
EmployeeQuery emp = new EmployeeQuery("e");
EmployeeTerritoryQuery empTerr = new EmployeeTerritoryQuery("et");
TerritoryQuery terr = new TerritoryQuery("t");
TerritoryExQuery terrEx = new TerritoryExQuery("tx");
emp.Select(emp, terr.Description.As("Territory"), terrEx.Notes);
emp.InnerJoin(empTerr).On(empTerr.TerrID == emp.EmployeeID);
emp.InnerJoin(terr).On(terr.TerritoryID == empTerr.TerrID);
emp.InnerJoin(terrEx).On(terrEx.TerritoryID == terr.TerritoryID);
emp.Where(terrEx.Notes.IsNotNull());
emp.OrderBy(emp.FirstName.Ascending);
emp.es.PageNumber = 1;
emp.es.PageSize = 20;
Assert.IsTrue(collection.Load(emp));
Assert.AreEqual(2, collection.Count);
break;
}
}
public void JoinFourTablesInnerLeft()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
switch (collection.es.Connection.ProviderSignature.DataProviderName)
{
case "EntitySpaces.MSAccessProvider":
Assert.Ignore("Not supported.");
break;
default:
EmployeeQuery emp = new EmployeeQuery("e");
EmployeeTerritoryQuery empTerr = new EmployeeTerritoryQuery("et");
TerritoryQuery terr = new TerritoryQuery("t");
TerritoryExQuery terrEx = new TerritoryExQuery("tx");
emp.Select(emp.FirstName, emp.LastName, terr.Description.As("Territory"), terrEx.Notes);
emp.LeftJoin(empTerr).On(emp.EmployeeID == empTerr.EmpID);
emp.InnerJoin(terr).On(empTerr.TerrID == terr.TerritoryID);
emp.LeftJoin(terrEx).On(terr.TerritoryID == terrEx.TerritoryID);
Assert.IsTrue(collection.Load(emp));
Assert.AreEqual(8, collection.Count);
break;
}
}
public void LeftJoinFourTablesWithWhere()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
EmployeeQuery emp = new EmployeeQuery("e");
EmployeeTerritoryQuery empTerr = new EmployeeTerritoryQuery("et");
TerritoryQuery terr = new TerritoryQuery("t");
TerritoryExQuery terrEx = new TerritoryExQuery("tx");
emp.Select(emp.FirstName, emp.LastName, terr.Description.As("Territory"), terrEx.Notes);
emp.LeftJoin(empTerr).On(emp.EmployeeID == empTerr.EmpID);
emp.LeftJoin(terr).On(empTerr.TerrID == terr.TerritoryID);
emp.LeftJoin(terrEx).On(terr.TerritoryID == terrEx.TerritoryID);
emp.Where(emp.FirstName.Trim().Like("J___"));
Assert.IsTrue(collection.Load(emp));
Assert.AreEqual(7, collection.Count);
}
