public void LoadJoined()
{
CustomerQuery cq = new CustomerQuery("c");
EmployeeQuery eq = new EmployeeQuery("e");
EmployeeQuery eq2 = new EmployeeQuery("e2");
OrderQuery oq = new OrderQuery("o");
OrderItemQuery oiq = new OrderItemQuery("oi");
ProductQuery pq = new ProductQuery("p");
cq.Select(
cq.CustomerID,
cq.CustomerSub,
cq.CustomerName,
eq,
eq2.LastName.As("ReportsTo"),
oq.PlacedBy,
oq.OrderDate,
oiq,
pq.ProductName,
pq.Discontinued);
cq.LeftJoin(eq).On(eq.EmployeeID == cq.Manager);
cq.LeftJoin(eq2).On(eq.Supervisor == eq2.EmployeeID);
cq.LeftJoin(oq).On(cq.CustomerID == oq.CustID
&& cq.CustomerSub == oq.CustSub);
cq.LeftJoin(oiq).On(oq.OrderID == oiq.OrderID);
cq.LeftJoin(pq).On(oiq.ProductID == pq.ProductID);
CustomerCollection coll = new CustomerCollection();
coll.es.Connection.Name = "ForeignKeyTest";
Assert.IsTrue(coll.Load(cq));
Assert.AreEqual(69, coll.Count);
}
private bool LoadByPrimaryKeyDynamic(System.Int32 employeeID)
{
EmployeeQuery query = new EmployeeQuery();
query.Where(query.EmployeeID == employeeID);
return(this.Load(query));
}
public bool GetActiveProductIds(int employeeId)
{
ProductQuery prd = new ProductQuery("pq");
//prd.es.Connection.Name = "ForeignKeyTest";
OrderItemQuery item = new OrderItemQuery("oiq");
//item.es.Connection.Name = "ForeignKeyTest";
OrderQuery ord = new OrderQuery("oq");
//ord.es.Connection.Name = "ForeignKeyTest";
CustomerQuery cust = new CustomerQuery("cq");
//cust.es.Connection.Name = "ForeignKeyTest";
EmployeeQuery emp = new EmployeeQuery("eq");
//emp.es.Connection.Name = "ForeignKeyTest";
prd.Select(prd.ProductID);
prd.InnerJoin(item).On(prd.ProductID == item.ProductID);
prd.InnerJoin(ord).On(item.OrderID == ord.OrderID);
prd.InnerJoin(cust).On(ord.CustID == cust.CustomerID &
ord.CustSub == cust.CustomerSub);
prd.InnerJoin(emp).On(cust.Manager == emp.EmployeeID);
prd.Where(emp.EmployeeID == employeeId);
prd.Where(prd.Discontinued == false);
prd.es.Distinct = true;
return this.Load(prd);
}
public bool GetActiveProductIds(int employeeId)
{
ProductQuery prd = new ProductQuery("pq");
//prd.es.Connection.Name = "ForeignKeyTest";
OrderItemQuery item = new OrderItemQuery("oiq");
//item.es.Connection.Name = "ForeignKeyTest";
OrderQuery ord = new OrderQuery("oq");
//ord.es.Connection.Name = "ForeignKeyTest";
CustomerQuery cust = new CustomerQuery("cq");
//cust.es.Connection.Name = "ForeignKeyTest";
EmployeeQuery emp = new EmployeeQuery("eq");
//emp.es.Connection.Name = "ForeignKeyTest";
prd.Select(prd.ProductID);
prd.InnerJoin(item).On(prd.ProductID == item.ProductID);
prd.InnerJoin(ord).On(item.OrderID == ord.OrderID);
prd.InnerJoin(cust).On(ord.CustID == cust.CustomerID &
ord.CustSub == cust.CustomerSub);
prd.InnerJoin(emp).On(cust.Manager == emp.EmployeeID);
prd.Where(emp.EmployeeID == employeeId);
prd.Where(prd.Discontinued == false);
prd.es.Distinct = true;
return(this.Load(prd));
}
protected void InitQuery(EmployeeQuery query)
{
query.OnLoadDelegate = this.OnQueryLoaded;
if (!query.es2.HasConnection)
{
query.es2.Connection = ((IEntityCollection)this).Connection;
}
}
public void SimpleIntersect()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.Name = "ForeignKeyTest";
EmployeeQuery eq1 = new EmployeeQuery("eq1");
EmployeeQuery eq2 = new EmployeeQuery("eq2");
// Only includes rows with both "n" and"a"
eq1.Where(eq1.FirstName.Like("%n%"));
eq1.Intersect(eq2);
eq2.Where(eq2.FirstName.Like("%a%"));
Assert.IsTrue(collection.Load(eq1));
Assert.AreEqual(2, collection.Count);
}
public void SimpleExcept()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.Name = "ForeignKeyTest";
EmployeeQuery eq1 = new EmployeeQuery("eq1");
EmployeeQuery eq2 = new EmployeeQuery("eq2");
// Includes all "J"s except "Jim"
eq1.Where(eq1.FirstName.Like("%J%"));
eq1.Except(eq2);
eq2.Where(eq2.FirstName == "Jim");
Assert.IsTrue(collection.Load(eq1));
Assert.AreEqual(3, collection.Count);
}
public void ConcatTwoStringsAndTwoLiterals()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
EmployeeQuery eq = new EmployeeQuery("eq");
eq.Select(eq.EmployeeID,
(eq.LastName + " (" + eq.FirstName + ")").As("FullName"));
Assert.IsTrue(collection.Load(eq));
string theName = collection[0].GetColumn("FullName") as string;
Assert.AreEqual(12, theName.Length);
}
public void InnerSimple()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.Name = "ForeignKeyTest";
//collection.es.Connection.ConnectionString =
// UnitTestBase.GetFktString(collection.es.Connection);
EmployeeQuery eq = new EmployeeQuery("eq");
CustomerQuery cq = new CustomerQuery("cq");
eq.Select(eq.EmployeeID, eq.LastName, cq.CustomerName);
eq.InnerJoin(cq).On(eq.EmployeeID == cq.StaffAssigned);
Assert.IsTrue(collection.Load(eq));
Assert.AreEqual(10, collection.Count);
}
public void SimpleUnion()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.Name = "ForeignKeyTest";
EmployeeQuery eq1 = new EmployeeQuery("eq1");
EmployeeQuery eq2 = new EmployeeQuery("eq2");
// This leaves out the record with Age 30
eq1.Where(eq1.Age < 30);
eq1.Union(eq2);
eq2.Where(eq2.Age > 30);
Assert.IsTrue(collection.Load(eq1));
Assert.AreEqual(4, collection.Count);
}
public void SingleZeroToMany()
{
// The main Employee query
EmployeeQuery eq1 = new EmployeeQuery("e");
eq1.Where(eq1.EmployeeID < 3);
eq1.OrderBy(eq1.EmployeeID.Ascending);
// The Order Collection
OrderQuery oq1 = eq1.Prefetch<OrderQuery>(Employee.Prefetch_OrderCollectionByEmployeeID);
EmployeeQuery eq2 = oq1.GetQuery<EmployeeQuery>();
oq1.Where(eq2.EmployeeID < 3);
// Pre-test the Order query
OrderCollection oColl = new OrderCollection();
oColl.es.Connection.Name = "ForeignKeyTest";
oColl.Load(oq1);
Assert.AreEqual(3, oColl.Count, "Order pre-test");
// This will Prefetch the Order query
EmployeeCollection coll = new EmployeeCollection();
coll.es.Connection.Name = "ForeignKeyTest";
//coll.es.IsLazyLoadDisabled = true;
coll.Load(eq1);
foreach (Employee emp in coll)
{
emp.es.IsLazyLoadDisabled = true;
switch (emp.EmployeeID.Value)
{
case 1:
Assert.AreEqual(1, emp.EmployeeID.Value);
Assert.AreEqual(1, emp.OrderCollectionByEmployeeID.Count);
break;
case 2:
Assert.AreEqual(2, emp.EmployeeID.Value);
Assert.AreEqual(2, emp.OrderCollectionByEmployeeID.Count);
break;
default:
Assert.Fail("Only employees 1 and 2 should be loaded.");
break;
}
}
}
public void TestSerializeQuery()
{
EmployeeQuery query = new EmployeeQuery("e");
query.Where(query.EmployeeID.In(1, 2, 3, new List<object>() { 1, 2, 3 }));
string qq = EmployeeQuery.SerializeHelper.ToXml(query);
List<Type> types = new List<Type>();
types.Add(typeof(EmployeeQuery));
EmployeeQuery employeeQuery = EmployeeQuery.SerializeHelper.FromXml(
qq, typeof(EmployeeQuery), types) as EmployeeQuery;
EmployeeCollection c = new EmployeeCollection();
c.es.Connection.Name = "ForeignKeyTest";
c.Load(employeeQuery);
Assert.IsTrue(c.Count == 3);
}
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 void WhereExists()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
// SubQuery of Employees with a null Supervisor column.
EmployeeQuery sq = new EmployeeQuery("s");
sq.es.Distinct = true;
sq.Select(sq.EmployeeID);
sq.Where(sq.Supervisor.IsNull());
// If even one employee has a null supervisor,
// i.e., the above query has a result set,
// then run a list of all employees.
EmployeeQuery eq = new EmployeeQuery("e");
eq.Select(eq.EmployeeID, eq.Supervisor);
eq.Where(eq.Exists(sq));
Assert.IsTrue(collection.Load(eq));
Assert.AreEqual(5, collection.Count);
}
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 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 LeftWithExplicitParen()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
EmployeeQuery eq = new EmployeeQuery("eq");
CustomerQuery cq = new CustomerQuery("cq");
eq.Select(eq.EmployeeID, eq.LastName, cq.CustomerName);
eq.LeftJoin(cq).On(eq.EmployeeID == cq.StaffAssigned);
eq.Where(eq.Age == 20);
eq.Where(new esComparison(esParenthesis.Open));
eq.es.DefaultConjunction = esConjunction.Or;
for (int i = 0; i < 4; i++)
{
eq.Where(
eq.Supervisor == i &
eq.EmployeeID == i + 1);
}
eq.Where(new esComparison(esParenthesis.Close));
Assert.IsTrue(collection.Load(eq));
Assert.AreEqual(5, collection.Count);
}
public void AnyNestedBySubQuery()
{
OrderCollection collection = new OrderCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
switch (collection.es.Connection.ProviderSignature.DataProviderName)
{
case "EntitySpaces.SQLiteProvider":
Assert.Ignore("Not supported by SQLite.");
break;
default:
// Employees whose LastName begins with 'S'.
EmployeeQuery eq = new EmployeeQuery("e");
eq.Select(eq.EmployeeID);
eq.Where(eq.LastName.Like("S%"));
// DateAdded for Customers whose Managers are in the
// EmployeeQuery above.
CustomerQuery cq = new CustomerQuery("c");
cq.es.Any = true;
cq.Select(cq.DateAdded);
cq.Where(cq.Manager.In(eq));
// OrderID and CustID where the OrderDate is
// less than any one of the dates in the CustomerQuery above.
OrderQuery oq = new OrderQuery("o");
oq.Select(
oq.OrderID,
oq.CustID
);
oq.Where(oq.OrderDate < cq);
Assert.IsTrue(collection.Load(oq));
Assert.AreEqual(8, collection.Count);
break;
}
}
public void Nested()
{
OrderCollection collection = new OrderCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
OrderQuery oq = new OrderQuery("o");
CustomerQuery cq = new CustomerQuery("c");
EmployeeQuery eq = new EmployeeQuery("e");
// OrderID and CustID for customers who ordered on the same date
// a customer was added, and have a manager whose
// last name starts with 'S'.
oq.Select(
oq.OrderID,
oq.CustID
);
oq.Where(oq.OrderDate
.In(
cq.Select(cq.DateAdded)
.Where(cq.Manager.In(
eq.Select(eq.EmployeeID)
.Where(eq.LastName.Like("S%"))
)
)
)
);
Assert.IsTrue(collection.Load(oq));
Assert.AreEqual(2, collection.Count);
}
public void WhereInANDedTogetherOperator()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
EmployeeQuery eq1 = new EmployeeQuery("e1");
EmployeeQuery eq2 = new EmployeeQuery("e2");
EmployeeQuery eq3 = new EmployeeQuery("e3");
eq2.Select(eq2.EmployeeID);
eq3.Select(eq3.EmployeeID);
eq1.Where(eq1.EmployeeID.In(eq2) & eq1.EmployeeID.In(eq3));
Assert.IsTrue(collection.Load(eq1));
Assert.AreEqual(5, collection.Count);
string lq = collection.Query.es.LastQuery;
string[] one = lq.Split('1');
Assert.AreEqual(4, one.GetLength(0));
string[] two = lq.Split('2');
Assert.AreEqual(3, two.GetLength(0));
string[] three = lq.Split('3');
Assert.AreEqual(3, three.GetLength(0));
}
public void CrossDbJoin()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
switch (collection.es.Connection.ProviderSignature.DataProviderName)
{
case "EntitySpaces.SqlClientProvider":
// AggregateDb
AggregateTestQuery aq = new AggregateTestQuery("a");
// ForeignKeyTest
EmployeeQuery eq = new EmployeeQuery("e");
eq.Select(eq.LastName, eq.FirstName, aq.Age);
eq.LeftJoin(aq).On(
eq.LastName == aq.LastName &
eq.FirstName == aq.FirstName);
eq.OrderBy(eq.LastName.Ascending,
eq.FirstName.Ascending);
Assert.IsTrue(collection.Load(eq));
Assert.AreEqual(22, collection[2].GetColumn("Age"));
break;
default:
Assert.Ignore("SQL Server only");
break;
}
}
public void OneAddIntegers()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.Name = "ForeignKeyTest";
EmployeeQuery eq = new EmployeeQuery("eq");
eq.Select(eq.EmployeeID, eq.Age,
(eq.Age + eq.Supervisor).As("SomeInt"));
eq.OrderBy(eq.EmployeeID, esOrderByDirection.Ascending);
Assert.IsTrue(collection.Load(eq));
object si = collection[0].GetColumn("SomeInt");
Assert.AreEqual(null, si);
int someInt = Convert.ToInt32(collection[1].GetColumn("SomeInt"));
Assert.AreEqual(21, someInt);
}
public void TwoAddStringsWithOrderBy()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
EmployeeQuery eq = new EmployeeQuery("eq");
eq.Select(eq.EmployeeID,
(eq.LastName + ", " + eq.FirstName).As("FullName"));
eq.OrderBy(eq.EmployeeID, esOrderByDirection.Ascending);
Assert.IsTrue(collection.Load(eq));
string theName = collection[0].GetColumn("FullName") as string;
Assert.AreEqual(11, theName.Length);
}
public void TwoAddStringsThenConcatenated()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
EmployeeQuery eq = new EmployeeQuery("eq");
eq.Select
(
eq.EmployeeID,
(
(eq.LastName.ToLower() + eq.FirstName.ToLower()).Trim() +
" : " +
(eq.LastName.ToUpper() + eq.FirstName.ToUpper()).Trim()
).Trim().As("SomeColumn")
);
Assert.IsTrue(collection.Load(eq));
string theName = collection[0].GetColumn("SomeColumn") as string;
Assert.AreEqual("smithjohn : SMITHJOHN", theName);
}
public void WhereExistsFalse()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
// EmployeeID is required and will never be NULL
EmployeeQuery sq = new EmployeeQuery("s");
sq.es.Distinct = true;
sq.Select(sq.EmployeeID);
sq.Where(sq.EmployeeID.IsNull());
// This should produce no results as the
// inner query does not exist.
EmployeeQuery eq = new EmployeeQuery("e");
eq.Select(eq.EmployeeID, eq.Supervisor);
eq.Where(eq.Exists(sq));
Assert.IsFalse(collection.Load(eq));
}
public void TwoAddStringsWithToUpper()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
EmployeeQuery eq = new EmployeeQuery("eq");
eq.Select(eq.EmployeeID,
(eq.LastName.ToUpper() + ", " + eq.FirstName).As("FullName"));
eq.Where(eq.LastName == "Doe");
eq.OrderBy(eq.FirstName.Ascending);
Assert.IsTrue(collection.Load(eq));
string theName = collection[0].GetColumn("FullName") as string;
Assert.AreEqual("DOE, Jane", theName);
}
public void WhereExistsANDed()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
EmployeeQuery eq1 = new EmployeeQuery("e1");
EmployeeQuery eq2 = new EmployeeQuery("e2");
eq1.Where(eq1.EmployeeID > 2, eq1.Exists(eq2));
Assert.IsTrue(collection.Load(eq1));
Assert.AreEqual(3, collection.Count);
string lq = collection.Query.es.LastQuery;
string[] one = lq.Split('1');
Assert.AreEqual(4, one.GetLength(0));
string[] two = lq.Split('2');
Assert.AreEqual(2, two.GetLength(0));
}
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 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 bool Load(EmployeeQuery query)
{
this.query = query;
InitQuery(this.query);
return(Query.Load());
}
public void NestedBySubQuery()
{
OrderCollection collection = new OrderCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
// This is the same as the traditional nested SubQuery
// in the 'Nested' test, but is easier to construct
// and understand.
// The key is to start with the innermost SubQuery,
// and work your way out to the outermost Query.
// Employees whose LastName begins with 'S'.
EmployeeQuery eq = new EmployeeQuery("e");
eq.Select(eq.EmployeeID);
eq.Where(eq.LastName.Like("S%"));
// DateAdded for Customers whose Managers are in the
// EmployeeQuery above.
CustomerQuery cq = new CustomerQuery("c");
cq.Select(cq.DateAdded);
cq.Where(cq.Manager.In(eq));
// OrderID and CustID where the OrderDate is in the
// CustomerQuery above.
OrderQuery oq = new OrderQuery("o");
oq.Select(
oq.OrderID,
oq.CustID
);
oq.Where(oq.OrderDate.In(cq));
Assert.IsTrue(collection.Load(oq));
Assert.AreEqual(2, collection.Count);
}
public void MixedANDAndORInOn()
{
ProductCollection collection = new ProductCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
int empId = 1;
ProductQuery prd = new ProductQuery("pq");
OrderItemQuery item = new OrderItemQuery("oiq");
OrderQuery ord = new OrderQuery("oq");
CustomerQuery cust = new CustomerQuery("cq");
EmployeeQuery emp = new EmployeeQuery("eq");
prd.Select(prd.ProductID);
prd.InnerJoin(item).On(prd.ProductID == item.ProductID);
prd.InnerJoin(ord).On(item.OrderID == ord.OrderID);
prd.InnerJoin(cust).On(ord.CustID == cust.CustomerID &
(ord.CustSub == cust.CustomerSub |
ord.EmployeeID == cust.StaffAssigned));
prd.InnerJoin(emp).On(cust.Manager == emp.EmployeeID);
prd.Where(emp.EmployeeID == empId);
prd.Where(prd.Discontinued == false);
prd.OrderBy(prd.ProductID.Ascending);
Assert.IsTrue(collection.Load(prd));
Assert.AreEqual(9, collection.Count);
}
public void MultiExpression()
{
EmployeeCollection collection = new EmployeeCollection();
collection.es.Connection.ConnectionString =
UnitTestBase.GetFktString(collection.es.Connection);
EmployeeQuery eq = new EmployeeQuery("eq");
eq.Select(eq.EmployeeID, eq.Age,
((eq.Age + eq.Supervisor) / 3).As("SomeInt"));
eq.OrderBy(eq.EmployeeID, esOrderByDirection.Ascending);
Assert.IsTrue(collection.Load(eq));
object si = collection[0].GetColumn("SomeInt");
Assert.AreEqual(null, si);
int someInt = Convert.ToInt32(collection[1].GetColumn("SomeInt"));
Assert.AreEqual(7, someInt);
}
public void SingleUnionWithJoin()
{
CustomerCollection coll = new CustomerCollection();
coll.es.Connection.Name = "ForeignKeyTest";
CustomerQuery cq1 = new CustomerQuery("c1");
EmployeeQuery eq1 = new EmployeeQuery("e1");
cq1.Select(cq1.CustomerID, cq1.CustomerSub, cq1.CustomerName, eq1.LastName);
cq1.InnerJoin(eq1).On(cq1.Manager == eq1.EmployeeID);
cq1.Where(cq1.DateAdded.Between(Convert.ToDateTime("2005-01-01"), Convert.ToDateTime("2005-12-31")));
CustomerQuery cq2 = new CustomerQuery("c2");
EmployeeQuery eq2 = new EmployeeQuery("e2");
cq2.Select(cq2.CustomerID, cq2.CustomerSub, cq2.CustomerName, eq2.LastName);
cq2.InnerJoin(eq2).On(cq2.Manager == eq2.EmployeeID);
cq2.Where(cq2.DateAdded.Between(Convert.ToDateTime("2006-01-01"), Convert.ToDateTime("2006-12-31")));
cq1.Union(cq2);
cq1.OrderBy(cq1.CustomerID.Ascending, cq1.CustomerSub.Ascending);
//string lq = cq1.Parse();
Assert.IsTrue(coll.Load(cq1));
Assert.AreEqual(49, coll.Count);
Assert.AreEqual("Smith", coll[0].GetColumn("LastName"));
}