public static async Task BulkInserterDemo2()
{
string connStr;
//initialize table
using (var conn = LocalDB.GetLocalDB("BulkInserterDemo"))
{
var cmd = new SqlCommand(@"
IF OBJECT_id('dbo.Orders', 'U') IS NOT NULL
DROP TABLE dbo.Orders;
CREATE TABLE dbo.Orders
(
Id INT IDENTITY(1,1) NOT NULL,
Date DATETIME NOT NULL,
Value FLOAT NOT NULL,
CustomerName NVARCHAR(50) NOT NULL,
CustomerAge INT NOT NULL
)
", conn);
cmd.ExecuteNonQuery();
connStr = conn.ConnectionString;
}
var dbInserter = new DbBulkInserter <Order>(connStr, "dbo.Orders", DataflowOptions.Default, "OrderTarget");
dbInserter.Post(new Order {
OrderDate = DateTime.Now, OrderValue = 15, Customer = new Person()
{
Name = "Aaron", Age = 38
}
});
dbInserter.Post(new Order {
OrderDate = DateTime.Now, OrderValue = 25, Customer = new Person()
{
Name = "Bob", Age = 30
}
});
dbInserter.Post(new Order {
OrderDate = DateTime.Now, OrderValue = 35, Customer = new Person()
{
Age = 48
}
});
dbInserter.Post(new Order {
OrderDate = DateTime.Now, OrderValue = 45, Customer = new Person()
{
Name = "Neo"
}
});
await dbInserter.SignalAndWaitForCompletionAsync();
}
public async Task TestDoNoExpand2()
{
string connStr = ExternalMappingTest.CreatePeopleTable(4);
var dbInserter = new DbBulkInserter <PersonEx2>(connStr, "dbo.People", DataflowOptions.Default, "PersonTarget");
dbInserter.Post(new PersonEx2 {
Age = 10, Name = "Aaron", Me = new Person {
Age = 20, Name = "Bob"
}
});
await dbInserter.SignalAndWaitForCompletionAsync();
using (var conn = TestUtils.GetLocalDB("ExternalMappingTest4"))
{
Assert.AreEqual(1, conn.ExecuteScalar <int>("select count(*) from dbo.People"));
Assert.AreEqual(1, conn.ExecuteScalar <int>("select count(*) from dbo.People where NameCol = 'Bob'"));
Assert.AreEqual(1, conn.ExecuteScalar <int>("select count(*) from dbo.People where AgeCol = 20"));
}
}
public async Task TestOrderInsertion()
{
string connStr;
//initialize table
using (var conn = LocalDB.GetLocalDB("ExternalMappingTest"))
{
var cmd = new SqlCommand(@"
IF OBJECT_id('dbo.Orders', 'U') IS NOT NULL
DROP TABLE dbo.Orders;
CREATE TABLE dbo.Orders
(
Id INT IDENTITY(1,1) NOT NULL,
Date DATETIME NOT NULL,
Value FLOAT NOT NULL,
CustomerName NVARCHAR(50) NOT NULL,
CustomerAge INT NOT NULL
)
", conn);
cmd.ExecuteNonQuery();
connStr = conn.ConnectionString;
}
//will take effect
TypeAccessorConfig.RegisterMapping <Order, string>(p => p.Customer.Name, new DBColumnMapping("OrderTarget", "CustomerName", "N/A2"));
//will take effect
TypeAccessorConfig.RegisterMapping <Order, int?>(p => p.Customer.Age, new DBColumnMapping("OrderTarget", "CustomerAge", -99));
var dbInserter = new DbBulkInserter <Order>(connStr, "dbo.Orders", DataflowOptions.Default, "OrderTarget");
dbInserter.Post(new Order {
OrderDate = DateTime.Now, OrderValue = 15, Customer = new Person()
{
Name = "Aaron", Age = 38
}
});
dbInserter.Post(new Order {
OrderDate = DateTime.Now, OrderValue = 25, Customer = new Person()
{
Name = "Bob", Age = 30
}
});
dbInserter.Post(new Order {
OrderDate = DateTime.Now, OrderValue = 35, Customer = new Person()
{
Age = 48
}
});
dbInserter.Post(new Order {
OrderDate = DateTime.Now, OrderValue = 45, Customer = new Person()
{
Name = "Neo"
}
});
await dbInserter.SignalAndWaitForCompletionAsync();
using (var conn = LocalDB.GetLocalDB("ExternalMappingTest"))
{
Assert.AreEqual(4, conn.ExecuteScalar <int>("select count(*) from dbo.Orders"));
Assert.AreEqual(1, conn.ExecuteScalar <int>("select count(*) from dbo.Orders where CustomerAge = 48 and CustomerName = 'N/A2'"));
Assert.AreEqual(0, conn.ExecuteScalar <int>("select count(*) from dbo.Orders where CustomerName = 'N/A'"));
Assert.AreEqual(1, conn.ExecuteScalar <int>("select count(*) from dbo.Orders where CustomerName = 'Neo' and CustomerAge = -99"));
}
}
public async Task TestOrderInsertion()
{
string connStr;
//initialize table
using (var conn = LocalDB.GetLocalDB("ExternalMappingTest"))
{
var cmd = new SqlCommand(@"
IF OBJECT_id('dbo.Orders', 'U') IS NOT NULL
DROP TABLE dbo.Orders;
CREATE TABLE dbo.Orders
(
Id INT IDENTITY(1,1) NOT NULL,
Date DATETIME NOT NULL,
Value FLOAT NOT NULL,
CustomerName NVARCHAR(50) NOT NULL,
CustomerAge INT NOT NULL
)
", conn);
cmd.ExecuteNonQuery();
connStr = conn.ConnectionString;
}
//will take effect
TypeAccessorConfig.RegisterMapping<Order, string>(p => p.Customer.Name, new DBColumnMapping("OrderTarget", "CustomerName", "N/A2"));
//will take effect
TypeAccessorConfig.RegisterMapping<Order, int?>(p => p.Customer.Age, new DBColumnMapping("OrderTarget", "CustomerAge", -99));
var dbInserter = new DbBulkInserter<Order>(connStr, "dbo.Orders", DataflowOptions.Default, "OrderTarget", bulkSize: 3);
dbInserter.Post(new Order { OrderDate = DateTime.Now, OrderValue = 15, Customer = new Person() { Name = "Aaron", Age = 38 } });
dbInserter.Post(new Order { OrderDate = DateTime.Now, OrderValue = 25, Customer = new Person() { Name = "Bob", Age = 30 } });
dbInserter.Post(new Order { OrderDate = DateTime.Now, OrderValue = 35, Customer = new Person() { Age = 48 } });
dbInserter.Post(new Order { OrderDate = DateTime.Now, OrderValue = 45, Customer = new Person() { Name = "Neo" } });
await dbInserter.SignalAndWaitForCompletionAsync();
using (var conn = LocalDB.GetLocalDB("ExternalMappingTest"))
{
Assert.AreEqual(4, conn.ExecuteScalar<int>("select count(*) from dbo.Orders"));
Assert.AreEqual(1, conn.ExecuteScalar<int>("select count(*) from dbo.Orders where CustomerAge = 48 and CustomerName = 'N/A2'"));
Assert.AreEqual(0, conn.ExecuteScalar<int>("select count(*) from dbo.Orders where CustomerName = 'N/A'"));
Assert.AreEqual(1, conn.ExecuteScalar<int>("select count(*) from dbo.Orders where CustomerName = 'Neo' and CustomerAge = -99"));
}
}
public static async Task BulkInserterDemo2()
{
string connStr;
//initialize table
using (var conn = LocalDB.GetLocalDB("BulkInserterDemo"))
{
var cmd = new SqlCommand(@"
IF OBJECT_id('dbo.Orders', 'U') IS NOT NULL
DROP TABLE dbo.Orders;
CREATE TABLE dbo.Orders
(
Id INT IDENTITY(1,1) NOT NULL,
Date DATETIME NOT NULL,
Value FLOAT NOT NULL,
CustomerName NVARCHAR(50) NOT NULL,
CustomerAge INT NOT NULL
)
", conn);
cmd.ExecuteNonQuery();
connStr = conn.ConnectionString;
}
var dbInserter = new DbBulkInserter<Order>(connStr, "dbo.Orders", DataflowOptions.Default, "OrderTarget");
dbInserter.Post(new Order {OrderDate = DateTime.Now, OrderValue = 15, Customer = new Person() {Name = "Aaron", Age = 38}});
dbInserter.Post(new Order {OrderDate = DateTime.Now, OrderValue = 25, Customer = new Person() {Name = "Bob", Age = 30}});
dbInserter.Post(new Order {OrderDate = DateTime.Now, OrderValue = 35, Customer = new Person() {Age = 48}});
dbInserter.Post(new Order {OrderDate = DateTime.Now, OrderValue = 45, Customer = new Person() {Name = "Neo"}});
await dbInserter.SignalAndWaitForCompletionAsync();
}