Last active
July 7, 2016 11:26
-
-
Save FransBouma/0f2d71c85e7784422a84007158579bb9 to your computer and use it in GitHub Desktop.
Table/view hint specification in LLBLGen Pro v5.1 Linq queries
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
[Test] | |
public void TwoHintOnJoinedElementTest() | |
{ | |
using(var adapter = new SqlReadDataAccessAdapter()) | |
{ | |
var metaData = new LinqMetaData(adapter); | |
var q = from c in metaData.Customer | |
.WithHint("NOLOCK") | |
.WithHint("FORCESEEK") | |
join o in metaData.Order on c.CustomerId equals o.CustomerId | |
where o.EmployeeId > 4 | |
select c; | |
var results = q.ToList(); | |
Assert.AreEqual(83, results.Count); | |
var expectedQuery = "SELECT DISTINCT [LPA_L1].[Address], [LPA_L1].[City], [LPA_L1].[CompanyName], [LPA_L1].[ContactName], [LPA_L1].[ContactTitle], [LPA_L1].[Country], [LPA_L1].[CustomerID] AS [CustomerId], [LPA_L1].[Fax], [LPA_L1].[Phone], [LPA_L1].[PostalCode], [LPA_L1].[Region] FROM ( [Northwind].[dbo].[Customers] [LPA_L1] WITH(NOLOCK, FORCESEEK) INNER JOIN [Northwind].[dbo].[Orders] [LPA_L2] ON [LPA_L1].[CustomerID] = [LPA_L2].[CustomerID]) WHERE ( ( ( [LPA_L2].[EmployeeID] > @p1)))"; | |
Assert.AreEqual(expectedQuery, adapter.LastGeneratedCommand.CommandText); | |
} | |
} | |
[Test] | |
public void TwoHintOnJoinedElementWithHintOnQueryableTest() | |
{ | |
using(var adapter = new SqlReadDataAccessAdapter()) | |
{ | |
var metaData = new LinqMetaData(adapter); | |
var q = from c in metaData.Customer | |
.WithHint("NOLOCK") | |
.WithHint("FORCESEEK") | |
join o in metaData.Order.Where(x=>x.OrderId>10).WithHint("NOLOCK") on c.CustomerId equals o.CustomerId | |
where o.EmployeeId > 4 | |
select c; | |
var results = q.ToList(); | |
Assert.AreEqual(83, results.Count); | |
var expectedQuery = "SELECT DISTINCT [LPA_L1].[Address], [LPA_L1].[City], [LPA_L1].[CompanyName], [LPA_L1].[ContactName], [LPA_L1].[ContactTitle], [LPA_L1].[Country], [LPA_L1].[CustomerID] AS [CustomerId], [LPA_L1].[Fax], [LPA_L1].[Phone], [LPA_L1].[PostalCode], [LPA_L1].[Region] FROM ( [Northwind].[dbo].[Customers] [LPA_L1] WITH(NOLOCK, FORCESEEK) INNER JOIN [Northwind].[dbo].[Orders] [LPA_L2] WITH(NOLOCK) ON [LPA_L1].[CustomerID] = [LPA_L2].[CustomerID]) WHERE ( ( ( ( [LPA_L2].[OrderID] > @p1)) AND ( [LPA_L2].[EmployeeID] > @p2)))"; | |
Assert.AreEqual(expectedQuery, adapter.LastGeneratedCommand.CommandText); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment