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SqlQuery produces incorrect SQL when similar IN clauses used #9

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jcomet opened this issue Jan 11, 2010 · 0 comments
Open

SqlQuery produces incorrect SQL when similar IN clauses used #9

jcomet opened this issue Jan 11, 2010 · 0 comments

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@jcomet
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jcomet commented Jan 11, 2010

Consider this example that references two tables, Employee and Employee_Role (linking table)

SqlQuery q2 = new Select()
.From(Employee.Schema)
.Where(Employee.IDColumn).In(
new Select(Employee_Role.EmployeeIDColumn)
.From(Employee_Role.Schema)
.Where(Employee_Role.RoleIDColumn).IsEqualTo(3))
.And(Employee.IDColumn).In(
new Select(Employee_Role.EmployeeIDColumn)
.From(Employee_Role.Schema)
.Where(Employee_Role.RoleIDColumn).IsEqualTo(1));

The resulting SQL looks like this:

{SELECT [dbo].[Employee].[ID], [dbo].[Employee].[LastName], [dbo].[Employee].[FirstName], [dbo].[Employee].[MidName], [dbo].[Employee].[CommonName], [dbo].[Employee].[DepartmentNumber], [dbo].[Employee].[EmployeeNumber], [dbo].[Employee].[ManagerEmployeeNumber], [dbo].[Employee].[NetworkName], [dbo].[Employee].[Email], [dbo].[Employee].[HireDate], [dbo].[Employee].[EmploymentStatusID]

FROM [dbo].[Employee]
WHERE [dbo].[Employee].[ID] IN (SELECT [dbo].[Employee_Role].[EmployeeID]
FROM [dbo].[Employee_Role]
WHERE [dbo].[Employee_Role].[RoleID] = @RoleID0
)
AND [dbo].[Employee].[ID] IN (SELECT [dbo].[Employee_Role].[EmployeeID]
FROM [dbo].[Employee_Role]
WHERE [dbo].[Employee_Role].[RoleID] = @RoleID0
)
}

Notice how both subselects get the same parameter reference, @RoleID0, instead of @RoleID0 and @RoleID1.

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