// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using Xunit;

namespace EntityFramework.Jet.FunctionalTests.Query
{
    public partial class SimpleQueryJetTest
    {
        public override void Projection_when_arithmetic_expression_precendence()
        {
            base.Projection_when_arithmetic_expression_precendence();

            AssertSql(
                @"SELECT [o].[OrderID] / ([o].[OrderID] / 2) AS [A], ([o].[OrderID] / [o].[OrderID]) / 2 AS [B]
FROM [Orders] AS [o]");
        }

        public override void Projection_when_arithmetic_expressions()
        {
            base.Projection_when_arithmetic_expressions();

            AssertSql(
                @"SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Orders] AS [o]");
        }

        public override void Projection_when_arithmetic_mixed()
        {
            base.Projection_when_arithmetic_mixed();

            AssertSql(
                @"@__p_0='10'

SELECT [t].[OrderID], [t].[CustomerID], [t].[EmployeeID], [t].[OrderDate], [t0].[EmployeeID], [t0].[City], [t0].[Country], [t0].[FirstName], [t0].[ReportsTo], [t0].[Title]
FROM (
    SELECT TOP @__p_0 [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
    FROM [Orders] AS [o]
    ORDER BY [o].[OrderID]
) AS [t]
, (
    SELECT TOP(5) [e].[EmployeeID], [e].[City], [e].[Country], [e].[FirstName], [e].[ReportsTo], [e].[Title]
    FROM [Employees] AS [e]
    ORDER BY [e].[EmployeeID]
) AS [t0]");
        }

        public override void Projection_when_arithmetic_mixed_subqueries()
        {
            base.Projection_when_arithmetic_mixed_subqueries();

            AssertSql(
                @"@__p_0='3'

SELECT [t].[OrderID], [t].[CustomerID], [t].[EmployeeID], [t].[OrderDate]
FROM (
    SELECT TOP @__p_0 [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
    FROM [Orders] AS [o]
    ORDER BY [o].[OrderID]
) AS [t]",
                //
                @"SELECT TOP 2 [e0].[EmployeeID], [e0].[City], [e0].[Country], [e0].[FirstName], [e0].[ReportsTo], [e0].[Title]
FROM [Employees] AS [e0]
ORDER BY [e0].[EmployeeID]",
                //
                @"SELECT TOP 2 [e0].[EmployeeID], [e0].[City], [e0].[Country], [e0].[FirstName], [e0].[ReportsTo], [e0].[Title]
FROM [Employees] AS [e0]
ORDER BY [e0].[EmployeeID]",
                //
                @"SELECT TOP 2 [e0].[EmployeeID], [e0].[City], [e0].[Country], [e0].[FirstName], [e0].[ReportsTo], [e0].[Title]
FROM [Employees] AS [e0]
ORDER BY [e0].[EmployeeID]");
        }

        public override void Projection_when_null_value()
        {
            base.Projection_when_null_value();

            AssertSql(
                @"SELECT [c].[Region]
FROM [Customers] AS [c]");
        }

        public override void Projection_when_client_evald_subquery()
        {
            base.Projection_when_client_evald_subquery();

            AssertSql(
                @"SELECT [c].[CustomerID]
FROM [Customers] AS [c]
ORDER BY [c].[CustomerID]",
                //
                @"SELECT [t].[CustomerID], [c.Orders].[CustomerID]
FROM [Orders] AS [c.Orders]
INNER JOIN (
    SELECT [c0].[CustomerID]
    FROM [Customers] AS [c0]
) AS [t] ON [c.Orders].[CustomerID] = [t].[CustomerID]
ORDER BY [t].[CustomerID]");
        }

        public override void Project_to_object_array()
        {
            base.Project_to_object_array();

            AssertSql(
                @"SELECT [e].[EmployeeID], [e].[ReportsTo], [e].[Title]
FROM [Employees] AS [e]
WHERE [e].[EmployeeID] = 1");
        }

        public override void Project_to_int_array()
        {
            base.Project_to_int_array();

            AssertSql(
                @"SELECT [e].[EmployeeID], [e].[ReportsTo]
FROM [Employees] AS [e]
WHERE [e].[EmployeeID] = 1");
        }

        public override void Select_scalar()
        {
            base.Select_scalar();

            AssertSql(
                @"SELECT [c].[City]
FROM [Customers] AS [c]");
        }

        public override void Select_anonymous_one()
        {
            base.Select_anonymous_one();

            AssertSql(
                @"SELECT [c].[City]
FROM [Customers] AS [c]");
        }

        public override void Select_anonymous_two()
        {
            base.Select_anonymous_two();

            AssertSql(
                @"SELECT [c].[City], [c].[Phone]
FROM [Customers] AS [c]");
        }

        public override void Select_anonymous_three()
        {
            base.Select_anonymous_three();

            AssertSql(
                @"SELECT [c].[City], [c].[Phone], [c].[Country]
FROM [Customers] AS [c]");
        }

        public override void Select_anonymous_bool_constant_true()
        {
            base.Select_anonymous_bool_constant_true();

            AssertSql(
                @"SELECT [c].[CustomerID]
FROM [Customers] AS [c]");
        }

        public override void Select_anonymous_constant_in_expression()
        {
            base.Select_anonymous_constant_in_expression();

            AssertSql(
                @"SELECT [c].[CustomerID], CAST(LEN([c].[CustomerID]) AS int) + 5 AS [Expression]
FROM [Customers] AS [c]");
        }

#if !Test20
        public override void Select_anonymous_conditional_expression()
        {
            base.Select_anonymous_conditional_expression();

            AssertSql(
                @"SELECT [p].[ProductID], CASE
    WHEN [p].[UnitsInStock] > CAST(0 AS smallint)
    THEN CAST(1 AS BIT) ELSE CAST(0 AS BIT)
END AS [IsAvailable]
FROM [Products] AS [p]");
        }
#endif

        public override void Select_constant_int()
        {
            base.Select_constant_int();

            AssertSql(
                @"SELECT 1
FROM [Customers] AS [c]");
        }

        public override void Select_constant_null_string()
        {
            base.Select_constant_null_string();

            AssertSql(
                @"SELECT 1
FROM [Customers] AS [c]");
        }

        public override void Select_local()
        {
            base.Select_local();

            AssertSql(
                @"@__x_0='10'

SELECT @__x_0
FROM [Customers] AS [c]");
        }

        public override void Select_scalar_primitive_after_take()
        {
            base.Select_scalar_primitive_after_take();

            AssertSql(
                @"@__p_0='9'

SELECT TOP @__p_0 [e].[EmployeeID]
FROM [Employees] AS [e]");
        }

        public override void Select_project_filter()
        {
            base.Select_project_filter();

            AssertSql(
                @"SELECT [c].[CompanyName]
FROM [Customers] AS [c]
WHERE [c].[City] = 'London'");
        }

        public override void Select_project_filter2()
        {
            base.Select_project_filter2();

            AssertSql(
                @"SELECT [c].[City]
FROM [Customers] AS [c]
WHERE [c].[City] = 'London'");
        }

        public override void Select_nested_collection()
        {
            base.Select_nested_collection();

            AssertSql(
                @"SELECT [c].[CustomerID]
FROM [Customers] AS [c]
WHERE [c].[City] = 'London'
ORDER BY [c].[CustomerID]",
                //
                @"@_outer_CustomerID='AROUT' (Nullable = false) (Size = 5)

SELECT [o].[OrderID]
FROM [Orders] AS [o]
WHERE ([o].[CustomerID] = @_outer_CustomerID) AND (DatePart('yyyy', [o].[OrderDate]) = 1997)
ORDER BY [o].[OrderID]",
                //
                @"@_outer_CustomerID='BSBEV' (Nullable = false) (Size = 5)

SELECT [o].[OrderID]
FROM [Orders] AS [o]
WHERE ([o].[CustomerID] = @_outer_CustomerID) AND (DatePart('yyyy', [o].[OrderDate]) = 1997)
ORDER BY [o].[OrderID]",
                //
                @"@_outer_CustomerID='CONSH' (Nullable = false) (Size = 5)

SELECT [o].[OrderID]
FROM [Orders] AS [o]
WHERE ([o].[CustomerID] = @_outer_CustomerID) AND (DatePart('yyyy', [o].[OrderDate]) = 1997)
ORDER BY [o].[OrderID]",
                //
                @"@_outer_CustomerID='EASTC' (Nullable = false) (Size = 5)

SELECT [o].[OrderID]
FROM [Orders] AS [o]
WHERE ([o].[CustomerID] = @_outer_CustomerID) AND (DatePart('yyyy', [o].[OrderDate]) = 1997)
ORDER BY [o].[OrderID]",
                //
                @"@_outer_CustomerID='NORTS' (Nullable = false) (Size = 5)

SELECT [o].[OrderID]
FROM [Orders] AS [o]
WHERE ([o].[CustomerID] = @_outer_CustomerID) AND (DatePart('yyyy', [o].[OrderDate]) = 1997)
ORDER BY [o].[OrderID]",
                //
                @"@_outer_CustomerID='SEVES' (Nullable = false) (Size = 5)

SELECT [o].[OrderID]
FROM [Orders] AS [o]
WHERE ([o].[CustomerID] = @_outer_CustomerID) AND (DatePart('yyyy', [o].[OrderDate]) = 1997)
ORDER BY [o].[OrderID]");
        }

        public override void Select_nested_collection_multi_level()
        {
            base.Select_nested_collection_multi_level();

            AssertSql(
                @"SELECT [c].[CustomerID]
FROM [Customers] AS [c]
WHERE [c].[CustomerID] LIKE 'A' + '%'",
                //
                @"@_outer_CustomerID='ALFKI' (Nullable = false) (Size = 5)

SELECT TOP 3 [o].[OrderDate] AS [Date]
FROM [Orders] AS [o]
WHERE ([o].[OrderID] < 10500) AND (@_outer_CustomerID = [o].[CustomerID])",
                //
                @"@_outer_CustomerID='ANATR' (Nullable = false) (Size = 5)

SELECT TOP 3 [o].[OrderDate] AS [Date]
FROM [Orders] AS [o]
WHERE ([o].[OrderID] < 10500) AND (@_outer_CustomerID = [o].[CustomerID])",
                //
                @"@_outer_CustomerID='ANTON' (Nullable = false) (Size = 5)

SELECT TOP 3 [o].[OrderDate] AS [Date]
FROM [Orders] AS [o]
WHERE ([o].[OrderID] < 10500) AND (@_outer_CustomerID = [o].[CustomerID])",
                //
                @"@_outer_CustomerID='AROUT' (Nullable = false) (Size = 5)

SELECT TOP 3 [o].[OrderDate] AS [Date]
FROM [Orders] AS [o]
WHERE ([o].[OrderID] < 10500) AND (@_outer_CustomerID = [o].[CustomerID])");
        }

        public override void Select_nested_collection_multi_level2()
        {
            base.Select_nested_collection_multi_level2();

            AssertSql(
                @"SELECT (
    SELECT TOP 1 [o].[OrderDate]
    FROM [Orders] AS [o]
    WHERE ([o].[OrderID] < 10500) AND ([c].[CustomerID] = [o].[CustomerID])
) AS [OrderDates]
FROM [Customers] AS [c]
WHERE [c].[CustomerID] LIKE 'A' + '%'");
        }

        public override void Select_nested_collection_multi_level3()
        {
            base.Select_nested_collection_multi_level3();

            AssertSql(
                @"SELECT (
    SELECT TOP 1 [o].[OrderDate]
    FROM [Orders] AS [o]
    WHERE ([o].[OrderID] < 10500) AND ([c].[CustomerID] = [o].[CustomerID])
) AS [OrderDates]
FROM [Customers] AS [c]
WHERE [c].[CustomerID] LIKE 'A' + '%'");
        }

        public override void Select_nested_collection_multi_level4()
        {
            base.Select_nested_collection_multi_level4();

            AssertSql(
                @"SELECT COALESCE((
    SELECT TOP 1 (
        SELECT COUNT(*)
        FROM [Order Details] AS [od]
        WHERE ([od].[OrderID] > 10) AND ([o].[OrderID] = [od].[OrderID])
    )
    FROM [Orders] AS [o]
    WHERE ([o].[OrderID] < 10500) AND ([c].[CustomerID] = [o].[CustomerID])
), 0) AS [Order]
FROM [Customers] AS [c]
WHERE [c].[CustomerID] LIKE 'A' + '%'");
        }

        public override void Select_nested_collection_multi_level5()
        {
            base.Select_nested_collection_multi_level5();

            AssertSql(
                @"SELECT COALESCE((
    SELECT TOP 1 (
        SELECT TOP 1 [od].[ProductID]
        FROM [Order Details] AS [od]
        WHERE ([od].[OrderID] <> (
            SELECT COUNT(*)
            FROM [Orders] AS [o0]
            WHERE [c].[CustomerID] = [o0].[CustomerID]
        )) AND ([o].[OrderID] = [od].[OrderID])
    )
    FROM [Orders] AS [o]
    WHERE ([o].[OrderID] < 10500) AND ([c].[CustomerID] = [o].[CustomerID])
), 0) AS [Order]
FROM [Customers] AS [c]
WHERE [c].[CustomerID] LIKE 'A' + '%'");
        }

        public override void Select_nested_collection_multi_level6()
        {
            base.Select_nested_collection_multi_level6();

            AssertSql(
                @"SELECT COALESCE((
    SELECT TOP 1 (
        SELECT TOP 1 [od].[ProductID]
        FROM [Order Details] AS [od]
        WHERE ([od].[OrderID] <> CAST(LEN([c].[CustomerID]) AS int)) AND ([o].[OrderID] = [od].[OrderID])
    )
    FROM [Orders] AS [o]
    WHERE ([o].[OrderID] < 10500) AND ([c].[CustomerID] = [o].[CustomerID])
), 0) AS [Order]
FROM [Customers] AS [c]
WHERE [c].[CustomerID] LIKE 'A' + '%'");
        }

        public override void Select_nested_collection_count_using_anonymous_type()
        {
            base.Select_nested_collection_count_using_anonymous_type();

            AssertSql(
                @"SELECT (
    SELECT COUNT(*)
    FROM [Orders] AS [o]
    WHERE [c].[CustomerID] = [o].[CustomerID]
) AS [Count]
FROM [Customers] AS [c]
WHERE [c].[CustomerID] LIKE 'A' + '%'");
        }

        public override void New_date_time_in_anonymous_type_works()
        {
            base.New_date_time_in_anonymous_type_works();

            AssertSql(
                @"SELECT 1
FROM [Customers] AS [c]
WHERE [c].[CustomerID] LIKE 'A' + '%'");
        }

        public override void Select_non_matching_value_types_int_to_long_introduces_explicit_cast()
        {
            base.Select_non_matching_value_types_int_to_long_introduces_explicit_cast();

            AssertSql(
                @"SELECT CAST([o].[OrderID] AS bigint)
FROM [Orders] AS [o]
WHERE [o].[CustomerID] = 'ALFKI'
ORDER BY [o].[OrderID]");
        }

        public override void Select_non_matching_value_types_nullable_int_to_long_introduces_explicit_cast()
        {
            base.Select_non_matching_value_types_nullable_int_to_long_introduces_explicit_cast();

            AssertSql(
                @"SELECT CAST([o].[EmployeeID] AS bigint)
FROM [Orders] AS [o]
WHERE [o].[CustomerID] = 'ALFKI'
ORDER BY [o].[OrderID]");
        }

        public override void Select_non_matching_value_types_nullable_int_to_int_doesnt_introduce_explicit_cast()
        {
            base.Select_non_matching_value_types_nullable_int_to_int_doesnt_introduce_explicit_cast();

            AssertSql(
                @"SELECT [o].[EmployeeID]
FROM [Orders] AS [o]
WHERE [o].[CustomerID] = 'ALFKI'
ORDER BY [o].[OrderID]");
        }

        public override void Select_non_matching_value_types_int_to_nullable_int_doesnt_introduce_explicit_cast()
        {
            base.Select_non_matching_value_types_int_to_nullable_int_doesnt_introduce_explicit_cast();

            AssertSql(
                @"SELECT [o].[OrderID]
FROM [Orders] AS [o]
WHERE [o].[CustomerID] = 'ALFKI'
ORDER BY [o].[OrderID]");
        }

        public override void Select_non_matching_value_types_from_binary_expression_introduces_explicit_cast()
        {
            base.Select_non_matching_value_types_from_binary_expression_introduces_explicit_cast();

            AssertSql(
                @"SELECT CAST([o].[OrderID] + [o].[OrderID] AS bigint)
FROM [Orders] AS [o]
WHERE [o].[CustomerID] = 'ALFKI'
ORDER BY [o].[OrderID]");
        }

        public override void Select_non_matching_value_types_from_binary_expression_nested_introduces_top_level_explicit_cast()
        {
            base.Select_non_matching_value_types_from_binary_expression_nested_introduces_top_level_explicit_cast();

            AssertSql(
                @"SELECT CAST([o].[OrderID] + [o].[OrderID] AS smallint)
FROM [Orders] AS [o]
WHERE [o].[CustomerID] = 'ALFKI'
ORDER BY [o].[OrderID]");
        }

        public override void Select_non_matching_value_types_from_unary_expression_introduces_explicit_cast1()
        {
            base.Select_non_matching_value_types_from_unary_expression_introduces_explicit_cast1();

            AssertSql(
                @"SELECT CAST(-[o].[OrderID] AS bigint)
FROM [Orders] AS [o]
WHERE [o].[CustomerID] = 'ALFKI'
ORDER BY [o].[OrderID]");
        }

        public override void Select_non_matching_value_types_from_unary_expression_introduces_explicit_cast2()
        {
            base.Select_non_matching_value_types_from_unary_expression_introduces_explicit_cast2();

            AssertSql(
                @"SELECT -CAST([o].[OrderID] AS bigint)
FROM [Orders] AS [o]
WHERE [o].[CustomerID] = 'ALFKI'
ORDER BY [o].[OrderID]");
        }

        public override void Select_non_matching_value_types_from_length_introduces_explicit_cast()
        {
            base.Select_non_matching_value_types_from_length_introduces_explicit_cast();

            AssertSql(
                @"SELECT CAST(CAST(LEN([o].[CustomerID]) AS int) AS bigint)
FROM [Orders] AS [o]
WHERE [o].[CustomerID] = 'ALFKI'
ORDER BY [o].[OrderID]");
        }

        public override void Select_non_matching_value_types_from_method_call_introduces_explicit_cast()
        {
            base.Select_non_matching_value_types_from_method_call_introduces_explicit_cast();

            AssertSql(
                @"SELECT CAST(ABS([o].[OrderID]) AS bigint)
FROM [Orders] AS [o]
WHERE [o].[CustomerID] = 'ALFKI'
ORDER BY [o].[OrderID]");
        }

        public override void Select_non_matching_value_types_from_anonymous_type_introduces_explicit_cast()
        {
            base.Select_non_matching_value_types_from_anonymous_type_introduces_explicit_cast();

            AssertSql(
                @"SELECT CAST([o].[OrderID] AS bigint) AS [LongOrder], CAST([o].[OrderID] AS smallint) AS [ShortOrder], [o].[OrderID] AS [Order]
FROM [Orders] AS [o]
WHERE [o].[CustomerID] = 'ALFKI'
ORDER BY [Order]");
        }

        public override void Select_conditional_with_null_comparison_in_test()
        {
            base.Select_conditional_with_null_comparison_in_test();

            AssertSql(
                @"SELECT CASE
    WHEN [o].[CustomerID] IS NULL OR ([o].[CustomerID] IS NOT NULL AND ([o].[OrderID] < 100))
    THEN CAST(1 AS BIT) ELSE CAST(0 AS BIT)
END
FROM [Orders] AS [o]
WHERE [o].[CustomerID] = 'ALFKI'");
        }

        public override void Projection_in_a_subquery_should_be_liftable()
        {
            base.Projection_in_a_subquery_should_be_liftable();

            AssertSql(
                @"@__p_0='1'

SELECT [e].[EmployeeID]
FROM [Employees] AS [e]
ORDER BY [e].[EmployeeID]
OFFSET @__p_0 ROWS");
        }

#if !Test20
        public override void Projection_containing_DateTime_subtraction()
        {
            base.Projection_containing_DateTime_subtraction();

            AssertSql(
                @"SELECT [o].[OrderDate]
FROM [Orders] AS [o]
WHERE [o].[OrderID] < 10300");
        }
#endif

        public override void Project_single_element_from_collection_with_OrderBy_Take_and_FirstOrDefault()
        {
            base.Project_single_element_from_collection_with_OrderBy_Take_and_FirstOrDefault();

            AssertSql(
                @"SELECT (
    SELECT TOP 1 [t].[CustomerID]
    FROM (
        SELECT TOP 1 [o].[CustomerID], [o].[OrderID]
        FROM [Orders] AS [o]
        WHERE [c].[CustomerID] = [o].[CustomerID]
        ORDER BY [o].[OrderID]
    ) AS [t]
    ORDER BY [t].[OrderID]
)
FROM [Customers] AS [c]");
        }

        public override void Project_single_element_from_collection_with_OrderBy_Skip_and_FirstOrDefault()
        {
            base.Project_single_element_from_collection_with_OrderBy_Skip_and_FirstOrDefault();

            AssertSql(
                @"SELECT (
    SELECT [o].[CustomerID]
    FROM [Orders] AS [o]
    WHERE [c].[CustomerID] = [o].[CustomerID]
    ORDER BY [o].[OrderID]
    OFFSET 1 ROWS FETCH NEXT 1 ROWS ONLY
)
FROM [Customers] AS [c]");
        }

        public override void Project_single_element_from_collection_with_OrderBy_Distinct_and_FirstOrDefault()
        {
            base.Project_single_element_from_collection_with_OrderBy_Distinct_and_FirstOrDefault();

            AssertSql(
                @"SELECT (
    SELECT DISTINCT TOP 1 [o].[CustomerID]
    FROM [Orders] AS [o]
    WHERE [c].[CustomerID] = [o].[CustomerID]
)
FROM [Customers] AS [c]");
        }

        public override void Project_single_element_from_collection_with_OrderBy_Take_and_SingleOrDefault()
        {
            base.Project_single_element_from_collection_with_OrderBy_Take_and_SingleOrDefault();

            AssertSql(
                @"SELECT [c].[CustomerID]
FROM [Customers] AS [c]
WHERE [c].[CustomerID] = 'ALFKI'",
                //
                @"@_outer_CustomerID='ALFKI' (Nullable = false) (Size = 5)

SELECT TOP 2 [t0].[CustomerID]
FROM (
    SELECT TOP 1 [o0].[CustomerID], [o0].[OrderID]
    FROM [Orders] AS [o0]
    WHERE @_outer_CustomerID = [o0].[CustomerID]
    ORDER BY [o0].[OrderID]
) AS [t0]
ORDER BY [t0].[OrderID]");
        }

        public override void Project_single_element_from_collection_with_OrderBy_Take_and_FirstOrDefault_with_parameter()
        {
            base.Project_single_element_from_collection_with_OrderBy_Take_and_FirstOrDefault_with_parameter();

            AssertSql(
                @"@__i_0='1'

SELECT (
    SELECT TOP 1 [t].[CustomerID]
    FROM (
        SELECT TOP(@__i_0) [o].[CustomerID], [o].[OrderID]
        FROM [Orders] AS [o]
        WHERE [c].[CustomerID] = [o].[CustomerID]
        ORDER BY [o].[OrderID]
    ) AS [t]
    ORDER BY [t].[OrderID]
)
FROM [Customers] AS [c]");
        }

        public override void Project_single_element_from_collection_with_multiple_OrderBys_Take_and_FirstOrDefault()
        {
            base.Project_single_element_from_collection_with_multiple_OrderBys_Take_and_FirstOrDefault();

            AssertSql(
                @"SELECT (
    SELECT TOP 1 [t].[CustomerID]
    FROM (
        SELECT TOP 2 [o].[CustomerID], [o].[OrderID], [o].[OrderDate]
        FROM [Orders] AS [o]
        WHERE [c].[CustomerID] = [o].[CustomerID]
        ORDER BY [o].[OrderID], [o].[OrderDate] DESC
    ) AS [t]
    ORDER BY [t].[OrderID], [t].[OrderDate] DESC
)
FROM [Customers] AS [c]");
        }

        public override void Project_single_element_from_collection_with_multiple_OrderBys_Take_and_FirstOrDefault_2()
        {
            base.Project_single_element_from_collection_with_multiple_OrderBys_Take_and_FirstOrDefault_2();

            AssertSql(
                @"SELECT (
    SELECT TOP 1 [t].[CustomerID]
    FROM (
        SELECT TOP 2 [o].[CustomerID], [o].[OrderDate]
        FROM [Orders] AS [o]
        WHERE [c].[CustomerID] = [o].[CustomerID]
        ORDER BY [o].[CustomerID], [o].[OrderDate] DESC
    ) AS [t]
    ORDER BY [t].[CustomerID], [t].[OrderDate] DESC
)
FROM [Customers] AS [c]");
        }

        public override void Project_single_element_from_collection_with_OrderBy_over_navigation_Take_and_FirstOrDefault()
        {
            base.Project_single_element_from_collection_with_OrderBy_over_navigation_Take_and_FirstOrDefault();

            AssertSql(
                @"SELECT COALESCE((
    SELECT TOP 1 [t].[OrderID]
    FROM (
        SELECT TOP 1 [od].[OrderID], [od.Product].[ProductName]
        FROM [Order Details] AS [od]
        INNER JOIN [Products] AS [od.Product] ON [od].[ProductID] = [od.Product].[ProductID]
        WHERE [o].[OrderID] = [od].[OrderID]
        ORDER BY [od.Product].[ProductName]
    ) AS [t]
    ORDER BY [t].[ProductName]
), 0)
FROM [Orders] AS [o]
WHERE [o].[OrderID] < 10300");
        }

        public override void Project_single_element_from_collection_with_OrderBy_over_navigation_Take_and_FirstOrDefault_2()
        {
            base.Project_single_element_from_collection_with_OrderBy_over_navigation_Take_and_FirstOrDefault_2();

            AssertSql(
                @"SELECT [o].[OrderID]
FROM [Orders] AS [o]
WHERE [o].[OrderID] < 10250",
                //
                @"@_outer_OrderID='10248'

SELECT TOP 1 [t].*
FROM (
    SELECT TOP 1 [od].[OrderID], [od].[ProductID], [od].[Discount], [od].[Quantity], [od].[UnitPrice], [od.Product].[ProductName]
    FROM [Order Details] AS [od]
    INNER JOIN [Products] AS [od.Product] ON [od].[ProductID] = [od.Product].[ProductID]
    WHERE @_outer_OrderID = [od].[OrderID]
    ORDER BY [od.Product].[ProductName]
) AS [t]
ORDER BY [t].[ProductName]",
                //
                @"@_outer_OrderID='10249'

SELECT TOP 1 [t].*
FROM (
    SELECT TOP 1 [od].[OrderID], [od].[ProductID], [od].[Discount], [od].[Quantity], [od].[UnitPrice], [od.Product].[ProductName]
    FROM [Order Details] AS [od]
    INNER JOIN [Products] AS [od.Product] ON [od].[ProductID] = [od.Product].[ProductID]
    WHERE @_outer_OrderID = [od].[OrderID]
    ORDER BY [od.Product].[ProductName]
) AS [t]
ORDER BY [t].[ProductName]");
        }

        public override void Select_datetime_year_component()
        {
            base.Select_datetime_year_component();

            AssertSql(
                @"SELECT DatePart('yyyy', [o].[OrderDate])
FROM [Orders] AS [o]");
        }

        public override void Select_datetime_month_component()
        {
            base.Select_datetime_month_component();

            AssertSql(
                @"SELECT DatePart('m', [o].[OrderDate])
FROM [Orders] AS [o]");
        }

        public override void Select_datetime_day_of_year_component()
        {
            base.Select_datetime_day_of_year_component();

            AssertSql(
                @"SELECT DATEPART(dayofyear, [o].[OrderDate])
FROM [Orders] AS [o]");
        }

        public override void Select_datetime_day_component()
        {
            base.Select_datetime_day_component();

            AssertSql(
                @"SELECT DatePart('d', [o].[OrderDate])
FROM [Orders] AS [o]");
        }

        public override void Select_datetime_hour_component()
        {
            base.Select_datetime_hour_component();

            AssertSql(
                @"SELECT DatePart('h', [o].[OrderDate])
FROM [Orders] AS [o]");
        }

        public override void Select_datetime_minute_component()
        {
            base.Select_datetime_minute_component();

            AssertSql(
                @"SELECT DatePart('n', [o].[OrderDate])
FROM [Orders] AS [o]");
        }

        public override void Select_datetime_second_component()
        {
            base.Select_datetime_second_component();

            AssertSql(
                @"SELECT DatePart('s', [o].[OrderDate])
FROM [Orders] AS [o]");
        }

        [Fact(Skip = "JET does not support milliseconds in DateTime")]
        public override void Select_datetime_millisecond_component()
        {
            base.Select_datetime_millisecond_component();

            AssertSql(
                @"SELECT DATEPART(millisecond, [o].[OrderDate])
FROM [Orders] AS [o]");
        }

#if !Test20
        public override void Select_byte_constant()
        {
            base.Select_byte_constant();

            AssertSql(
                @"SELECT CASE
    WHEN [c].[CustomerID] = 'ALFKI'
    THEN CAST(1 AS tinyint) ELSE CAST(2 AS tinyint)
END
FROM [Customers] AS [c]");
        }

        public override void Select_short_constant()
        {
            base.Select_short_constant();

            AssertSql(
                @"SELECT CASE
    WHEN [c].[CustomerID] = 'ALFKI'
    THEN CAST(1 AS smallint) ELSE CAST(2 AS smallint)
END
FROM [Customers] AS [c]");
        }

        public override void Select_bool_constant()
        {
            base.Select_bool_constant();

            AssertSql(
                @"SELECT CASE
    WHEN [c].[CustomerID] = 'ALFKI'
    THEN CAST(1 AS BIT) ELSE CAST(0 AS BIT)
END
FROM [Customers] AS [c]");
        }
#endif

        public override void Anonymous_projection_AsNoTracking_Selector()
        {
            base.Anonymous_projection_AsNoTracking_Selector();

            AssertSql(
                @"SELECT [o].[CustomerID] AS [A], [o].[OrderDate] AS [B]
FROM [Orders] AS [o]");
        }

    }
}