public void ShouldApplyLimitUsingTop()
{
var sql = "select a,b,c from d where a = 1 order by c";
var expected = new[]{ "select top 5 a,b,c from d where a = 1 order by c"};
var pagedSql = new SqlQueryPager().ApplyLimit(sql, 5);
var modified = pagedSql.Select(x => Normalize.Replace(x, " ").ToLowerInvariant());
Assert.IsTrue(expected.SequenceEqual(modified));
}
public void ShouldApplyPagingUsingOrderByFirstColumnIfNotAlreadyOrdered()
{
const string sql = "select a,b,c from d where a = 1";
const string expected =
"with __data as (select a,b,c, row_number() over(order by a) as [_#_] from d where a = 1)"
+ " select a,b,c from __data where [_#_] between @skip + 1 and @skip + @take";
var modified = new SqlQueryPager().ApplyPaging(sql, "@skip", "@take");
modified = Normalize.Replace(modified, " ").ToLowerInvariant();
Assert.AreEqual(expected, modified);
}
public void ShouldCopeWithAliasedColumns()
{
const string sql = "select [a],[b] as [foo],[c] from [d] where [a] = 1";
const string expected =
"with __data as (select [a],[b] as [foo],[c], row_number() over(order by [a]) as [_#_] from [d] where [a] = 1)"
+ " select [a],[foo],[c] from __data where [_#_] between @skip + 1 and @skip + @take";
var modified = new SqlQueryPager().ApplyPaging(sql, "@skip", "@take");
modified = Normalize.Replace(modified, " ").ToLowerInvariant();
Assert.AreEqual(expected, modified);
}
public void ShouldCopeWithAliasedColumns()
{
var sql = "select [dbo].[d].[a],[dbo].[d].[b] as [foo],[dbo].[d].[c] from [dbo].[d] where [dbo].[d].[a] = 1";
var expected =new[]{
"with __data as (select [dbo].[d].[a], row_number() over(order by [dbo].[d].[a]) as [_#_] from [dbo].[d] where [dbo].[d].[a] = 1)"
+ " select [dbo].[d].[a],[dbo].[d].[b] as [foo],[dbo].[d].[c] from __data join [dbo].[d] on [dbo].[d].[a] = __data.[a] where [dbo].[d].[a] = 1 and [_#_] between 21 and 25"};
var pagedSql = new SqlQueryPager().ApplyPaging(sql, new[]{"[dbo].[d].[a]"}, 20, 5);
var modified = pagedSql.Select(x => Normalize.Replace(x, " ").ToLowerInvariant()).ToArray();
Assert.AreEqual(expected[0], modified[0]);
}
public void ShouldApplyPagingUsingOrderByKeysIfNotAlreadyOrdered()
{
var sql = "select [dbo].[d].[a],[dbo].[d].[b],[dbo].[d].[c] from [dbo].[d] where [dbo].[d].[a] = 1";
var expected = new[]{
"with __data as (select [dbo].[d].[a], row_number() over(order by [dbo].[d].[a]) as [_#_] from [dbo].[d] where [dbo].[d].[a] = 1)"
+ " select [dbo].[d].[a],[dbo].[d].[b],[dbo].[d].[c] from __data join [dbo].[d] on [dbo].[d].[a] = __data.[a] where [dbo].[d].[a] = 1 and [_#_] between 11 and 30"};
var pagedSql = new SqlQueryPager().ApplyPaging(sql, new[] {"[dbo].[d].[a]"}, 10, 20);
var modified = pagedSql.Select(x => Normalize.Replace(x, " ").ToLowerInvariant()).ToArray();
Assert.AreEqual(expected[0], modified[0]);
}
public void ShouldCopeWithAliasedDefaultSortColumn()
{
var sql = "select [a] as [foo],[b],[c] from [d] where [a] = 1";
var expected = new[]{
"with __data as (select [a] as [foo],[b],[c], row_number() over(order by [a]) as [_#_] from [d] where [a] = 1)"
+ " select [foo],[b],[c] from __data where [_#_] between 31 and 40"};
var pagedSql = new SqlQueryPager().ApplyPaging(sql, 30, 10);
var modified = pagedSql.Select(x => Normalize.Replace(x, " ").ToLowerInvariant());
Assert.IsTrue(expected.SequenceEqual(modified));
}
public void ShouldApplyPagingUsingOrderByFirstColumnIfNotAlreadyOrdered()
{
var sql = "select a,b,c from d where a = 1";
var expected = new[]{
"with __data as (select a,b,c, row_number() over(order by a) as [_#_] from d where a = 1)"
+ " select a,b,c from __data where [_#_] between 11 and 30"};
var pagedSql = new SqlQueryPager().ApplyPaging(sql, 10, 20);
var modified = pagedSql.Select(x => Normalize.Replace(x, " ").ToLowerInvariant());
Assert.IsTrue(expected.SequenceEqual(modified));
}
public void InitDataBase(string connectionString)
{
var ado = new AdoAdapter();
var sql = new SqlQueryPager();
var db = Database.OpenConnection(connectionString);
var prowinceDictionary = new Dictionary<int, int>();
using (var connection = new SqlConnection(connectionString))
{
connection.Open();
using (var command = new SqlCommand(Const.DBCreateScript, connection))
{
command.ExecuteNonQuery();
}
}
foreach (var province in TestData.ProvinceData.GetProvinces())
{
db.Province.Insert(new { Name = province.Name, Code = province.Code });
}
var provinces = db.Province.All().ToList();
foreach (var province in provinces)
{
prowinceDictionary.Add(province.Code, province.Id);
}
Bulk.BulkUploadToSql bulk =
Bulk.BulkUploadToSql.Load(
TestData.HomeData.GetHomes()
.Select(
i =>
new Bulk.Home
{
AddTime = DateTime.Now,
BuildYear = i.BuildYear,
City = i.City,
Description = i.Description,
Price = i.Price,
Surface = i.Surface,
ProvinceId = prowinceDictionary[i.HomeProvince.Code],
}), "Home", 10000, connectionString);
bulk.Flush();
}
public void ShouldExcludeLeftJoinedTablesFromSubSelect()
{
const string sql = @"SELECT [dbo].[MainClass].[ID],
[dbo].[MainClass].[SomeProperty],
[dbo].[MainClass].[SomeProperty2],
[dbo].[MainClass].[SomeProperty3],
[dbo].[MainClass].[SomeProperty4],
[dbo].[ChildClass].[ID] AS [__withn__ChildClass__ID],
[dbo].[ChildClass].[SomeProperty] AS [__withn__ChildClass__SomeProperty],
[dbo].[ChildClass].[SomeProperty2] AS [__withn__ChildClass__SomeProperty2] FROM [dbo].[MainClass] LEFT JOIN [dbo].[JoinTable] ON ([dbo].[MainClass].[ID] = [dbo].[JoinTable].[MainClassID]) LEFT JOIN [dbo].[ChildClass] ON ([dbo].[ChildClass].[ID] = [dbo].[JoinTable].[ChildClassID]) WHERE ([dbo].[MainClass].[SomeProperty] > @p1 AND [dbo].[MainClass].[SomeProperty] <= @p2)";
const string expected = @"with __data as (select [dbo].[promoposts].[id], row_number() over(order by [dbo].[promoposts].[id]) as [_#_] from [dbo].[mainclass] where ([dbo].[mainclass].[someproperty] > @p1 and [dbo].[mainclass].[someproperty] <= @p2)) select [dbo].[mainclass].[id], [dbo].[mainclass].[someproperty], [dbo].[mainclass].[someproperty2], [dbo].[mainclass].[someproperty3], [dbo].[mainclass].[someproperty4], [dbo].[childclass].[id] as [__withn__childclass__id], [dbo].[childclass].[someproperty] as [__withn__childclass__someproperty], [dbo].[childclass].[someproperty2] as [__withn__childclass__someproperty2] from __data join [dbo].[promoposts] on [dbo].[promoposts].[id] = __data.[id]from [dbo].[mainclass] left join [dbo].[jointable] on ([dbo].[mainclass].[id] = [dbo].[jointable].[mainclassid]) left join [dbo].[childclass] on ([dbo].[childclass].[id] = [dbo].[jointable].[childclassid]) where ([dbo].[mainclass].[someproperty] > @p1 and [dbo].[mainclass].[someproperty] <= @p2) and [_#_] between 1 and 25";
var pagedSql = new SqlQueryPager().ApplyPaging(sql, new[] {"[dbo].[PromoPosts].[Id]"}, 0, 25).Single();
var modified = Normalize.Replace(pagedSql, " ").ToLowerInvariant();
Assert.AreEqual(expected, modified);
}
public void ShouldCopeWithColumnsThatEndInFrom()
{
const string sql = @"SELECT [dbo].[PromoPosts].[Id],[dbo].[PromoPosts].[ActiveFrom],[dbo].[PromoPosts].[ActiveTo],[dbo].[PromoPosts].[Created],[dbo].[PromoPosts].[Updated]
from [dbo].[PromoPosts]
ORDER BY [dbo].[PromoPosts].[ActiveFrom]";
var expected = @"with __data as (select [dbo].[promoposts].[id], row_number() over(order by [dbo].[promoposts].[activefrom]) as [_#_] from [dbo].[promoposts]) select [dbo].[promoposts].[id],[dbo].[promoposts].[activefrom],[dbo].[promoposts].[activeto],[dbo].[promoposts].[created],[dbo].[promoposts].[updated] from __data join [dbo].[promoposts] on [dbo].[promoposts].[id] = __data.[id] and [_#_] between 1 and 25";
expected = expected.ToLowerInvariant();
var pagedSql = new SqlQueryPager().ApplyPaging(sql, new[] {"[dbo].[PromoPosts].[Id]"}, 0, 25).Single();
var modified = Normalize.Replace(pagedSql, " ").ToLowerInvariant();
Assert.AreEqual(expected, modified);
}