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encapsulate order by

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This commit is contained in:
Luke Pulverenti 2016-06-14 22:15:51 -04:00
parent 50b6d8b8ba
commit 2f39ad1673
1 changed files with 45 additions and 28 deletions
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73
MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
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@ -1694,6 +1694,33 @@ namespace MediaBrowser.Server.Implementations.Persistence
return " left join UserDataDb.UserData on (select UserDataKey from UserDataKeys where ItemId=Guid order by Priority LIMIT 1)=UserDataDb.UserData.Key"; return " left join UserDataDb.UserData on (select UserDataKey from UserDataKeys where ItemId=Guid order by Priority LIMIT 1)=UserDataDb.UserData.Key";
} }
private string GetGroupBy(InternalItemsQuery query)
{
var groups = new List<string>();
if (!string.IsNullOrWhiteSpace(query.GroupByAncestorOfType))
{
groups.Add("(Select PresentationUniqueKey from TypedBaseItems B where B.Type = 'MediaBrowser.Controller.Entities.TV.Series' And B.Guid in (Select AncestorId from AncestorIds where ItemId=A.Guid))");
}
if (EnableGroupByPresentationUniqueKey(query))
{
groups.Add("PresentationUniqueKey");
}
if (groups.Count > 0)
{
return " Group by " + string.Join(",", groups.ToArray());
}
return string.Empty;
}
private string GetFromText()
{
return " from TypedBaseItems A";
}
public IEnumerable<BaseItem> GetItemList(InternalItemsQuery query) public IEnumerable<BaseItem> GetItemList(InternalItemsQuery query)
{ {
if (query == null) if (query == null)
@ -1707,7 +1734,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
using (var cmd = _connection.CreateCommand()) using (var cmd = _connection.CreateCommand())
{ {
cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, _retriveItemColumns, cmd)) + " from TypedBaseItems"; cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, _retriveItemColumns, cmd)) + GetFromText();
cmd.CommandText += GetJoinUserDataText(query); cmd.CommandText += GetJoinUserDataText(query);
if (EnableJoinUserData(query)) if (EnableJoinUserData(query))
@ -1723,10 +1750,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
cmd.CommandText += whereText; cmd.CommandText += whereText;
if (EnableGroupByPresentationUniqueKey(query)) cmd.CommandText += GetGroupBy(query);
{
cmd.CommandText += " Group by PresentationUniqueKey";
}
cmd.CommandText += GetOrderByText(query); cmd.CommandText += GetOrderByText(query);
@ -1797,7 +1821,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
using (var cmd = _connection.CreateCommand()) using (var cmd = _connection.CreateCommand())
{ {
cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, _retriveItemColumns, cmd)) + " from TypedBaseItems"; cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, _retriveItemColumns, cmd)) + GetFromText();
cmd.CommandText += GetJoinUserDataText(query); cmd.CommandText += GetJoinUserDataText(query);
if (EnableJoinUserData(query)) if (EnableJoinUserData(query))
@ -1817,10 +1841,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
cmd.CommandText += whereText; cmd.CommandText += whereText;
if (EnableGroupByPresentationUniqueKey(query)) cmd.CommandText += GetGroupBy(query);
{
cmd.CommandText += " Group by PresentationUniqueKey";
}
cmd.CommandText += GetOrderByText(query); cmd.CommandText += GetOrderByText(query);
@ -1838,11 +1859,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
if (EnableGroupByPresentationUniqueKey(query)) if (EnableGroupByPresentationUniqueKey(query))
{ {
cmd.CommandText += "; select count (distinct PresentationUniqueKey) from TypedBaseItems"; cmd.CommandText += "; select count (distinct PresentationUniqueKey)" + GetFromText();
} }
else else
{ {
cmd.CommandText += "; select count (guid) from TypedBaseItems"; cmd.CommandText += "; select count (guid)" + GetFromText();
} }
cmd.CommandText += GetJoinUserDataText(query); cmd.CommandText += GetJoinUserDataText(query);
@ -1994,7 +2015,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
using (var cmd = _connection.CreateCommand()) using (var cmd = _connection.CreateCommand())
{ {
cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, new[] { "guid" }, cmd)) + " from TypedBaseItems"; cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, new[] { "guid" }, cmd)) + GetFromText();
cmd.CommandText += GetJoinUserDataText(query); cmd.CommandText += GetJoinUserDataText(query);
if (EnableJoinUserData(query)) if (EnableJoinUserData(query))
@ -2010,10 +2031,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
cmd.CommandText += whereText; cmd.CommandText += whereText;
if (EnableGroupByPresentationUniqueKey(query)) cmd.CommandText += GetGroupBy(query);
{
cmd.CommandText += " Group by PresentationUniqueKey";
}
cmd.CommandText += GetOrderByText(query); cmd.CommandText += GetOrderByText(query);
@ -2070,10 +2088,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
cmd.CommandText += whereText; cmd.CommandText += whereText;
if (EnableGroupByPresentationUniqueKey(query)) cmd.CommandText += GetGroupBy(query);
{
cmd.CommandText += " Group by PresentationUniqueKey";
}
cmd.CommandText += GetOrderByText(query); cmd.CommandText += GetOrderByText(query);
@ -2137,7 +2152,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
using (var cmd = _connection.CreateCommand()) using (var cmd = _connection.CreateCommand())
{ {
cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, new[] { "guid" }, cmd)) + " from TypedBaseItems"; cmd.CommandText = "select " + string.Join(",", GetFinalColumnsToSelect(query, new[] { "guid" }, cmd)) + GetFromText();
var whereClauses = GetWhereClauses(query, cmd); var whereClauses = GetWhereClauses(query, cmd);
cmd.CommandText += GetJoinUserDataText(query); cmd.CommandText += GetJoinUserDataText(query);
@ -2153,10 +2168,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
cmd.CommandText += whereText; cmd.CommandText += whereText;
if (EnableGroupByPresentationUniqueKey(query)) cmd.CommandText += GetGroupBy(query);
{
cmd.CommandText += " Group by PresentationUniqueKey";
}
cmd.CommandText += GetOrderByText(query); cmd.CommandText += GetOrderByText(query);
@ -2174,11 +2186,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
if (EnableGroupByPresentationUniqueKey(query)) if (EnableGroupByPresentationUniqueKey(query))
{ {
cmd.CommandText += "; select count (distinct PresentationUniqueKey) from TypedBaseItems"; cmd.CommandText += "; select count (distinct PresentationUniqueKey)" + GetFromText();
} }
else else
{ {
cmd.CommandText += "; select count (guid) from TypedBaseItems"; cmd.CommandText += "; select count (guid)" + GetFromText();
} }
cmd.CommandText += GetJoinUserDataText(query); cmd.CommandText += GetJoinUserDataText(query);
@ -2370,6 +2382,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
whereClauses.Add("ParentIndexNumber=@ParentIndexNumber"); whereClauses.Add("ParentIndexNumber=@ParentIndexNumber");
cmd.Parameters.Add(cmd, "@ParentIndexNumber", DbType.Int32).Value = query.ParentIndexNumber.Value; cmd.Parameters.Add(cmd, "@ParentIndexNumber", DbType.Int32).Value = query.ParentIndexNumber.Value;
} }
if (query.ParentIndexNumberNotEquals.HasValue)
{
whereClauses.Add("(ParentIndexNumber<>@ParentIndexNumber or ParentIndexNumber is null)");
cmd.Parameters.Add(cmd, "@ParentIndexNumber", DbType.Int32).Value = query.ParentIndexNumberNotEquals.Value;
}
if (query.MinEndDate.HasValue) if (query.MinEndDate.HasValue)
{ {
whereClauses.Add("EndDate>=@MinEndDate"); whereClauses.Add("EndDate>=@MinEndDate");