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Minor performance improvements to item saving

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This commit is contained in:
Bond_009 2020-09-09 13:38:27 +02:00
parent 46c8a6c1e8
commit 48e1cf9fd7
5 changed files with 78 additions and 56 deletions
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13
Emby.Server.Implementations/Data/BaseSqliteRepository.cs
View File

@ -143,8 +143,17 @@ namespace Emby.Server.Implementations.Data
public IStatement PrepareStatement(IDatabaseConnection connection, string sql)
=> connection.PrepareStatement(sql);
public IEnumerable<IStatement> PrepareAll(IDatabaseConnection connection, IEnumerable<string> sql)
=> sql.Select(connection.PrepareStatement);
public IStatement[] PrepareAll(IDatabaseConnection connection, IReadOnlyList<string> sql)
{
int len = sql.Count;
IStatement[] statements = new IStatement[len];
for (int i = 0; i < len; i++)
{
statements[i] = connection.PrepareStatement(sql[i]);
}
return statements;
}
protected bool TableExists(ManagedConnection connection, string name)
{

75
Emby.Server.Implementations/Data/SqliteItemRepository.cs
View File

@ -560,7 +560,7 @@ namespace Emby.Server.Implementations.Data
{
SaveItemCommandText,
"delete from AncestorIds where ItemId=@ItemId"
}).ToList();
});
using (var saveItemStatement = statements[0])
using (var deleteAncestorsStatement = statements[1])
@ -2925,7 +2925,7 @@ namespace Emby.Server.Implementations.Data
{
connection.RunInTransaction(db =>
{
var statements = PrepareAll(db, statementTexts).ToList();
var statements = PrepareAll(db, statementTexts);
if (!isReturningZeroItems)
{
@ -3329,7 +3329,7 @@ namespace Emby.Server.Implementations.Data
{
connection.RunInTransaction(db =>
{
var statements = PrepareAll(db, statementTexts).ToList();
var statements = PrepareAll(db, statementTexts);
if (!isReturningZeroItems)
{
@ -3718,26 +3718,31 @@ namespace Emby.Server.Implementations.Data
statement?.TryBind("@MaxPremiereDate", query.MaxPremiereDate.Value);
}
StringBuilder clauseBuilder = new StringBuilder();
const string Or = " OR ";
var trailerTypes = query.TrailerTypes;
int trailerTypesLen = trailerTypes.Length;
if (trailerTypesLen > 0)
{
const string Or = " OR ";
StringBuilder clause = new StringBuilder("(", trailerTypesLen * 32);
clauseBuilder.Append('(');
for (int i = 0; i < trailerTypesLen; i++)
{
var paramName = "@TrailerTypes" + i;
clause.Append("TrailerTypes like ")
clauseBuilder.Append("TrailerTypes like ")
.Append(paramName)
.Append(Or);
statement?.TryBind(paramName, "%" + trailerTypes[i] + "%");
}
// Remove last " OR "
clause.Length -= Or.Length;
clause.Append(')');
clauseBuilder.Length -= Or.Length;
clauseBuilder.Append(')');
whereClauses.Add(clause.ToString());
whereClauses.Add(clauseBuilder.ToString());
clauseBuilder.Length = 0;
}
if (query.IsAiring.HasValue)
@ -3757,23 +3762,35 @@ namespace Emby.Server.Implementations.Data
}
}
if (query.PersonIds.Length > 0)
int personIdsLen = query.PersonIds.Length;
if (personIdsLen > 0)
{
// TODO: Should this query with CleanName ?
var clauses = new List<string>();
var index = 0;
foreach (var personId in query.PersonIds)
{
var paramName = "@PersonId" + index;
clauseBuilder.Append('(');
clauses.Add("(guid in (select itemid from People where Name = (select Name from TypedBaseItems where guid=" + paramName + ")))");
statement?.TryBind(paramName, personId.ToByteArray());
index++;
Span<byte> idBytes = stackalloc byte[16];
for (int i = 0; i < personIdsLen; i++)
{
string paramName = "@PersonId" + i;
clauseBuilder.Append("(guid in (select itemid from People where Name = (select Name from TypedBaseItems where guid=")
.Append(paramName)
.Append("))) OR ");
if (statement != null)
{
query.PersonIds[i].TryWriteBytes(idBytes);
statement.TryBind(paramName, idBytes);
}
}
var clause = "(" + string.Join(" OR ", clauses) + ")";
whereClauses.Add(clause);
// Remove last " OR "
clauseBuilder.Length -= Or.Length;
clauseBuilder.Append(')');
whereClauses.Add(clauseBuilder.ToString());
clauseBuilder.Length = 0;
}
if (!string.IsNullOrWhiteSpace(query.Person))
@ -5149,7 +5166,8 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
CheckDisposed();
var itemIdBlob = itemId.ToByteArray();
Span<byte> itemIdBlob = stackalloc byte[16]
itemId.TryWriteBytes(itemIdBlob);
// First delete
deleteAncestorsStatement.Reset();
@ -5165,17 +5183,15 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
for (var i = 0; i < ancestorIds.Count; i++)
{
if (i > 0)
{
insertText.Append(',');
}
insertText.AppendFormat(
CultureInfo.InvariantCulture,
"(@ItemId, @AncestorId{0}, @AncestorIdText{0})",
"(@ItemId, @AncestorId{0}, @AncestorIdText{0}),",
i.ToString(CultureInfo.InvariantCulture));
}
// Remove last ,
insertText.Length--;
using (var statement = PrepareStatement(db, insertText.ToString()))
{
statement.TryBind("@ItemId", itemIdBlob);
@ -5185,8 +5201,9 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
var index = i.ToString(CultureInfo.InvariantCulture);
var ancestorId = ancestorIds[i];
ancestorId.TryWriteBytes(itemIdBlob);
statement.TryBind("@AncestorId" + index, ancestorId.ToByteArray());
statement.TryBind("@AncestorId" + index, itemIdBlob);
statement.TryBind("@AncestorIdText" + index, ancestorId.ToString("N", CultureInfo.InvariantCulture));
}
@ -5466,7 +5483,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
connection.RunInTransaction(
db =>
{
var statements = PrepareAll(db, statementTexts).ToList();
var statements = PrepareAll(db, statementTexts);
if (!isReturningZeroItems)
{

39
Emby.Server.Implementations/Library/LibraryManager.cs
View File

@ -513,10 +513,11 @@ namespace Emby.Server.Implementations.Library
throw new ArgumentNullException(nameof(type));
}
if (key.StartsWith(_configurationManager.ApplicationPaths.ProgramDataPath, StringComparison.Ordinal))
string programDataPath = _configurationManager.ApplicationPaths.ProgramDataPath;
if (key.StartsWith(programDataPath, StringComparison.Ordinal))
{
// Try to normalize paths located underneath program-data in an attempt to make them more portable
key = key.Substring(_configurationManager.ApplicationPaths.ProgramDataPath.Length)
key = key.Substring(programDataPath.Length)
.TrimStart('/', '\\')
.Replace('/', '\\');
}
@ -871,17 +872,17 @@ namespace Emby.Server.Implementations.Library
public Guid GetStudioId(string name)
{
return GetItemByNameId<Studio>(Studio.GetPath, name);
return GetItemByNameId<Studio>(Studio.GetPath(name));
}
public Guid GetGenreId(string name)
{
return GetItemByNameId<Genre>(Genre.GetPath, name);
return GetItemByNameId<Genre>(Genre.GetPath(name));
}
public Guid GetMusicGenreId(string name)
{
return GetItemByNameId<MusicGenre>(MusicGenre.GetPath, name);
return GetItemByNameId<MusicGenre>(MusicGenre.GetPath(name));
}
/// <summary>
@ -943,7 +944,7 @@ namespace Emby.Server.Implementations.Library
{
var existing = GetItemList(new InternalItemsQuery
{
IncludeItemTypes = new[] { typeof(T).Name },
IncludeItemTypes = new[] { nameof(MusicArtist) },
Name = name,
DtoOptions = options
}).Cast<MusicArtist>()
@ -957,13 +958,11 @@ namespace Emby.Server.Implementations.Library
}
}
var id = GetItemByNameId<T>(getPathFn, name);
var path = getPathFn(name);
var id = GetItemByNameId<T>(path);
var item = GetItemById(id) as T;
if (item == null)
if (GetItemById(id) is T item)
{
var path = getPathFn(name);
item = new T
{
Name = name,
@ -974,15 +973,16 @@ namespace Emby.Server.Implementations.Library
};
CreateItem(item, null);
return item;
}
return item;
return null;
}
private Guid GetItemByNameId<T>(Func<string, string> getPathFn, string name)
private Guid GetItemByNameId<T>(string path)
where T : BaseItem, new()
{
var path = getPathFn(name);
var forceCaseInsensitiveId = _configurationManager.Configuration.EnableNormalizedItemByNameIds;
return GetNewItemIdInternal(path, typeof(T), forceCaseInsensitiveId);
}
@ -1805,21 +1805,18 @@ namespace Emby.Server.Implementations.Library
/// <param name="items">The items.</param>
/// <param name="parent">The parent item.</param>
/// <param name="cancellationToken">The cancellation token.</param>
public void CreateItems(IEnumerable<BaseItem> items, BaseItem parent, CancellationToken cancellationToken)
public void CreateItems(IReadOnlyList<BaseItem> items, BaseItem parent, CancellationToken cancellationToken)
{
// Don't iterate multiple times
var itemsList = items.ToList();
_itemRepository.SaveItems(items, cancellationToken);
_itemRepository.SaveItems(itemsList, cancellationToken);
foreach (var item in itemsList)
foreach (var item in items)
{
RegisterItem(item);
}
if (ItemAdded != null)
{
foreach (var item in itemsList)
foreach (var item in items)
{
// With the live tv guide this just creates too much noise
if (item.SourceType != SourceType.Library)

5
Emby.Server.Implementations/Security/AuthenticationRepository.cs
View File

@ -257,8 +257,7 @@ namespace Emby.Server.Implementations.Security
connection.RunInTransaction(
db =>
{
var statements = PrepareAll(db, statementTexts)
.ToList();
var statements = PrepareAll(db, statementTexts);
using (var statement = statements[0])
{
@ -282,7 +281,7 @@ namespace Emby.Server.Implementations.Security
ReadTransactionMode);
}
result.Items = list.ToArray();
result.Items = list;
return result;
}

2
MediaBrowser.Controller/Library/ILibraryManager.cs
View File

@ -200,7 +200,7 @@ namespace MediaBrowser.Controller.Library
/// <summary>
/// Creates the items.
/// </summary>
void CreateItems(IEnumerable<BaseItem> items, BaseItem parent, CancellationToken cancellationToken);
void CreateItems(IReadOnlyList<BaseItem> items, BaseItem parent, CancellationToken cancellationToken);
/// <summary>
/// Updates the item.