private static ReduceTree RenderNestedSection(NestedMapResultsSection section, List <MapEntry> mapEntries, string sourceDocId, Index index, TransactionOperationContext context)
{
var entries = new Dictionary <long, BlittableJsonReaderObject>();
var root = new ReduceTreePage(section.RelevantPage);
root.AggregationResult = GetReduceResult(mapEntries[0].ReduceKeyHash, index, context);
section.GetResultsForDebug(context, entries);
foreach (var item in entries)
{
var entry = new MapResultInLeaf
{
Data = item.Value
};
foreach (var mapEntry in mapEntries)
{
if (item.Key == mapEntry.Id)
{
entry.Source = sourceDocId;
break;
}
}
root.Entries.Add(entry);
}
return(new ReduceTree
{
DisplayName = GetTreeName(root.AggregationResult, index.Definition, context),
Name = section.Name.ToString(),
Root = root,
Depth = 1,
PageCount = 1,
NumberOfEntries = entries.Count
});
}
private static ReduceTree RenderNestedSection(NestedMapResultsSection section, ulong reduceKeyHash, Dictionary <long, string> idToDocIdHash, Index index, TransactionOperationContext context)
{
var entries = new Dictionary <long, BlittableJsonReaderObject>();
var root = new ReduceTreePage(section.RelevantPage);
root.AggregationResult = GetReduceResult(reduceKeyHash, index, context);
section.GetResultsForDebug(context, entries);
foreach (var item in entries)
{
var entry = new MapResultInLeaf
{
Data = item.Value
};
var id = Bits.SwapBytes(item.Key);
if (idToDocIdHash.TryGetValue(id, out string docId))
{
entry.Source = docId;
}
root.Entries.Add(entry);
}
return(new ReduceTree
{
DisplayName = GetTreeName(root.AggregationResult, index.Definition, context),
Name = section.Name.ToString(),
Root = root,
Depth = 1,
PageCount = 1,
NumberOfEntries = entries.Count
});
}
private static unsafe ReduceTree RenderTree(Tree tree, ulong reduceKeyHash, Dictionary <long, string> idToDocIdHash, Index index, TransactionOperationContext context)
{
var stack = new Stack <ReduceTreePage>();
var rootPage = tree.GetReadOnlyTreePage(tree.State.RootPageNumber);
var root = new ReduceTreePage(rootPage);
root.AggregationResult = GetReduceResult(reduceKeyHash, index, context);
stack.Push(root);
var table =
context.Transaction.InnerTransaction.OpenTable(
ReduceMapResultsBase <MapReduceIndexDefinition> .ReduceResultsSchema,
ReduceMapResultsBase <MapReduceIndexDefinition> .PageNumberToReduceResultTableName);
var tx = tree.Llt;
while (stack.Count > 0)
{
var node = stack.Pop();
var page = node.Page;
if (page.IsCompressed)
{
var decompressed = tree.DecompressPage(page, DecompressionUsage.Read, true);
node.DecompressedLeaf = decompressed;
page = decompressed;
}
if (page.NumberOfEntries == 0 && page != rootPage)
{
throw new InvalidOperationException($"The page {page.PageNumber} is empty");
}
for (var i = 0; i < page.NumberOfEntries; i++)
{
if (page.IsBranch)
{
var p = page.GetNode(i)->PageNumber;
var childNode = new ReduceTreePage(tree.GetReadOnlyTreePage(p));
node.Children.Add(childNode);
stack.Push(childNode);
}
else
{
var entry = new MapResultInLeaf();
var valueReader = TreeNodeHeader.Reader(tx, page.GetNode(i));
entry.Data = new BlittableJsonReaderObject(valueReader.Base, valueReader.Length, context);
using (page.GetNodeKey(tx, i, out Slice s))
{
var mapEntryId = Bits.SwapBytes(*(long *)s.Content.Ptr);
if (idToDocIdHash.TryGetValue(mapEntryId, out string docId))
{
entry.Source = docId;
}
}
node.Entries.Add(entry);
}
}
if (node != root)
{
node.AggregationResult = GetAggregationResult(node.PageNumber, table, context);
}
}
return(new ReduceTree
{
DisplayName = GetTreeName(root.AggregationResult, index.Definition, context),
Name = tree.Name.ToString(),
Root = root,
Depth = tree.State.Depth,
PageCount = tree.State.PageCount,
NumberOfEntries = tree.State.NumberOfEntries
});
}
