maedhroz commented on code in PR #3649:
URL: https://github.com/apache/cassandra/pull/3649#discussion_r1833645393
##########
src/java/org/apache/cassandra/index/sai/plan/StorageAttachedIndexSearcher.java:
##########
@@ -400,36 +430,56 @@ private UnfilteredRowIterator applyIndexFilter(PrimaryKey
key, UnfilteredRowIter
{
queryContext.rowsFiltered++;
- if (tree.isSatisfiedBy(partition.partitionKey(), (Row)
unfiltered, staticRow))
+ if (tree.isSatisfiedBy(partitionKey, (Row) unfiltered,
staticRow))
{
- matchingRows.add(unfiltered);
+ matches.add(unfiltered);
hasMatch = true;
+
+ if (topK)
+ {
+ PrimaryKey shadowed =
keyFactory.hasClusteringColumns()
+ ?
keyFactory.create(partitionKey, ((Row) unfiltered).clustering())
+ :
keyFactory.create(partitionKey);
+ keysToShadow.remove(shadowed);
+ }
}
}
}
+ // If any non-static rows match the filter, there should be no
need to shadow the static primary key:
+ if (topK && hasMatch && keyFactory.hasClusteringColumns())
+ keysToShadow.remove(keyFactory.create(partitionKey,
Clustering.STATIC_CLUSTERING));
+
+ // We may not have any non-static row data to filter...
if (!hasMatch)
{
queryContext.rowsFiltered++;
- if (tree.isSatisfiedBy(key.partitionKey(), staticRow,
staticRow))
+ if (tree.isSatisfiedBy(partitionKey, staticRow, staticRow))
+ {
hasMatch = true;
+
+ if (topK)
+ keysToShadow.remove(keyFactory.create(partitionKey,
staticRow.clustering()));
Review Comment:
I think you're right...changing...
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