maedhroz commented on code in PR #4561:
URL: https://github.com/apache/cassandra/pull/4561#discussion_r2829945755
##########
src/java/org/apache/cassandra/index/sai/utils/IndexTermType.java:
##########
@@ -453,10 +459,80 @@ public Iterator<ByteBuffer> valuesOf(Row row, long
nowInSecs)
}
}
+ public Iterator<ByteBuffer> valuesOfFrozenCollection(Row row, long
nowInSecs)
+ {
+ if (row == null)
+ return null;
+
+ ByteBuffer buffer;
+
+ if (columnMetadata.kind == ColumnMetadata.Kind.CLUSTERING)
+ buffer = row.clustering().bufferAt(columnMetadata.position());
+ else
+ {
+ Cell<?> cell = row.getCell(columnMetadata);
+ if (cell == null || !cell.isLive(nowInSecs))
+ return null;
+ buffer = cell.buffer();
+ }
+
+ if (buffer == null || buffer.remaining() == 0)
+ return null;
+
+ CollectionType<?> collectionType = (CollectionType<?>)
columnMetadata.type.unwrap();
+ CollectionSerializer<?> serializer = collectionType.getSerializer();
+ List<ByteBuffer> elements = serializer.unpack(buffer);
+
+ switch (collectionType.kind)
+ {
+ case LIST:
+ case SET:
+ break;
+ case MAP:
+ elements = extractMapElements(elements);
+ break;
+ default:
+ throw new IllegalArgumentException("Unsupported type of
collection - " + collectionType.kind);
+ }
+
+ if (isInetAddress())
+ elements.sort((c1, c2) -> compareInet(encodeInetAddress(c1),
encodeInetAddress(c2)));
+
+ return elements.iterator();
+ }
+
+ private List<ByteBuffer> extractMapElements(List<ByteBuffer> elements)
+ {
+ List<ByteBuffer> result = new ArrayList<>();
Review Comment:
```suggestion
List<ByteBuffer> result = new ArrayList<>(elements.size());
```
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