smiklosovic commented on code in PR #3348:
URL: https://github.com/apache/cassandra/pull/3348#discussion_r1627326048
##########
src/java/org/apache/cassandra/cql3/restrictions/SimpleRestriction.java:
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@@ -229,18 +231,42 @@ private List<ClusteringElements>
bindAndGetClusteringElements(QueryOptions optio
{
case SINGLE_COLUMN:
case TOKEN:
- return bindAndGet(options).stream()
- .map(b ->
ClusteringElements.of(columnsExpression.columnSpecification(), b))
- .collect(Collectors.toList());
+ return bindAndGetSingleTermClusteringElements(options);
case MULTI_COLUMN:
- return bindAndGetElements(options).stream()
- .map(buffers ->
ClusteringElements.of(columnsExpression.columns(), buffers))
-
.collect(Collectors.toList());
+ return bindAndGetMultiTermClusteringElements(options);
default:
throw new UnsupportedOperationException();
}
}
+ private List<ClusteringElements>
bindAndGetSingleTermClusteringElements(QueryOptions options)
+ {
+ List<ByteBuffer> values = bindAndGet(options);
+ if (!values.isEmpty()) {
+ List<ClusteringElements> elements = new ArrayList<>();
+ for (ByteBuffer value : values) {
+ ClusteringElements byteBuffers =
ClusteringElements.of(columnsExpression.columnSpecification(), value);
+ elements.add(byteBuffers);
+ }
+ return elements;
Review Comment:
@samueldlightfoot just wrap `elements` in
`Collections.unmodifiableList(elements)` if you need it to be unmodifiable
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