protected ColumnNameBuilder makeIndexColumnNameBuilder(ByteBuffer rowKey, ByteBuffer columnName) {
int ckCount = baseCfs.metadata.clusteringKeyColumns().size();
CompositeType baseComparator = (CompositeType) baseCfs.getComparator();
ByteBuffer[] components = baseComparator.split(columnName);
CompositeType.Builder builder = getIndexComparator().builder();
builder.add(rowKey);
for (int i = 0; i < ckCount; i++) builder.add(components[i]);
return builder;
}
public static CompositeType buildIndexComparator(
CFMetaData baseMetadata, ColumnDefinition columnDef) {
int ckCount = baseMetadata.clusteringKeyColumns().size();
List<AbstractType<?>> types = new ArrayList<AbstractType<?>>(ckCount + 1);
types.add(SecondaryIndex.keyComparator);
types.addAll(baseMetadata.comparator.getComponents());
return CompositeType.getInstance(types);
}
protected ByteBuffer getIndexedValue(ByteBuffer rowKey, Column column) {
CompositeType keyComparator = (CompositeType) baseCfs.metadata.getKeyValidator();
ByteBuffer[] components = keyComparator.split(rowKey);
return components[columnDef.componentIndex];
}